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Send EmailSodium Thiosulfate, Disodium Thiosulfate, Sodium Oxide Sulfite, 7772-98-7
Molecular Formula (Sod, ium Thiosulfate): Na2S2O3
Molecular Weight: 158.11 g/mol
Chemical Name: Disodium Thiosulfate
CAS Number: 7772-98-7
It is an inorganic sodium salt consisting of sodium and thiosulfate ions. It has medium strength reducing agent properties.
Thiosulfate is a chemical with formulation aid properties. It is an important substance for chlorine control.
Other Names:
Thiosulfuric Acid Disodium Salt
Disodium Sulfurothioate
Sodium Thiosulfate
Sodium Sulfothioate
Sodium Oxide Sulphite
7772-98-7
Anhydrous Form
Pentahydrate Form
Physical and Chemical Properties:
It is available in dry powder form, pellet or crystal form. It is a white solid in hygroscopic form. Or it is in colorless monoclinic crystal form. It has a salty taste.
Anhydrous thiosulfate is in opaque crystal form.
Solubility in water is 20.9 g/cm³ at 20 ° C. It is insoluble in ethyl alcohol.
Melting point is 48.5 ° C.
Density is 1.7 g/cm³.
When heated, it decomposes and emits highly toxic Disodium Oxide and Sulfur Oxide compounds.
Sodium Thiosulfate Usage Areas:
It is used as a reagent in the quantitative determination of Iodine in analytical chemistry processes.
It is a compound used in the manufacture of fixing powder in the photography sector.
It is processed as an antichlorine substance in the bleaching of paper pulp. It is also used for this purpose in textile and electrical water treatment plants.
It is used as a rust inhibitor in solid separation materials.
It is a compound used to treat cyanide poisoning in medical applications.
It is a substance used in drilling oil wells in the mining sector.
Sodium Thiosulfate is used especially for the destruction and disposal of cyanide used in the mining sector.
It is used in the manufacture of some pesticides.
It is used together with Sodium Carbonate and Sodium Carbonate in photo developer formulations.
