Sodium Thiosulphate

Synonyms: Na2S2O3; Sodium thiosulfate, pentahydrate, thiosulfuric acid, disodium thiosulfate; Chlorine Control; Sodium hyposulfite; Sodium oxide sulfide; thiosulfuric acid, disodium salt
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Used in photographic processing; hand warmers and heating pads; bleach; to lower chlorine in swimming pools; as a cyanide poisoning antidote; tanning of leather; pharmaceutical preparation; anti-fungal lotion; as pesticide, insecticide, and herbicide. Also used as a treatment of calciphylaxis in hemodialysis patients with End-Stage Renal Disease.