Sodium dichromate

Sodium dichromate is an inorganic compound with the formula Na2Cr2O7. It is a powerful oxidizing agent and is a common ingredient in laboratories and industries. Sodium dichromate is a crystalline solid, usually bright orange in color. It is highly corrosive and is a strong oxidizer, which makes it a hazardous substance to handle.

Chemical properties

Sodium dichromate is a strong oxidizing agent. It is soluble in water and its solutions are acidic due to the formation of chromic acid. The compound is a strong oxidizer that can ignite or enhance the combustion of other materials. Sodium dichromate is also a known carcinogen.

Production

Sodium dichromate is produced industrially by the reaction of sodium chloride with potassium dichromate. This process is known as the Leblanc process. The reaction produces sodium dichromate and potassium chloride as by-products.

Uses

Sodium dichromate has a wide range of uses in various industries. It is used in the production of chromic acid, in the tanning of leather, in the dyeing of textiles, and in the manufacture of other chromium compounds. It is also used as a wood preservative and as a corrosion inhibitor in cooling towers.

Health effects

Exposure to sodium dichromate can cause severe health effects. It is a known carcinogen and can cause lung cancer if inhaled. It can also cause skin and eye irritation, and prolonged exposure can lead to kidney and liver damage.

See also

• Chromium
• Oxidizing agent
• Leblanc process

References

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