| Items | Specification |
| Appearance | White powder crystal |
| Assay | 60% min |
| Iron(Fe) | 10ppm max |
| Loss on drying | 10% max |
| Residue
on ignition(sulfated) |
0.50% max |
| Heavy meatl(Pb) | 20ppm max |
| S | 0.05% max |
In cold-waving of hair; as depilatory; in bacteriology for the preparation of thioglycolate media; as analytical reagent, see Thioglycolic Acid.
Packaging:1kg/bag,25kg/drum or as your requirement
Shipping:It can be according to the customer’s request
Normal temperature preservation