Physical Characteristic

Specification

Appearance

A clear, colourless or pale yellow liquid,

Odor

odour, characteristic of the

crushed fruit.

Identification Second identification A.

First identification B.

Complying with test

Thin-layer chromatography

Relative density @ 25°C

0.895 to 0.910 g,

Refractive index @ 20°C

1.481 to 1.492,

Optical rotation @ 20°C

+70° to +80°,

Fatty oils and resinified essential oils

It complies with the test.

Acid value

Maximum 3.0

Solubility

Soluble, at 20°, in 1 volume or more of ethanol (90%) and in 10 volumes or more of ethanol

(80%),

Assay by GC

D carvone

43.0 to 63.0%