Appearance (Clarity)
Clear
Appearance (Colour)
Colourless
Appearance (Form)
Liquid
Colour (APHA)
max. 10
Solubility
0.1gm in 100ml of water at 20°C
Assay (GC)
min. 99.5%
Density (g/ml) @ 20°C
0.878 - 0.879
Refractive Index (20°C)
1.499 - 1.501
Boiling Range
80 - 81°C
Freezing Point
5°C
Non Volatile Matter
max. 0.001%
Thiophene (C4H4S)
max. 0.0001%
Substance Discoloured by H2SO4
Passes test
Sulphur Compound (S)
max. 0.005%
Water (KF)
max. 0.05%
Absorbance of sample in 1cm cell v/s H2O
@280nm
max. 1.00
@290nm
max. 0.30
@300nm
max. 0.10
@330nm
max. 0.04
@350nm
max. 0.02
@380-400nm
max. 0.01
