Physical Characteristic

Specification

Appearance

Colourless or pale yellow liquid.

Odor

Aromatic and camphoraceous odour, pungent and camphoraceous taste.

Identification Second identification A.

First identification B.

Complying with test

Thin-layer chromatography

Relative density @ 25°C

0.906 to 0.927.

Refractive index @ 20°C

1.458 to 1.470.

Optical rotation @ 20°C

0° to + 10°.

Fatty oils and resinified essential oils

It complies with the test.

Acid value

Maximum 1.0

Solubility

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

Assay by GC

a-pinene

b-pinene

sabinene

a-phellandrene

Limonene

1,8-cineole

Camphor

0.0 to 9.0%

Max 1.5%

Max 0.3%

less than 1.5%

0.0 to 12.0%

Min 70.0%

less than 0.1%