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Substance Name: Residues (petroleum), clay-treating filter wash
RN: 68918-73-0


  • TSCA Definition 2018: A complex residuum from the solvent washing of clay-treating filters. It consists predominantly of unsaturated hydrocarbons having carbon numbers predominantly greater than C20 and boiling above approximately (

Molecular Formula

  • Unspecified

Classification Code

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Links to Resources

NLM Resources (File Locators)

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Other Resources (Internet Locators)

Names and Synonyms


  • EINECS 272-867-5
  • Filter wash residium

Systematic Names

  • Residues (petroleum), clay-treating filter wash
  • Residues, petroleum, clay-treating filter wash

Superlist Name

  • Residues, (petroleum), clay-treating filter wash

Registry Numbers

CAS Registry Number

  • 68918-73-0

System Generated Number

  • 0068918730