无水硫代硫酸钠

Sodium thiosulfate is used in volumetric analysis to estimate the concentration of certain compounds in solution (hydrogen peroxide) as well as chlorine content in bleaching powder and water. It is used to prepare S-alkylthiosulfonates. Furthermore, it is used in the tanning of leather and in photographic processing. It is used as an antidote to cyanide poisoning and acts as a safe disposal medium in chemistry laboratories when working with bromine, iodine and other strong oxidizers. It is an important component in hand warmers and heating pads.

Hygroscopic. Incompatible with strong acids, strong oxidizing agents, iodine and mercury.

MFCD00003499

231-867-5

Na₂O₃S₂

158.10

1.667

Hygroscopic. Ambient temperatures.

Crystalline powder

Soluble in water. Insoluble in alcohol.

14,8694

XN6476000

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