Longifolene

(1S,3aR,4S,8aS)-4,8,8-Trimethyl-9- methylenedecahydro-1,4-methanoazulene; C₁₅H₂₄ = 204.4 (475-20-7)

Oily, colourless liquid, practically insoluble in water, miscible with ethanol (96%).

, 0.9319; , 1.5050; , + 42.7; boiling point, 254° to 256°.

Longifolene used in gas chromatography complies with the following additional test.

Assay Gas chromatography, Appendix III B, as prescribed in the monograph Turpentine oil.

Content, minimum 98.0%, calculated by the normalisation procedure.

Low-vapour-pressure hydrocarbons (type L)

Unctuous mass, soluble in benzene and in toluene.