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Substance Name: Residual oils (petroleum), clay-treated
RN: 64742-41-2


  • TSCA Definition 2017: A complex combination of hydrocarbons obtained by treatment of a residual oil with a natural or modified clay in either a contacting or percolation process to remove the trace amounts of polar compounds and impurities present. It consists of hydrocarbons having carbon numbers predominantly higher than C25 and boiling above approximately (

Molecular Formula

  • Unspecified

Classification Code

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Links to Resources

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Names and Synonyms


  • EINECS 265-143-5

Systematic Names

  • Residual oils (petroleum), clay-treated
  • Residual oils, petroleum, clay-treated

Superlist Name

  • Residual oils, (petroleum), clay-treated

Registry Numbers

CAS Registry Number

  • 64742-41-2

System Generated Number

  • 0064742412