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W310204

Isovaleric acid

≥99%, FCC, FG

Synonym(s):

3-Methylbutanoic acid, 3-Methylbutyric acid

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About This Item

Linear Formula:
(CH3)2CHCH2COOH
CAS Number:
503-74-2
Molecular Weight:
102.13
FEMA Number:
3102
Council of Europe no.:
8
UNSPSC Code:
12164502
PubChem Substance ID:
24901466
Flavis number:
8.008
EC Number:
207-975-3
NACRES:
NA.21
MDL number:
MFCD00002726
Beilstein/REAXYS Number:
1098522
Organoleptic:
cheese; fatty; acidic; sour
Grade:
FG, Halal
Biological source:
synthetic
Agency:
meets purity specifications of JECFA
Food allergen:
no known allergens
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biological source

synthetic

Quality Segment

300

grade

FG, Halal

agency

meets purity specifications of JECFA

reg. compliance

EU Regulation 1334/2008 & 872/2012, FCC, FDA 21 CFR 172.515

vapor pressure

0.38 mmHg ( 20 °C)

assay

≥99%

autoignition temp.

824 °F

refractive index

n20/D 1.403 (lit.)

bp

175-177 °C (lit.)

mp

−29 °C (lit.)

density

0.925 g/mL at 20 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

organoleptic

cheese; fatty; acidic; sour

SMILES string

CC(C)CC(O)=O

InChI

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

InChI key

GWYFCOCPABKNJV-UHFFFAOYSA-N

General description

Isovaleric acid is the main volatile flavor constituent of Swiss cheese and beer. It has been identified as the key odor-active compound responsible for "Brett" flavor in wine.

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pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

176.0 °F - Pensky-Martens closed cup

flash_point_c

80 °C - Pensky-Martens closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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