Appearance (Colour)
White
Appearance (Form)
Odourless crystalline powder
Solubility
Freely soluble in water,very slightly soluble in alcohol and ether
Identification (IR Spectrum)
A) Complies
Assay (On dry basis)
98.5 – 101.5%
Residue on ignition
NMT 0.1%
Chloride (CI)
NMT 0.007%
Sulphate (SO4)
NMT 0.0065%
Loss on drying
NMT 0.2% at 105 °C for 2 hrs.
Related impurities
Any impurity : max 0.1%
Total impurities : max 1%
Reference
USP 44
