
Sodium Dichromate Anhydrous (Na₂Cr₂O₇) is a chemical compound available mainly as an orange-colored powder or crystalline form. It is one of the primary chromium compounds widely used in various industrial processes. Sodium dichromate is a strong oxidizing agent applied in different industries, including dye manufacturing, leather tanning, and the production of other chemical compounds. Additionally, it is known as an effective and efficient material in the steel industry and metal plating. This compound plays a crucial role in various chemical processes, including oxidation reactions and the production of chromium-based pigments.
Technical Specifications
| Chemical Formula: | Na₂Cr₂O₇ |
| Other Names |
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| CAS Number | 7775-11-3 |
| Molar Mass | 294.19 g/mol |
| Appearance | Noncaking crystalls of light orange to dark red colour. |
Applications
- Dye Manufacturing: Used in the production of chromium-based dyes and for coloring materials.
- Leather Industry: Essential for leather tanning processes.
- Organic Chemistry: Used in the synthesis of various chemical compounds.
- Steel Industry: Applied to create corrosion-resistant coatings.
- Metal Plating: Used in electroplating processes to produce protective coatings.
Environmental Impact
Sodium dichromate can be harmful to the environment and aquatic ecosystems. Improper handling may lead to contamination of water sources. Since this compound does not naturally decompose, it may cause long-term environmental damage. Therefore, its usage should be strictly controlled and limited to prevent pollution.
Safety and Regulations
Sodium dichromate is highly hazardous and may cause skin, eye, and respiratory irritation. It must be handled with strict safety measures, avoiding direct contact. The use of protective equipment such as gloves, safety goggles, and respiratory masks is essential. In case of skin or eye contact, immediate washing and medical attention are required.
Packaging
UN-approved polypropylene bags of 25 kg net each; stacked on wooden pallets, shrink wrapped;
