By certification 
Appearance White crystal conforms
Loss on Drying Not more than 0.50% 0.36%
Melting Point (°C) 140 to 146°C 142°C
Assay Not less than 98.5% 98.9%
PH 2.8-3 2.9
Loss on Drying Not more than 0.50% 0.36%
Melting Point (°C) 140 to 146°C 142°C
Assay Not less than 98.5% 98.9%
PH 2.8-3 2.9
