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  7. Sodium thiosulfate pentahydrate, 99+%

Sodium thiosulfate pentahydrate, 99+%

Product Code. 11409036
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Product Code. 11409036 Supplier Thermo Scientific Alfa Aesar Supplier No. A17914.0E
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Descrizione

CAS: 10102-17-7 | H10Na2O8S2 | 248.172 g/mol

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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

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.
TRUSTED_SUSTAINABILITY

Identificatori chimici

CAS 10102-17-7
Molecular Formula H10Na2O8S2
Molecular Weight (g/mol) 248.172
MDL Number MFCD00149186
InChI Key PODWXQQNRWNDGD-UHFFFAOYSA-L
Synonym sodium thiosulfate pentahydrate, ametox, sodium thiosulfate, pentahydrate, antichlor, tinver, disodium thiosulfate pentahydrate, unii-hx1032v43m, ccris 3952, thiosulfuric acid, disodium salt, pentahydrate, sodium hyposulfite pentahydrate
PubChem CID 61475
ChEBI CHEBI:32150
IUPAC Name disodium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane;pentahydrate
SMILES O.O.O.O.O.[O-]S(=O)(=S)[O-].[Na+].[Na+]

Specifica

Boiling Point 100°C (in -5H2O)
Melting Point 48°C
pH 6.5 to 8.0
Quantity 2500 g
Linear Formula Na2S2O3·5H2O
Merck Index 14,8694
Solubility Information Soluble in water. Insoluble in alcohol.
Formula Weight 248.17 (158.10 Anhydrous)
Percent Purity ≥99%
Odor Odorless
Density 1.69
Chemical Name or Material Sodium thiosulfate pentahydrate
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