NIOSH Pocket Guide to Chemical Hazards - Methyl methacrylate …
irritation eyes, skin, nose, throat; dermatitis. NIOSH/OSHA. Important additional information about respirator selection. Methacrylate monomer, Methyl ester of methacrylic acid, Methyl-2-methyl-2-propenoate Colorless liquid with an acrid, fruity odor.
Methacrylates - Chemical Safety Facts
2022年10月14日 · In manufacturing settings, people who work with this material may experience irritation, an allergic reaction, or asthma trigger. OSHA has defined a permissible exposure limit for methyl methacrylate in industrial workplace settings.
Contact can irritate the eyes, skin, nose and throat. Breathing Methyl Methacrylate can irritate the lungs causing coughing and/or shortness of breath. Higher exposures can cause a build-up of fluid in the lungs (pulmonary edema), a medical emergency, with severe shortness of breath.
METHYL METHACRYLATE | OSHA.gov | Occupational Safety and …
Mizunuma, K., et al.: Biological monitoring and possible health effects in workers occupationally exposed to methyl methacrylate. Int. Arch. Occup. Environ. Health 65 (4): 227-232, 1993. NIOSH: Occupational Health Guideline for Methyl Methacrylate. September 1978.
Methyl methacrylate is irritating to the skin, eyes, and mucous membranes in humans. An allergic response to dermal exposure may develop. Respiratory effects have been reported in humans following acute (short-term) and chronic (long-term) inhalation exposures.
Health Hazard Summary: The most common effect of overexposure to methyl methacrylate (MMA) is irritation of the skin, eyes, nose, throat, or lungs. MMA can affect the nervous system, causing symptoms similar to drunkenness, but most people will experience irritation first.
inhalation RfC considers toxic effects for both the respiratory system (portal of entry) and for effects peripheral to the respiratory system (extrarespiratory or systemic effects). It is expressed in units of mg/m3. The carcinogenicity assessment is meant to …
Methyl methacrylate - Wikipedia
In terms of the acute toxicity of methyl methacrylate, the LD 50 is 7–10 g/kg (oral, rat). It is an irritant to the eyes and can cause redness and pain. [16] [17] Irritation of the skin, eye, and nasal cavity has been observed in rodents and rabbits exposed to relatively high concentrations of methyl methacrylate. Methyl methacrylate is a ...
Allergy to acrylates - DermNet
Methyl methacrylate and ethyl acrylate are now part of the North American Standard Series in the baseline series of patch test allergens and have identified many cases of acrylate allergy. Patch test concentration for methyl methacrylate is 2% in …
Toxicity of methyl methacrylate in dentistry - PubMed
Methyl methacrylate (MMA), a monomer of acrylic resin, has a wide variety of dental, medical and industrial applications. Concerns have been raised regarding its potential toxicity in dental use, both for the patient and also in the workplace.
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