V&S, as a professional China chemical manufacturer and supplier, produces High quality 1-3 mm Sodium Thiosulfate Pentahydrate, which is widely used as a reducing agent, dechlorination agent, and oxygen scavenger in various industries such as water treatment, pulp and paper, textiles, leather processing, and mining. We not only sell chemicals but are also committed to helping our customers solve process challenges, reduce costs, and ensure smooth production operations.
1.With a superior production environment and advanced manufacturing technology, we not only offer high-quality products but also highly competitive prices. If you purchase larger quantities of Quality 1-3 mm Sodium Thiosulfate Pentahydrate, the price can be even lower.
2.Our factory has a number of fully automatic equipment, equipped with the most complete production tools, machines and professionals.
3.With years of chemicals sales experience, quality products and perfect services, we have won a high reputation and are trusted by customer from both at home and abroad.
4.Based on years of experience in the chemical industry, we are not satisfied with ordinary standards and specialize in researching product quality. We strive to provide our customers with world-class chemical products.
1-3 mm small granules Sodium Thiosulfate Pentahydrate 99%
| Other Names | Sodium Hyposulfite;Hypo |
| Molecule Formula | Na2S2O3 ·5H2O |
| Molecular Weight | 248 |
| CAS No. | 10102-17-7 |
| EINECS No. | 231-867-5 |
| Property | Colorless, transparent single oblique crystals, specific gravity 1.729. It's soluble in water easily, with strong reducing property |
| sodium thiosulphate | 99%min |
| insoluble substance in water | 0.01%max |
| sulphate(Na2S) | 0.001%max |
| Fe | 0.002%max |
| Ph value | 6.5-9.5 |
| Item | Photographic grade | Industrial grade | Anhydrous grade |
| Appearance | colorless transparent crystal | Colorless transparent crystal | white powder |
| Assay | ≥99.00% | ≥98.5% | ≥97.0% |
| Water Insoluble matter | ≤0.01% | ≤0.03% | ≤0.03% |
| Sulfide | ≤0.001% | ≤0.003% | ≤0.001% |
| Fe | ≤0.001% | ≤0.003% | ≤0.005% |
| PH | 6.5~9.5 | 6.5~9.5 | 6.5~9.5 |
| Water solution reaction | in accordance with the test | in accordance with the test | ---- |
| Granularity(g/g) | 12~16 | --- | ---- |
The 1-3 mm Sodium Thiosulfate Pentahydrate is a basic chemical raw material that can be widely applied in various fields.
1. Used as a fixative in Photography industry;
2.For purifying soft water;
3.As a reducing agent of bichromate in tanning production;
4.Used as detergent agent, disinfector in Medical industry;
5.Used as decolorant in paper making industry;
6.Used as dechlorination agent after bleaching of cotton fabrics and paper pulp.
7.Electroplate applications
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