Appearance White crystalline powder Visual
Assay 98%min HPLC-E
Odor Characteristic Organoleptic
Powder size 100% through 30mesh 30mesh screen
Bulk density 0.40-0.50g/cm3 USP34-NF29<616>
Loss on drying 13%-17% USP34-NF29<731>
Melting point 78-82℃ USP34-NF29<741>
Optical Rotation 103-108。 USP34-NF29<781>
PH 5.50-6.50 USP34-NF29<791>
Residue on ignition 0.1% max USP34-NF29<281>
Residue Ethanol 0.5% max USP34-NF29<467>
Total heay metals 10μg/g max USP34-NF29<231>
As 2μg/g max ICP-MS
Cd 2μg/g max ICP-MS
Pb 2μg/g max ICP-MS
Hg 0.5μg/g max ICP-MS
Total plate count 1000cfu/g max USP34-NF29<2021>
Molds and Yeasts 100cfu/g max USP34-NF29<2021>
Salmonella Absence USP34-NF29<2022>
E.Coli Absence USP34-NF29<2022>
Staphylococcus aureus Absence USP34-NF29<2022>