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VWR Sodium thiosulphate 0.01 mol/l (0.01 N) in aqueous solution, VOLUSOL® 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 0.01 mol/L (0.01 N) is a ready-to-use aqueous volumetric solution from the VOLUSOL® product line, designed for high-precision iodometric and redox titrations. Prepared under strict quality control, this solution is NIST traceable and has a validated titer of 0.00998–0.01002 mol/L at 20 °C, ensuring accuracy and consistency in regulated laboratory environments.
Ideal for use in residual chlorine determination, pharmaceutical testing, and environmental monitoring, it simplifies analytical workflows by eliminating the need for on-site preparation and standardization.
Product Specifications
| Property | Value |
|---|---|
| Product Name | Sodium Thiosulphate Volumetric Solution |
| Concentration | 0.01 mol/L (0.01 N) |
| Grade | VOLUSOL® Volumetric Solution |
| 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) | 0.00998 – 0.01002 mol/L |
| Storage Temperature | Ambient |
| Physical Form | Aqueous solution |
Packaging
| Catalog Number | Pack Type | Pack Size |
|---|---|---|
| 309337.1000 | Plastic bottle | 1 L |
Applications
- Iodometric titrations for iodine, chlorine, and oxidizing agents
- Residual chlorine analysis in water and wastewater testing
- Redox titration in pharmaceutical and food testing
- Standard solution for calibration and training in academic laboratories
- Suitable for quality control, environmental testing, and analytical chemistry
Key Benefits
- NIST-traceable accuracy for reliable titration results
- Ready-to-use—eliminates the need for dilution or standardization
- Ideal for low-concentration oxidizer analysis
- Stable and consistent titer over time under ambient storage
- Certified under the VOLUSOL® standard for volumetric solutions
VWR Sodium Thiosulphate 0.01 mol/L (0.01 N), VOLUSOL® is a high-accuracy, NIST-traceable titrant designed for iodometric and redox titrations in routine and regulated labs. Its convenient format and precise titer support efficient and reproducible workflows in water testing, chemical analysis, and pharmaceutical quality control.