Customization: | Available |
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CAS No.: | 58-85-5 |
Formula: | 58-85-5 |
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Package | carton drum with two plastic bags inside |
Net weight | 25KG/Drum |
Storage | Sealed in cool and dry place to avoid moisture and light |
Shelf life | 2 years when properly stored |
Lead time | 1~3 days after confirmation |
Item | Specification | |
Appearance | White or off-white crystalline powder | |
Identification | IR | Consistent with the reference substance |
Bromine water fading test | Fades bromine water | |
Retention time | Should be consistent with the retention time of the main peak of the standard solution | |
Assay (C10H16N2O3S, on dried basis) |
97.5%~101.0% | |
Loss on drying | ≤0.5% | |
Specific rotation | +89°to +93° | |
Melting point | 229ºC~232ºC | |
Impurity | Individual impurity≤1.0% | |
Total impurities≤2.0% | ||
Solution clarity | Should be clear | |
Residue on ignition | ≤0.1% | |
Heavy metals (As Pb) | ≤10mg/kg | |
As | ≤2mg/kg | |
Total plate count | <1000CFU/G | |
Yeast and mold | <100 CFU/G | |
Salmonella | Negative (25g) | |
E.Coli | Negative (25g) |