Oragnoleptic properties

Specification

Appearance

Clear, colorless or yellow liquid.

Odour 

Strong aromatic odor.

Solubility

Soluble in 3 N hydrochloric acid and in 2 N nitric acid; practically

insoluble in water; insoluble in

alcohol.

Identification: TLC:

                         GC:

Complies with the test

Physical Characteristic

Refractive index @ 20 ^oC

1.484 to 1.488

Specific gravity @ 25 ^oC

0.900 to 0.910

Optical rotation

(+)70 to (+)80

Acid value

NMT 1.00mgKOH/gm

Water content

0.30% Max

Residual solvent

None

Chiral purity

(-)-carvone: maximum 1 per cent.

Chromatographic Analysis:%

• limonene

• carvone

30 to 45

50 to 65