Physical Properties
- Appearance: Colorless liquid with an ammonia-like odor.
- Melting Point: -78°C.
- Boiling Point: 56°C.
- Flash Point: -11°C.
- Density: 0.85 g/mL (at 20°C).
- Solubility: Soluble in water.
Chemical Properties
- Reactivity: Ethyleneimine is highly reactive and readily polymerizes, especially in the presence of acids or catalysts.
- Ring-opening Reactions: The strained three-membered ring structure undergoes ring-opening reactions with acids and nucleophiles.
- Polymerization: It is used as a monomer for polyethyleneimine and other polymers.
Uses
- Polymer Production: Used as a monomer for polyethyleneimine, which is used in paper, textiles, adhesives, ion-exchange resins, and more.
- Chemical Intermediate: Used in the production of triethylenemelamine and other amines.
- Agricultural and Industrial Applications: Used in the synthesis of agricultural chemicals, coatings, lubricants, and other industrial chemicals.
Safety Information
- Toxicity: Highly toxic; classified as a carcinogen with severe health hazards.
- Hazard Class: Flammable liquid, toxic inhalation hazard.
- Health Risks: Causes severe skin and eye irritation, respiratory tract irritation, and potential long-term health effects.
- Storage: Store in a cool, well-ventilated area, away from acids and oxidizers.
Handling and Storage
- Handling: Use explosion-proof equipment and avoid contact with acids, silver, or aluminum.
- Storage: Keep in tightly closed containers and store in a flammable liquid storage area.
Environmental Concerns
- Ecotoxicity: Harmful to aquatic life.
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