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10102-17-7 - Sodium thiosulfate pentahydrate, 99+% - A17914 - Alfa Aesar

A17914 Sodium thiosulfate pentahydrate, 99+%

CAS-Nummer
10102-17-7
Synonyme

Größe Preis ($) Menge Verfügbarkeit
500g 20,10
2500g 61,80
10000g 196,00
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Sodium thiosulfate pentahydrate, 99+%

MDL
MFCD00149186
EINECS
231-867-5

Chemische Eigenschaften

Formel
Na2O3S2•5H2O
Molmasse
248.17 (158.10anhy)
Schmelzpunkt
48°
Siedepunkt
100° -5H{2}O
Dichte
1.69
Löslichkeit
Soluble in water. Insoluble in alcohol.

Anwendungen

Sodium thiosulfate pentahydrate is used as an analytical reagent in laboratories. It is used in photographic processing and in gold extraction. Its alkylated derivative S-alkylthiosulfonates are called Bunte salts. It is involved in the preparation of thioglycolic acid. Furthermore, it is used to dechlorinate tap water, for removing free bromine from solution and to check pH of bleach solutions with liquid indicators. Other used include tanning of leather, as an active component in hand warmers, in chemical heating pads and as an anionic surfactant to aid in dispersion of pharmaceutical preparations.

Bemerkungen

Incompatible with sodium nitrate, acids, strong oxidizing agents, iodides, silver salts, mercury salts and lead.

Literaturverweise

Moral-Vico, J.; Sánchez-Redondo, S.; Lichtenstein, M. P.; Suñol, C.; Casañ-Pastor, N. Nanocomposites of iridium oxide and conducting polymers as electroactive phases in biological media. Acta Biomater. 2014, 10 (5), 2177-2186.

James, T. H.; Cannon, C.; Apblett, A.; Materer, N. F. Sodium Dithionite Purity and Decomposition Products in Solid Samples Spanning 50 Years. Phosphorus Sulfur Silicon Relat. Elem. 2015, 190 (2), 158-169.

Weitere Referenzen

Merck
14,8694
Harmonized Tariff Code
2832.30
TSCA
Yes
RTECS
WE6660000

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