Appearance (Colour)
White
Appearance (Form)
Crystalline powder
Solubility
Freely soluble in water
Identification Test
A) By Infrared absorption
B) By Chemical test
C) By Chemical test
Assay (On dry basis)
99 – 101%
Residue on ignition
max. 0.1%
Melting Point
168 – 172°C
pH (5% aq. solution)
10.0 -11.5
Loss on drying
max. 1.0%
Reference
USP 44
