Sodium thiosulfate, anhydrous 97, reagent for synthesis

Supplier: SPECTRUM CHEMICAL MFG CORP

Synonyms: di-Sodium thiosulfate, Sodiumthiosulphate, Sodium hyposulphite, Antichlor, di-Sodium thiosulphate, Sodiumthiosulfate, Sodium hyposulfite

S1498-500GM S1498-12KG S1498-2.5KG S1498-45KGBL
700001-478EA 196.48 USD
700001-478 700001-472 700001-474 700001-476
Sodium thiosulfate, anhydrous 97, reagent for synthesis
Sodium thiosulphate

Sodium Thiosulfate, Anhydrous, Reagent, is crystalline compound that is colorless. It is used in gold extraction as a lixiviant, in photographic processing to bind soft metals, so that silver halides dissolve when treated with a thiosulfate solution. It is also used in the medical field as an antidote to cyanide poisoning, as an antifungal agent and as a treatment for ringworm. Its reagent grade means this is the highest quality commercially available for this chemical and that the American Chemical Society has not officially set any specifications for this material.

Formula: Na₂S₂O₃
MW: 158.11 g/mol
Boiling Pt: 100
Melting Pt: 48
Density: 1.66 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003499
CAS Number: 7772-98-7
EINECS: 231-867-5
Merck Index: 12,08844

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Specification Test Results

Assay 97% Min.


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