
Molecular formula: (C6H14NO5)2SO4.2KCL
Molecular weight: 605.52
This product is a white granular powder with good fluidity, odorless, soluble in water, and insoluble in organic solvents such as ethanol and propanol.
| Test Items | USP 40 Standard specifications |
| Appearance | White crystalline powder |
| Solubility | Soluble in water |
| Assay (drying basis) | 98%~102% |
Identification | A.Infrared Absorption B: Identification tests-General,Chloride and Potassium: meets the requirements C: The retention time of the glucosamine peak of the sample solution corresponds to that of the standard solution,as obtained in the Assay. D: Sulfate:In the test for Content of Sulfate,after the addition of barium chloride TS a white precipitate is formed. |
| Specification Rotation | 47°- 53° |
| PH value(2%.25°) | 3.0~5.0 |
| Loss on drying | ≤1.0% |
| Residue on Ignition | 26.5%~31.0% |
| Sulfate | 15.5%-16.5% |
| Chloride | 11.1%-12.8% |
| Sodium | Meet requirement |
| Heavy metal | ≤10ppm |
| Arsenic | ≤3μg/g |
| Lead | ≤3ppm |
| Cadmium | ≤1ppm |
| Mercury | ≤0.1ppm |
| Mesh size | 80 mesh |
| Residue of Ethanol | ≤5000ppm |
| Bulk density | ≥0.5g/ml |
| Microbial Limits | |
| Totalaerobicmicrobial count | ≤1000cfu/g |
| Yeast Mold | ≤100cfu/g |
| E-Coli | Negative |
| Salmonella | Negative |












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