541-41-7

  • English Name: Ethyl Chloroformate
  • CAS Number: 541-41-7
  • Molecular Formula: C₃H₅ClO₂
  • Molecular Weight: 108.52 g/mol

Physical Properties

  • Appearance: Colorless liquid with a pungent odor.
  • Boiling Point: 82-83°C.
  • Density: 1.21 g/cm³.
  • Solubility: Soluble in organic solvents like ethanol and ether.

Chemical Properties

  • Stability: Stable under normal conditions but reacts violently with water to form carbon dioxide and hydrochloric acid.
  • Reactivity:
    • Reacts with alcohols to form carbonates.
    • Reacts with amines to form carbamates.
    • Decomposes at high temperatures to release toxic fumes.

Uses

  • Organic Synthesis: Used as a reagent for the synthesis of carbonates, carbamates, and other organic compounds.
  • Pharmaceuticals: Used as an intermediate in the production of pharmaceuticals.
  • Other Applications: Used in the synthesis of dyes, pesticides, and other chemicals.

Safety Information

  • Toxicity: Highly toxic; inhalation, ingestion, and skin contact can cause severe health effects.
  • Health Hazards: Causes severe irritation to skin and eyes; inhalation may lead to respiratory distress.
  • First Aid:
    • Skin Contact: Rinse thoroughly with soap and water.
    • Eye Contact: Rinse with plenty of water for at least 15 minutes.
    • Inhalation: Move to fresh air and seek medical attention.
    • Ingestion: Do not induce vomiting; seek medical attention.
  • Storage: Store in a cool, dry place, away from moisture and strong bases.

Environmental Information

  • Hazardous Decomposition Products: Phosgene, hydrogen chloride.
  • Ecotoxicity: Harmful to aquatic life.

Transport Information

  • UN Number: UN2527.
  • Hazard Class: 6.1 (Poisonous material).
  • Packing Group: II.

Regulatory Information

  • IARC Classification: Not classified.
  • Occupational Exposure Limit: Not specified.

Packing and shipping