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VWR Sodium thiosulphate 1 mol/l (1 N) in aqueous solution, AVS TITRINORM volumetric solution
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Specifications:
| Application | Analytical Chemistry, Titration | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical, Standard Solutions | Forms | Liquid |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | Na₂S₂O₃ |
VWR Sodium Thiosulphate 1 mol/L (1 N) is a ready-to-use aqueous volumetric solution formulated for iodometric titrations, redox reactions, and oxidizing agent determinations. Part of the AVS TITRINORM® series, it is prepared under strict quality control and is NIST traceable, with a validated titer of 0.998–1.002 mol/L at 20 °C, ensuring high precision in analytical results.
This titrant is ideal for laboratories requiring accuracy, reproducibility, and convenience in chemical, environmental, food, and pharmaceutical analysis.
Product Specifications
| Property | Value |
|---|---|
| Product Name | Sodium Thiosulphate Volumetric Solution |
| Concentration | 1 mol/L (1 N) |
| Grade | AVS TITRINORM® |
| Chemical Formula | Na₂S₂O₃ |
| Molecular Weight | 158.11 g/mol |
| CAS Number | 7772-98-7 |
| MDL Number | MFCD00003499 |
| EINECS Number | 231-867-5 |
| NIST Traceable | Confirmed |
| Titer Accuracy (20 °C) | 0.998 – 1.002 mol/L |
| Storage Temperature | Ambient |
| Physical Form | Aqueous solution |
Packaging
| Catalog Number | Pack Type | Pack Size |
|---|---|---|
| 31547.293 | Plastic bottle | 1 L |
Applications
- Iodometric titrations for quantification of iodine, chlorine, bromine
- Residual oxidant determination in water and wastewater analysis
- Standardization of oxidizing agents in analytical procedures
- Used in pharmaceutical quality control, environmental labs, and chemical education
- Redox titrations in food, chemical, and industrial sectors
Key Features
- High-concentration titrant for demanding redox analyses
- NIST-traceable—ideal for regulated and accredited laboratories
- Ready-to-use solution for convenience and time savings
- Excellent shelf stability under ambient conditions
- Titer accuracy of ±0.2% ensures reproducibility
VWR Sodium Thiosulphate 1 mol/L (1 N), AVS TITRINORM® is a premium-quality, NIST-traceable solution suitable for high-precision titrations in chemical, environmental, and pharmaceutical labs. Its reliability and ease of use make it a valuable reagent for both routine and regulated analysis.