CAS Number: 80-62-6. A volatile, flammable liquid that
polymerizes readily and is used as a monomer for resins. Chemical
formula = C5H8O2. Molecular weight = 100.1 g/mol.
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Methyl methacrylate is used in the manufacture of resins and
plastics. 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. Respiratory symptoms observed following
acute exposures include chest tightness, dyspnea, coughing,
wheezing, and reduced peak flow. Neurological symptoms have also
been reported in humans following acute exposure to methyl
methacrylate. Fetal abnormalities have been reported in animals
exposed to methyl methacrylate by injection and inhalation. EPA
considers methyl methacrylate not likely to be carcinogenic to
humans.