Appearance: white crystalline powder
MP: 133-136℃
Assay: 99.5% min. ( chemical titration)
Loss on drying : 0.5% max.
Sulfate: 0.02% max.
Chloride: 0.05% max.
Residue on ignition : 0.10% max.
Heavy metal: 15ppm Max.

Package: 25kg fibre drum