3-Carene
Appearance
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IUPAC name
3,7,7-trimethylbicyclo[4.1.0]hept-3-ene
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3D model (JSmol)
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ECHA InfoCard | 100.033.367 |
KEGG | |
PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
C10H16 | |
Molar mass | 136.24 g/mol |
Density | 0.867 g/cm3 |
Boiling point | 168 to 169 °C (334 to 336 °F; 441 to 442 K) at 705 mmHg |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Carene, or delta-3-carene, is a bicyclic monoterpene which occurs naturally as a constituent of turpentine,[1] with a content as high as 42% depending on the source. Carene has a sweet and pungent odor. It is not soluble in water, but miscible with fats and oils.
Health
In higher concentrations, delta-3-carene can be a skin irritant or central nervous system depressant.
Aromas
Aromas attributed to carene include sweet, pine, cedar, woodsy, and pungent.
Natural sources
Natural sources of carene include turpentine (pine extract), rosemary, and cedar.