Oragnoleptic properties

Specification

Appearance

Clear to colourless pale yellow liquid

Odour 

Colorless, transparent or white crystal with ajowain odor

Solubility

Insoluble in water, soluble 1 vol. of solute in 3vol. of solvent (96%)

Physical Characteristic

Refractive index @ 20 ^oC

1.515 – 1.550

Specific gravity @ 25 ^oC

0.935 – 0.985

Residue on evaporation

Not more than 1.0 mg (0.05 per cent).

Acid value

NMT 2.00mgKOH/gm

Appearance of solution

As per BP

Water content

0.20% Max

Acidity

As per BP

Congealing point

48°C to 52°C

Chromatographic Analysis:%

Thymol content

 99 Min