Sodium thiosulfate, 0.1N Standardized Solution
Sodium thiosulfate, 0.1N Standardized Solution
Sodium thiosulfate, 0.1N Standardized Solution
Thermo Scientific Chemicals

Sodium thiosulfate, 0.1N Standardized Solution

CAS: 7772-98-7 | Na2O3S2 | 158.10 g/mol
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Catalog number 035645.K2
also known as 035645-K2
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Price (USD)
47.65
Special offer
Online exclusive
Ends: 30-Jun-2026
56.20
Save 8.55 (15%)
Each
Chemical Identifiers
CAS7772-98-7
IUPAC Namedisodium sulfanidesulfonate
Molecular FormulaNa2O3S2
InChI KeyAKHNMLFCWUSKQB-UHFFFAOYSA-L
SMILES[Na+].[Na+].[O-]S([S-])(=O)=O
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SpecificationsSpecification SheetSpecification Sheet
Appearance (Color)Clear colorless
FormLiquid
Concentration0.100N ± 0.14% (0.0014N)
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.

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