Customization: | Available |
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CAS No.: | 1077-28-7 |
Formula: | C8h14o2s2 |
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ITEM | SPECIFICATION |
Appearance | Slightly yellow crystal powder |
Solubility(In NaOH) | Clear and pale yellow |
Melting Point | 60~62ºC |
Specific rotation | -1.0°to +1.0° |
Loss on drying | ≤0.2% |
Residue on Ignition | ≤0.1% |
Loose density | / |
Particle size | 100% pass 40mesh |
Heavy metals | ≤10ppm |
Pb | ≤3ppm |
Cd | ≤1ppm |
Hg | ≤0.1ppm |
Limit of polymer content | ≤2.0% |
Residual of C yclohexane | ≤1000ppm |
Residual of E thyl Acetate | ≤250ppm |
Residual of T oluene | ≤20ppm |
Assay of Alpha Lipoic Acid | 99%~101% |
Single unknown impurity | ≤0.1% |
Total impurities | ≤2.0% |
Total aerobes counts | ≤1000 CFU/g |
Moulds and Yeasts | ≤100 CFU/g |
E.coli/Salmonella | Absence/g |
Staphylococcus aureate | Absence/g |
Package | 25kg/Fiber drum |
Storage condition | Store in a well closed place with constant low temperature and no direct sun light |
Shelf life | Two years when properly stored |