It is a colourless, flammable liquid with a characteristic smell, miscible with water, alcohol, ether, chloroform and most oils. Also called Dimethyl ketone, Methylacetyl, Propanone, Pyroacetic ether.

它是无色、可燃烧液体，有特别气味，能混和水、酒精、醚、哥罗仿和一般油类。