Melting point :-64 °C(lit.)
alpha :-41.5 º (c=neat)
Boiling point :156-158 °C(lit.)
Density :0.874 g/mL at 25 °C
vapor density :4.7 (vs air)
vapor pressure :~3 mm Hg ( 20 °C)
FEMA :2902 | ALPHA-PINENE
refractive index :n20/D 1.466
Flash point :90 °F
storage temp. :Store at +2°C to +8°C.
solubility :Chloroform (Sparingly), Methanol (Slightly)
form :Liquid
color :Clear colorless
Odor :at 10.00 % in dipropylene glycol. sharp warm resinous fresh pine
Odor Type :herbal
explosive limit :0.8%(V)
optical activity :[α]22/D 42°, neat
Water Solubility :INSOLUBLE
Merck :14,7445
JECFA Number :1329
BRN :1903790
InChIKey :GRWFGVWFFZKLTI-UHFFFAOYSA-N
LogP :4.48 at 37℃
CAS DataBase Reference :7785-26-4(CAS DataBase Reference)
NIST Chemistry Reference :(1s)-2,6,6-Trimethylbicyclo[3.1.1]hept-2-ene(7785-26-4)
EPA Substance Registry System :2-Pinene, (1S,5S)-(-)- (7785-26-4)

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 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 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.