Methyl Ethyl Ketone
Methyl Ethyl Ketone (MEK), also known as butanone, is an organic compound with the formula CH₃C(O)CH₂CH₃. It is a colorless, volatile liquid with a sharp, sweet odor and is used in various industrial applications due to its excellent solvent properties for many plastics and synthetic fibers. MEK is produced on a large scale in the chemical industry, primarily through the dehydrogenation of secondary butanol.
Production[edit | edit source]
MEK is manufactured through a process that involves the dehydrogenation of secondary butanol. This process can also produce butanone by the oxidation of 2-butanol. The production of MEK is a significant part of the petrochemical industry, as it requires the use of catalysts and specific reaction conditions to achieve high yields.
Uses[edit | edit source]
MEK's primary use is as a solvent in processes involving gums, resins, cellulose acetate, and cellulose nitrate. It's highly effective in the manufacture of plastics, textiles, in the production of paraffin wax, and in household products such as lacquer, varnishes, paint remover, a denaturant for denatured alcohol, glues, and as a cleaning agent. MEK is also used in the synthetic rubber industry and in the printing industry for printing inks.
Health and Safety[edit | edit source]
Exposure to MEK can occur through inhalation, ingestion, or skin contact. It is important to handle MEK with care, as it can cause irritation to the eyes, nose, and throat, and prolonged exposure can lead to more serious health issues such as dermatitis, pulmonary edema, and central nervous system depression. Safety measures include using MEK in well-ventilated areas, wearing protective clothing, and following all safety guidelines for storage and disposal.
Environmental Impact[edit | edit source]
MEK is volatile and contributes to air pollution. It has a moderate potential to cause groundwater contamination and can have toxic effects on aquatic life. Regulations and guidelines are in place to control MEK emissions into the environment, including air and water quality standards.
Regulation[edit | edit source]
The handling, storage, and disposal of MEK are regulated by various health and safety guidelines worldwide. In the United States, the Environmental Protection Agency (EPA) and the Occupational Safety and Health Administration (OSHA) have set standards and exposure limits to protect workers and the environment. Similar regulations are enforced in other countries to ensure safe industrial and commercial use of MEK.
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