Physical Characteristic

Specification

Appearance

Mobile, colourless to yellowish liquid,

Odor

characteristic odour.

Identification Second identification A.

First identification B.

Complying with test

Thin-layer chromatography

Relative density @ 25°C

0.857 to 0.876.

Refractive index @ 20°C

1.471 to 1.483.

Optical rotation @ 20°C

- 15° to - 0.5°.

Fatty oils and resinified essential oils

It complies with the test.

Acid value

Maximum 1.0

Peroxide value

Maximum 20.

Solubility

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

Assay by GC

a-pinene

b-pinene

sabinene

b-myrcene

b-phellandrene

Limonene

terpinen-4-ol

bornyl acetate

b-caryophyllene

20.0 to 50.0%

1.0 to 12.0%

Max 20.0%

1.0 to 35.0%

Less than 1.0%

2.0 to 12.0%

0.5 to 10.0%

Less than 2.0%

Less than 7.0%