Hydroxybenzenecarboxylic acid

parahydroxybenzoic acid

acidop-idrossibenzoico

Hydroxybenzoic acid

4-Hydroxybenzenecarboxylic acid

FJKROLUGYXJWQN-UHFFFAOYSA-N

4-Hydroxybenzoesaeure

4-Hydroxybenzoicacid

p-carboxyphenol

p-Oxybenzoesaure

p-Salicylicacid

para-Hydroxybenzoic acid

Acetysalicyclic acid impurity A

Acido p-idrossibenzoico

PHBA

Kyselina 4-hydroxybenzoova

p-Hydroxybenzoic acid

p-Salicylate

Paraben-acid

PHB

4-Carboxyphenol

p-hydroxy-Benzoate

para-salicylic acid

3pcc

3pch

4-Hydroxy-benzoesaeure

4-HYDROXYBENZOIC ACID

4-hydroxylbenzoic acid

benzoicacid,4-hydroxy

HYDROXYBENZOIC ACID, PARA

p-Salicyclic Acid

p-Salicylic acid

Para Hydroxy Benzoic Acid

4-hydroxy-benzoicaci

4-hyroxybenzoic acid

p-HBA

4-hydroxy-benzoate

p-hydroxy benzoic acid

p-hydroxy-Benzoic acid

AC1Q73EU

4-HBA

4-hydroxy benzoic acid

4-hydroxy-benzoic acid

4-Hydroxybenzoate, III

4-hydroxybenzoi c acid

4-hydroxyl benzoic acid

benzoicacid,4-hydroxy-

SCHEMBL4110

AC1L18K3

AC1Q1H26

Acido p-idrossibenzoico [Italian]

KSC173K8H

p-Oxybenzoesaure [German]

phenol derivative, 8

ACMC-209sel

Benzoic acid, p-hydroxy

LR-68

NSC4961

PubChem16819

BDBM26194

HMDB00500

JG8Z55Y12H

Kyselina 4-hydroxybenzoova [Czech]

WLN: QVR DQ

AC-008

AM87513

Benzoic acid, 4-hydroxy

BIDD:ER0706

CHEMBL441343

DB04242

NE10208

RP20404

bmse000092

bmse000583

C00156

CCRIS 8812

HSDB 7233

UNII-JG8Z55Y12H

ZINC332752

4-Hydroxybenzoic acid, pharmaceutical secondary standard; traceable to USP

AK106263

BBL011981

BC228180

Benzoic acid, p-hydroxy-

CS-D1180

DNC008509

DTXSID3026647

NSC 4961

NSC-4961

OR034017

OR182934

OR383012

SBB040549

STL138745

UNII-I3P9R8317T component FJKROLUGYXJWQN-UHFFFAOYSA-N

CHEBI:30763

DSSTox_CID_6647

4CN-0919

AB1002080

AJ-19561

AN-16204

ANW-41083

Benzoic acid, 4-hydroxy-

DSSTox_GSID_26647

KB-39154

LS-37525

SC-16333

ST2411467

TRA0058557

BB_NC-2308

DSSTox_RID_78173

MFCD00002547

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

AI3-01003

RTR-007731

ST50210584

AKOS000119033

I04-1478

I14-7358

J-660066

Salicylic acid Related Compound A, United States Pharmacopeia (USP) Reference Standard

W-100004

FT-0618695

99-96-7

4-Hydroxybenzoic acid, >=99%, FG

Tox21_202342

Tox21_303301

F2191-0237

Z1259273385

CAS-99-96-7

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

MCULE-1367764897

NCGC00166040-01

NCGC00166040-02

NCGC00257058-01

NCGC00259891-01

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

EINECS 202-804-9

4-Hydroxybenzoic acid, 98% 250g

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

MolPort-000-871-606

44643-EP2281819A1

44643-EP2292619A1

44643-EP2298735A1

44643-EP2305659A1

44643-EP2311809A1

44643-EP2311818A1

AE-848/32195059

114-63-6 (mono-hydrochloride salt)

194587-EP2371808A1

BENZOIC-CARBOXY-13C ACID, 4-HYDROXY- (9CI)

16782-08-4 (mono-potassium salt)

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

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

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

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)