Ethylene di bromide

Ethylene di bromide

CAS Number:106‑93‑4

Synonyms: 1,2‑Dibromoethane; Ethylene bromide; EDB

Chemical Formula:C₂H₄Br₂

Overview

A clear, colorless, volatile liquid with a sweet, chloroform‑like odor. Historically used in fumigants and as an anti‑knock gasoline additive; now mainly employed as a chemical intermediate under strict regulation.

Physical & Chemical Properties

  • Melting Point: ~9.8 °C
  • Boiling Point: ~131–132 °C
  • Density: ~2.17–2.20 g/mL @ 20 °C
  • Vapor Pressure:~11–12 mmHg @ 20 °C
  • Stability:Slightly soluble in water (~0.4 g/100 mL)
  • Vapor Density:~6–6.5× air

Applications

  • Chemical intermediate in organic synthesis
  • Formerly used as soil fumigant and gasoline additive

Safety & Handling

  • Highly toxic & carcinogenic (IARC 1 classification)
  • Acute exposure causes CNS, liver, kidney toxicity; workplace exposure fatal incidents reported
  • Non-combustible but heavy vapor may displace oxygen and poses inhalation risk
  • Store cool, ventilated, and under strict control; UN 2078, Class 6.1 PG III
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