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  5. Sodium thiosulfate, 0.01N Standardized Solution

Sodium thiosulfate, 0.01N Standardized Solution

Catalog No. AA35643M4
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Catalog No. AA35643M4 Supplier Thermo Scientific Chemicals Supplier No. 035643M4
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Description

CAS: 7772-98-7 | Na2O3S2 | 158.10 g/mol

Sodium thiosulfate, 0.01N standardized solution is used in volumetric analysis to estimate the concentration of certain compounds in solution (hydrogen peroxide) as well as chlorine content in bleaching powder and water. It is used as a titrant in iodometry.

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

CAS 7772-98-7
Molecular Formula Na2O3S2
Molecular Weight (g/mol) 158.10
MDL Number MFCD00003499
InChI Key AKHNMLFCWUSKQB-UHFFFAOYSA-L
Synonym sodium thiosulfate, sodium thiosulphate, disodium thiosulfate, sodium thiosulfate anhydrous, hypo, sodiumthiosulfate, chlorine cure, chlorine control, declor-it, thiosulfuric acid, disodium salt
PubChem CID 24477
IUPAC Name disodium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane
SMILES [Na+].[Na+].[O-]S([S-])(=O)=O

Specifications

Linear Formula Na2S2O3
Concentration 0.01N
Solubility Information Immiscible with alcohol.
Formula Weight 158.1
Quantity 20 L
Physical Form Liquid
Chemical Name or Material Sodium thiosulfate, Standardized Solution

Safety and Handling

EINECSNumber 231-867-5
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only