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7772-98-7 - Sodium thiosulfate, anhydrous, 99% - A17629 - Alfa Aesar

A17629 Sodium thiosulfate, anhydrous, 99%

CAS-Nummer
7772-98-7
Synonyme

Größe Preis ($) Menge Verfügbarkeit
500g 30,69
2500g 111,24
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Sodium thiosulfate, anhydrous, 99%

MDL
MFCD00003499
EINECS
231-867-5

Chemische Eigenschaften

Formel
Na2O3S2
Molmasse
158.10
Dichte
1.667
Sensitivität
Hygroscopic
Löslichkeit
Soluble in water. Insoluble in alcohol.

Anwendungen

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.

Bemerkungen

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

Literaturverweise

Wendroth, S. M.; Heady, T. N.; Haverstick, D. M.; Bachmann, L. M.; Scott, M. G.; Boyd, J. C.; Bruns, D. E. Falsely increased chloride and missed anion gap elevation during treatment with sodium thiosulfate. Clin. Chim. Acta 2014, 431, 77-79.

Chen, N. X.; O’Neill, K.; Akl, N. K.; Moe, S. M. Adipocyte induced arterial calcification is prevented with sodium thiosulfate. Biochem. Biophys. Res. Commun. 2014, 449 (1), 151-156.

Weitere Referenzen

Merck
14,8694
Harmonized Tariff Code
2832.30
TSCA
Yes
RTECS
XN6476000

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