Physical Characteristic

Specification

Appearance

Clear, colourless or yellow liquid.

Odor

characteristic carvone odour.

Identification Second identification A.

First identification B.

Complying with test

Relative density @ 25°C

0.904 to 0.920.

Refractive index @ 20°C

1.484 to 1.490.

Optical rotation @ 20°C

+ 65° to + 81°.

Acid value

Maximum 1.0

Solubility

Soluble in ethanol 95%

Assay by GC

b-myrcene

Limonene

trans-dihydrocarvone

carvone

trans-carveol

0.10  to 1.0%

30.0 to 45.0%

Max 2.5%

50 to 65%%

Max 2.5%