Trimethylamine(TMA)

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75-50-3

Trimethylamine(TMA)

EINECS number:200-875-0

HS Code: 2921110090


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Product Description

Main uses


  • Preparation of choline chloride (feed additive)

  • Organic synthesis intermediates: quaternary ammonium salts, cationic surfactants, ion-exchange resins.

  • Pharmaceutical raw materials: synthetic antibiotics, antihistamines

  • Pesticide intermediates: raw materials for herbicides and fungicides

  • Raw material for rubber additives, dyes, and photosensitive materials; can serve as a natural gas warning agent or disinfectant.


Specification Model Table


Surveillance projectUnitLevel indicatorResult
High-class productsFirst-classQualified product
Surface/Colorless transparent liquid, free of visible mechanical impuritiesQualified
Trimethylaminew% ≥30303030.68
Monomethylaminew% ≤0.10.150.20.004
Dimethylaminew% ≤0.10.150.20.01
Ammoniaw% ≤0.020.080.12<0.001


Package170 KG/Drum, 80 drums, 13.6 MT/20'FCL
Storage ConditionsStore in a cool, dry, well-ventilated place, away from fire.
AppearanceColorless, transparent liquid with a strong, fishy, ammoniacal odor; highly volatile and strongly alkaline.
Purity30/40%
Density0.820 g/cm³
Chemical FormulaC₃H₉N
Molecular Weight59.11
Melting Point-117.1 °C
Boiling Point26 °C


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