Ethylene Dichloride

Ethylene Dichloride

CAS Number:107‑06‑2

Synonyms:Ethylene dichloride; 1,2‑Dichloroethane; EDC; Ethylene chloride

Chemical Formula:C₂H₄Cl₂

Molecular Weight:98.96 g/mol

Product Introduction

A clear, colorless, oily liquid with a pleasant chloroform‑like odor. Primarily used to produce vinyl chloride monomer for PVC manufacturing; also serves as a solvent in closed industrial processes and metal degreasing.

Physical & Chemical Properties

Property Value
Appearance Colorless oily liquid
Odor Chloroform‑like; odor threshold ~6–10 ppm
Density @ 25 °C ~1.256 g/cm³
Melting Point –35 to –36 °C
Boiling Point ~83 °C
Vapor Pressure @ 20 °C ~87 mm Hg
Refractive Index (n₂₀ᴅ) ~1.444
Solubility in Water ~8–9 g/L
Vapor Density ~3.4 × air
Flash Point 60 °F (~16 °C)
Explosive Limits 6.2–15.9 vol %

Applications

  • PVC precursor: Converted to vinyl chloride monomer.
  • Industrial solvent: Degreasing, extraction, cleaning.
  • Specialty uses: Fumigant, metal degreaser, ingredient in adhesives/coatings.

Safety Notes

  • Classified as IARC Group 2B (possibly carcinogenic); exposure limited to 1–10 ppm (ACGIH), OSHA PEL 50 ppm.
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