Melting point :−62 °C(lit.)
Boiling point :155-156 °C(lit.)
Density :0.858 g/mL at 20 °C(lit.)
vapor pressure :5 hPa (25 °C)
FEMA :2902 | ALPHA-PINENE
refractive index :n20/D 1.465(lit.)
Flash point :91 °F
storage temp. :Store at +2°C to +8°C.
form :Liquid
color :Clear colorless
Odor :at 10.00 % in dipropylene glycol. harsh terpene aromatic minty
Odor Type :herbal
optical activity :[α]22/D +47.1°, neat
explosive limit :0.8-6%(V)
Water Solubility :Soluble in Ether, Alcohols, Chloroform. Not miscible in water.
JECFA Number :1329
Merck :14,7445
BRN :3648264
Dielectric constant :2.7（20℃）
InChIKey :GRWFGVWFFZKLTI-UHFFFAOYSA-N
LogP :4.44-4.46 at 20-37℃
CAS DataBase Reference :7785-70-8(CAS DataBase Reference)
EPA Substance Registry System :Bicyclo[3.1.1]hept-2-ene, 2,6,6-trimethyl-, (1R,5R)- (7785-70-8)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water.