Cal osha breathing zone2/20/2023 The symptoms may even continue to get worse for a few months after exposure stops. These effects often slowly improve if exposure is stopped, but they can last for many months and may be permanent. In severe cases, there may be muscle wasting (shrinking) and, rarely, paralysis. Muscles may become weak, especially in the hands, legs, and feet. There may be reduced ability to sense touch, pain, vibration, and temperature. The first symptom is usually numbness or tingling in the feet and legs, and then in the hands. Repeated overexposure to n-hexane (probably for months) can damage nerves in the feet, legs, hands, and arms. That depends mainly on the amount (the concentration) of hexane in the air and how long you are exposed. Your risk of health effects depends on the amount of n-hexane that enters your body. Some can enter your body when hexane touches your skin. N-Hexane enters your body when you breathe n-hexane vapors or droplets of spray in the air. ![]() California Department of Industrial Relations.HAZARD EVALUATION SYSTEM & INFORMATION SERVICEġ515 Clay Street, Suite 1901, Oakland, CA 94612Ĭalifornia Department of Health Services Wurth Brake and Parts Cleaner (liquid and aerosol) Technical Chemical Non-Chlorinated Brake Cleaner Taylor Made Non-Chlorinated Brake Cleaner Sherwin Williams Non-Chlorinated Brake Cleaner Seymour of Sycamore Non-Chlorinated Brake Cleaner If a product contains n-hexane, the MSDS should identify it in section 2 by the CAS number 110-54-3.īerryman B-12 Chemtool Carb and Choke Cleaner Your employer must have an MSDS for any workplace product that contains a hazardous substance, and must make the MSDS available to you on request. If you may be exposed to hexane at work, ask to see the Material Safety Data Sheet (MSDS) for each brake and parts cleaning product in your work area. Other workers likely to be exposed to hexane include laboratory workers, construction workers, and artists. In addition to the recent cases among auto mechanics, nerve damage from hexane exposure has been reported among workers making jet engine parts, furniture, shoes, sandals, and vegetable oil, and doing printing press proofing. Pure n-hexane is a colorless, very fast-evaporating liquid with a faint disagreeable odor. Commercial hexane usually contains 20% to 80% n-hexane, so you should treat all hexane as if it's n-hexane. It's used mainly in vegetable oil extraction and in cleaners, degreasers, glues, and spray paints. How to know if you are working with n-Hexane This Health Hazard Advisory was prompted by cases of nerve damage identified among auto mechanics using spray brake cleaner that contains n-hexane. Health effects have only been reported when exposure levels were above California's workplace Permissible Exposure Limit- but people working with n-hexane can easily be exposed to levels that high. ![]() Short-term overexposure can cause headache, dizziness, loss of appetite, giddiness, and drowsiness. ![]() The symptoms include numbness, tingling, weakness (sometimes even paralysis), and reduced ability to feel touch, pain, vibration, and temperature. The damage can last a long time and may become permanent. Long-term overexposure to n-hexane can damage the nerves in the feet, legs, hands, and arms. Brochure explaining the health hazards associated with exposure to the solvent n-Hexane, how to identify if you are at risk, and how to reduce exposures.
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