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Substance Name: Gases (petroleum), deisobutanizer tower overheads
RN: 68477-87-2


  • TSCA Definition 2018: A complex combination of hydrocarbons produced by the atmospheric distillation of a butane-butylene stream. It consists of aliphatic hydrocarbons having carbon numbers predominantly in the range of C3 through C4.

Molecular Formula

  • Unspecified

Classification Code

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Links to Resources

NLM Resources (File Locators)

Regulatory Agencies (Superlist Locators)

Other Resources (Internet Locators)

Names and Synonyms


  • Deisobutanizer tower overhead
  • EC 270-769-7
  • EINECS 270-769-7

Systematic Names

  • Gases (petroleum), deisobutanizer tower overheads
  • Gases, petroleum, deisobutanizer tower overheads

Superlist Name

  • Gases, (petroleum), deisobutanizer tower overheads

Registry Numbers

CAS Registry Number

  • 68477-87-2

System Generated Number

  • 0068477872