- Catalyst[7]
- Sulphate[7]
- Chloride[7]
- Polymer[7]
- Carbonate[7]
- Other Chemicals[7]
- Chemical Auxiliary Agent[7]
- Lubricant[7]
- Other Inorganic Chemicals[7]
- Contact Person : Ms. Wang Sophie
- Company Name : Dalian CR Science Development Co., Ltd.
- Tel : 86-411-84507031
- Fax : 86-411-84507556
- Address : Liaoning,Dalian,No.10 Chengyi Street, Shahekou District, Dalian City P.r China
- Country/Region : China
ammonium thiosulphate(photographic grade)
1>. Colorless single crystal is inclined crystallization.2>. Easy deliquescence. Soluble in water, slightly soluble in acetone, insoluble in alcohol, ether.3>. Aqueous long together with sulfur exhalation. Hot to 150 °C decomposition form and ammonium sulfate, sulfur, ammonia, hydrogen sulfide and water
1. Chemical name:Ammonium Thiosulphate 2. Structural formula:3. Molecular formula:(NH4)2S2O34. Molecular weight:148.205. 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.
4.specification
| 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 | ---- |
5.Uses
Used as fixer for taking photographics,key component of silvering electrobath, shielding effect agent, casting protectant of Al-Mg alloy, bactericide and analytical reagent.
6.Packing
250kg plastic drum, flexitank, IBC-tank or following your demand.
ammonium thiosulphate(photographic grade)
