Physical Characteristic

Specification

Appearance

Clear, yellow liquid, which becomes brown when exposed to air.

Odor

very strong odour of citronellal.

Identification Second identification A.

First identification B.

Complying with test

Thin-layer chromatography

Relative density @ 25°C

1.030 to 1.063.

Refractive index @ 20°C

1.528 to 1.537.

Optical rotation @ 20°C

0° to - 2°.

Fatty oils and resinified essential oils

It complies with the test.

Acid value

Maximum 1.0

Solubility

Miscible with methylene chloride, with toluene and with fatty oils.

Assay by GC

b-caryophyllene

eugenol

acetyleugenol

5.0 to 14.0%

75 to 88.0%

4.0 to 15.0%