Melting point :-56 °C (lit.)
Boiling point :228-230 °C (lit.)
Density :0.944 g/mL at 20 °C (lit.)
vapor pressure :5Pa at 25℃
refractive index :n20/D 1.421(lit.)
Flash point :214 °F
storage temp. :Inert atmosphere,Room Temperature
solubility :Chloroform (Slightly), Methanol (Slightly)
form :Liquid
color :Clear colorless to yellow
BRN :1770130
InChIKey :DUCKXCGALKOSJF-UHFFFAOYSA-N
LogP :3.33 at 25℃
CAS DataBase Reference :2082-59-9(CAS DataBase Reference)
EPA Substance Registry System :Pentanoic acid, anhydride (2082-59-9)

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.