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14518 Sodium thiosulfate pentahydrate, ACS, 99.5-101.0%

CAS Number
10102-17-7
Synonyms

Stock No. Size Price ($) Quantity Availability
14518-36 500g 31.40
14518-A3 2kg 71.40
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Sodium thiosulfate pentahydrate, ACS, 99.5-101.0%

MDL
MFCD00149186
EINECS
231-867-5

Chemical Properties

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

Applications

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

Other References

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

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