trimethylaminem
Trimethylamine, often abbreviated as TMA, is a chemical compound with the formula (CH₃)₃N. It is a tertiary amine, meaning the nitrogen atom is bonded to three methyl groups. TMA is a colorless gas at room temperature with a strong, unpleasant odor, often described as fishy or ammoniacal. This characteristic smell is responsible for the odor of decaying fish and is a common component of human and animal urine and feces.
Trimethylamine is highly soluble in water and in many organic solvents. It is a weak base and
TMA has various applications. It is used in the synthesis of choline chloride, an important animal feed