Melting point :−25 °C(lit.)
Boiling point :170-172 °C15 mm Hg(lit.)
Density :0.92 g/mL at 25 °C(lit.)
vapor pressure :0.03-0.08Pa at 20℃
refractive index :n20/D 1.465(lit.)
Flash point :>230 °F
storage temp. :Sealed in dry,Room Temperature
pka :-0.42±0.20(Predicted)
form :clear liquid
color :Colorless to Yellow
Specific Gravity :0.92
Water Solubility :1.14-1.25g/L at 20℃
BRN :1526318
InChIKey :WPPOGHDFAVQKLN-UHFFFAOYSA-N
LogP :4.15 at 20℃
CAS DataBase Reference :2687-94-7(CAS DataBase Reference)
EPA Substance Registry System :N-Octyl-2-pyrrolidone (2687-94-7)

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 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P273 Avoid release to the environment. 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.