Appearance: Off-white crystalline powder
Assay: 98.0% ~ 102.0%
Loss on drying: 0.5%max
Melting point: 145℃~ 155℃
Single impurity: 0.1 %max
Total impurities: 0.2 % max
Residue on ignition: 0.2% max
Package: 25kg/fibre drum
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