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Sodium thiosulfate pentahydrate used for photosensitive,paper ,printing industry
Brand : Xiang Sante
Product origin : Hunan
Delivery time : 7-15days
Supply capacity : 80000T/Year
Sodium thiosulfate pentahydrate used for photosensitive,paper ,printing industry
【Descriptions】:
Own factory with over 500 employees
【Product pictures】:
【Specifications】:
| Classification: | Sulphate | Type: | Sodium Thiosulfate | CAS NO.: | 7772-98-7 |
| Other names: | Hyposulfite | MF: | Na2S2O3.5H2O | EINECS NO.: | 231-867-5 |
| Place of Origin: | Hunan,China(Mainland) | Grade Standard: | Industrial grade | Purity: | 96-99% |
| Appearance: | white Crystal | Application: | water Treatment | Brand Name: | Xiang Sante |
| Color: | white Crystal | HS Code: | 2832300000 | Grade: | Industrial |
| Model Number: | 99% | Molecular weight: | 248.17 | Usage: | Water Tratement |
| Melting point: | 40-45 | FE: | 0.001%Max | PH: | 6.5-9.5 |
| Water Insoluble: | 0.01%Max | Packing: | 25kg/bag | Loading: | 16-25MT/20FCL |
【Physical Character】：Sodium thiosulfite, a colorless monoclinic crystal, odorless and cool and bitter.The proportion of 1.729.Soluble in water, insoluble in alcohol, aqueous solution is weak and alkaline.In humid air, there is a tidal solution, which is stable in neutral and alkaline solution, which is decomposed in acidic solution and has strong reductive ability.Heated to 100 ℃, lost five water of crystallization, in more than 33 ℃ dry weathering and lose crystal water in the air.
【National Standard】：HG/T2328-2006
| Index Name | Specification | ||
| High-class | First-class | ||
| Mass faction of Sodium thiosulfate(Na2S2O3·5H2O)% | ≥ | 99.0 | 98.0 |
| Mass faction of insoluble matter % | ≤ | 0.01 | 0.03 |
| Mass faction of sulfide (Na2S)% | ≤ | 0.001 | 0.003 |
| Mass faction of Fe(Fe)% | ≤ | 0.002 | 0.003 |
| Mass faction of sodium chloride(NaCl)% | ≤ | 0.05 | 0.2 |
| Ph value (200g/L Solution) | 6.5~9.5 | ||
【Application】：The photosensitive industry is used as a photographic fixing agent.The paper industry is used as the chlorine removal agent after bleaching.The printing and dyeing industry is used as the dechlorination agent for cotton fabric bleaching.Analysis and analysis of chemical color chromatography and reagent for capacity analysis.Medicines are used as detergents and disinfectants.The food industry is used as a chelating agent, anti-oxidant, etc., to solve cyanide poisoning and mercury poisoning.
【Package】：25Kgs/Plastic woven bags；1000kgs/Bag or as requested.