Trimethylamine, (CH₃)₃N is a colourless, toxic, flammable, alkaline gas with a fishy odour in lower concentrations, and an ammonical odour in higher concentrations.

Applications
Pure trimethylamine is used:

• in various chemical reactions.

Materials Compatibility
Metals: Stainless Steel; Carbon Steel; Monel.
Plastics: Kel-F; PTFE; PVC; PE.
Elastomers: Viton.

Technical Properties
Molecular Weight: 59.11
Specific Gravity (Air = 1): 2.087
Odour: Fishy in lower concentrations and ammonical in higher concentrations
CAS Registry No.: 75-50-3