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Properties          Application Areas

Appearance It is available as anhydrous (liquified gas under pressure) &40 % , 50% and 60%
solution. Clear,clourless liquid with strong ammonical odour.
Physical Properties
Empirical Formula C2H7N
Structural Formula (CH3)2NH
Molecular Wt. 45.08
  For Anhydrous For 40% Soln. For 50% Soln. For 60% Soln.
Sp. gravity at 20°C 0.65-0.66 0.89-0.90 0.85-0.87 0.82-0.84
Boiling point 6.9°C 54°C 45°C 36°C
Freezing point below -90°C below -30°C below -30°C below -30°C
Flash point(closed cup) - below -18°C below -18°C below -18°C
Solubility in water Soluble Soluble Soluble Soluble
Content Unit Anhydrous 40% Solution 50% Solution 60% Solution
Dimethylamine % 99.50min 40.00min 50.00min 60.00min
Water % 00.20max 60.00max 50.00max 40.00max
Ammonia % 00.03max 00.01max 00.02max 00.02max
Other Amines / NOI % 00.30max 00.20max 00.20max 00.20max
IMDG Class
DMA Anhydrous Class 2
DMA Solution    Class 3
UN Code No. DMA Anhydrous 1032
DMA Solution    1160
CAS No. 124-40-3

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