Isovaleric acid 503-74-2 99%
Isovaleric acid Chemical Properties
Melting point -29 °C (lit.)
Boiling point 175-177 °C (lit.)
density 0.925 g/mL at 20 °C (lit.)
vapor pressure 0.38 mm Hg ( 20 °C)
FEMA 3102 | ISOVALERIC ACID
refractive index n20/D 1.403(lit.)
Fp 159 °F
storage temp. Store below +30°C.
solubility 48g/l
pka 4.77(at 25℃)
form Liquid
color Clear colorless to slightly yellow
Specific Gravity 0.928 (20/20℃)
PH 3.1 (10g/l, H2O, 25℃)
explosive limit 1.5-6.8%(V)
Water Solubility 25 g/L (20 ºC)
JECFA Number 259
Merck 14,5231
BRN 1098522
CAS DataBase Reference 503-74-2(CAS DataBase Reference)
NIST Chemistry Reference Butanoic acid, 3-methyl-(503-74-2)
EPA Substance Registry System Isovaleric acid (503-74-2)
Isovaleric acid Basic information
Product Name: Isovaleric acid
Synonyms: 3-METHYLBUTANOIC ACID;3-METHYLBUTYRIC ACID;AKOS BBS-00003796;RARECHEM AL BO 0154;3-Methylbuttersαure;3-methylbutyrate;3-methyl-butyricaci;3-Methyl-n-butyricacid
CAS: 503-74-2
MF: C5H10O2
MW: 102.13
EINECS: 207-975-3
Mol File: 503-74-2.mol
Safety Information
Hazard Codes C,T
Risk Statements 34-24-22
Safety Statements 26-36/37/39-45-38-28A
RIDADR UN 3265 8/PG 2
WGK Germany 1
RTECS NY1400000
F 13
Autoignition Temperature 824 °F
TSCA Yes
HS Code 2915 60 90
HazardClass 6.1
PackingGroup III
Hazardous Substances Data 503-74-2(Hazardous Substances Data)
Toxicity LD50 i.v. in mice: 1120±30 mg/kg (Or, Wretlind)
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