| Color | White |
| Form | Crystalline powder |
| Assay (dry basis) | (IMP+GMP): 97.0-102.0% |
| pH Value | 7.0-8.5 (5% solution) |
| Appearance of Solution | Clear and colorless |
| Transmissivity | ≥ 95.0% |
| Loss on Drying | ≤ 25.0% |
| Heavy Metals | ≤ 10 ppm (as Pb) |
| Arsenic (As) | ≤ 1 ppm |
| Lead (Pb) | ≤ 1 ppm |
| Ammonium (NH4) | Color of litmus paper unchanged |
| Aerobic Plate Count | < 1000 cuf/g |
| Yeast and Moulds | ≤ 100 cfu/g |
| Salmonella | Negative |
| Escherichia. Coli | Negative |
| Coliform | Negative |
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