124-40-3

  • English Name: Dimethylamine
  • CAS Number: 124-40-3
  • Molecular Formula: C₂H₇N
  • Molecular Weight: 45.08 g/mol

Physical Properties

  • Appearance: Colorless gas or liquid with an ammonia-like odor at high concentrations; fishy odor at low concentrations.
  • Melting Point: -96°C.
  • Boiling Point: 7°C.
  • Density: 0.680 g/cm³ (liquid at 0°C).
  • Solubility: Highly soluble in water, ethanol, and ether.
  • Vapor Pressure: 16.97 psi at 55°C.
  • Odor: Ammonia-like at high concentrations, fishy at low concentrations.

Chemical Properties

  • Basicity: Weakly basic, forms salts with acids.
  • Reactivity: Highly flammable; reacts violently with strong oxidizers.
  • Stability: Stable in aqueous solutions but highly flammable in pure form.

Uses

  • Rubber Industry: Used as a rubber vulcanization accelerator.
  • Pharmaceuticals: Used in the synthesis of antibiotics and other drugs.
  • Agriculture: Used as an intermediate for pesticides such as dimethoate and methomyl.
  • Chemical Synthesis: Used in the production of N,N-dimethylformamide and other organic intermediates.
  • Textiles: Used as a solvent and intermediate in textile processing.

Safety Information

  • Toxicity: Toxic; inhalation of high concentrations can cause respiratory irritation and damage.
  • Health Hazards: Causes severe irritation to eyes, skin, and mucous membranes.
  • Flammability: Highly flammable; forms explosive mixtures with air.
  • Storage: Store in a cool, well-ventilated area, away from oxidizers and sources of ignition.
  • Safety Phrases:
    • S16: Keep away from sources of ignition.
    • S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
    • S45: In case of accident or if you feel unwell, seek medical advice immediately.

Production Methods

  • Synthesis: Produced by the catalytic amination of methanol and ammonia at high temperature and pressure.

Packing and shipping