Vinylidene chloride

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Colorless liquid that self-polymerizes to form Polyvinylidene chloride. Polyvinylidene chloride is used to make saran fibers and food wrapping film.

Synonyms and Related Terms

1,1-dichloroethene; 1,1-dichloroethylene; DCE


  • Toxic by inhalation.
  • Skin contact causes irritation.
  • Extremely flammable. Flash point = 5.6 C.
  • Explosive limits in air 5.6-11.4%.
  • ThermoFisher: SDS

Physical and Chemical Properties

Soluble in organic solvents. Insoluble in water.

Composition CH2:CCl2
CAS 75-35-4
Melting Point -122.53 C
Density 1.2129 g/ml
Molecular Weight mol. wt. = 97.0
Refractive Index 1.4249
Boiling Point 31.77 C

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: refractive index= 1.61
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Hoechst Celanese Corporation, Dictionary of Fiber & Textile Technology (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 10134 (refr index = 1.4249)