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  7. Sodium thiosulfate, 0.1N Standardized Solution

Sodium thiosulfate, 0.1N Standardized Solution

Catalog No. p-4824957
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AA35645K2 1 L
AA35645K7 4 L
AA35645M4 20 L
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Catalog No. AA35645K2 Supplier Thermo Scientific Chemicals Supplier No. 035645K2
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Description

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

Sodium thiosulfate, 0.1N 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
SMILES [Na+].[Na+].[O-]S([S-])(=O)=O

Specifications

Physical Form Liquid
Quantity 1 L
Solubility Information Immiscible with alcohol.
IUPAC Name disodium sulfanidesulfonate
Formula Weight 158.1
Concentration or Composition (by Analyte or Components) Sodium thiosulphate: 1.58%; Water: 98.42%
Appearance Clear liquid
Vapor Pressure 23 hPa (17mm Hg) at 20°C
Chemical Name or Material Sodium thiosulfate

Safety and Handling

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

RUO – Research Use Only