1) Monomethylamine 
Methylamine is the organic compound with a formula of CH3NH2. This colorless gas is a derivative of ammonia, but with one H atom replaced by a methyl group. It is the simplest primary amine. It is sold as a solution in methanol, ethanol, THF, and water, or as the anhydrous gas in pressurized metal containers. Industrially, methylamine is transport...
• (n.) See Methyl amine, under Methyl.
Meth`yl·am'ine noun (Chemistry) See Methyl amine , under Methyl . 
methylamine A toxic flammable gas produced by the decomposition of organic matter and synthesized for use as a solvent and in the manufacture of many products; such as, dyes and insecticides.