| Section2 = | Section7 = | SPhrases = | RSPhrases = | FlashPt = | Autoignition = | ExploLimits = | PEL = }} }} Trimethylamine, also known as NMe3, N(CH3)3, and TMA, is a colorless, hygroscopic, and flammable simple amine with a typical fishy odor in low concentrations and an ammonia-like odor in higher concentrations. Trimethylamine has a boiling point of 2.9 °C and is a gas at room temperature. Trimethylamine usually comes in pressurized gas cylinders or as a 40% solution in water. Tri… (More on Trimethylamine)