C A S # ：1077-28-7
Molecular formula：C8H14O2S2
Molecular weight ：206.33
Structural formula：
Uses： . vitamin drug for liver disease, diabetes and health care
Spec： see analysis report
Property： light yellow powdery crystal
Cautions： Sealed, stored in dry, cool, airiness and dark place.
Packing：5kg/25kg in PE bag and kraft bag lined carton .
| Item |
Value |
| Property |
light yellow powdery crystal |
| identification |
Its acetate is positive reaction in UV test |
| Solubility(NaOH+H2O) |
light yellow |
| clear liquid |
|
| Melting point |
60-62ºC |
| Heavy metals |
10ppm max |
| Loss on dry |
0.50% max |
| Chloride |
0.07% max |
| residue on ignition |
0.10% max |
| relative substance |
| 6,8-thioctic acid |
0.20% max |
| Impurity |
0.10% max |
| Total impurities |
0.50% max |
| Residual solvent |
| hexamethylene |
500ppm max |
| ethyl acetate |
250ppm max |
| toluene |
20ppm max |
| aerobic bacteria |
1000CFU/g |
| mould & yeast |
100CFU/g |
| colon bacillus/ salmonella |
Absence/g |
| staphylococcus aureus |
Absence/g |
| Assay |
99%-101% |
|
