Appearance (Colour)
White or pale yellow
Appearance (Form)
Powder or Crystals
Solubility
Freely soluble in water giving an opalescent solution,partly soluble in ethanol (96%)
Identification
A) 0.1g in 10ml water form copious foam
B) By chemical method
C) By chemical method
D) By chemical method
Alkalinity
NMT 0.5 ml of 0.1M HCl
Non-esterified alcohols
max 4.0%
Sodium chloride + Sodium sulphate
max 8.0%
Assay
min 85.0%
Reference
BP 2020
