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Sodium thiosulfate pentahydrate, ACS, 99.5-101.0%
Maximum level of impurities: Insoluble matter 0.005%, pH of a 5% solution 6.0-8.4 at 25°, Nitrogen compounds (as N) 0.002%, Sulfate and sulfite (as SO4) 0.1%, Sulfide P.T. (limit about 1ppm) | CAS: 10102-17-7 | H10Na2O8S2 | 248.172 g/mol
$85.97 - $187.12
Chemical Identifiers
| CAS | 10102-17-7 |
|---|---|
| Molecular Formula | H10Na2O8S2 |
| Molecular Weight (g/mol) | 248.172 |
| MDL Number | MFCD00149186 |
| InChI Key | PODWXQQNRWNDGD-UHFFFAOYSA-L |
| Synonym | sodium thiosulfate pentahydrate, ametox, sodium thiosulfate, pentahydrate, antichlor, tinver, disodium thiosulfate pentahydrate, unii-hx1032v43m, ccris 3952, thiosulfuric acid, disodium salt, pentahydrate, sodium hyposulfite pentahydrate |
| PubChem CID | 61475 |
| ChEBI | CHEBI:32150 |
| IUPAC Name | disodium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane;pentahydrate |
| SMILES | O.O.O.O.O.[O-]S(=O)(=S)[O-].[Na+].[Na+] |
Description
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.
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.
Chemical Identifiers
| 10102-17-7 | |
| 248.172 | |
| PODWXQQNRWNDGD-UHFFFAOYSA-L | |
| 61475 | |
| disodium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane;pentahydrate |
| H10Na2O8S2 | |
| MFCD00149186 | |
| sodium thiosulfate pentahydrate, ametox, sodium thiosulfate, pentahydrate, antichlor, tinver, disodium thiosulfate pentahydrate, unii-hx1032v43m, ccris 3952, thiosulfuric acid, disodium salt, pentahydrate, sodium hyposulfite pentahydrate | |
| CHEBI:32150 | |
| O.O.O.O.O.[O-]S(=O)(=S)[O-].[Na+].[Na+] |
Specifications
| 100°C-5H{2}O | |
| 10102-17-7 | |
| Crystalline | |
| 99.5-101.0% | |
| MFCD00149186 | |
| Soluble in water and ammonia. Insoluble in alcohol and organic solvents. | |
| O.O.O.O.O.[O-]S(=O)(=S)[O-].[Na+].[Na+] | |
| 248.172 | |
| CHEBI:32150 | |
| ACS | |
| Colorless crystalline | |
| Sodium thiosulfate pentahydrate, For ACS analysis |
| 48°C | |
| Colorless | |
| 500 g | |
| H10Na2O8S2 | |
| sodium thiosulfate pentahydrate, ametox, sodium thiosulfate, pentahydrate, antichlor, tinver, disodium thiosulfate pentahydrate, unii-hx1032v43m, ccris 3952, thiosulfuric acid, disodium salt, pentahydrate, sodium hyposulfite pentahydrate | |
| PODWXQQNRWNDGD-UHFFFAOYSA-L | |
| disodium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane;pentahydrate | |
| 61475 | |
| 248.17 (158.10 Anhydrous) | |
| Odorless | |
| 1.69 g/cm3 |
Safety and Handling
H500
EINECSNumber : 231-867-5
RTECSNumber : WE6660000
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only