English 
English  |
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Item Specification
| Item | Index |
| Appearance | Flake, columnar, or acicular crystals of white or light yellow luster |
| Purity % | ≥99.00 |
| Loss on heating% | ≤0.40 |
| Ash % | ≤0.10 |
| water insoluble % | ≤0.02 |
| Sulforhodanide(with CNS-) % | ≤0.02 |
| Melting Point | ≥171℃ |
Application
The manufacture of sulfonamides, dyes, resins, compression powders, vulcanization accelerators for rubber, flotation agents for metal minerals, etc.:
1. Used in the production of drugs. Rubber industry is used as vulcanization accelerator. It is used as flotation agent in mining industry. It can also be used as fabric and paper treatment agent, printing and dyeing assistant..。
2. Used in Strong denaturant, increasing solubility and recovery of protein.
3. Used in modification of starch, production of binders and coating materials.
4. Desizing agent and bleach activator.
5. Reducing agent. Precipitators for lead, thallium and cadmium. Verification and determination of bismuth, starvation, ruthenium, selenium, lead, tellurium, palladium and selenite. Organic synthesis, preparation of mercaptan from halogens.
