Cyclohexanone

Cyclohexanone is an organic compound with the formula (CH₂)₅CO. It is a colorless, oily liquid with an acetone-like smell. Cyclohexanone is a key intermediate in the production of nylon, making it an important compound in the chemical industry. It is also used as a solvent and in the synthesis of various organic compounds.

Production

Cyclohexanone is primarily produced by the oxidation of cyclohexane in air, typically using a catalyst such as cobalt or manganese naphthenate. The process involves the formation of cyclohexanol as an intermediate, which is further oxidized to cyclohexanone. Another method for producing cyclohexanone is through the hydrogenation of phenol, which is more commonly used in regions where phenol is readily available.

Uses

The most significant use of cyclohexanone is in the production of nylon. Cyclohexanone is converted into adipic acid and caprolactam, which are precursors to Nylon-6,6 and Nylon-6, respectively. It is also used as a solvent for paints, varnishes, and in the cleaning industry due to its effectiveness in dissolving certain substances. Additionally, cyclohexanone serves as a starting material for the synthesis of several organic compounds, including cyclohexanone oxime, which is further processed to produce caprolactam.

Safety and Environmental Considerations

Cyclohexanone is flammable and should be handled with care. It poses health risks if inhaled, ingested, or comes into contact with skin, causing irritation and potentially more severe health effects with prolonged exposure. In the environment, cyclohexanone can contribute to air and water pollution. It is subject to regulations regarding its use, disposal, and emissions to prevent environmental contamination and protect human health.

See also

• Cyclohexanol
• Adipic acid
• Caprolactam
• Nylon