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A17914 Sodium thiosulfate pentahydrate, 99+%

CAS Number
10102-17-7
Synonyms

Stock No. Size Price ($) Quantity Availability
A17914-36 500g 21.60
A17914-0E 2500g 66.50
A17914-0C 10000g 211.00
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Sodium thiosulfate pentahydrate, 99+%

MDL
MFCD00149186
EINECS
231-867-5

Chemical Properties

Formula
Na2O3S2•5H2O
Formula Weight
248.17 (158.10anhy)
Melting point
48°
Boiling Point
100° -5H{2}O
Density
1.69
Storage & Sensitivity
Ambient temperatures.
Solubility
Soluble in water. Insoluble in alcohol.

Applications

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.

Notes

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

Literature References

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.

GHS Hazard and Precautionary Statements

Hazard Statements: H500

May form combustible dust concentrations in air

Other References

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

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