Oragnoleptic properties

Specification

Appearance

Clear, colorless or pale yellow amber liquid.

Odour 

Characteristic , spicy odour

Solubility

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

Physical Characteristic

Refractive index @ 20 ^oC

1.475 to 1.525

Specific gravity @ 25 ^oC

0.970 to 0.985

Optical rotation

+0.5 to -0.5

Acid value

NMT 1.00mgKOH/gm

Water content

0.30% Max

Residual solvent

None

Chiral purity

(-)-carvone: maximum 1 per cent.

Chromatographic Analysis:%

Carvacrol

99.0 min