Physical Characteristic

Specification

Appearance

Greenish, or yellow to reddish orange liquid

Odor

characteristic odour.

Identification.

First identification B.

Second identification A.

Complying with test

Thin-layer chromatography

Relative density @ 25°C

0.848 to 0.855.

Refractive index @ 20°C

1.474 to 1.478.

Optical rotation @ 20°C

+ 64° to + 75°.

Fatty oils and resinified essential oils

It complies with the test.

Residue on evaporation

1.6 to 4.0%

Solubility

It is soluble in 5 volumes of ethanol (70 per cent V/V)

Assay by GC

a-pinene

sabinene

b-pinene

b-myrcene

p-cymene

imonene

g-terpinene

methyl N-methylanthranilate

1.6 to 3.0%

Less than 0.3%

1.2 to 2.0%

1.5 to 2.0%

Max 0.1%

65 to 75.0%

16 to 22.0%

0.3 to 0.6%