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Technical Data Sheet
Trimethylamine 25% aqueous solution

Chemical Synonym
  • N,N-Dimethylmethanamine; Methylamine, N,N-dimethyl-; Methanamine, N,N-dimethyl-; TMA

Product Description

TMA is a versatile building block that is used in a limited number of applications. We produce a number of TMA derivatives like choline chloride and chlormequat chloride.

For other applications we sell the TMA in the free market. TMA is used as raw material for choline based pharmaceuticals, surfactants and solvents, cationic starches, phase transfer catalysts, ion-exchange resins,nutraceuticals,…

TMA is available in 2 forms :

  • as anhydrous liquified gas, TMA 100%
  • as aqueous solution, TMA 25, 30 and 40%

We operate our own container fleet for TMA 100%, to guarantee a high quality service.


Density of anhydrous trimethylamine in the liquid state, as a function of temperature:

Heat of vaporization of anhydrous trimethylamine, as a function of temperature:

Specific heat of anhydrous trimethylamine, as a function of temperature:

a. in the vapor state:

b. in the liquid state:

Typical Properties

PropertyTypical Value, Units
Molecular FormulaC3H9N
Molecular Weight59.11 g/mol
Boiling Point30.8 °C (87.44 °F)
     @ 21.1°C0.88 g/cm3
Vapor Pressure 
     @ 20°C (68°F)61 kPa

Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.

2/28/2018 11:35:39 AM