|
Oragnoleptic properties
|
Specification
|
|
Appearance
|
Clear to colourless pale yellow liquid
|
|
Odour
|
Characteristic aromatic spicy odor and reminiscent of thymol
|
|
Solubility
|
Insoluble in water, soluble 1 vol. of solute in 3vol. of solvent (96%)
|
|
Physical Characteristic
|
|
|
Refractive index @ 20 oC
|
1.484 to 1.550
|
|
Specific gravity @ 25 oC
|
0.935 to 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 USP
|
|
Water content
|
0.20% Max
|
|
Acidity
|
As per USP
|
|
Congealing point
|
48°C to 52°C
|
|
Chromatographic Analysis:%
Thymol content
|
99 Min
|
