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Appearance White crystalline powder
Content 99-101%
Purity 98.5% min
Moisture 0.5% Max
Specific rotation +18.5 - +1.95
Melting point 147 deg. C min
Acidity 0.2ml Max
Residue on ignition 0.05% Max
As 1ppm Max
Heavy metals 5mg/kg Max.