English name: Isovaleric acid
CAS number: 503-74-2
Molecular formula: C5H10O2
Molecular weight: 102.13
EINECS number: 207-975-3
MDL No.:MFCD00002726
attribute
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.)
FEMA3102 | ISOVALERIC ACID
Flash point 159 ° F
Storage conditions Store below+30 ° C
Solubility 48g/l
Form Liquid
Acidity coefficient (pKa) 4.77 (at 25 ℃)
Specific gravity 0.928 (20/20 ℃)
Clear colors 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
Fragrant Cheesy
Explosive limit 1.5-6.8% (V)
Water solubility 25 g/L (20 º C)
Merck14,5231
JECFA Number259
BRN1098522
Dielectric constant 2.6 (20 ℃)
LogP1.7 at 25℃