Sodium thiosulfate, 0.01N Standardized Solution, Thermo Scientific Chemicals

Description

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.

Specifications

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

• Linear Formula: Na₂S₂O₃
• Concentration: 0.01N
• Solubility Information: Immiscible with alcohol.
• Formula Weight: 158.1
• Quantity: 1 L
• Physical Form: Liquid
• Chemical Name or Material: Sodium thiosulfate, Standardized Solution

RUO – Research Use Only