Customization: | Available |
---|---|
CAS No.: | 6915-15-7 |
Formula: | C4h6o5 |
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Items |
Standard |
Result |
Appearance | White crystalline powder | Complies |
Assay | ≥99.0% | 99.32% |
Specific rotation | -1.6~ -2.6° | -2.0° |
Sulfate | ≤0.02% | Complies |
Chloride | ≤0.002% | Complies |
Arsenic | ≤2PPM | Complies |
Heavy metals | ≤10PPM | Complies |
Lead | ≤2PPM | Complies |
Fumaric acid | ≤0.5% | ≤0.05% |
Maleic acid | ≤0.05% | ≤0.01% |
Residue on ignition | ≤0.1% | 0.03% |
Conclusion | The product complies enterprise standard |