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Substance Name: Tail gas (petroleum), vacuum residues thermal cracker
RN: 68478-34-2


  • TSCA Definition 2018: A complex combination of hydrocarbons obtained from the thermal cracking of vacuum residues. It consists of hydrocarbons having carbon numbers predominantly in the range of C1 through C5.

Molecular Formula

  • Unspecified

Classification Code

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Links to Resources

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Names and Synonyms


  • EINECS 270-815-6
  • Tail gas from delayed coking

Systematic Names

  • Tail gas (petroleum), vacuum residues thermal cracker
  • Tail gas, petroleum, vacuum residues thermal cracker

Superlist Name

  • Tail gas, (petroleum), vacuum residues thermal cracker

Registry Numbers

CAS Registry Number

  • 68478-34-2

System Generated Number

  • 0068478342