| Customization: | Available |
|---|---|
| CAS No.: | 72-19-5 |
| EINECS: | 200-774-1 |
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| ITEM | STANDARD |
| Apperance | White Crystalline powder |
| Identification | Meets the requirements |
| Assay % | 98.5-101.5 |
| Lead ≤ mg/kg | 5 |
| Loss on Drying ≤ % | 0.2 |
| Specific rotation[a]D20° | -26.5°~ -29.0° |
| Residue on Ignition ≤ % | 0.1 |
| ITEM | STANDARD |
| Appearance | White or sandy beige crystal powder, no obvious purity |
| Identification | Corresponds to standard |
| C4H9NO3 Content(dry basis) ≥% | 98.5 |
| Specific Rotation [a] D20 | -25.0°- -29.0° |
| Loss on drying ≤ % | 0.5 |
| Residue on Ignition ≤% | 0.5 |
| Arsenic (As AS) ≤Mg/Kg | 2.0 |
| Heavy Metals(As Pb) ≥ Mg/Kg | 30 |
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