| ITEMS | STANDARD |
| Purity % | 98.0%-102.0% |
| Identification | A. IR spectrum obtained with sample corresponds to that obtained with reference. |
| B. The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay. | |
| C. GC: Positive | |
| DMSO Content | ≤ 0.1 |
| Appearance | White Crystalline Powder |
| Odor | Odorless |
| Melting Point ºC | 108.5-110.5 |
| Bulk Density | ≥0.65 |
| Mesh size | 60-80MESH |
| Water Content | 0.10%Max |
| Heavy Metal(as bp)s : PPM | 3ppmMax |
| Any Other Individual Impurity | ≤ 0.05% |
| Total Impurity | ≤ 0.20% |
| Residual Solvents | Free |
| Residue on Ignition% | <0.10 |
| Coliform(CFU/g) | Negative |
| E.Coli(CFU/g) | Negative |
| Yeast/Mold(CFU/g) | <10 |
| Salmonella | Negative |
| Standard Aerobic Plate Count(CFU/g) | <10 |
| Solubility | Freely soluble in water, in methanol, in alcohol, and in acetone. Sparingly soluble in ether. |