sodium dichloromate

Product Overview

Sodium Dichromate Dihydrate (Na₂Cr₂O₇·2H₂O) is a high-purity, powerful oxidizing agent supplied as a yellow-orange crystalline solid. This inorganic compound is the primary source of chromium for diverse industrial applications, offering high solubility and consistent oxidizing potential. It is essential for processes requiring precise redox reactions, including organic synthesis and surface preparation.

Commonly utilized in metal finishing and electroplating, Sodium Dichromate Dihydrate acts as a corrosion inhibitor and surface modifier. It also serves critical roles in industrial water treatment and the manufacturing of pigments and dyes. This technical-grade material is manufactured to strict specifications, ensuring low impurity levels and reliable batch-to-batch performance for demanding industrial environments.

Key Properties

• Chemical Formula: Na₂Cr₂O₇·2H₂O
• CAS Number: 7789-12-0
• Grade: Dihydrate
• Appearance: Yellow-orange crystalline solid
• Solubility: Highly soluble in water
• Oxidizing Strength: High
• Molecular Weight: 298.00 g/mol

Common Applications

• Metal Finishing & Electroplating: Used to clean metal surfaces, promote adhesion, and provide corrosion resistance in plating baths.
• Chemical Manufacturing: Acts as a strong oxidizer in the synthesis of organic chemicals and pharmaceuticals intermediates.
• Water Treatment: employed for corrosion control in cooling systems and heat exchangers.
• Pigment Production: A key precursor in the manufacture of inorganic chromate pigments.
• Leather Tanning: Facilitates the tanning process to improve durability and finish.

Safety Precautions

DANGER: Sodium Dichromate is a strong oxidizer and a known carcinogen. It is toxic if swallowed, inhaled, or absorbed through the skin. It causes severe skin burns and eye damage.

Handling requires strict adherence to safety protocols including the use of NIOSH-approved respirators, chemical-resistant gloves, goggles, and protective clothing. Use only in a chemical fume hood or well-ventilated area. Keep away from heat, sparks, and combustible materials. Store in a cool, dry, locked area in corrosion-resistant containers. Refer to the Safety Data Sheet (SDS) for comprehensive handling, storage, and emergency procedures.

Benefits

High Solubility – Dissolves readily in water for easy integration into liquid processes.
Consistent Oxidation – Provides reliable redox potential for sensitive chemical synthesis.
Industrial Grade Purity – Minimizes contaminants that could interfere with plating or treatment baths.

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