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CAS No 9002-89-5 , ethenol

  • Name: ethenol
  • Synonyms: 9002-89-5;ethenol; Hydroxyethene; EINECS 209-183-3; Elvanol; POLYVINYL ALCOHOL; VINYL ALCOHOL;Ethenol; Alcotex 17F-H; Hydroxyethylene;
  • CAS Registry Number:
  • Melting Point: 230-240 ºC
  • Flash Point: 79 ºC
  • Boiling Point: 23.5 °C at 760 mmHg
  • Density: 1.30
  • Safety Statements: Questionable carcinogen with experimental carcinogenic and tumorigenic data by implant route. Flammable when exposed to heat or flame; can react with oxidizing materials. Slight explosion hazard in the form of dust when exposed to flame. To fight fire, use alcohol foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.
  • HS Code: 39053000
  • Flash Point: 79 ºC
  • EINECS: 209-183-3
  • Molecular Weight: 44.05256
  • InchiKey: IMROMDMJAWUWLK-UHFFFAOYSA-N
  • InChI: InChI=1S/C2H4O/c1-2-3/h2-3H,1H2
  • Risk Statements: S24/25
  • Molecular Formula: C2H4O
  • Molecular Structure:CAS No:9002-89-5 ethenol

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References of ethenol
Title: Polyvinyl Alcohol
CAS Registry Number: 9002-89-5
CAS Name: Ethenol homopolymer
Synonyms: PVA
Trademarks: Akwa Tears (Akorn); Elvanol (DuPont); Gelvatol (Monsanto); Liquifilm (Allergan); Mowiol (Hoechst); Polyviol (Wacker); Sno Tears (Chauvin); Vinarol (Gen. Dyes); Vinol (Air Prods. Chem.)
Literature References: A polymer prepd from polyvinyl acetates by replacement of the acetate groups with hydroxyl groups. The alcoholysis proceeds most rapidly in a methanol + methyl acetate mixture in the presence of catalytic amounts of alkali or mineral acids: Hermann, Haehnel, Ber. 60, 1658 (1927). Monograph: C. E. Schildknecht, Vinyl and Related Polymers (Wiley, New York, 1952). The head-to-tail or 1,3-glycol structure is favored: Staudinger et al., Ber. 60, 1782 (1927); J. Prakt. Chem. 155, 261 (1940); Marvel, Denoon, J. Am. Chem. Soc. 60, 1045 (1938); McDowell, Kenyon, ibid. 62, 415 (1940); Marvel, Inskeep, ibid. 65, 1710 (1943). Reviews: M. Leeds in Kirk-Othmer Encyclopedia of Chemical Technology vol. 21 (Wiley-Interscience, New York, 2nd ed., 1970) pp 353-368; Polyvinyl Alcohol, A. C. Finch, Ed. (Wiley, New York, 1973) 640 pp; A. S. Dunn, Chem. Ind. (London) 1980, 801-806. Vinyl alcohol monomer has not been isolated. Review: R. B. Seymour, G. B. Kauffman, J. Chem. Educ. 71, 582 (1994). Comprehensive description: D. Wong, J. Parasrampuria, Anal. Profiles Drug Subs. Excip. 24, 397-441 (1996).
Properties: Dry, unplasticized polyvinyl alcohol powders are white to cream colored, soften at about 200° with decompn. Commercial polyvinyl alcohols have different contents of residual acetyl groups and therefore different viscosity characteristics. The first code number following the trade name indicates the degree of hydrolysis, while the second set of numbers indicates the approx viscosity in cP (4% aq soln at 20°). Polyvinyl alcohols are essentially sol in hot and cold water, but those coded 20-105 require alcohol-water mixtures. Aq solns are colloidal and compatible with lower alcohols. Pure aq solns are neutral or faintly acid and subject to mold growth. Insol in petroleum solvents.
Use: In the plastics industry in molding compds, surface coatings, films resistant to gasoline, textile sizes and finishing compositions; can be compounded to yield elastomers to be used in manuf artificial sponges, fuel hoses, etc., also in printing inks for plastics and glass, in pharmaceutical finishing, cosmetics, water-sol film and sheeting. Pharmaceutic aid (viscosity increasing agent); ophthalmic lubricant.