Description
  • Chemical Name
    Sodium Thiosulfate
  • Concentration
    1.00 N
  • Form
    Liquid
  • Certification
    N.I.S.T. Traceable*
  • Molecular Formula
    Na₂S₂O₃

Description

What is Lab Pro Sodium Thiosulfate 1.0N?

Lab Pro Sodium Thiosulfate 1.0N is a standardized aqueous solution designed for accurate volumetric analysis. This range of standardized solutions provides a convenient and reliable method for precise analytical work.

Each product is certified to the specifications outlined in the Certificate of Analysis, with lot number and expiry date printed directly on the label. Where applicable, these solutions are certified traceable to N.I.S.T. standards.

Key Features

  • Standardized sodium thiosulfate solution
  • 1.00 N concentration
  • Certified per Certificate of Analysis
  • Lot number and expiry date printed on label
  • N.I.S.T. traceable where applicable

Packaging

  • Size: 1 Quart

Standards and Certifications

  • Lab Pro CofA
  • Lab Pro SDS
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Chemical Information

IUPAC Name Disodium sulfanidesulfonate
Synonym Disodium thiosulfate
Molecular Formula Na₂O₃S₂
Molecular Weight 158.10 g/mol
CAS Number 7772-98-7
MDL Number MFCD00003499

Structure Identifiers

SMILES [Na+].[Na+].[O-]S([S-])(=O)=O
InChI Key AKHNMLFCWUSKQB-UHFFFAOYSA-L

Physical Properties

Appearance Clear, colorless liquid
Form Liquid

Concentration

Normality 1.00 N ± 0.32% (± 0.0032 N)


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FAQs

What is Lab Pro Sodium Thiosulfate 1.0N used for?

Lab Pro Sodium Thiosulfate 1.0N is used as a volumetric standard in analytical chemistry. It is commonly used in iodometric titrations, redox analysis, and the quantitative determination of oxidizing agents, where a higher-normality titrant is required for accuracy.

Is this sodium thiosulfate solution standardized and certified?

Yes. The solution is standardized to 1.00 N and certified in accordance with its Certificate of Analysis. Each bottle includes a lot number and an expiration date, ensuring traceability, consistency, and confidence in analytical and quality-control applications.

Is the solution ready to use upon delivery?

Yes. Lab Pro Sodium Thiosulfate 1.0N is supplied as a ready-to-use liquid solution. No dilution or preparation is required, allowing it to be used directly in laboratory volumetric and titration workflows.

What types of laboratories use sodium thiosulfate 1.0N?

This solution is commonly used in analytical, environmental, chemical manufacturing, educational, and quality control laboratories that perform iodometric titrations or require precise measurement of oxidizing substances.