Physical Characteristic

Specification

Appearance

Clear, colourless or pale yellow liquid.

Odor

Characteristic odour.

Identification.

First identification B.

Second identification A.

Complying with test

Thin-layer chromatography

Relative density @ 25°C

0.855 to 0.875.

Refractive index @ 20°C

1.465 to 1.480.

Optical rotation @ 20°C

- 9° to - 30°.

Acid value

Maximum 1.0.

Peroxide value

Maximum 20.

Fatty oils and resinified essential oils

It complies with the test.

Solubility

Miscible with alcohol and with methylene chloride.

Assay by GC

a-pinene

Camphene

b-pinene

car-3-ene

b-myrcene

Limonene

b-phellandrene

p-cymene

terpinolene

bornyl acetate

b-caryophyllene

32.0  to 60.0%

0.5 to 2.0%

5.0 to 22.0%

6.0 to 18.0%

1.5 to 10.0%

7.0 to 12.0%

Max 2.5%

Max 2.0%

Max 4.0%

1.0 to 4.0%

1.0 to 6.0%