Trimethylamine CAS 75-50-3

Trimethylamine, with the CAS number 75-50-3, is a chemical compound that is primarily recognized for its strong fishy odor, which is often associated with decaying fish and certain marine organisms. It is classified as a tertiary amine and has the molecular formula C3H9N.
Properties of Trimethylamine
Appearance: Trimethylamine is typically a colorless gas at room temperature but is often stored as a liquid under pressure or in aqueous solutions.
Odor: It has a pungent, fishy, and ammoniacal smell, which is noticeable even at low concentrations.
Physical Properties:
Boiling Point: Approximately 3 to 7 °C (37 to 44 °F).
Melting Point: About -117.2 °C (-178.96 °F).
Density: Approximately 670 kg/m³ at 0 °C and 627 kg/m³ at 25 °C.
Solubility: Trimethylamine is miscible with water, meaning it can mix in any proportion with water.
Uses of Trimethylamine
Trimethylamine serves various industrial and chemical purposes, including:
Chemical Synthesis: It is a key building block for the production of choline chloride, tetramethyl ammonium hydroxide, and ion-exchange resins.
Agricultural Applications: Used in the formulation of plant-growth regulators and crop protection agents.
Pharmaceuticals: It is involved in the synthesis of certain pharmaceuticals and surfactants.
Research: Trimethylamine is utilized in biochemical research, particularly in proteomics.
Safety and Hazards
Trimethylamine is classified as hazardous. It can be flammable and poses health risks if inhaled or if it comes into contact with skin. Proper safety measures should be taken when handling this compound, including the use of personal protective equipment and working in well-ventilated areas.
In summary, trimethylamine is a versatile chemical with significant industrial applications, but it requires careful handling due to its hazardous nature and strong odor.