English name: Isovaleric acid
CAS Number: 503-74-2
Molecular formula: C5H10O2
Molecular weight: 102.13
EINECS number: 207-975-3
MDL No. : MFCD00002726
Stats
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)
FEMA3102 | ISOVALERIC ACID
Refractive index n20/D 1.403(lit.)
Flash point 159 °F
Storage conditions Store below +30°C.
Solubility 48g/l
Liquid form
Acidity coefficient (pKa)4.77(at 25℃)
Specific gravity 0.928 (20/20℃)
Clear colorless to slightly yellow
PH 3.92(1 mM solution); 3.4(10 mM solution); 2.89(100 mM solution);
Odor at 1.00 % in propylene glycol. sour stinky feet sweaty cheese tropical
It's cheesy
explosive limit 1.5-6.8%(V)
Water solubility 25 g/L (20 ºC)
JECFA Number259
Merck14, 5231
BRN1098522
LogP1.7 at 25 ° C
Safety information
GHS hazard pictograms GHS Hazard pictograms
GHS05
Danger
Hazard Description H314
Precautions P280-P301+P330+P331-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363
Dangerous Goods Mark C,T
Hazard category code 34-24-22
Safety Instructions 26-36/37/39-45-38-28A
Dangerous Goods Transport No. UN 3265 8/PG 2
WGK Germany1
RTECS number NY1400000
F13
Spontaneous combustion temperature 824 °F
TSCAYes
Customs Code 2915 60 90
Danger level 6.1
Packaging Category III
Toxicity LD50 i.v. in mice: 1120±30 mg/kg (Or, Wretlind)
China
