ISOVALERIC ACID

3-Methylbutanoic acid

503-74-2

Isopentanoic acid

3-Methylbutyric acid

Delphinic acid

Isopropylacetic acid

Isovalerianic acid

Butanoic acid, 3-methyl-

Isobutylformic acid

Isovalerianic

beta-Methylbutyric acid

Acetic acid, isopropyl-

3-Methylbutyrate

Butyric acid, 3-methyl-

3-methyl-butanoic acid

Kyselina isovalerova

Isobutyl formic acid

Isovaleriansaeure

FEMA No. 3102

3-methyl-n-butyric acid

Isovaleric acid (natural)

FEMA Number: 3102

3-Methylbuttersaeure

3-methyl butyric acid

3-methyl-butyric acid

NSC 62783

HSDB 629

.beta.-Methylbutyric acid

EINECS 207-975-3

MFCD00002726

b-Methylbutyric acid

UNII-1BR7X184L5

BRN 1098522

DELPHINIC-ACID

DTXSID5029182

CHEBI:28484

AI3-24132

1BR7X184L5

NSC-62783

3,4-Diisovaleryl adrenaline

DTXCID309182

3-Methyl-d3-butyric--d4 Acid

EC 207-975-3

4-02-00-00895 (Beilstein Handbook Reference)

Butanoic acid, 3-methyl-, (R)-

isopropylacetate

IVA

ISOVALERIC ACID (MART.)

ISOVALERIC ACID [MART.]

Kyselina isovalerova [Czech]

92634-50-9

methyl butanoic acid

METHYLBUTANOIC ACID

b-Methylbutyrate

iso-valeric acid

3-Methylbutanoicacid

iso-C4H9COOH

Isovaleric acid, 99%

bmse000373

SCHEMBL43436

ISOVALERIC ACID [MI]

ISOVALERIC ACID [FCC]

ISOVALERIC ACID [FHFI]

ISOVALERIC ACID [HSDB]

CHEMBL568737

WLN: QV1Y1&1

ISOVALERIC ACID [WHO-DD]

AMY40214

BCP32116

NSC62783

STR08356

Isovaleric acid, analytical standard

Tox21_201604

BBL027399

Isovaleric acid (mixture of isomers)

LMFA01020181

s6287

STL146358

AKOS000119861

Isovaleric acid, >=99%, FCC, FG

CS-W013696

DB03750

HY-W012980

MCULE-5805071360

3-Methylbutyric acid: isopropyl-Acetate

Isovaleric acid sodium salt (Salt/Mix)

Isovaleric acid, natural, >=98%, FG

NCGC00249082-01

NCGC00259153-01

35915-22-1

CAS-503-74-2

3-Methylbutyric acid: isopropyl-Acetic acid

M0182

NS00001831

EN300-19718

C08262

D78213

Q415536

J-522594

F2191-0067

Z104474910

3-Methylbutanoic acid;3-Methylbutyric acid;Isopentanoic acid

InChI=1/C5H10O2/c1-4(2)3-5(6)7/h4H,3H2,1-2H3,(H,6,7

The Henry's Law constant for isovaleric acid was measured as 8.33X10-7 atm-cu m/mole(1). This value indicates that isovaleric acid will volatilize slowly from water surfaces(2,SRC). Based on this Henry's Law constant, the estimated volatilization half-life from a model river (1 m deep, flowing 1 m/sec, wind velocity of 3 m/sec) is estimated as approximately 45 days(2,SRC). The estimated volatilization half-life from a model lake (1 m deep, flowing 0.05 m/sec, wind velocity of 0.5 m/sec) is estimated as approximately 330 days(2,SRC). In addition, a pKa of 4.78 for isovaleric acid(3) indicates that isovaleric acid will not significantly volatilize from water as it will exist predominately in the ionic form under environmental pHs(SRC). Isovaleric acid's Henry's Law constant(1) indicates that volatilization from moist soil surfaces may occur(SRC). Isovaleric acid is not expected to volatilize from dry soil surfaces(SRC) based on a measured vapor pressure of 0.44 mm Hg(4).
Literature: (1) Khan I, Brimblecombe P; J Aerosol Sci 23: S897-S900 (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) Leung HW, Paustenbach DJ; Am J Ind Med 18: 714-23 (1990) (4) Yaws CL; Handbook of Vapor Pressure, Vol 2 C5 to C7 Compounds, Houston,TX: Gulf Publ Co. p. 387 (1994)

The Koc of isovaleric acid is estimated as approximately 100(SRC), using a measured log Kow of 1.16(1) and a regression-derived equation(2,SRC). According to a recommended classification scheme(3), this estimated Koc value suggests that isovaleric 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. Heller SR (consult ed) Washington, DC: Amer Chem Soc p. 14 (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)

Isoamyl alcohol

3-Methyl-1-butanol

Isopentyl alcohol

3-Methylbutan-1-ol

123-51-3

Isopentanol

3-Methylbutanol

1-Butanol, 3-methyl-

Isoamylol

Isobutylcarbinol

Iso-amylalkohol

2-Methyl-4-butanol

Isobutyl carbinol

Iso-amyl alcohol

ISOAMYLALCOHOL

Alcool isoamylique

Amylowy alkohol

Isoamyl alkohol

Alcool amilico

Fermentation amyl alcohol

i-Amyl Alcohol

3-Metil-butanolo

isopentan-1-ol

Primary isoamyl alcohol

Isoamyl alcohol (natural)

1-Hydroxy-3-Methylbutane

FEMA No. 2057

FEMA Number 2057

NSC 1029

3-methylbutyl alcohol

MFCD00002934

HSDB 605

Isopentylalkohol

3-Methyl-Butan-1-Ol

Isoamyl alcohol, primary

UNII-DEM9NIT1J4

DEM9NIT1J4

3-methyl-Butanol

EINECS 204-633-5

CCRIS 8806

DTXSID3025469

CHEBI:15837

AI3-15288

Methyl-3-butan-1-ol

NSC-1029

NSC-7905

Butan-1-ol, 3-methyl

Fuseloel

DTXCID705469

Huile de fusel

3-METHYL-BUTAN-(1)-OL

EC 204-633-5

EINECS 229-179-5

Magnesium bis(3-methylbutan-1-olate)

isoamyl-alcohol

WLN: Q2Y1 & 1

Isoamyl alkohol [Czech]

Alcool amilico [Italian]

Amylowy alkohol [Polish]

Iso-amylalkohol [German]

3-METHYL-1-BUTANOL (USP-RS)

3-METHYL-1-BUTANOL [USP-RS]

Alcool isoamylique [French]

3-Metil-butanolo [Italian]

6423-06-9

iso-amylalcohol

isopentylalcohol

3-methylbutanoI

3-methyl butanol

Iso Amyl Alcohol

3-methyl 1-butanol

3-methyl-1 butanol

3-methylbutane-1-ol

Butanol, 3-methyl-

Isoamyl alcohol (primary and secondary)

?3-Methyl-1-butanol

POTATO SPIRIT OIL

3-Methyl-1-butanol, 98%

ISOAMYL ALCOHOL [FCC]

ISOAMYL ALCOHOL [FHFI]

ISOAMYL ALCOHOL [HSDB]

ISOAMYL ALCOHOL [INCI]

ISOPENTYL ALCOHOL [MI]

CHEMBL372396

QSPL 002

Isoamyl alcohol, >=98%, FG

NSC1029

NSC7905

for molecular biology,>99%(GC)

Isoamyl alcohol (3-methyl butanol)

isopentyl alcohol (isoamyl alcohol)

3-Methylbutanol, analytical standard

Tox21_302359

LMFA05000108

STL282718

3-Methyl-1-butanol A.C.S. Reagent

3-Methyl-1-butanol, LR, >=98%

AKOS000118739

DB02296

MCULE-7411270401

3-Methyl-1-butanol, p.a., 99.8%

Isoamyl alcohol, natural, >=98%, FG

3-Methyl-1-butanol, analytical standard

NCGC00255329-01

3-Methyl-1-butanol, anhydrous, >=99%

8013-75-0

CAS-123-51-3

3-Methyl-1-butanol, reagent grade, 98%

3-Methyl-1-butanol, technical grade, 95%

I0289

NS00008204

EN300-19333

3-Methyl-1-butanol, ACS reagent, >=98.5%

3-Methyl-1-butanol, biotech. grade, >=99%

3-Methyl-1-butanol, ReagentPlus(R), >=99%

C07328

3-Methyl-1-butanol, SAJ first grade, >=96.0%

Q223101

3-Methyl-1-butanol, JIS special grade, >=98.0%

F0001-0367

Z104473558

3-Methylbutanol, BioReagent, for molecular biology, >=98.5%

3-Methylbutanol, puriss. p.a., ACS reagent, >=98.5% (GC)

3-Methylbutanol, BioUltra, for molecular biology, >=99.0% (GC)

InChI=1/C5H12O/c1-5(2)3-4-6/h5-6H,3-4H2,1-2H

3-Methyl-1-butanol, United States Pharmacopeia (USP) Reference Standard

3-Methylbutanol, p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 98.5%

The Henry's Law constant for isopentanol is 1.41X10-5 atm-cu m/mol(1). Using this value for the Henry's Law constant, one can estimate that the volatilization half-life of isopentanol in a model river 1 m deep flowing at 1 m/s with a wind speed of 3 m/s is 2.55 days(2). Similarly, the half-life of isopentanol in a model lake 1 m deep with a 0.05 m/s current and a 0.5 m/s wind is 21 days(2). In view of isopentanol's relatively high vapor pressure, 2.37 mm Hg at 25 deg C(3) and moderate Henry's Law constant and low adsorptivity to soil, isopentanol would be expected to volatilize from dry and moist soil(SRC).
Literature: (1) Butler JAV et al; J Chem Soc 1935: 280-5 (1935) (2) Lyman WJ et al; Handbook of Chemical Property Estimation Methods. NY: McGraw-Hill Chapt 15 (1982) (3) Riddick JA et al; Organic Solvents 4th ed; pp. 221-2 NY: Wiley (1986)

The Koc for isopentanol estimated from its water solubility, 26.7 mg/L(1), using recommended regression equations are 720(2) and 679(4). However, the chemicals used in developing these equations were mainly pesticides and their structures are not similar to isopentanol. The Koc for isopentanol estimated from molecular structure is 4(3). This should be a reasonable estimate for the Koc because it is close to the experimental value for the structurally similar chemical, 1-pentanol, 1.6(6). According to a suggested classification scheme(5), the estimated Kocs based on molecular structure suggests that isopentanol is very highly mobile in soil(SRC).
Literature: (1) Riddick JA et al; Organic Solvents 4th ed; pp. 211-2 NY: Wiley (1986) (2) Lyman WJ et al; Handbook of Chemical Property Estimation Methods. NY: McGraw-Hill Chapt 4 (1982) (3) Meylan WM et al; Environ Sci Technol 26: 1560-7 (1992) (4) Wauchope RD et al; Rev Environ Contam Toxicol 123: 1-155 (1991) (5) Swann RL et al; Res Rev 85: 17-28 (1983) (6) Gerstl Z, Helling CS; J Environ Sci Health B22: 55-69 (1987)