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Thermo Scientific™ Sodium dichromate dihydrate 98%
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Specifications:
| Application | Analytical Chemistry | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | Thermo Fisher Scientific™, thermo Scientific | ||
| Product Grade | Analytical grade | Formula | Na₂Cr₂O₇·2H₂O |
Thermo Scientific Sodium Dichromate Dihydrate (Na₂Cr₂O₇·2H₂O) is a highly reactive, oxidizing compound used in organic synthesis, oxidation reactions, corrosion testing, and laboratory analysis. With a purity of 98%, this compound delivers consistent performance in chemical, metallurgical, and environmental testing workflows.
Due to its oxidizing nature, toxicity, and environmental hazard, it must be handled under strict safety protocols. This compound is listed under GHS hazard classifications for health, environmental, and physical hazards, and is typically used by trained professionals in controlled laboratory or industrial environments.
Product Specifications
| Property | Value |
|---|---|
| Product Name | Sodium Dichromate Dihydrate |
| Chemical Formula | Na₂Cr₂O₇·2H₂O |
| Molecular Weight | 298.00 g/mol (261.97 g/mol anhydrous) |
| CAS Number | 7789-12-0 |
| MDL Number | MFCD00149166 |
| Merck Index Number | 14,8609 |
| EINECS Number | 234-190-3 |
| UN Number | UN 3087 |
| ADR Classification | Class 5.1 (Oxidizing), Packing Group II |
| GHS Classification | GHS03 (Oxidizer), GHS06 (Toxic), GHS08 (Health hazard), GHS05 (Corrosive), GHS09 (Environmental hazard) |
| Purity | ≥98% |
| Melting Point | 100 °C (Dehydrates) |
| Density | 2.348 g/cm³ |
| Storage Temperature | Ambient |
| Physical Form | Orange-red crystalline solid |
Packaging Options
| Catalog Number | Pack Type | Pack Size |
|---|---|---|
| L14890.22 | Glass bottle | 100 g |
| L14890.36 | Glass bottle | 500 g |
Applications
- Oxidizing agent in organic and inorganic synthesis
- Reagent in corrosion testing and metal surface treatment
- Chromic acid preparation for cleaning and analytical applications
- Used in photographic chemicals and textile processing
- Environmental and wastewater analysis for chromium-based testing
- Pigment production and electrochemical applications
Safety and Handling
- Highly toxic – can cause organ damage through prolonged or repeated exposure
- Corrosive – causes severe skin burns and eye damage
- Strong oxidizer – intensifies fire; avoid contact with combustible materials
- Environmental hazard – very toxic to aquatic life
- Always handle in a well-ventilated fume hood
- Use full PPE: chemical-resistant gloves, goggles, lab coat, face shield as needed
- Store in a cool, dry place away from incompatible materials
- Refer to SDS for detailed handling, disposal, and first aid guidelines
Thermo Scientific Sodium Dichromate Dihydrate, 98%, is a powerful and hazardous oxidizing reagent widely used in laboratories and industrial processes. Its reliable purity and broad functionality make it indispensable in controlled chemical synthesis and environmental testing—but it must be handled with stringent adherence to safety and environmental protocols.
- Pack Size: 100g 500g