Thiosulfate Aluminum Sulphate Reagent Grade CAS 7772-98-7 99% Powder Hypo Sodium Thiosulfate Pentahydrate/Hyposulfite
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Product Description of Thiosulfate Aluminum Sulphate Reagent Grade CAS 7772-98-7 99% Powder Hypo Sodium Thiosulfate Pentahydrate/Hyposulfite
{Product Name}: | Sodium Thiosulfate |
{Other Name}: | Sodium Hyposulfite |
{Test Method.}: | HPLC |
{Appearence.}: | White Powder |
{Specification}: | 99% |
{MOQ}: | 1kg |
Sodium Hyposulfite (Na2S2O3), also spelled sodium thiosulphate, is an inorganic compound that is typically available as the pentahydrate, Na2S2O3·5H2O. The solid is an efflorescent (loses water readily) crystalline substance that dissolves well in water. It is also called sodium hyposulfite or "hypo".
It is on the World Health Organization's List of Essential Medicines, the most important medications needed in a basic health system.
Two polymorphs are known of the pentahydrate. The anhydrous salt exists in several polymorphs. In the solid state, the thiosulfate anion is tetrahedral in shape and is notionally derived by replacing one of the oxygen atoms by a sulfur atom in a sulfate anion. The S-S distance indicates a single bond, implying that the terminal sulfur bears significant negative charge and the S-O interactions have more double-bond character.
On an industrial scale, sodium thiosulfate is produced chiefly from liquid waste products of sodium sulfide or sulfur dye manufacture.
In the laboratory, this salt can be prepared by heating an aqueous solution of sodium sulfite with sulfur or by boiling aqueous sodium hydroxide and sulfur according to this equation: 6 NaOH + 4 S → 2 Na2S + Na2S2O3 + 3 H2O
Function of Thiosulfate Aluminum Sulphate Reagent Grade CAS 7772-98-7 99% Powder Hypo Sodium Thiosulfate Pentahydrate/Hyposulfite
1. used in photographic processing as a photographic fixer
2. electroplate applications in steel, as part of patina recipes for copper alloys
3. used in the tanning of leather
4. in PH testing of bleaching substances
5. in Waste water treatment, neutralizing bleached and chlorinated water.
6. to lower chlorine levels in swimming pools and spas following super chlorination
7. used in bleach
8. used in paper industry
9. used to remove iodine stains, e.g. After the explosion of nitrogen tri-iodide.
10. used in aquaculture
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