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Substance Name: Extracts (petroleum), cold-acid, C3-5, butene-rich
RN: 68477-62-3


  • TSCA Definition 2018: A complex combination of organic compounds produced by cold acid unit extraction of predominantly butenes and isobutylene. It consists of saturated and unsaturated aliphatic hydrocarbons having carbon numbers in the range of C3 through C5, predominantly butenes.

Molecular Formula

  • Unspecified

Classification Code

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Links to Resources

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Names and Synonyms


  • Butylenes extract
  • EINECS 270-743-5

Systematic Names

  • Extracts (petroleum), cold-acid C3-5 butene-rich
  • Extracts (petroleum), cold-acid, C3-5, butene-rich
  • Extracts, petroleum, cold-acid, C3-5, butene-rich

Registry Numbers

CAS Registry Number

  • 68477-62-3

System Generated Number

  • 0068477623