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Substance Name: Residues (petroleum), coker scrubber, condensed-ring-arom.-contg.
RN: 68783-13-1


  • TSCA Definition 2018: A very complex combination of hydrocarbons produced as the residual fraction from the distillation of vacuum residuum and the products from a thermal cracking process. It consists predominantly of hydrocarbons having carbon numbers predominantly greater than C20 and boiling above approximately ( This stream is likely to contain 5 wt. % or more of 4- to 6-membered condensed ring aromatic hydrocarbons.

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


  • EINECS 272-187-9
  • Scrubber bottoms from coker (petroleum)

Systematic Names

  • Residues (petroleum), coker scrubber condensed-ring-arom.-contg.
  • Residues (petroleum), coker scrubber, condensed-ring-arom.-contg.
  • Residues, petroleum, coker scrubber, condensed-ring-arom-contg.

Superlist Name

  • Residues, (petroleum), coker scrubber, condensed-ring-arom.-contg.

Registry Numbers

CAS Registry Number

  • 68783-13-1

System Generated Number

  • 0068783131