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Appearance: | Granular |
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CAS No.: | 7772-98-7 |
Molecular Formula: | NA2S2O3 |
EINECS: | 231-867-5 |
Purity: | ≥99% |
Certification: | ISO9000, SGS, BV |
ENVO CHEMICAL GROUP- scientific research center in cooperation with the government, modern production equipment, intelligent production management system, perfect production raw material supply chain, independent chemical logistics and transportation system, 30 years of industrial operation, are the key to our cost saving and quality assurance Factors that make our product prices more competitive in the market. Our goal is to provide customers with high-quality products, the most competitive prices, the shortest delivery time and perfect and professional after-sales service.
The most efficient and complete chemical industry chain and more than 30 years of industry experience are the keys to providing our customers with the most competitive prices and helping them reduce competition costs.
ENVO CHEMICAL GROUP- With more than 30 years of experience in the chemical industry, it is one of the leading chemical raw material suppliers in China. With a professional scientific research and technical team, with rich experience and technology, we provide our customers with in-depth technical support and a variety of application solutions, ensure quality, save costs, and win unanimous approval from our customers.
Our factory has 7 24-hour production lines, 14 regular production lines and 2 spare production lines, 90% of the orders are shipped within 15-25 days after receiving the payment, any urgent orders can be supported.
Product Description:
Product Name:Sodium Thiosulphate
CAS No.: 7772-98-7
Formula: NA2S2O3
EINECS: 231-867-5
Certification: ISO
Purity: ≥99%
Type: Sodium Thiosulfate
Appearance: Granular
Quality Specification:
ITEMS | SPECIFICATIONS | Test Result |
Appearance | Colorless transparent crystal | Conform |
NA2S2O3·5H2O | ≥ 99% | 99.4% |
Water Insoluble Matter | ≤ 0.01% | 0.010% |
Fe Content | ≤ 0.002% | 0.0016% |
Sulfide(as NA2S) | ≤ 0.001% | 0.0009% |
NaCL content | ≤ 0.05% | 0.045% |
PH Value | 6.5-9.1 |
Features of Sodium Thiosulphate :
Colorless transparent monoclinic crystal,odorless,Easy to dissolve in water and insoluble in alcohol.
Application:
1) Used as fixing agent in photographic industry
2) It can be used in Electroplating, Water Purification and Leather tannin
3) Used as reducing agent in chemical industry
4) Used as Dechlorination agent in bleaching of cotton products
5) Used as Dechlorination agent for pulp
6) Used as detergents, disinfectants and discoloring agents in the pharmaceutical industry
Packing
Standard packaging includes the following:
25kg/1000kg per bag.
Other package sizes are available upon request.
Storage
Store in a well-ventilated, cool, dry area, out of direct sunlight. Keep containers tightly closed when not in use.
Period of validity
24 months.
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