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Properties          Application Areas

Appearance It is available as anhydrous (liquefied gas under pressure) & 30 % solution (Clear Colourless liquid)
Physical Properties
Empirical Formula C3H9N
Structural Formula (CH3)3N
Molecular Wt. 59.11
  For Anhydrous For 30% Soln.
Sp. gravity at 20°C 0.625-0.635 0.91-0.92
Boiling point 2.9°C 37-39°C
Freezing point below -115°C below 5°C
Flash point (closed cup) - below 0°C
Solubility in water Soluble Soluble
Content Unit Anhydrous 30% Solution
Trimethylamine % 99.50min 30.00min
Water % 00.20max 70.00max
Ammonia % 00.05max 00.03max
Other Amines / Nol % 00.30max 00.20max
IMDG Class
TMA (Anhydrous) Class 2
TMA (Solution) Class 3
UN Code No. TMA (Anhydrous) 1083
TMA (Solution) 1297
CAS No. 75-50-3

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