Appearance White or off white crystalline powder
Identification IR
Loss on drying 1.0% max
Melting range 146℃~151℃
Heay metals 20ppm max
Residue on ignition 0.2% max
Assay 99% min
Appearance White crystalline powder
Assay(as C4H7Cl3O.1/2H2O) 98.5%min
Melting point 76-78℃
Residue on ignition(as sulfate) 0.1% max
Chloride 0.005% max
Solution in ethanol Pass
Acidity Pass