Oragnoleptic properties

Specification

Appearance

Clear, colorless or pale yellow amber liquid.

Odour 

Characteristic sweet odour

Solubility

Insoluble in water, soluble 1vol of solute in 3 vol of solvent

Identification: TLC:

                         GC:

Complies with the test

Physical Characteristic

Refractive index @ 20 ^oC

1.455 to 1.492

Specific gravity @ 25 ^oC

0.885 to 0.965

Optical rotation

-22 0  to +22 0

Acid value

NMT 1.00mgKOH/gm

Water content

0.30% Max

Residual solvent

None

Chiral purity

(-)-carvone: maximum 1 per cent.

Chromatographic Analysis:%

Beta carotene

18 to 45