Sodium Thiosulfate Pentahydrate

• CAT Number: R031048
• CAS Number: 10102-17-7
• Molecular Formula: H10Na2O8S2
• Molecular Weight: 248.172
• Purity: ≥95%
• Synonyms: Thiosulfuric Acid (H2S2O3) Disodium Salt Pentahydrate;Thiosulfuric Acid Disodium Salt Pentahydrate;Disodium Thiosulfate Pentahydrate;Disodium Thiosulphate Pentahydrate; Hypo Sodium Thiosulfate (Na2S2O3) Pentahydrate
• Storage: -20°C
• IUPAC Name: disodium;dioxido-oxo-sulfanylidene-{6}
• InChI: InChI=1S/2Na.H2O3S2.5H2O/c;1-5(2,3)4;/h;(H2,1,2,3,4);5*1H2/q2*+1;/p-2
• InChIKey: PODWXQQNRWNDGD-UHFFFAOYSA-L
• SMILES: O.O.O.O.O.[O-]S(=O)(=S)[O-].[Na+].[Na+]

Sodium thiosulfate pentahydrate is a crystalline compound used in various applications. It serves as a fixing agent in photography, removing excess silver halide from developed photographic film and prints. Additionally, it finds use in medical treatments for cyanide poisoning and as a neutralizer for chlorine in water treatment. Sodium thiosulfate pentahydrate’s versatile properties make it valuable in diverse industries.