sentences:  DMC is a flammable liquid with a flash point of 17 °C (63 °F), which limits its use in consumer and indoor applications.DMC is still safer than acetone, methyl acetate and methyl ethyl ketone from a flammability point of view.DMC has a recommended exposure limit (REL) limit of 100 ppm by inhalation over an 8-hour work day, which is similar to that of a number of common industrial solvents (toluene, methyl ethyl ketone).