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Substance Name: Residues (petroleum), topping plant, low-sulfur
RN: 68607-30-7


  • TSCA Definition 2018: A low-sulfur complex combination of hydrocarbons produced as the residual fraction from the topping plant distillation of crude oil. It is the residuum after the straight-run gasoline cut, kerosene cut and gas oil cut have been removed.

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


  • EC 271-763-7
  • EINECS 271-763-7
  • Low sulfur topping plant residues (petroleum)
  • Topped crude-(residual fuel oil)

Systematic Names

  • Residues (petroleum), topping plant low-sulfur
  • Residues (petroleum), topping plant, low-sulfur
  • Residues, petroleum, topping plant, low-sulfur

Superlist Name

  • Residues, (petroleum), topping plant, low-sulfur

Registry Numbers

CAS Registry Number

  • 68607-30-7

System Generated Number

  • 0068607307