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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)
refractive index  n20/D 1.403(lit.)
Flash point 159 °F
storage temp.  Store below +30°C.
solubility  48g/l
form  Liquid
pka 4.77(at 25℃)
color  Clear colorless to slightly yellow
Specific Gravity 0.928 (20/20℃)
PH 3.92(1 mM solution);3.4(10 mM solution);2.89(100 mM solution);
explosive limit 1.5-6.8%(V)
Water Solubility  25 g/L (20 ºC)
Merck  14,5231
JECFA Number 259
BRN  1098522
LogP 1.7 at 25℃
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)

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
Autoignition Temperature 824 °F
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)


Usage And Synthesis

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