Azodicarbonamide

Azodicarbonamide (ADA) is a chemical compound commonly used in the production of flour for its bleaching and improving properties. It is also used in the production of foamed plastics and the manufacture of gaskets. In the United States, it is allowed as a food additive, while in Europe and Australia, it is banned for use in food products.

Chemical Properties

Azodicarbonamide is a yellow to orange-red, odorless, crystalline powder. It is soluble in acetic acid, ammonia, sodium hydroxide, sulfuric acid, and dimethylformamide, but insoluble in water and common organic solvents. It decomposes on heating to evolve nitrogen, carbon monoxide, carbon dioxide, and ammonia.

Uses

Azodicarbonamide is primarily used as a blowing agent in the production of foamed plastics. It is also used as a flour treatment agent to bleach and improve the condition of dough. In the rubber and plastics industries, it is used as a blowing agent to create foams. In the food industry, it is used as a flour bleaching agent and dough conditioner.

Health Effects

Exposure to azodicarbonamide can cause asthma, allergies, and skin irritation. Ingestion can lead to gastrointestinal discomfort. Long-term exposure can lead to respiratory issues and skin sensitization. The World Health Organization has classified azodicarbonamide as a possible human carcinogen.

Regulation

In the United States, the Food and Drug Administration (FDA) allows the use of azodicarbonamide as a food additive. However, in the European Union and Australia, it is banned for use in food products due to potential health risks.

See Also

• Food additive
• Flour treatment agent
• Blowing agent
• Foamed plastics

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