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General information

Dimethylamine is generally used as a solution in water at concentrations up to around 40%. It is used as a de-hairing agent in tanning, in dyes, in rubber accelerators, in soaps and cleaning compounds and as an agricultural fungicide. It is a key raw material for production of pharmaceuticals such as dimethylamine hydrochloride.

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Variants

  • DMA Anhydrous
  • DMA 40%
  • DMA 50%
  • DMA 60%

Properties

Appearance

It is available as anhydrous (liquified gas under pressure) & 40%, 50% and 60% solution. Clear, colorless liquid with strong ammoniacal odor.

Physical Properties

Empirical FormulaC2H7N
Structural Formula(CH3)2NH
Molecular Wt.45.08
Sp. Gr. at 20ºCFor Anhydrous
0.65-0.66		For 40% Soln.
0.89-0.90		 For 50% Soln.
0.85-0.87		For 60% Soln.
0.82-0.84
Boiling Point6.9°C54°C45°C36°C
Freezing Pointbelow -90°Cbelow -30°Cbelow -30°Cbelow -30°C
Solubility in waterSolubleSolubleSolubleSoluble
Flash Point (closed cup)-below -18°Cbelow -18°Cbelow -18°C

Specifications

ContentUnitAnhydrous40% solution50% Solution60% Solution
DMA%99.50 min.40.00 min.50.00 min.60.00 min.
Water%00.20 max.60.00 max.50.00 max.40.00 max.
Ammonia%00.03 max.00.01 max.0.02 max.0.02 max.
Other Amines / NOI%00.30 max.00.20 max.00.20 max.00.20 max.
  • IMDG ClassDMA Anhydrous Class 2
    DMA Solution Class 3
  • UN Code No.DMA Anhydrous 1032
    DMA Solution 1160
  • HSN Code: 2921.11.90
  • CAS No.124-40-3

Applications

  • applications
    Textiles

    Used as a modifier in the manufacture of viscose rayon filament and tyre cord, to improve the tensile strength.

  • applications
    Agro Chemicals

    To manufacture crop protective fungicides, insecticides and herbicides like 2,4-D & 2,4-5 T dimethylamine salts, urea derivatives like Diurion, Monuron, Chloroxuron, Fenuron, etc.

  • applications
    Solvent

    As a raw material for the manufacture of powerful and versatile solvents like Dimethyl Acetamide (DMAC), Dimethylformamide (DMF), Hexamethyl phosphoramide used in acrylic fiber, pharmaceutical and other industries.

  • applications
    Pharmaceuticals

    To manufacture anaesthetics like Pentocaine based on Dimethyl Aminoethanol, tranquilizers like Sparine, and local anaesthetics like Tetracaine. It is also used extensively in the manufacture of antibacterials like Trimethoprim and antidiabetics like Metformin HCl.

  • applications
    Rubber Chemicals

    As a raw material to manufacture vulcanisation accelerators such as Tetra Methyl Thiuram Disulphide (TMTDS), Zinc Dimethyldithiocarbamate, Sodium Dimethyldithiocarbamate, and Potassium Dimethyldithiocarbamate.

  • applications
    Dyes

    Used in the manufacture of acid dyes and stilbene dyes.

  • applications
    Ion Exchange

    Used in the manufacture of water purification ion exchange resins like quaternary ammonium salts based on chloromethylated styrene copolymer and Dimethylaminoethanol.

  • applications
    Propellant

    As a raw material to manufacture 1,1-Dimethyl Hydrazine.

  • applications
    Miscellaneous

    Used to manufacture emulsifying agent like Dimethylaminoethanol, 2-Amino-2-Methyl-1-Propanol. Surfactant like Lauryl Dimethylamine Oxide. Quaternary ammonium compounds, which act as germicides.

Storage

  • DMA anhydrous should be stored in a suitably designed pressure vessel. DMA solution drums should be stored in a cool, well-ventilated area away from sources of ignition. Avoid contact with copper and its alloys.

Health & Safety

  • Dimethylamine is irritating to the skin, eyes, and mucous membrane. In case of contact, the affected area is to be washed with plenty of water at least for 15 minutes.
  • In case of inhalation, the victim should be moved to fresh air and oxygen should be administered. In case of ingestion, the victim should be made to consume a copious quantity of milk and water. Medical advice should be sought at once.
  • Personal protective equipment should always be used while handling.

Disclaimer

All data, statements and recommendations contained in this publication are based upon the information available and are believed to be reliable. However, all such data, statements and recommendations are given gratis and Alkyl Amines Chemicals Ltd. assumes no obligation or liability, and makes no warranty, either express or implied, with regard to the data, statements and recommendations given or the application of the products covered in this publication, or the results obtained; all such data, statements and recommendations being given and accepted at the user's risk. Nothing printed in this publication is to be construed as permission, or a recommendation, to practice any patented invention without a license.

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