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Substance Name: Gases (petroleum), extractive, C3-5, butadiene-butene-rich
RN: 68477-41-8


  • TSCA Definition 2018: A complex combination of hydrocarbons obtained from oxydehydrogenation and extractive distillation of aliphatic hydrocarbons usually ranging in carbon numbers from C3 through C6, predominantly n-butylenes. It consists of aliphatic hydrocarbons having carbon numbers in the range of C3 through C5, predominantly butadiene and n-butylenes.

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


  • Butadiene-butene-rich C3-5 extractive gases (petroleum)
  • Dehydrogenated butadiene extract
  • EINECS 270-730-4

Systematic Names

  • Gases (petroleum), extractive C3-5 butadiene-butene-rich
  • Gases (petroleum), extractive, C3-5, butadiene-butene-rich
  • Gases, petroleum, extractive, C3-5, butadiene-butene-rich

Superlist Name

  • Gases, (petroleum), extractive, C3-5, butadiene-butene-rich

Registry Numbers

CAS Registry Number

  • 68477-41-8

System Generated Number

  • 0068477418