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CAS No 75-35-4 , 1,1-dichloroethene

  • Name: 1,1-dichloroethene
  • Synonyms: 1,1-dichloroethene; Vinylidine chloride; 1,1-dichloro-;1,1-Dichloroethene; Ethene; 1,1-Dce; Vinylidene dichloride; 1,1-DICHLOROETHYLENE;
  • CAS Registry Number:
  • Transport: UN 1303
  • Melting Point: -122 ºC
  • Flash Point: -25 ºC
  • Boiling Point: 30-32 ºC
  • Density: 1.213
  • Refractive index: n20/D 1.426
  • Water Solubility: moderate
  • Safety Statements: R12;R20;R40
  • Hazard Symbols: Xn: Harmful;F+: Highly flammable;
  • Flash Point: -25 ºC
  • EINECS: 200-864-0
  • Molecular Weight: 96.94328
  • InchiKey: LGXVIGDEPROXKC-UHFFFAOYSA-N
  • InChI: InChI=1S/C2H2Cl2/c1-2(3)4/h1H2
  • Risk Statements: S7;S16;S29;S36/37;S46
  • Molecular Formula: C2H2Cl2
  • Molecular Structure:CAS No:75-35-4 1,1-dichloroethene
References of 1,1-dichloroethene
Title: Vinylidene Chloride
CAS Registry Number: 75-35-4
CAS Name: 1,1-Dichloroethene
Synonyms: 1,1-dichloroethylene; asym-dichloroethylene
Molecular Formula: C2H2Cl2
Molecular Weight: 96.94
Percent Composition: C 24.78%, H 2.08%, Cl 73.14%
Line Formula: CH2=CCl2
Literature References: Prepn from ethylene chloride: Reilly, US 2140548 (1938 to Dow); by dehydrochlorination of 1,1,2-trichloroethane: Conrad, Gould, US 2989570 (1961 to Ethyl Corp.). Review of production, properties and uses: D. S. Gibbs et al. in Kirk-Othmer Encyclopedia of Chemical Technology vol. 23 (Wiley-Interscience, New York, 3rd ed., 1982) pp 764-798; of toxicology and human exposure: Toxicological Profile for 1,1-Dichloroethene (PB 95-100152, 1994) 200 pp.
Properties: Liquid. Mild, sweet odor resembling that of chloroform. d420 1.2129. mp -122.5°. bp760 31.7°. nD20 1.4249. Practically insol in water. Sol in organic solvents. At temps >0° and especially in the presence of oxygen or other suitable catalysts polymerizes to a plastic. Several inhibitors to preserve the monomer have been invented. Uncontrolled polymerization may lead to explosive reaction products with oxygen or ozone: Reinhardt, Chem. Eng. News 25, 2136 (1947).
Melting point: mp -122.5°
Boiling point: bp760 31.7°
Index of refraction: nD20 1.4249
Density: d420 1.2129
CAUTION: Potential symptoms of overexposure are irritation of eyes, skin, throat; dizziness, headache, nausea; dyspnea; liver and kidney dysfunction; pneumonitis. Potential occupational carcinogen. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 332; Patty's Industrial Hygiene and Toxicology vol. 2E, G. D. Clayton, F. E. Clayton, Eds. (John Wiley & Sons, Inc., New York, 4th ed., 1994) pp 4181-4189.
Use: Intermediate in the production of "vinylidene polymer plastics" such as Saran (Dow) .