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Merck
CN

78266

Isovaleric acid

reference material

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
UNSPSC Code:
41116107
Beilstein/REAXYS Number:
1098522
MDL number:
MFCD00002726

Key Documents

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InChI

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

SMILES string

CC(C)CC(O)=O

InChI key

GWYFCOCPABKNJV-UHFFFAOYSA-N

grade

reference material

vapor pressure

0.38 mmHg ( 20 °C)

assay

≥98.0% (GC)

form

liquid

autoignition temp.

824 °F

shelf life

limited shelf life, expiry date on the label

bp

175-177 °C (lit.)

mp

−29 °C (lit.)

density

0.925 g/mL at 20 °C (lit.)

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General description

This reference material (RM) is produced and certified in accordance with ISO/IEC 17025. This RM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

176.0 °F - Pensky-Martens closed cup

flash_point_c

80 °C - Pensky-Martens closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
BCCC2279

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