Customization: | Available |
---|---|
CAS No.: | 98-79-3 |
Formula: | C5h7no3 |
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Item | Standard | Results |
Appearance | White crystalline powder | White crystalline powder |
Assay | 98.5% to 100.5% | 99.02% |
Specific rotation(a)D20(C=2, H2O ) | -10.5°to -12.3° | -11.03° |
Chloride(C1) | NMT 0.02% | 0.01% |
Ammonium (NH4) | NMT 0.02% | < 0.02% |
Sulfate (SO4) | NMT 0.02% | 0.01% |
Heavy metals (as Pb) | NMT 10 ppm | <10 ppm |
Iron (Fe) | NMT 10 ppm | 8 ppm |
Arsenic (As2O3) | NMT 1 ppm | <1 ppm |
Loss on drying | NMT 1.0% | 0.35% |
Residue on ignition | NMT 0.1% | 0.08% |
Remarks | Store in well closed container and in dry and cool place |