(±)-α-Pinene
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(±)-α-Pinene
structure -
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CAS No:
80-56-8
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Formula:
C10H16
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Chemical Name:
(±)-α-Pinene
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Synonyms:
Bicyclo[3.1.1]hept-2-ene,2,6,6-trimethyl-;2-Pinene;2,6,6-Trimethylbicyclo[3.1.1]hept-2-ene;α-Pinene;PC 500;(±)-2-Pinene;(±)-α-Pinene;PC 500 (terpene);Acintene A;NSC 7727;Sylvapine A;alpha-Pinene;Leavo 95;2437-95-8
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CAS No:
Description
α-Pinene is the most widespread pinene isomer. (+)-α-Pinene, (1R,5R)-2,6,6-trimethylbicyclo[3.3.1]hept-2-ene, occurs, for example, in oil from Pinus
palustris Mill., at a concentration up to 65%; oil from Pinus pinaster Soland and
American oil from Pinus caribaea contain 70% and 70–80%, respectively, of the
laevorotatory isomer, (?)-α-Pinene, (1S,5S)-2,6,6-trimethylbicyclo[3.3.1]hept-2-ene.
α-Pinene undergoes many reactions, of which the following are used in the fragrance
industry: upon
Characteristics
0
2.99870
Alpha-pinene appears as a clear colorless liquid with a turpentine odor. Flash point 91°F. Less dense than water and insoluble in water. Vapors are heavier than air. Used as a solvent.
0.8592 g/cm3 @ Temp: 20 °C
-62.5 °C
156 °C @ Press: 2760 Torr
38ºC
1.465-1.467
H2O: insoluble
Flammables area
10 mmHg at 99.1°F
4.7
Pinene explodes sharply on contact with organic materials.
CHARACTERISTIC ODOR OF PINE
Safety Information
III
3.2
UN 2368
1
R10; R36/37/38; R51/53; R65
S16-S26-S29-S37/39-S61
DT7000000
Xn
Stable. Flammable. Incompatible with strong oxidizing agents.
P280-P301 + P310-P331
H226-H304-H315-H317
(±)-α-Pinene Use and Manufacturing
1. 伪-Pinene was used as standard in headspace solid-phase microextraction-gas chromatographic analysis of volatile compounds in virgin olive oils 1 . It was used in the synthesis of cesium-doped heteropolyacid having potential application in biodiesel synthesis.
2. 伪-Pinene was used as standard in headspace solid-phase microextraction-gas chromatographic analysis of volatile compounds in virgin olive oils. It was used in the synthesis of cesium-doped heteropolyacid having potential application in biodiesel synthesis
Computed Properties
Molecular Weight:136.23
XLogP3:2.8
Exact Mass:136.125200510
Monoisotopic Mass:136.125200510
Heavy Atom Count:10
Complexity:186
Undefined Atom Stereocenter Count:2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
Drug Function and Efficacy
It can increase the secretion volume of the mouse trachea segment, improve the cilia movement of the tracheal mucosa, promote the secretion of respiratory glands, and increase the speed of mucus movement, which helps to discharge sputum; it can prolong the latent period of cough in guinea pigs; it has anti-inflammatory effects and can relax the bronchi by reducing the swelling of the bronchial mucosa.
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