3,4-DIHYDROXYBENZOIC ACID

protocatechuic acid

99-50-3

Protocatehuic acid

4-Carboxy-1,2-dihydroxybenzene

protocatechuate

4,5-Dihydroxybenzoic acid

Benzoic acid, 3,4-dihydroxy-

3,4-dihydroxybenzoate

CCRIS 6291

protocatechuicacid

EINECS 202-760-0

UNII-36R5QJ8L4B

MFCD00002509

NSC 16631

BRN 1448841

36R5QJ8L4B

DTXSID4021212

CHEBI:36062

PROTOCATECHOIC ACID

NSC-16631

Catechol-4-carboxylic Acid

3, 4-Dihydroxybenzoic acid

CHEMBL37537

MLS000737807

DTXCID601212

FEMA NO. 4430

PROTOCATECHUIC ACID (PCA)

DIHYDROXYBENZOIC ACID, 3,4-

1ykp

DROXIDOPA METABOLITE (PROTOCATECHOIC ACID)

3,4-Dihydroxy Benzoic Acid

NSC16631

DB03946

SMR000528167

C00230

D-3487

Hypogallic acid

b-Resorcylate

beta-Resorcylate

ProtocatechicAcid

b-resorcylic acid

4fht

Protacatechuic Acid

ZINCSELENITE

Carbohydroquinonic acid

cid_72

Protocatechuic Acid,(S)

Protocatechuic acid (M1)

bmse000328

3,4-dihydroxy-benzoic acid

3,4-dihydroxybenzoic acid (protocatechuic acid)

SCHEMBL39435

3,4-Dihydroxybenzoate, VIII

Pyrocatechol-4-carboxylic Acid

PROTOCATECHUIC ACID [MI]

HMS2270A17

KUC104409N

HY-N0294

Tox21_200167

BBL012232

BDBM50100861

s3975

STL163570

AKOS000119632

AC-9617

CCG-207950

CS-6092

KSC-10-128

MCULE-8964889860

CAS-99-50-3

NCGC00246757-01

NCGC00246757-02

NCGC00257721-01

3,4-DIHYDROXYBENZOIC ACID [INCI]

AS-10808

SY014104

DB-021903

AM20060767

NS00014667

3,4-Dihydroxybenzoic acid, >=97.0% (T)

EN300-21544

3,4-Dihydroxybenzoic acid, analytical standard

F11285

3,4-dihydroxybenzoate;3,4-Dihydroxybenzoic acid

A846038

AE-562/40524392

Q418599

976C8CCE-B25D-4E0A-9A6F-3CEEA7A6964F

Z104501142

3,4-Dihydroxybenzoic acid, Vetec(TM) reagent grade, 97%

PROTOCATECHOIC ACID (CONSTITUENT OF MARITIME PINE)

Protocatechuic acid, primary pharmaceutical reference standard

PROTOCATECHOIC ACID (CONSTITUENT OF MARITIME PINE) [DSC]

Protocatechuic acid, United States Pharmacopeia (USP) Reference Standard

InChI=1/C7H6O4/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,8-9H,(H,10,11

1225528-47-1

4-hydroxybenzyl alcohol

623-05-2

4-(Hydroxymethyl)phenol

p-Hydroxybenzyl alcohol

p-Methylolphenol

4-Methylolphenol

4-Hydroxybenzenemethanol

Benzenemethanol, 4-hydroxy-

4-Hydroxybenzylalcohol

p-(Hydroxymethyl)phenol

Benzyl alcohol, p-hydroxy-

Gastrodigenin

alpha-Hydroxy-p-cresol

MFCD00004658

Parahydroxybenzyl Alcohol

.alpha.-Hydroxy-p-cresol

1A3AH1FP1B

CHEMBL202132

CHEBI:67410

NSC-227926

4-Hydroxymethyl-phenol

CCRIS 5114

p-hydroxy benzyl alcohol

EINECS 210-768-0

(4-Hydroxyphenyl)methanol

UNII-1A3AH1FP1B

NSC 227926

a-hydroxy-p-cresol

4-hydroxymethylphenol

p-Hydroxybenzyl alcoho

4-hydroxymethyl phenol

4-hydroxybenzyl-alcohol

4-Hydroxy-benzylalcohol

4-Hydroxyphenyl methanol

p-hydroxy-Benzyl alcohol

4-Hydroxyphenyl Carbinol

4-hydroxy benzyl alcohol

4-hydroxy-benzyl alcohol

4HBA

B4-hydroxy-enzenemethanol

para-hydroxybenzyl alcohol

4-hydroxyl-benzyl alcohol

bmse000623

bmse010028

EC 210-768-0

SCHEMBL62690

4-Hydroxybenzyl alcohol, 99%

DTXSID8073920

FEMA NO. 3987

HMS3885O08

BCP27109

Benzyl alcohol, p-hydroxy- (8CI)

HY-Y0892

STR00674

HYDROXYBENZYL ALCOHOL [INCI]

BDBM50177408

Benzenemethanol, 4-hydroxy- (9CI)

NSC227926

s3857

STL284640

AKOS000121529

4-HYDROXYBENZYL ALCOHOL [FHFI]

4-Hydroxybenzyl alcohol, >=98%, FG

CCG-266090

CS-W019891

MCULE-8377025602

PS-3494

AC-24727

SY003753

4-(hydroxymethyl)phenol (ACD/Name 4.0)

DB-003490

4-Hydroxybenzyl alcohol, analytical standard

AM20050567

H0224

NS00005609

EN300-21091

A15709

C17467

C93495

Q-200481

Q5526828

F0001-1668

Z104490108

4-(Hydroxymethyl)phenol;p-Hydroxybenzyl alcohol;p-Methylolphenol

InChI=1/C7H8O2/c8-5-6-1-3-7(9)4-2-6/h1-4,8-9H,5H

4-hydroxybenzaldehyde

p-Hydroxybenzaldehyde

123-08-0

4-Formylphenol

p-Formylphenol

Benzaldehyde, 4-hydroxy-

p-Oxybenzaldehyde

Parahydroxybenzaldehyde

4-Hydroxy benzaldehyde

Benzaldehyde, p-hydroxy-

4-HYDROXY-BENZALDEHYDE

USAF M-6

MFCD00006939

NSC 2127

p-Hydroxy-benzaldehyde

Para-Hydroxybenzaldehyde

4-Hydroxybenzenecarbonal

4-Hydroxybenzaldehyde-d5

CHEMBL14193

65581-83-1

CHEBI:17597

NSC-2127

O1738X3Y38

4-formyl phenol

EINECS 204-599-1

BRN 0471352

AI3-15366

CCRIS 8911

PARA-HYDROXY BENZALDEHYDE

4-formyl-phenol

UNII-O1738X3Y38

4hydroxybenzaldehyde

p-hydroxibezaldehyde

p-hydroxybenzaldehye

4-Hydroxybenzaldehyde; Bisoprolol Fumarate Imp. S (EP); Bisoprolol Imp. S (EP); Bisoprolol Fumarate Impurity S; Bisoprolol Impurity S

4-hydoxybenzaldehyde

4-hydroxybenzaldehyd

4-hydroxybezaldehyde

4-Hydroxybenzaldehye

4-hydroxibenzaldehyde

4-hydroxylbenzaldehyde

p-hydroxy benzaldehyde

4--hydroxybenzaldehyde

p-hydroxyl benzaldehyde

4-hydroxyl benzaldehyde

4-hydroxy- benzaldehyde

PYRILAMINE_met038

WLN: VHR DQ

bmse000259

bmse000582

bmse010005

SCHEMBL37193

4-Hydroxybenzaldehyde, 98%

4-08-00-00251 (Beilstein Handbook Reference)

BIDD:ER0339

p-Hydroxybenzaldehyde, Pract.

4-Hydroxybenzaldehyde, >=97%

DTXSID8059552

FEMA NO. 3984

HYDROXYBENZALDEHYDE [INCI]

NSC2127

1k03

P-HYDROXYBENZALDEHYDE [MI]

BCP26952

CS-D1179

HY-Y0313

STR00705

4-HYDROXYBENZALDEHYDE [FHFI]

4-Hydroxybenzaldehyde, >=97%, FG

BDBM50177411

BR1235

s6008

STK188428

AKOS000119184

AC-2984

AM10667

DB03560

MCULE-3788300475

PS-3635

NCGC00188243-01

NCGC00188243-02

4-Hydroxybenzaldehyde, analytical standard

BP-30158

SY003489

4-Hydroxybenzaldehyde, >=95.0% (HPLC)

DB-003763

H0198

NS00014566

EN300-18030

A15180

C00633

H-3800

AB-131/40191192

BISOPROLOL FUMARATE IMPURITY S [EP IMPURITY]

Q1953888

4-Hydroxybenzaldehyde, Vetec(TM) reagent grade, 95%

Z57127520

F2190-0635

InChI=1/C7H6O2/c8-5-6-1-3-7(9)4-2-6/h1-5,9

p-Hydroxybenzaldehyde;4-Formylphenol;p-Formylphenol;Bisoprolol Fumarate EP Impurity S

4-hydroxyphenylacetic acid

156-38-7

2-(4-hydroxyphenyl)acetic acid

p-hydroxyphenylacetic acid

(4-Hydroxyphenyl)acetic acid

benzeneacetic acid, 4-hydroxy-

4-Hydroxybenzeneacetic acid

4-hydroxyphenylacetate

(p-Hydroxyphenyl)acetic acid

Parahydroxy phenylacetic acid

4-Carboxymethylphenol

Acetic acid, (p-hydroxyphenyl)-

p-hydroxyphenylacetate

MFCD00004347

Parahydroxy phenylacetate

3J9SHG0RCN

p-Hydroxyphenyl acetic acid

4-hydroxyphenyl-acetic acid

4-Hydroxyphenylaceticacid

CHEMBL1772

(4-hydroxy-phenyl)-acetic acid

CHEBI:18101

NSC-25066

NSC-27460

4-hydroxybenzeneacetate

4HP

(p-hydroxyphenyl)acetate

2-[4-(hydroxy)phenyl)acetic acid

4-HPA

4-Hydroxyphenyl acetic acid

2-(4-(HYDROXY)PHENYL)ACETIC ACID

4-(Carboxymethyl)phenol

EINECS 205-851-3

UNII-3J9SHG0RCN

NSC 25066

BRN 1448766

4-hydroxy phenyl acetic acid

AI3-17755

3pcg

HPAA

Parahydroxyphenylacetate

1ai6

4-Hydroxy-Benzeneacetate

4-hydroxyphenyacetic acid

4-hydroxyphenylactic acid

4-hyroxyphenylacetic acid

(p-hydroxyphenyl)-Acetate

ChemDiv3_005483

bmse000455

4- hydroxyphenylacetic acid

4-hydroxy-phenylacetic acid

4-hydroxyphenylethanoic acid

(4-hydroxy-phenyl)-acetate

p-hydroxy phenyl acetic acid

4-Hydroxy-Benzeneacetic acid

4-Hydroxybenzene acetic acid

SCHEMBL75700

4-hydroxy-phenyl acetic acid

4-10-00-00543 (Beilstein Handbook Reference)

MLS001066398

(p-hydroxyphenyl)-Acetic acid

(4-hydroxyphenyl) acetic acid

(4-hydroxyphenyl)-acetic acid

(4-hydroxyphenyl)ethanoic acid

Acetic acid, 4-hydroxyphenyl-

(4-Hydroxy-phenyl)-essigsaeure

4-Hydroxyphenylacetic Acid,(S)

DTXSID5059745

4-Hydroxyphenylacetic acid, 98%

HMS1488J05

HMS2760I07

CS-D1503

HY-N1902

NSC25066

NSC27460

AC7824

BBL027456

BDBM50339586

s4863

STL377918

AKOS000277614

AM84511

CCG-266227

MCULE-7254180433

PS-5568

IDI1_023393

AC-10104

SMR000020068

SY004128

DB-043314

EU-0016214

H0290

NS00006155

EN300-18714

C00642

H-7100

A809742

AM-814/41090691

Q4637160

Z89269462

2-(4-Hydroxyphenyl)acetic acidP-hydroxybenzeneacetic acid

4-Hydroxyphenylacetic acid, Vetec(TM) reagent grade, 98%

B977C251-72C6-4D13-AD85-937DCA3E6AF2

InChI=1/C8H8O3/c9-7-3-1-6(2-4-7)5-8(10)11/h1-4,9H,5H2,(H,10,11

4-HYDROXYBENZOIC ACID

99-96-7

p-Hydroxybenzoic acid

4-Carboxyphenol

p-Salicylic acid

Benzoic acid, 4-hydroxy-

para-Hydroxybenzoic acid

Benzoic acid, p-hydroxy-

p-carboxyphenol

Paraben-acid

4-Hydroxybenzoesaeure

p-Oxybenzoesaure

Kyselina 4-hydroxybenzoova

p-Oxybenzoesaure [German]

4-Hydroxybenzoicacid

NSC 4961

PHBA

parahydroxybenzoic acid

Acido p-idrossibenzoico

4-hydroxy-benzoic acid

Hydroxybenzoic acid

HSDB 7233

Acido p-idrossibenzoico [Italian]

Kyselina 4-hydroxybenzoova [Czech]

EINECS 202-804-9

UNII-JG8Z55Y12H

CCRIS 8812

JG8Z55Y12H

DTXSID3026647

CHEBI:30763

HYDROXYBENZOIC ACID, PARA

p-hydroxy benzoic acid

AI3-01003

p-hydroxy-Benzoic acid

NSC-4961

Benzoic acid, 4-hydroxy

Hydroxybenzenecarboxylic acid

4-HBA

CHEMBL441343

DTXCID806647

FEMA NO. 3986

EC 202-804-9

MFCD00002547

3pcc

3pch

4-hydroxy-benzoate

4-hydroxy benzoic acid

Benzoic acid, p-hydroxy

WLN: QVR DQ

PHB

CAS-99-96-7

NSC4961

SALICYLIC ACID IMPURITY A (EP IMPURITY)

SALICYLIC ACID IMPURITY A [EP IMPURITY]

DB04242

NCGC00166040-01

ACETYLSALICYLIC ACID IMPURITY A (EP IMPURITY)

ACETYLSALICYLIC ACID IMPURITY A [EP IMPURITY]

PROPYL HYDROXYBENZOATE IMPURITY A (EP IMPURITY)

PROPYL HYDROXYBENZOATE IMPURITY A [EP IMPURITY]

METHYL PARAHYDROXYBENZOATE IMPURITY A (EP IMPURITY)

METHYL PARAHYDROXYBENZOATE IMPURITY A [EP IMPURITY]

C00156

p-Salicylate

AE-848/32195059

p-hydroxy-Benzoate

4-hydoxybenzoic acid

4-hyroxybenzoic acid

phenol derivative, 8

4-hydroxylbenzoic acid

4-Hydroxy-benzoesaeure

4-hydroxybenzoi c acid

PHLORETIN_met004

4-hydroxyl benzoic acid

4-Hydroxybenzoate, III

AVOBENZONE_met002

para-hydroxy benzoic acid

bmse000092

bmse000583

SCHEMBL4110

BIDD:ER0706

4-Hydroxybenzenecarboxylic acid

p-Hydroxybenzoic Acid, Reagent

BDBM26194

P-HYDROXYBENZOIC ACID [MI]

CS-D1180

HY-Y0264

STR01287

Tox21_202342

Tox21_303301

AC-008

BBL011981

s3754

STL138745

4-HYDROXYBENZOIC ACID [FHFI]

4-HYDROXYBENZOIC ACID [HSDB]

4-HYDROXYBENZOIC ACID [INCI]

4-Hydroxybenzoic acid, >=99%, FG

AKOS000119033

AM87513

CCG-266143

MCULE-1367764897

NCGC00166040-02

NCGC00257058-01

NCGC00259891-01

H0207

NS00005418

4-Hydroxybenzoic acid, ReagentPlus(R), 99%

EN300-21461

D86505

4-Hydroxybenzoic acid, ReagentPlus(R), >=99%

4-Hydroxybenzoic acid, puriss., >=99.0% (T)

A858402

Q229970

46DD083D-BFD3-4CE1-B2D9-6C6D5FEFD3D9

J-660066

W-100004

4-Hydroxybenzoic acid, Vetec(TM) reagent grade, 99%

2-3-4'-TRIHYDROXY-4-METHOXYBENZOPHENONE_met005

F2191-0237

Z104498098

2-3-DIHYDROXY-4-METHOXY-4'-ETHOXYBENZOPHENONE_met009

4-Hydroxybenzoic acid, certified reference material, TraceCERT(R)

4-Hydroxybenzoic acid, Pharmaceutical Secondary Standard; Certified Reference Material

InChI=1/C7H6O3/c8-6-3-1-5(2-4-6)7(9)10/h1-4,8H,(H,9,10

30729-36-3

The Henry's Law constant for 4-hydroxybenzoic acid is estimated as 7.2X10-12 atm-cu m/mole(SRC) derived from its extrapolated vapor pressure, 1.9X10-7 mm Hg(1), and water solubility, 5000 mg/L(2). This Henry's Law constant indicates that 4-hydroxybenzoic acid is expected to be essentially nonvolatile from water surfaces(3). 4-Hydroxybenzoic acid's estimated Henry's Law constant indicates that volatilization from moist soil surfaces is not expected to occur(SRC). In addition, 4-hydroxybenzoic acid's pKa value of 4.54(4) indicates that it will exist almost entirely as an anion at pH values of 5 to 9 and therefore volatilization from water and moist soil surfaces is not expected to be an important fate process(SRC). 4-Hydroxybenzoic acid is not expected to volatilize from dry soil surfaces(SRC) based upon its vapor pressure(1).
Literature: (1) Jones AH; J Chem Eng Data 5:196-200 (1960) (2) Yalkowsky SH, He Y, eds; Handbook of aqueous solubility data. Boca Raton, FL: CRC Press p. 377 (2003) (3) Lyman WJ et al; Handbook of Chemical Property Estimation Methods. Washington, DC: Amer Chem Soc pp. 15-1 to 15-29 (1990) (4) Bykova LN et al; Zh Obshch Khim 40: 2295-300 (1970)

Koc values of 142, 20, and 14 were measured according to a modified version of OECD guideline 106 for 4-hydroxybenzoic acid in a podzol (pH=2.8, C organic=4.85%, sand:silt:clay=89.2:8.2:2.6%), alfisol (pH=6.7, C organic=1.25%, sand:silt:clay=69.7:14.4:15.9%), and a sediment (pH=7.1, C organic=1.58%, sand:silt:clay=5.5:58.8:35.7%), respectively(1). According to a classification scheme(2), these Koc values suggest that 4-hydroxybenzoic acid is expected to have high to very high mobility in soil. The pKa of 4-hydroxybenzoic acid is 4.54(3), indicating that this compound will primarily exist in anion form in the environment and anions generally do not adsorb more strongly to organic carbon and clay than their neutral counterparts(4).
Literature: (1) Vonoepen B et al; Chemosphere 22: 285-304 (1991) (2) Swann RL et al; Res Rev 85: 17-28 (1983) (3) Bykova LN et al; Zh Obshch Khim 40: 2295-300 (1970) (4) Doucette WJ; pp. 141-188 in Handbook of Property Estimation Methods for Chemicals. Boethling RS, Mackay D, eds. Boca Raton, FL: Lewis Publ (2000)

2-Methoxy-4-vinylphenol

7786-61-0

4-vinylguaiacol

p-Vinylguaiacol

4-ETHENYL-2-METHOXYPHENOL

4-Hydroxy-3-methoxystyrene

Phenol, 4-ethenyl-2-methoxy-

o-methoxy-p-vinylphenol

para-vinylguaiacol

Guaiacol, 4-vinyl-

p-Vinyl guaiacol

4-vinyl-2-methoxyphenol

Phenol, 2-methoxy-4-vinyl-

4-Hydroxy-3-methoxyvinylbenzene

2-METHOXY-4-VINYL-PHENOL

FEMA No. 2675

3-Methoxy-4-hydroxystyrene

Varamol 106

CCRIS 548

CHEBI:42438

Vinylcatechol-O-methyl ether, P-

UNII-DA069CTH0O

EINECS 232-101-2

2M4VP

DA069CTH0O

Guaiacol, 4-vinyl

BRN 2044521

4-hydroxy-3-methoxyphenylethene

DTXSID7052529

2-(4-hydroxy-3-methoxyphenyl)ethene

2-Methoxy-4-ethenylphenol

Phenol, 2-methoxy-4-ethenyl

Phenol, 4-vinyl, 2-methoxy

CHEMBL1232595

DTXCID8031102

(4-Hydroxy-3-methoxyphenyl)ethene

3-06-00-04981 (Beilstein Handbook Reference)

4-vinyl guaiacol

EUG

Vinyl guaiacol

p-Vinyl guaicol

4-vinylguaiacole

4-Ethenylguaiacol

4-Vinyl-O-guaiacol

2-Methoxy-vinylphenol

31853-85-7

2-Metoxy-4-vinyl-phenol

bmse010071

4-ethenyl-2-methoxy-phenol

SCHEMBL54199

2-?Methoxy-?4-?vinylphenol

BCP27800

Tox21_304024

BDBM50548720

MFCD00015437

AKOS015890494

DB03514

FS-3782

HY-W019940

MCULE-4834642824

2-methoxy-4-vinylphenol (vinylguaiacol)

2-METHOXY-4-VINYLPHENOL [FHFI]

2-Methoxy-4-vinylphenol, >=98%, FG

NCGC00357234-01

Vinylguaiacol (4-vinyl-2-methoxyphenol)

BP-11167

PD006849

CAS-7786-61-0

2-Methoxy-4-vinylphenol (4-vinylguaiacol)

4-Vinyl-2-methoxyphenol (4-vinylguaiacol)

DB-003488

2-Methoxy-4-vinylphenol, analytical standard

4-Vinyl-2-methoxyphenol ( p-vinylguaiacol)

AM20041169

CS-0031749

NS00005168

C17883

EN300-1832370

A839253

Q4596898

W-104295

2-METHOXY-4-VINYLPHENOL (STABILIZED WITH TBC)

4M4

o-cresol

2-Methylphenol

95-48-7

Orthocresol

2-hydroxytoluene

2-Cresol

Phenol, 2-methyl-

o-methylphenol

o-Cresylic acid

o-Oxytoluene

o-Toluol

1-Hydroxy-2-methylbenzene

ortho-cresol

o-Hydroxytoluene

o-Methylphenylol

o-Kresol

Cresol, ortho-

Cresol, o-

2-Hydroxy-1-methylbenzene

o-Kresol [German]

2-methyl-phenol

Cresol, o-isomer

FEMA No. 3480

1-Methyl-2-hydroxybenzene

NSC 23076

o-Cresol-d3

YW84DH5I7U

DTXSID8021808

CHEBI:28054

2-methyl phenol

MFCD00002226

NSC-23076

NSC-36809

TOLUENE,2-HYDROXY (ORTHO-CRESOL)

o-Cresol [UN2076] [Poison, Corrosive]

2-Methylphenol; o-Cresol

WLN: QR B1

DTXCID901808

hydroxy toluene

CAS-95-48-7

Orthocresol [NF]

CCRIS 646

HSDB 1813

EINECS 202-423-8

UNII-YW84DH5I7U

ortho cresol

Methyl phenol

2-methyiphenol

AI3-00137

JZ0

O-Cresol,(S)

Carvacrol derivative, 9

O-CRESOL [FHFI]

O-CRESOL [INCI]

o-Cresol, >=99%

O-CRESOL [MI]

ORTHOCRESOL [HSDB]

bmse000433

EC 202-423-8

2-Methylphenol (o-cresol)

ortho-cresol,2-methylphenol

SCHEMBL16002

MLS002454426

o-Cresol, analytical standard

BIDD:ER0677

CHEMBL46931

DTXSID00185629

DTXSID40165844

2-Hydroxytoluene; 2-Methylphenol

BDBM248166

HMS2268O24

ORTHOCRESOL [USP IMPURITY]

o-Cresol, for synthesis, 99.3%

2-Methylphenol, analytical standard

NSC23076

NSC36809

Tox21_202305

Tox21_300021

STL194295

o-Cresol, ReagentPlus(R), >=99%

AKOS000119021

MCULE-4124485112

NCGC00091534-01

NCGC00091534-02

NCGC00091534-03

NCGC00091534-04

NCGC00254140-01

NCGC00259854-01

o-Cresol, SAJ first grade, >=97.0%

SMR001252248

2-Methylphenol 100 microg/mL in Methanol

METACRESOL IMPURITY B [EP IMPURITY]

NS00003545

EN300-19429

C01542

Q312708

J-006098

J-523819

F0001-2271

Z104473822

InChI=1/C7H8O/c1-6-4-2-3-5-7(6)8/h2-5,8H,1H

The Henry's Law constant for o-cresol is 1.2X10-6 atm-cu m/mole(1). This Henry's Law constant indicates that o-cresol is expected to volatilize from water surfaces(2). Based on this Henry's Law constant, the volatilization half-life from a model river (1 m deep, flowing 1 m/sec, wind velocity of 3 m/sec)(2) is estimated as approximately 32 days(SRC). The volatilization half-life from a model lake (1 m deep, flowing 0.05 m/sec, wind velocity of 0.5 m/sec)(2) is estimated as approximately 235 days(SRC). o-Cresol's Henry's Law constant(1) indicates that volatilization from moist soil surfaces may occur(SRC). o-Cresol may volatilize from dry soil surfaces(SRC) based upon a vapor pressure of 0.18 mm Hg at 25 °C(3).

A Koc of 22 was measured for o-cresol in a Brookston clay loam soil(1). The log Koc of o-cresol in river sediment and coal sediment was reported as 1.7 and 1.75, respectively(2), which correspond to Koc values of 50 and 56(SRC). Based on measured Freundlich isotherms for o-cresol in five different horizon soils (organic content of 0.3 to 0.9%)(3), the Koc ranged from 36 to 240 with an average of 147(SRC). An o-cresol Koc of 246 was determined in batch experiments using a sandy soil with an organic content of 1.5%(4). According to a classification scheme(5), these Koc values indicate that o-cresol is expected to have very high to moderate mobility in soil.

m-cresol

3-methylphenol

108-39-4

Metacresol

Phenol, 3-methyl-

meta-cresol

3-cresol

3-hydroxytoluene

m-methylphenol

m-kresol

m-cresylic acid

1-hydroxy-3-methylbenzene

m-oxytoluene

m-toluol

m-Hydroxytoluene

meta-cresylic acid

1-Methyl-3-hydroxybenzene

Cresol, m-

FEMA No. 3530

hydroxy-3-methylbenzene

CRESOL, META

m-cresylic

m-Cresole

3-methyl-1-hydroxybenzene

NSC 8768

GGO4Y809LO

CHEMBL298312

DTXSID6024200

CHEBI:17231

NSC-8768

m-Cresol, 99%

TOLUENE,3-HYDROXY (META-CRESOL)

Franklin Cresolis

Metacresol (3-Methylphenol)

CRS

m-Kresol [German]

DTXCID804200

Rover's Dog Shampoo

Caswell No. 261A

meta cresol

3-methyl phenol

Cresol, m-isomer

CAS-108-39-4

CCRIS 645

HSDB 1815

Metacresol [USP:BAN]

EINECS 203-577-9

Metacresol; 3-Methylphenol; Amylmetacresol Impurity B

UNII-GGO4Y809LO

EPA Pesticide Chemical Code 022102

3methylphenol

AI3-00136

3-methyl-phenol

Cresol,m-

m-Cresol;

Celcure Dry Mix (chemicals for wood preserving)

Metacresol (USP)

METACRESOL [II]

M-CRESOL [INCI]

METACRESOL [HSDB]

bmse000350

EC 203-577-9

M-CRESOL [WHO-DD]

METACRESOL [USP-RS]

WLN: QR C1

SCHEMBL10736

m-Cresol, analytical standard

m-Cresol, >=98%, FG

SCHEMBL7410931

m-Cresol, for synthesis, 99%

m-Cresol, reagent grade, 97%

METACRESOL [EP IMPURITY]

DTXSID00165845

DTXSID10194060

METACRESOL [EP MONOGRAPH]

METACRESOL [USP IMPURITY]

NSC8768

METACRESOL [USP MONOGRAPH]

3-Methylphenol, analytical standard

Tox21_201941

Tox21_302645

2-TERT-BUTYL-5-METHYL PHENO

BDBM50008548

MFCD00002302

STL185666

AKOS000119006

AM62795

CCG-230271

DB01776

MCULE-6836106503

NCGC00159366-02

NCGC00159366-03

NCGC00159366-04

NCGC00159366-05

NCGC00159366-06

NCGC00256824-01

NCGC00259490-01

AC-14350

BS-23591

m-Cresol, SAJ first grade, >=97.0%

3-Methylphenol 100 microg/mL in Methanol

m-Cresol [UN2076] [Poison, Corrosive]

NS00010658

EN300-19428

AMYLMETACRESOL IMPURITY B [EP IMPURITY]

C01467

D04951

A801870

Q312240

J-002137

J-521679

F0001-0167

Z104473820

Metacresol, United States Pharmacopeia (USP) Reference Standard

InChI=1/C7H8O/c1-6-3-2-4-7(8)5-6/h2-5,8H,1H

The Henry's Law constant for propionaldehyde is 7.34X10-5 atm-cu m/mole(1). This Henry's Law constant indicates that propionaldehyde is expected to volatilize from water surfaces(2). Based on this Henry's Law constant, the volatilization half-life from a model river (1 m deep, flowing 1 m/sec, wind velocity of 3 m/sec)(2) is estimated as 11 hrs(SRC). The volatilization half-life from a model lake (1 m deep, flowing 0.05 m/sec, wind velocity of 0.5 m/sec)(2) is estimated as 5.8 days(SRC). Propionaldehyde is expected to volatilize from dry soil surfaces(SRC) based upon a vapor pressure of 317 mm Hg(3).
Literature: (1) Buttery RG et al; J Agric Food Chem 17: 385-9 (1969) (2) Lyman WJ et al; Handbook of Chemical Property Estimation Methods. Washington, DC: Amer Chem Soc pp. 15-1 to 15-29 (1990) (3) Daubert TE, Danner RP; Physical and Thermodynamic Properties of Pure Chemicals: Data Compilation. Design Inst Phys Prop Data, Amer Inst Chem Eng NY, NY: Hemisphere Pub Corp (1989)

The Koc of propionaldehyde is estimated as 50(SRC), using a log Kow of 0.59(1) and a regression-derived equation(2). According to a classification scheme(3), this estimated Koc value suggests that propionaldehyde is expected to have very high mobility in soil.
Literature: (1) Hansch C et al; Exploring QSAR. Hydrophobic, Electronic, and Steric Constants. ACS Prof Ref Book. Heller SR, consult. ed., Washington, DC: Amer Chem Soc p. 6 (1995) (2) Lyman WJ et al; Handbook of Chemical Property Estimation Methods. Washington, DC: Amer Chem Soc pp. 4-9 (1990) (3) Swann RL et al; Res Rev 85: 17-28 (1983)

Gallic acid

3,4,5-Trihydroxybenzoic acid

149-91-7

gallate

Benzoic acid, 3,4,5-trihydroxy-

Gallic acid, tech.

Kyselina gallova

Pyrogallol-5-carboxylic acid

GALOP

HSDB 2117

CCRIS 5523

3,4,5-Trihydroxybenzoate

MFCD00002510

NSC 674319

CHEBI:30778

Kyselina 3,4,5-trihydroxybenzoova

AI3-16412

EINECS 205-749-9

NSC 20103

NSC-20103

NSC-674319

UNII-632XD903SP

BRN 2050274

DTXSID0020650

632XD903SP

NSC20103

3,4,5-Trihydroxybenzoic acid, anhydrous

DTXCID60650

CHEMBL288114

3,4,5-trihydroxy-Benzoic acid

3-10-00-02070 (Beilstein Handbook Reference)

NSC674319

NCGC00091125-01

GALLIC ACID ANHYDROUS

Kyselina gallova [Czech]

Acid, Gallic

CAS-149-91-7

Gallic acid [NF]

SR-05000001537

gallic-acid

Kyselina 3,4,5-trihydroxybenzoova [Czech]

Gallic acid tech.

Gallic Acid, F

GDE

Gallic Acid1520

Spectrum_000342

SpecPlus_000307

5-Trihydroxybenzoic acid

Spectrum2_000399

Spectrum3_000254

Spectrum4_001544

Spectrum5_000108

GALLIC ACID [MI]

bmse000389

3,5-Trihydroxybenzoic acid

GALLIC ACID [HSDB]

GALLIC ACID [INCI]

3,4,5-hydroxybenzoic acid

WLN: QVR CQ DQ EQ

3,4,5-trihydroxy-Benzoate

Oprea1_087792

SCHEMBL15012

3,4,5-Trihydroxybenzoicacid

BSPBio_001668

KBioGR_002008

KBioSS_000822

SPECTRUM210369

65271-60-5

BIDD:ER0374

DivK1c_006403

GALLIC ACID [WHO-DD]

SPBio_000617

3,4,5-Trihydroxybenzoate, X

Benzoic acid,4,5-trihydroxy-

GTPL5549

3,4,5-Trihydroxybenzoic acid;

KBio1_001347

KBio2_000822

KBio2_003390

KBio2_005958

KBio3_001168

CPD-183

DTXSID50420476

Gallic acid, puriss., 98.0%

1,5-Cyclohexadiene-1-carboxylic acid, 5-hydroxy-3,4-dioxo-

HMS1923K07

HMS2091A07

Pharmakon1600-00210369

BCP18127

HY-N0523

NSC36997

Tox21_111089

Tox21_202515

BBL009937

BDBM50085536

CCG-38670

NSC-36997

NSC755825

s4603

STK298718

AKOS000119625

Tox21_111089_1

AC-1206

CS-8191

MCULE-1552954312

NSC-755825

PS-8710

SDCCGMLS-0066503.P001

NCGC00091125-02

NCGC00091125-03

NCGC00091125-04

NCGC00091125-05

NCGC00091125-07

NCGC00091125-13

NCGC00260064-01

DA-33612

SY038078

SBI-0052184.P002

Gallic acid, 97.5-102.5% (titration)

G0011

NS00013682

EN300-21542

C01424

D85056

3,4,5-trihydroxybenzoic acid (ACD/Name 4.0)

AB00052697_03

Q375837

Q-201146

SR-05000001537-1

SR-05000001537-2

SR-05000001537-3

BRD-K77345217-001-01-9

F1908-0156

Gallic acid, certified reference material, TraceCERT(R)

Z104501122

78563C7D-0E2D-4766-A8EA-670A03C78FCF

GALLIC ACID (CONSTITUENT OF GRAPE SEEDS OLIGOMERIC PROANTHOCYANIDINS)

InChI=1/C7H6O5/c8-4-1-3(7(11)12)2-5(9)6(4)10/h1-2,8-10H,(H,11,12

137657-43-3

The Henry's Law constant for gallic acid is estimated as 8.5X10-20 atm-cu m/mole(SRC) using a fragment constant estimation method(1). This value indicates that gallic acid will be essentially nonvolatile from water surfaces(2,SRC). Gallic acid's Henry's Law constant(1,SRC) indicates that volatilization from moist soil surfaces is not expected(SRC). Gallic acid is not expected to volatilize from dry soil surfaces based on an estimated vapor pressure of 1.2X10-7 mm Hg(SRC), determined from a fragment constant method(3).
Literature: (1) Meylan WM, Howard PH; Environ Toxicol Chem 10: 1283-93 (1991) (2) Lyman WJ et al; Handbook of Chemical Property Estimation Methods. Washington DC: Amer Chem Soc pp. 15-1 to 15-29 (1990) (3) Lyman WJ; p 31 in Environmental Exposure From Chemicals Vol I, Neely WB, Blau GE(eds), Boca Raton, FL: CRC Press (1985)

The Koc of gallic acid is estimated as approximately 57(SRC), using a measured log Kow of 0.70(1) and a regression-derived equation(2,SRC). According to a recommended classification scheme(3), this estimated Koc value suggests that gallic acid is expected to have high mobility in soil(SRC).
Literature: (1) Hansch C et al; Exploring QSAR. Hydrophobic, Electronic, And Steric Constants. ACS Prof Ref Book. Washington, DC: American Chemical Society (1995) (2) Lyman WJ et al; Handbook of Chemical Property Estimation Methods. Washington DC: Amer Chem Soc pp. 4-9 (1990) (3) Swann RL et al; Res Rev 85: 23 (1983)

guaiacol

2-Methoxyphenol

90-05-1

o-Methoxyphenol

2-Hydroxyanisole

Guaiastil

Pyroguaiac acid

o-Guaiacol

o-Hydroxyanisole

Pyrocatechol monomethyl ether

Phenol, 2-methoxy-

1-Hydroxy-2-methoxybenzene

Anastil

Guaicol

Phenol, o-methoxy-

Methylcatechol

Guaicolina

Guajol

Guasol

O-Methyl catechol

Catechol monomethyl ether

Creodon

Guajakol

8021-39-4

2-Methoxy-Phenol

Methoxyphenol

Guajacol

Wood creosote

CREOSOTE, WOOD

FEMA No. 2532

Guaiacol (natural)

Pyrocatechol methyl ester

(mu)-methoxyphenol

Guaiacol [JAN]

NSC 3815

Methylcatachol

CCRIS 2943

9009-62-5

HSDB 4241

2-methoxyl-4-vinylphenol

UNII-6JKA7MAH9C

o--methoxyphenol

6JKA7MAH9C

2-methoxy phenol

NSC-3815

EINECS 201-964-7

MFCD00002185

Guaiacol (JAN)

Creodon (TN)

2-Methoxyphenol-3,4,5,6-d4,OD

CHEBI:28591

AI3-05615

Catechol mono methyl ether

2-methoxyphenol (guaiacol)

2-Methoxy-d3-phenol--d4

CHEMBL13766

DTXSID0023113

EC 201-964-7

Phenol, methoxy-

NCGC00090827-02

NCGC00090827-04

GUAIACOL (MART.)

GUAIACOL [MART.]

GUAIACOL (USP-RS)

GUAIACOL [USP-RS]

Guajakol [Czech]

DTXCID003113

GUAIACOL (EP MONOGRAPH)

GUAIACOL (USP IMPURITY)

GUAIACOL [EP MONOGRAPH]

GUAIACOL [USP IMPURITY]

ortho-Guaiacol

Catechol, Methyl

CAS-90-05-1

2-Hydroxy-Anisole

GUAIFENESIN IMPURITY A (EP IMPURITY)

GUAIFENESIN IMPURITY A [EP IMPURITY]

Guaiacol [JAN:NF]

SR-01000838056

Guaiacol (2-Methoxyphenol)

guiacol

Creasote

methoxy phenol

6-methoxyphenol

hydroxyl anisole

O-methylcatechol

o-Guiacol

orthomethoxyphenol

o-methoxy-Phenol

2-Methyloxyphenol

ortho-methoxyphenol

Guaiacol,(S)

JZ3

2-(methyloxy)phenol

O-HYDROXYANIOSOLE

GUAIACOL [FHFI]

GUAIACOL [HSDB]

GUAIACOL [MI]

GUAIACOL [VANDF]

O-METHOXY CATECHOL

DSSTox_CID_3113

bmse000436

bmse010027

GUAIACOL [WHO-DD]

Guaiacol, puriss., 99%

WLN: QR BO1

DSSTox_RID_77552

3-methoxy-4-hydroxy benzene

DSSTox_GSID_24853

SCHEMBL21626

ghl.PD_Mitscher_leg0.900

guaiacol (liquid) extra pure

Guaiacol, oxidation indicator

FEMA No 2532

MLS001055375

NSC3815

Guaiacol, natural, >=99%, FG

HMS2089D18

HMS2233P04

HMS3372N11

HMS3715E11

Pharmakon1600-01506165

BCP27082

CS-D1347

HY-N1380

STR03604

Tox21_111031

Tox21_201136

Tox21_202990

Tox21_400004

BDBM50240369

NSC760376

s3872

STL281868

AKOS000118831

CCG-214035

DB11359

MCULE-5627336368

NSC-760376

PB43791

PS-3252

Guaiacol, SAJ first grade, >=98.0%

NCGC00090827-01

NCGC00090827-03

NCGC00090827-05

NCGC00090827-06

NCGC00090827-07

NCGC00258688-01

NCGC00260535-01

AC-34997

Guaiacol, Vetec(TM) reagent grade, 98%

SMR000059155

SY048708

CAS-8021-39-4

DB-024854

M0121

NS00010812

EN300-19498

C01502

D00117

F70227

2-Methoxyphenol;o-Methoxyphenol;2-Hydroxyanisole

AB00876226-06

AB00876226_07

A843426

Q412403

Q-100002

SR-01000838056-2

SR-01000838056-3

F2173-0425

Guaiacol, European Pharmacopoeia (EP) Reference Standard

Z104474028

Guaiacol, United States Pharmacopeia (USP) Reference Standard

InChI=1/C7H8O2/c1-9-7-5-3-2-4-6(7)8/h2-5,8H,1H

Guaiacol, Pharmaceutical Secondary Standard; Certified Reference Material

The Henry's Law constant for o-methoxyphenol is as 1.2X10-6 atm-cu m/mole(1). This Henry's Law constant indicates that o-methoxyphenol is expected to volatilize from water surfaces(2). Based on this Henry's Law constant, the volatilization half-life from a model river (1 m deep, flowing 1 m/sec, wind velocity of 3 m/sec)(2) is estimated as 34 days(SRC). The volatilization half-life from a model lake (1 m deep, flowing 0.05 m/sec, wind velocity of 0.5 m/sec)(2) is estimated as 251 days(SRC). o-Methoxyphenol's Henry's Law constant indicates that volatilization from moist soil surfaces may occur(SRC). o-Methoxyphenol is not expected to volatilize from dry soil surfaces(SRC) based upon a vapor pressure of 0.103 mm Hg(3).
Literature: (1) Sagebiel JC et al; Chemosphere 25: 1763-68 (1992) (2) Lyman WJ et al; Handbook of Chemical Property Estimation Methods. Washington, DC: Amer Chem Soc pp. 15-1 to 15-29 (1990) (3) Verschueren K; Handbook of Environmental Data of Organic Chemicals. 2nd ed. New York, NY: Van Nostrand Reinhold Co., p. 435 (1983)

A log Koc of 1.60 for o-methoxyphenol, corresponding to a Koc of 40(SRC), was experimentally determined in a Brookston clay loam soil(1). A log Koc of 1.56(2), corresponding to a Koc of 36(SRC) has also been reported. According to a classification scheme(3), these Koc values suggest that o-methoxyphenol is expected to have very high mobility in soil. The pKa of o-methoxyphenol is 9.98(4), indicating that this compound will exist primarily in the undissociated form in the environment(SRC). The adsorption of the phenol occurrs by hydrogen bonding to sites on soil surfaces; ortho-substitution generally results in decreased adsorption compared to para-substitution due to steric hindrance(1).
Literature: (1) Boyd SA; Soil Sci 134: 337-43 (1982) (2) Schuurmann G et al; Environ Sci Technol 40: 7005-11 (2006). Supporting information. Predicition of the sorption of organic compounds into soil organic matter from molecular structure. Available from, as of Dec 22, 2009: http//pub.acs.org (3) Swann RL et al; Res Rev 85: 17-28 (1983) (4) Pearce PJ, Simkins RJJ; Can J Chem 46: 241-8 (1968)

Homogentisic acid

451-13-8

2,5-Dihydroxyphenylacetic acid

Alcapton

Homogentisate acid

Homogentisinic acid

2-(2,5-dihydroxyphenyl)acetic acid

homogentisate

(2,5-Dihydroxyphenyl)acetic acid

Benzeneacetic acid, 2,5-dihydroxy-

2,5-Dihydroxybenzeneacetic acid

2,5-Dihydroxy-alpha-toluic acid

Melanic acid

2,5-Dihydroxyphenylacetate

2,5-DHPOP

Acetic acid, (2,5-dihydroxyphenyl)-

BRN 2692860

2-(3,6-DIHYDROXYPHENYL)ACETIC ACID

2,5-Dihydroxy-.alpha.-toluic acid

NP8UE6VF08

MFCD00004324

NSC-88940

71694-00-3

2,5-dihydroxy-benzeneacetic acid

EINECS 207-192-7

NSC 88940

UNII-NP8UE6VF08

Homogentisinate

1ajp

4aq6

2,5-Dihydroxy-a-toluate

bmse000200

2,5-Dihydroxy-alpha-toluate

2,5-Dihydroxy-benzeneacetate

4-10-00-01506 (Beilstein Handbook Reference)

2,5-Dihydroxy-a-toluic acid

Homogentisic acid, crystalline

SCHEMBL155333

HOMOGENTISIC ACID [MI]

(2,5-dihydroxyphenyl)-Acetate

Benzeneacetic acid,5-dihydroxy-

DTXSID1060005

Acetic acid,5-dihydroxyphenyl)-

CHEBI:44747

2-(2,5-dihydroxyphenyl)aceticacid

(2,5-dihydroxyphenyl)-Acetic acid

NSC88940

s9352

Homogentisic acid, analytical standard

AKOS004910342

DB08327

1ST40047

AS-19326

SY051598

DB-020087

HY-113283

CS-0059508

D1050

NS00015132

C00544

T70932

A826718

Q416054

W-109536

5A20D3D5-DF92-400D-AB62-07CC3E7DBFBB

HQ9

InChI=1/C8H8O4/c9-6-1-2-7(10)5(3-6)4-8(11)12/h1-3,9-10H,4H2,(H,11,12

hydroquinone

123-31-9

Benzene-1,4-diol

1,4-benzenediol

Quinol

1,4-Dihydroxybenzene

p-Benzenediol

p-Hydroquinone

p-Hydroxyphenol

4-Hydroxyphenol

p-Dihydroxybenzene

Benzoquinol

hydroquinol

Dihydroquinone

Eldoquin

p-Dioxybenzene

Solaquin forte

Eldopaque

Hydroquinole

Idrochinone

Tecquinol

Phiaquin

Benzohydroquinone

Hidroquinone

Arctuvin

Tequinol

Dihydroxybenzene

Eldopaque Forte

Eldoquin Forte

Derma-Blanch

Hydrochinon

Tenox HQ

Diak 5

Benzene, p-dihydroxy-

Hydrochinone

1,4-Dihydroxy-benzol

Artra

Usaf ek-356

1,4-Diidrobenzene

p-Dioxobenzene

1,4-Dihydroxybenzen

para-Dioxybenzene

para-Hydroquinone

NCI-C55834

Black and White Bleaching Cream

1,4-Dihydroxy-benzeen

para-Dihydroxybenzene

beta-quinol

HE 5

Pyrogentistic acid

Epiquin

Melanex

Sunvanish

Idrochinone [Italian]

p-Dihydroquinone

alpha-hydroquinone

CHEBI:17594

NSC 9247

Hydrochinon [Czech, Polish]

CCRIS 714

1,4-Dihydroxybenzen [Czech]

1,4-Diidrobenzene [Italian]

HSDB 577

DTXSID7020716

1,4-Dihydroxy-benzeen [Dutch]

1,4-Dihydroxy-benzol [German]

AI3-00072

CHEMBL537

UNII-XV74C1N1AE

NSC-9247

EINECS 204-617-8

XV74C1N1AE

UN2662

Hydroquinone (USP)

Hydroquinone [USP]

MFCD00002339

HQ

DTXCID70716

NSC9247

EC 204-617-8

Hydroquinone [UN2662] [Poison]

1,4-Dihydroxybenzene (ring-d4)

TRI-LUMA COMPONENT HYDROQUINONE

NCGC00015523-02

HYDROQUINONE COMPONENT OF TRI-LUMA

HYDROQUINONE (IARC)

HYDROQUINONE [IARC]

para-Hydroxyphenol

Quinol; 1,4-Benzenediol; 1,4-Dihydroxybenzene

HYDROQUINONE (MART.)

HYDROQUINONE [MART.]

HYDROQUINONE (USP-RS)

HYDROQUINONE [USP-RS]

quinnone

Eldopacque

p-Phenylenediol

p Benzendiol

HYDROQUINONE (USP MONOGRAPH)

HYDROQUINONE [USP MONOGRAPH]

p-Quinol

1,4-Benzoquinol

CAS-123-31-9

SMR000059154

1,4-Hydroxybenzene

SR-01000075920

BUTYLHYDROXYANISOLE IMPURITY A (EP IMPURITY)

BUTYLHYDROXYANISOLE IMPURITY A [EP IMPURITY]

4-DIHYDROXYBENZENE

hydroquinon

BQ(H)

Hydroquinoue

Balancer

MedisilkeNight

Supermax

hydroq uinone

hydroquinone gr

MiracleFade

Reduced quinone

a-Hydroquinone

Activator Light

Corrector Light

Skin Lightener

Black & White Bleaching Cream

Clear Action

Double White

Exence White

Hydroquinone gel

Idole Carrot

Movate Carrot

Movate Lemon

p-Hydroxybenzene

Scarlight Md

b-Quinol

Caro Light

Hot Movate

Idole Black

4-Benzenediol

4-hydroxyphenoxy

Hydroquinone 4%

Hydroquinone cream

Nova Complex HQ

Hydroquinone, HQ

Light The Way

.beta.-Quinol

1,4 benzenediol

Clarite 4

Hydro-Q

Obagi-C

Seequin 2

Seequin 4

Active 4

Hydroquinone,(S)

p-dihydroxy benzene

PLQ

Artra (Salt/Mix)

HQLA

HYDROP

I-max Lightening 5

PIONA

.alpha.-Hydroquinone

Skin lightening Cream

African Formula Black

NeovaComplex HQ Plus

phenol derivative, 4

Skin Beautifying Milk

African Formula Carrot

Essential Fade Complex

Clear-N-Smooth PLUS

4-hydroxyphenyl alcohol

NU-DERM BLENDER

NU-DERM CLEAR

Skin Lightening Complex

Spectrum_001757

SYMBA Skin Lightening

4e3h

Image Md Lightening Rx

BRIGHTENLIGHTENING

HYDROQUINONE 6%

HYDROQUINONE 8%

SpecPlus_000769

1,4-Dihydrobenzoquinone

Clear-N-Smooth Ultimate

Clear-N-Smooth SuperMax

Clear-N-Smooth UltraMax

ELDOQUIN (TN)

EB5 Age Spot Treatment

Gold Cosmetics Adi Clear

hydroquinone for synthesis

Hydroquinone Time Release

Rejuvaderm Medispa Fading

Spectrum2_001672

Spectrum3_000656

Spectrum4_000633

Spectrum5_001430

HYDROQUINONE [MI]

Lopac-H-9003

HYDROQUINONE 8%.

WLN: QR DQ

bmse000293

Dark Spot Lightening Cream

Epitope ID:116206

Sh18

HYDROQUINONE [HSDB]

HYDROQUINONE [INCI]

Skin LighteningRodan Fields

PLUS Skin lightening Cream

Gold Cosmetics Bleach Cream

Vividly Brilliant Perfecting

HYDROQUINONE [VANDF]

1,4-Dihydroxybenzene Quinol

Lopac0_000577

SCHEMBL15516

BSPBio_002291

KBioGR_001246

KBioSS_002237

1,4-Dihydroxybenzene, XIII

MLS000069815

MLS001074911

Pure Valley Miracle Age Spot

BIDD:ER0340

DivK1c_006865

HYDROQUINONE [WHO-DD]

Hydroquinone, LR, >=99%

SPECTRUM1504237

Clear-N-Smooth Super-Ultimate

Hydrochinon(CZECH, POLISH)

SPBio_001883

Precious Beauty Skin Lightening

Body Fade CremeMaximum Strength

PLEXADERM Dark Spot Fade Gel

ULTIMATE Skin lightening Cream

BDBM26190

Hydroquinone, puriss., 99.0%

KBio1_001809

KBio2_002237

KBio2_004805

KBio2_007373

KBio3_001511

Benzene-1,4-diol (Hydroquinone)

Gold Cosmetics Bleach Cream Forte

HQ Plus Brightening CreamVI Derm

DTXSID001316808

HMS1922H15

HMS2093E08

HMS3261D16

HYDROQUINONE [ORANGE BOOK]

OLIVIA QUIDO BLEMISH ERASER

Pharmakon1600-01504237

Ageless Total Skin Bleaching Serum

DermisaSkin Fade Vitamin C infused

Gold Cosmetics Bleach Cream Silver

Divine Derrier Skin Bleaching cream

Dr. Lightening Ultra-Potent Facial

HY-B0951

Obagi-C Rx system C-Therapy Night

Tox21_110169

Tox21_202345

Tox21_300015

Tox21_500577

141010 HYDROQUINONE 4%

141011 HYDROQUINONE 6%

141030 HYDROQUINONE 8%

141055 HYDROQUINONE 6%

141067 HYDROQUINONE 8%

CCG-39082

MD Acne Medicated Dark Spot Remover

NSC758707

Olivia Quido Skincare Blemish Eraser

s4580

STK397446

AKOS000119003

Obagi C Rx System C Clarifying Serum

Teatrical Pro-Aclarant Skin Lightening

Tox21_110169_1

AM10548

DB09526

LP00577

MCULE-3953269041

NSC-758707

RP10102

SDCCGSBI-0050559.P003

UN 2662

Hydroquinone, ReagentPlus(R), >=99%

Hydroquinone, USP, 99.0-100.5%

NCGC00015523-01

NCGC00015523-03

NCGC00015523-04

NCGC00015523-05

NCGC00015523-06

NCGC00015523-07

NCGC00015523-08

NCGC00015523-09

NCGC00015523-10

NCGC00015523-11

NCGC00015523-12

NCGC00015523-13

NCGC00015523-19

NCGC00090880-01

NCGC00090880-02

NCGC00090880-03

NCGC00090880-04

NCGC00090880-05

NCGC00254037-01

NCGC00259894-01

NCGC00261262-01

BP-21160

DA-33570

Dr. Throwers Skin Lightening Moisturizing

Hydroquinone, ReagentPlus(R), >=99.5%

SBI-0050559.P002

Hydroquinone, SAJ first grade, >=99.0%

NU-DERM CLEARSkin Bleaching and Corrector

EU-0100577

H0186

Hydroquinone, SAJ special grade, >=99.0%

MEDITOWELILLUMINATING SKIN BRIGHTENING

NS00004421

NU-DERM BLENDERSkin Lightener and Blending

EN300-18053

Hydroquinone, meets USP testing specifications

Advanced Dual Complex FadeMaximum Strength Plus

C00530

D00073

H 9003

AB00053361_08

Q419164

ZO Skin Health Pigment Control Creme Hydroquinone

J-004910

J-521469

SR-01000075920-1

SR-01000075920-4

Q27102742

Z57127551

094CADDB-59BF-4EDF-B278-59791B203EA2

F1908-0167

Hydroquinone, certified reference material, TraceCERT(R)

OBAGI-C Rx system C-CLARIFYING SERUM NORMAL TO oily

ZO Skin Health Pigment Control Program Plus Hydroquinone

CONDITION AND ENHANCE BLENDERSkin Lightener and Blending

CONDITION AND ENHANCE CLEARSkin Bleaching and Corrector

ZO Skin Health Pigment Control Plus Blending Creme Hydroquinone

ELASTIDERM DECOLLETAGE SKIN LIGHTENING COMPLEXChest and Neck

Hydroquinone, United States Pharmacopeia (USP) Reference Standard

InChI=1/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8

Obagi-C Rx system C-Therapy NightSkin Lightening with Vitamins C and E

Hydroquinone, Pharmaceutical Secondary Standard; Certified Reference Material

ZO MEDICAL MELAMIN-C Skin Bleaching and Correcting with Vitamin C Hydroquinone

ZO Skin Health Pigment Control plus Brightening Creme Hydroquinone plus Vitamin C

3225-30-7

OBAGI-C Rx system C-CLARIFYING SERUM NORMAL TO oilySKIN LIGHTENING SERUM WITH VITAMIN C

The Henry's Law constant for hydroquinone is estimated as 4.7X10-11 atm-cu m/mole(SRC) derived from its vapor pressure, 2.4X10-5 mm Hg(1), and water solubility, 7.2X10+4 mg/L(2). This Henry's Law constant indicates that hydroquinone is expected to be essentially nonvolatile from water and moist soil surfaces(3). Hydroquinone is not expected to volatilize from dry soil surfaces(SRC) based upon its vapor pressure(1).

Using a structure estimation method based on molecular connectivity indices(1), the Koc of hydroquinone is estimated as 240(SRC). According to a classification scheme(2), this estimated Koc value suggests that hydroquinone is expected to have moderate mobility in soil. Hydroquinone can exhibit chemisorption to transition metal-containing particulate matter via reaction with the copper oxide/silca surfaces present(3).

phenol

108-95-2

carbolic acid

Hydroxybenzene

Phenic acid

Oxybenzene

Benzenol

Phenylic acid

Phenylic alcohol

Monophenol

Phenyl hydrate

Phenyl hydroxide

PhOH

Monohydroxybenzene

Paoscle

Phenole

Izal

Phenyl alcohol

Phenol alcohol

Acide carbolique

Phenol, liquefied

Fenolo

Carbolsaure

Phenosmolin

Fenol

Liquid phenol

Phenol, pure

Benzene, hydroxy-

Rcra waste number U188

Liquefied phenol

Liquified Phenol

Carbolicum acidum

Fenolo [Italian]

NCI-C50124

Phenole [German]

Campho-Phenique Gel

phenylalcohol

UN 2312 (molten)

Phenol [JAN]

UN 1671 (solid)

Phenic

Carbolsaure [German]

Caswell No. 649

Campho-Phenique Liquid

Phenol, molten

2-allphenol

Baker's P & S liquid & Ointment

Fenol [Dutch, Polish]

NSC 36808

Phenol, liquified

Baker's P and S Liquid and Ointment

Monohydroxy benzene

Acide carbolique [French]

CCRIS 504

Campho-Phenique Cold Sore Gel

Carbolsaeure

FEMA No. 3223

Karbolsaeure

HSDB 113

Phenoxy

acide phenique

DTXSID5021124

Phenic alcohol

Phenol,liquified

Synthetic phenol

Phenol, dimer

AI3-01814

RCRA waste no. U188

EINECS 203-632-7

UNII-339NCG44TV

MFCD00002143

NSC-36808

UN1671

UN2312

UN2821

EPA Pesticide Chemical Code 064001

339NCG44TV

CHEBI:15882

Phenol [USP:JAN]

ENT-1814

27073-41-2

CHEMBL14060

DTXCID501124

EC 203-632-7

NSC36808

Phenol, Glass Distilled Under Argon

65996-83-0

Phenol, solid [UN1671] [Poison]

Phenol (USP:JAN)

Phenol, molten [UN2312] [Poison]

NCGC00091454-04

Fenosmoline

Fenosmolin

PHENOL (IARC)

PHENOL [IARC]

PHENOL (USP-RS)

PHENOL [USP-RS]

PHENOL (II)

PHENOL [II]

PHENOL (MART.)

PHENOL [MART.]

Phenol, >=99.0%

17442-59-0

PHENOL (EP MONOGRAPH)

PHENOL [EP MONOGRAPH]

PHENOL (USP MONOGRAPH)

PHENOL [USP MONOGRAPH]

Phen-2,4,6-d3-ol-d

Carbol

hydroxy benzene

Phenol 100 microg/mL in Methanol

Phenol, liquid

Phenol, solid

Baker's p and s

Phenol, sulfurated

CAS-108-95-2

METACRESOL IMPURITY A (EP IMPURITY)

METACRESOL IMPURITY A [EP IMPURITY]

(14C)Phenol

HEXYLRESORCINOL IMPURITY A (EP IMPURITY)

HEXYLRESORCINOL IMPURITY A [EP IMPURITY]

PHENOL (2,3,4,5,6-D5)

arenols

Benzophenol

Karbolsaure

Phylorinol

Ulcerease

Hydroxy-benzene

Phenol liquid

Phenol molten

Fungus Fighte

Phenol synthetic

Pandy's reagent

Cepastat lozenges

Fortinia ID

Phenol, labeled with carbon-14

Acidum Carbolicum

Phenol (liquid)

2-phenyl alcohol

Sore ThroatCherry

Phenol, synthetic

Phenol, ultrapure

ABC Sore Throat

HEB Sore Throat

Phenol ACS grade

RugbyCherry Flavor

Sore ThroatMenthol

Sore Throat Spray

Meijer Sore Throat

Sore Throat Cherry

Sore Throat Relief

Liquefied phenol BP

Paoscle (TN)

Topcare Sore Throat

Carbolic acid liquid

Phenol (TN)

Phenol,(S)

TopCareCherry Flavor

Phenol, ACS reagent

PUBLIX Sore Throat

Carbolic acid, liquid

CepastatExtra Strength

Walgreens Sore Throat

63496-48-0

Sore ThroatReadyInCase

Vortex Moisturizer Oral

1ai7

1li2

4i7l

Liquefied phenol (TN)

DRx Choice Sore Throat

PHENOL [VANDF]

Wild Horse 777 Oral

PHENOL [FHFI]

PHENOL [HSDB]

PHENOL [INCI]

Sore Throat ReliefCherry

Castellani Paint 1.5%

Phenol (JP17/USP)

PHENOL [WHO-DD]

Phenol, detached crystals

Pain RelievingPetro Carbo

PHENOL [MI]

Phenol, >=99%

Sore Throat ReliefMenthol

WLN: QR

Good Neighbor Sore Throat

Liquefied phenol (JP17)

bmse000290

bmse010026

C6H5OH

Fenol(DUTCH, POLISH)

NICE SORE THROAT Cherry

PHENOL, 80% in ethanol

Phenol, LR, >=99%

HEB Sore ThroatCherry Flavor

MLS001065591

Phenol (CGA 73330)

Phenol, for molecular biology

BIDD:ER0293

Phenol for disinfection (TN)

ABC Sore ThroatMenthol Flavor

HEB Sore ThroatMenthol Flavor

NICE SORE THROAT Spearmint

Phenol, natural, 97%, FG

CHLORASEPTIC SORE THROAT

Chloraseptic Sore Throat Cherry

Chloraseptic Sore Throat Citrus

Cuticura pain relieving ointment

Sore Throat ReliefCherry Flavor

CARBOLICUM ACIDUM [HPUS]

DTXSID9075294

Phenol, AR, >=99.5%

PHENOL,LIQUIFIED [VANDF]

BDBM26187

CHEBI:33853

Phenol for disinfection (JP17)

Topcare Sore ThroatMenthol Flavor

3f39

Phenol 10 microg/mL in Methanol

PUBLIX Sore ThroatMenthol Flavor

Walgreens Sore ThroatCherry Flavor

phenol 0.6% anesthetic oral rinse

Tox21_113463

Tox21_201639

Tox21_300042

DRx Choice Sore ThroatMenthol Flavor

Phenol 5000 microg/mL in Methanol

STL194294

AKOS000119025

Eos Medicated Pain Relieving Lip Balm

Tox21_113463_1

DB03255

Good Neighbor Sore ThroatCherry Flavor

MCULE-9943948107

NA 2821

Phenol, BioXtra, >=99.5% (GC)

Phenol, SAJ first grade, >=98.0%

UN 1671

UN 2312

UN 2821

USEPA/OPP Pesticide Code: 064001

NCGC00091454-01

NCGC00091454-02

NCGC00091454-03

NCGC00091454-05

NCGC00091454-06

NCGC00091454-07

NCGC00254019-01

NCGC00259188-01

Phenol, JIS special grade, >=99.0%

61788-41-8

73607-76-8

AM802906

BP-30160

METHYL SALICYLATE IMPURITY B [EP]

SMR000568492

Phenol 1000 microg/mL in Dichloromethane

Phenol, PESTANAL(R), analytical standard

Liquified Phenol (contains 7-10 % water)

NS00010045

P1610

P2771

EN300-19432

C00146

D00033

Phenol, unstabilized, ReagentPlus(R), >=99%

SALICYLIC ACID IMPURITY C [EP IMPURITY]

Phenol, p.a., ACS reagent, 99.5-100.5%

PUBLIX Sore Throat Fast Relief Oral Anesthetic

Q130336

CVS Health Sore Throat Fast Relief Oral Anesthetic

J-610001

Phenol, for molecular biology, ~90% (T), liquid

A13-01814

F1908-0106

Phenol, unstabilized, purified by redistillation, >=99%

Z104473830

InChI=1/C6H6O/c7-6-4-2-1-3-5-6/h1-5,7

Phenol, BioUltra, for molecular biology, >=99.5% (GC)

Phenol, United States Pharmacopeia (USP) Reference Standard

Liquified Phenol, meets USP testing specifications, >=89.0%

Phenol, BioUltra, for molecular biology, TE-saturated, ~73% (T)

phenol;phenol [jan];phenol, pure;phenol phenol [jan] phenol, pure

Phenol, puriss. p.a., ACS reagent, reag. Ph. Eur., 99.0-100.5%

Phenol, contains hypophosphorous as stabilizer, loose crystals, ACS reagent, >=99.0%

Phenol, puriss., meets analytical specification of Ph. Eur., BP, USP, 99.5-100.5% (GC)

Phenol, puriss., meets analytical specification of Ph. Eur., BP, USP, >=99.5% (GC), crystalline (detached)

The Henry's Law constant for phenol is 3.33X10-7 atm-cu m/mol at 25 deg C(1). This Henry's Law constant indicates that phenol is expected to be essentially nonvolatile from water surfaces(2). Phenols's Henry's Law constant indicates that volatilization from moist soil surfaces in not expected to occur(SRC). Phenol is not expected to volatilize from dry soil surfaces(SRC) based upon a vapor pressure of 0.35 mm Hg(3).
Literature: (1) Gaffney JS et al; Environ Sci Technol 21: 519-23 (1987))(2) Lyman WJ et al; Handbook of Chemical Property Estimation Methods. Washington, DC: Amer Chem Soc pp. 15-1 to 15-29 (1990) (3) Bingham E et al, eds; Patty's Toxicology. 5th ed. NY, NY: John Wiley & Sons Inc. 4: 383 (2001)

Phenol is reported to have low adsorptivity to clay soils and silt loam(1) and no adsorption to aquifer material(3) and montmorillonite and kaolinite clays(8). The Koc for phenol to a Batcombe silt loam soil (pH 6.7, organic carbon 2.51%) was 30(6). It was 16 for a Brookstone clay loam (pH 5.7, organic matter 5.1%) and varied with pH and iron content of the soil(7). The Freundlich K and (1/N) for phenol in Captina (pH 5.7, 1.1 % organic matter) and Palouse silt loam (pH 5.7, 3.6% organic matter) soils were 0.58 (1.15) and 0.81 (1.00)(2); the Koc values for these soils are 91 and 39(SRC). Based on the reported Koc values, phenol would be expected to generally exhibit very high mobility in soil, based on a classification scheme(4). In a study of the adsorption of phenol onto siltstone associated with a Wyoming coal deposit suitable for in situ gasification, the pH of the solution was the major controlling factor with adsorption occurring at pH's below the pKa of phenol and no adsorption occurring at pH's above the pKa(5). The log of the Freundlich K value was approximately -4(5). Therefore, phenol may be transported by groundwater near in situ coal gasification sites due to the elevated pH's at these sites after gasification(5). The pKa of phenol is 9.99(9), indicating that it will be partially dissociated at the upper end of environmental pH range and its mobility may be pH dependent(SRC). In general, anions generally do not adsorb to organic carbon and clay as strongly as their neutral counterparts(10).
Literature: (1) Artiola-Fortuny J, Fuller WH; Soil Sci 133: 18-26 (1982) (2) Scott HD et al; J Environ Qual 12: 91-5 (1983) (3) Ehrlich GG et al; Groundwater 20: 703-10 (1982) (4) Swann RL et al; Res Rev 85: 17-28 (1983) (5) Laquer FC, Manahan SE; Chemosphere 16: 1431-45 (1987) (6) Briggs GG; J Agric Food Chem 29: 1050-9 (1981) (7) Boyd SA et al; Appl Environ Microbiol 46: 50-4 (1983) (8) Luh MD, Baker RA; pp. 534-42 in Proc 25th Ind Waste Conf Purdue Univ (1970) (9) Lide DR, ed; CRC Handbook of Chemistry and Physics. 81st Ed. Boca Raton, FL: CRC Press LLC, p. 5-89 (2000) (10) Doucette WJ; pp. 141-188 in Handbook of Property Estimation Methods for Chemicals. Boethling RS, Mackay D, eds. Boca Raton, FL: Lewis Publ (2000)