Melting point :-55°C
Boiling point :155-156 °C(lit.)
Density :0.858 g/mL at 25 °C(lit.)
vapor pressure :6.9hPa at 20℃
FEMA :2902 | ALPHA-PINENE
refractive index :n20/D 1.465(lit.)
Flash point :90 °F
storage temp. :2-8°C
solubility :Soluble in ethanol;
form :Liquid
color :Clear colorless
Odor :at 10.00 % in dipropylene glycol. fresh camphor sweet pine earthy woody
Odor Type :herbal
Odor Threshold :0.018ppm
Water Solubility :insoluble
Merck :13,7527
JECFA Number :1329
Dielectric constant :2.7（20℃）
Stability :Stable. Flammable. Incompatible with strong oxidizing agents.
LogP :4.46 at 20℃
CAS DataBase Reference :80-56-8(CAS DataBase Reference)
NIST Chemistry Reference :«alpha»-Pinene(80-56-8)
EPA Substance Registry System :.alpha.-Pinene (80-56-8)

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 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term 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. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P331 Do NOT induce vomiting.