β-Pinene
6,6-Dimethyl-2-methylenebicyclo[3.1.1]heptane; C10H16 = 136.2 (127-91-3)
A colourless, oily liquid, odour reminiscent of turpentine, practically insoluble in water, miscible with ethanol (96%).
β-Pinene used in gas chromatography complies with the following test.
Assay Examine by gas chromatography (2.2.28) as prescribed in the monograph Bitter-orange-flower oil (1175), using the substance to be examined as the test solution.
Content, minimum 99.0%.