Home Categories Chemical Reagents α-Pinene
A6844412

α-Pinene , 98% , 80-56-8

Synonym(s):
α-Pinene;(±)-2-Pinene;2,6,6-Trimethylbicyclo[3.1.1]hept-2-ene;alpha-Pinene

CAS NO.:80-56-8

Empirical Formula: C10H16

Molecular Weight: 136.23

MDL number: MFCD00001339

EINECS: 201-291-9

Update time: 2022-07-08

PRODUCT Properties

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℃

Description and Uses

Alpha-pinene is the major constituent of turpentine (about 80%). It exists as a levogyre form in European turpentines, and as a dextrogyre form in turpentines found in North America. Sensitization mainly occurs in painters, polishers and varnishers, and in those in the perfume and ceramics industry.

Reference Standard in the analysis of herbal medicinal products

Safety

Symbol(GHS) 
GHS02,GHS07,GHS08,GHS09
Signal word  Danger
Hazard statements  H226-H304-H315-H317-H410
Precautionary statements  P210-P273-P280-P301+P310-P303+P361+P353-P331
Hazard Codes  Xi,N,Xn,F
Risk Statements  10-36/37/38-43-50-65-51/53-38-36/38-20
Safety Statements  26-36/37-61-37/39-29-16-36/37/39-7/9-62
RIDADR  UN 2368 3/PG 3
WGK Germany  1
RTECS  DT7000000
Autoignition Temperature 491 °F
HazardClass  3.2
PackingGroup  III
HS Code  29021990

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