Purity: (same/more than) 98.5%
Appearance: White crystalline powder
pH: 5.4-6.0
Specific Rotation (C=2, H2O): -32.7 degrees to -34.7 degrees
Heavy Metals (Pb): (same/less than) 0.002%
Arsenic: (same/less than) 0.0003%
Loss on Drying: (same/less than) 0.3%
Residue on Ignition: (same/less than) 0.1%
Endotoxin(same/less than) 0.5EU/mg