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N-Acetyl-D-Glucosamine
Items Standard (United States Pharmacopoeia)
Appearance White crystal without black dots and with good fluidity
Bulk Density NLT 0.45g/ml
Assay 97.5-102.5%
Specific rotation +38.9°—+42.9°
PH 6.0-7.5
Loss on dry NMT 0.5%
Residue on ignition NMT 0.1%
Chloride NMT 0.2%
Melting point 196°-205°
Heavy Metals NMT 10PPM
Iron NMT 10PPM
Lead NMT 0.5PPM
Arsenic NMT 0.5PPM
Mercury NMT 0.5PPM
Organic volatile impurities Meet the requirements
Total Bacteria Count NMT 1000Cfu/g
Yeast & Molds NMT 100Cfu/g
Salmonella Negative
E.Coil Negative
Staphylococcus Aureus Negative

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