- Alkali[10]
- Oxide[2]
- Carbonate[10]
- Organic Salt[3]
- Inorganic Acids[10]
- Chemical Auxiliary Agent[5]
- Chloride[10]
- Organic Acid[6]
- Organic Intermediate[3]
- Polymer[2]
- Feed Additives[10]
- Fire Extinguisher Powder[10]
- Sulphate[10]
- Phosphate[4]
- Nitrate[10]
- Silicate[2]
- Food Additives[1]
- Contact Person : Mr. CHENG JORDAN
- Company Name : Changsha Green Mountain Chemical Co., Ltd.
- Tel : 86-731-84425162
- Fax : 86-731-84429162
- Address : Hunan,CHANGSHA,RM 205 BLDG 1-1,HEYAN DEVELOPMENT DISTRICT ,FURONG DISTRICT ,CHANGSHA
- Country/Region : China
Ammonium thiosulphate
3. Molecular formula: (NH4)2S2O34. CAS NUMBER: 7783-18-85. Molecular weight:148.206. Properties:. Colorless transparent liquid or white crystal. Relative density of crystal: 1.679,easily soluble in water,insoluble in alcohol, ether,slightly soluble in acetone. 7. Quality standard:
Index name | Liquid | Solid |
Assay | 56~60% | ≥98% |
Appearance | colorless transparent Liquid | white crystal |
Ammonium sulfite | ≤1.0% | ≤1.0% |
Alkalinity | 0.3~1.5% | ≤0.4% |
Insoluble matter ( precipitation of Ca and Mg) | ≤0.2% | --- |
Heavy metals(as Pb) | ≤0.001% | ≤0.002% |
Fe | ≤0.00025% | ≤0.001% |
Sulfide(as s) | ≤0.0002% | ≤0.0002% |
Ignition residual | ≤0.1% | ≤0. 2% |
Specific gravity | 1.310~1.335 | ---- |
.Uses: Used as fixer for takingPhotographic s,key component of silvering electrobath, shielding effect agent, casting protectant of Al-Mg alloy, bactericide and analytical reagent.
Ammonium thiosulphate
