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Substance Name: Gases (petroleum), C4-rich
RN: 68477-85-0


  • TSCA Definition 2018: A complex combination of hydrocarbons produced by distillation of products from a catalytic fractionation process. It consists of aliphatic hydrocarbons having carbon numbers in the range of C3 through C5, predominantly C4.

Molecular Formula

  • Unspecified

Classification Code

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Links to Resources

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Other Resources (Internet Locators)

Names and Synonyms


  • Butane, butylene mix
  • EINECS 270-767-6

Systematic Names

  • Gases (petroleum), C4-rich
  • Gases, petroleum, C4-rich

Superlist Name

  • Gases, (petroleum), C4-rich

Registry Numbers

CAS Registry Number

  • 68477-85-0

System Generated Number

  • 0068477850