Melting point :8-10 °C
Boiling point :82-83 °C11 mm Hg(lit.)
Density :1.055 g/mL at 20 °C(lit.)
FEMA :3871 | 4-METHYL-2-OXOPENTANOIC ACID
refractive index :n20/D 1.431
storage temp. :2-8°C
solubility :DMF: 30 mg/ml; DMSO: 30 mg/ml; Ethanol: 30 mg/ml
form :clear liquid
pka :2.65±0.54(Predicted)
color :Colorless to Yellow
Odor :fruity
Odor Type :fruity
Water Solubility :Soluble in water.
JECFA Number :633
BRN :1701823
LogP :0.17
CAS DataBase Reference :816-66-0(CAS DataBase Reference)
NIST Chemistry Reference :4-Methyl-2-oxovaleric acid(816-66-0)
EPA Substance Registry System :.alpha.-Ketoisocaproic acid (816-66-0)

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. 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. P405 Store locked up.