Pinene
Pinene is a collection of unsaturated bicyclic monoterpenes. Two geometric isomers of pinene are found in nature, α-pinene and β-pinene. Both are chiral. As the name suggests, pinenes are found in pines. Specifically, pinene is the major component of the liquid extracts of conifers. Pinenes are also found in many non-coniferous plants such as camphorweed (Heterotheca) and big sagebrush (Artemisia tridentata).
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IUPAC names
(1S,5S)-2,6,6-trimethylbicyclo[3.1.1]hept-2-ene (1S,5S)-6,6-dimethyl-2-methylenebicyclo[3.1.1]heptane | |
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ChEBI |
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ChemSpider | |
ECHA InfoCard | 100.029.170 |
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Properties | |
C10H16 | |
Molar mass | 136.24 g/mol |
Appearance | Liquid |
Density | 0,86 g·cm−3 (alpha, 15 °C) |
Melting point | −62 to −55 °C (−80 to −67 °F; 211 to 218 K) (alpha) |
Boiling point | 155 to 156 °C (311 to 313 °F; 428 to 429 K) (alpha) |
Practically insoluble in water | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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