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Pinene

Pinene
Pinene
Product Description

Pinene (C10H16) is a bicyclic monoterpene chemical compound.[1]There are two structural isomers of pinene found in nature: α-pineneand β-pinene. As the name suggests, both forms are important constituents of pine resin; they are also found in the resins of many other conifers, as well as in non-coniferous plants such as camphorweed (Heterotheca)[3] and big sagebrush (Artemisia tridentata). Both isomers are used by many insects in their chemical communication system. The two isomers of pinene constitute the major component of turpentine.

Usage

In chemical industry, selective oxidation of pinene with some catalysts gives many compounds for perfumery, such as artificial odorants. An important oxidation product is verbenone, along with pinene oxide, verbenol, and verbenyl hydroperoxide.

 

Identifiers

CAS Number

  • 80-56-8

  • 7785-70-8(1R-α)

  • 7785-26-4(1S-α)

  • 2437-95-8((±)-α)

  • 18172-67-3(β)

ECHA InfoCard

100.029.170

Properties

Chemical formula

C10H16

Molar mass

136.24 g/mol

Appearance

Liquid

Density

0,86 g·cm−3(alpha, 15 °C)[1][2]

Melting point

−62 to −55°C (−80 to −67°F; 211 to 218K) (alpha)[1]

Boiling point

155 to 156°C (311 to 313°F; 428 to 429K) (alpha)[1]

Solubility in water

Practically insoluble in water

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