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Methylene chloride, also called dichloromethane, is a volatile, colorless liquid with a chloroform-like odor. Methylene chloride is a solvent used in various industrial processes in many different industries: paint stripping, pharmaceutical manufacturing, paint remover manufacturing, metal cleaning and degreasing, adhesives manufacturing and use, polyurethane foam production, film base manufacturing, polycarbonate resin production, and solvent distribution and formulation.
The predominant means of exposure to methylene chloride is inhalation and skin exposure. OSHA considers methylene chloride to be a potential occupational carcinogen. Short-term exposures to high concentrations may cause mental confusion, lightheadedness, nausea, vomiting, and headache. Continued exposure may also cause eye and respiratory tract irritation. Exposure to methylene chloride may make symptoms of angina more severe. Skin exposure to liquid methylene chloride may cause irritation or chemical burns.
The OSHA methylene chloride standard covers all occupational exposures to methylene chloride in all workplaces.
If your warehouse will be storing or using a product that contains methylene chloride, it’s a good idea to review the safety data sheet for the product. Check the ingredients for your products to see if it contains methylene chloride, also known as dichloromethane, DCM, or MCL. Its Chemical Abstracts Service number (75-09-2) may also be listed on the safety data sheet.
Employers must: