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Camphene

Camphene

IUPAC name	2,2-dimethyl-3-methylene- bicyclo[2.2.1.]heptane
Identifiers
CAS number	79-92-5
SMILES	CC1(C)C(C2CCC1C2)=C
Properties
Molecular formula	C₁₀H₁₆
Molar mass	136.24 g/mol
Density	0.842 g/cm³
Melting point	51-52 °C
Boiling point	159 °C
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Camphene is bicyclic monoterpene. It is nearly insoluble in water, but well soluble in common organic solvents. It volatilizes readily at room temperature and has a pungent smell. It is a minor constituent of many essential oils such as turpentine, cypress oil, camphor oil, citronella oil, neroli, ginger oil, and valerian. It is produced industrially by catalytic isomerization of the more common alpha-pinene. Camphene is used in the preparation of fragrances and as a food additive for flavoring. Its mid-19th century use as a fuel for lamps was limited by its explosiveness.