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Sodium thiosulfate pentahydrate, 99+%, 500g

$39.95
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MFR:
A1791436
Medex SKU:
AAR-A1791436
Packing Info:
1/Each
Usually Ships:
1 - 2 Business Days
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Description

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.

Solubility
Soluble in water. Insoluble in alcohol.

Notes
Incompatible with sodium nitrate, acids, strong oxidizing agents, iodides, silver salts, mercury salts and lead.
Quantity500g,500g
Boiling Point100°C (in -5H2O),100°C (in -5H2O)
Melting Point48°C,48°C
OdorOdorless,Odorless
pH6.5 to 8.0,6.5 to 8.0
Linear FormulaNa2S2O3·5H2O
Merck Index14,8694
Formula Weight248.17 (158.10 Anhydrous)
Percent Purity≥99%
Chemical Name or MaterialSodium thiosulfate pentahydrate