White crystalline, water-soluble salt used as a dechlorination agent, photographic fixer, analytical reagent and chlorine neutraliser in water and industry.
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Sodium thiosulfate is a colourless to white crystalline compound, usually the pentahydrate, that is very soluble in water. It reacts readily with chlorine, iodine and some metal ions, making it a versatile reducing and complexing agent.
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