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VWR Sodium thiosulphate 0.039 mol/l (0.039 N) in aqueous solution 0.039 mol/l (0.039 N) in aqueous 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 0.039 mol/L (0.039 N) is a ready-to-use aqueous titration solution designed for redox and iodometric analyses. This lower-normality solution is ideal for applications requiring sensitive endpoint detection, particularly in trace chlorine, iodine, or oxidant determinations.
Manufactured for analytical precision, it is suitable for use in water analysis, environmental monitoring, and pharmaceutical testing, and is provided in a 2.5 L glass bottle for high-volume laboratory use.
Product Specifications
| Property | Value |
|---|---|
| Product Name | Sodium Thiosulphate Volumetric Solution |
| Concentration | 0.039 mol/L (0.039 N) |
| Chemical Formula | Na₂S₂O₃ |
| Molecular Weight | 158.11 g/mol |
| CAS Number | 7772-98-7 |
| MDL Number | MFCD00003499 |
| EINECS Number | 231-867-5 |
| Storage Temperature | Ambient |
| Form | Aqueous solution |
| Packaging Type | Glass bottle |
Packaging
| Catalog Number | Pack Type | Pack Size |
|---|---|---|
| 88946.320 | Glass bottle | 2.5 L |
Applications
- Iodometric titrations for low-concentration iodine or chlorine
- Residual oxidant analysis in treated water and wastewater
- Redox titrations in environmental and chemical laboratories
- Use in teaching labs and standard solution preparation
- Calibrations and trace-level determinations in QA/QC settings
Key Features
- Pre-prepared and ready to use
- Lower normality (0.039 N) for trace and sensitive measurements
- Suitable for manual or automated titration systems
- Compatible with a wide range of redox and iodometric methods
- Supplied in durable glass bottle for laboratory stability
VWR Sodium Thiosulphate 0.039 mol/L (0.039 N) provides accurate and reliable performance for laboratories conducting sensitive or low-range titrations. Its ready-to-use format and analytical precision support a wide range of environmental, industrial, and academic applications.