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.)
FEMA :3102 | ISOVALERIC ACID
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);
Odor :at 1.00 % in propylene glycol. sour stinky feet sweaty cheese tropical
Odor Type :cheesy
explosive limit :1.5-6.8%(V)
Water Solubility :25 g/L (20 ºC)
Merck :14,5231
JECFA Number :259
BRN :1098522
Dielectric constant :2.6（20℃）
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)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
Precautionary statements:	P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P363 Wash contaminated clothing before reuse.