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Specifications:
| Application | Organic Synthesis | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Crystals |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | Na₂SeO₃ |
VWR Sodium Selenite (Na₂SeO₃) is a technical-grade inorganic selenium salt with a molecular weight of 172.94 g/mol. Supplied as a solid crystalline material, it is used in non-critical industrial, agricultural, and research applications, including glass production, trace element formulations, and selenium compound synthesis. This compound is toxic and environmentally hazardous, requiring appropriate handling and disposal under regulatory guidelines.
It is not intended for food, pharmaceutical, or cosmetic use and should only be used by trained personnel in compliant laboratory or process environments.
Product Specifications
| Property | Value |
|---|---|
| Product Name | Sodium Selenite |
| Grade | Technical |
| Chemical Formula | Na₂SeO₃ |
| Molecular Weight | 172.94 g/mol |
| CAS Number | 10102-18-8 |
| MDL Number | MFCD00003489 |
| Merck Index | 12,08822 |
| EINECS Number | 233-267-9 |
| UN Number | UN2630 |
| ADR Classification | Class 6.1 (Toxic), Packing Group I |
| GHS Classification | GHS06 (Toxic), GHS09 (Environmental Hazard) |
| Melting Point | 710 °C |
| Density (20 °C) | 3.1 g/cm³ |
| Storage Temperature | Ambient |
| Physical Form | Solid crystalline powder |
Packaging
| Catalog Number | Pack Type | Pack Size |
|---|---|---|
| 28074.231 | Plastic bottle (solid) | 250 g |
Applications
- Glass manufacturing (decolorizing and optical glass applications)
- Micronutrient additive in agricultural and livestock feed (non-food grade only)
- Chemical synthesis of selenium-containing compounds
- Trace element research and studies involving selenium metabolism
- Corrosion inhibition and specialty metal finishing (non-critical use)
- Used in non-pharmaceutical industrial laboratories
Safety and Handling
- Highly toxic if ingested, inhaled, or absorbed through the skin
- Very toxic to aquatic life—strict environmental controls required
- Use only in fume hoods or closed systems with controlled waste handling
- PPE required: gloves, goggles, lab coat, and respiratory protection if dust is present
- Avoid contact with acids or oxidizing agents
- Refer to the Safety Data Sheet (SDS) for full hazard information and emergency procedures
VWR Sodium Selenite, TECHNICAL Grade, is a toxic and reactive selenium compound used in non-critical industrial applications, chemical processing, and elemental studies. Due to its hazardous nature, it should only be handled by trained personnel under strict environmental and safety protocols.