Description
Sodium thiosulfate (Na₂S₂O₃) is an inorganic compound commonly encountered as the white or colorless pentahydrate (Na₂S₂O₃·5H₂O). It readily dissolves in water and exhibits intriguing properties as both a reducing agent and a ligand.
Application
1.Used as a dechlorination agent for bleached pulp and cotton fabrics, as a chelating agent and antioxidant in the food industry, as a detergent and disinfectant in the pharmaceutical industry.
2.It is used for dehydrochlorination of natural gas, naphtha, syngas, hydrogen and nitrogen to protect downstream catalyst from toxicity. If there is organic chlorine in the gas, it should be converted to hydrogen chloride by cobalt-molybdenum hydrogenation catalyst, and then absorbed with dechlorinating agent.
3.Used as analytical reagent, mordant and fixative.
4.It is suitable for removing chlorine from hydrogen, nitrogen, syngas, carbon monoxide, carbon dioxide and naphtha.
5.Photosensitive industry is used as photographic fixative. Paper industry is used as chlorine removal agent after pulp bleaching. The printing and dyeing industry is used as a dechlorination agent for cotton fabrics after bleaching. Reagent for chroma analysis and volumetric analysis of analytical chemistry. Pharmaceuticals are used as detergents and disinfectants. The food industry is used as chelating agents, antioxidants and so on.
7.It is used in Photography, film, textile, chemical fiber, paper making, leather making and pesticide industry.
8.Used as complexing agent for silver plating of thiosulfate. The silver plating layer has fine crystal structure and good covering ability. The general dosage is 200~250 g/L. It is used as brightener in cyanide silver plating. The dosage is 0.5 to 1.09 g/L. Silver can be crystallized in order to obtain bright and semi bright silver plating.
Specifications
| Item | Specifications | Results |
| Appearance | Colorless transparent | Pass |
| Purity | ≥98.5% | 98.52% |
| Insoluble substance in water | ≤0.03% | <0.03% |
| Sulphide | ≤0.003% | <0.003% |
| Fe | ≤0.003% | <0.003% |
| Ph | 6.5~9.5 | 8.0 |
Types of Packaging
In 25kgs Plastic Woven Bags
Certifications
ISO 9001. ISO 22716. cGMP certified
Kosher, Halal certified
Shipping Information
MOQ: (Due to the nature of chemical transportation, please consult the sea trade manager for details!)
Port of Loading: CHINA - Shanghai Port, Ningbo Zhoushan Port, Guangzhou Port, Qingdao Port, Tianjin Port, Dalian Port, Xiamen Port, Lianyungang Port (can be ensured according to the requirements of customers)
Delivery Time: 4-6 weeks, depending on order size and destination
Payment Terms
L/C, D/P, T/T at buyer’s cost
Sample available on request
Multiple Names
HYPO
ametox
nsc-45624
Sulfothiorine
disodium sulfurothioate
SodiuM thiosulfate pentahydra
Sodiumthiosulfate,pentahydrat
Sodium thiosulfate pentahydrate
Sodium thiosulphate pentahydrate
SODIUM THIOSULFATE-5-HYDRATE EXTRA PURE,
Thiosulfuricacid,disodiumsalt,pentahydrate
SODIUM THIOSULFATE PENTAHYDRATE, CRYSTAL LIZED
Thiosulfuricacid(H2S2O3)disodiumsalt,pentahydrate
thiosulfuricacid(h2s2o3),disodiumsalt,pentahydrate
SodiuM Thiosulfate, 0.100 N Aqueous Solution, USP VoluMetric SolutionAPHA
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