(as-et-on-i'-tril), CH 3 CN or C 2 H 3 N. Methyl cyanid. It is a colorless liquid, hav- ing an agreeable odor, and is prepared by distilling acetamid with P 2 5 . It may also be produced from prussic acid and diazo- methane. It melts at — 41 C, boils at 81. 6° C.j and has a sp. gr. of 0.789 at 15 C. Syn., Carbamin.