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Substance Name: Naphtha (petroleum), steam-cracked middle arom.
RN: 68516-20-1


  • TSCA Definition 2018: A complex combination of hydrocarbons produced by the distillation of products from a steam-cracking process. It consists predominantly of aromatic hydrocarbons having carbon numbers predominantly in the range of C7 through C12 and boiling in the range of approximately to to

Molecular Formula

  • Unspecified

Classification Code

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Links to Resources

NLM Resources (File Locators)

Regulatory Agencies (Superlist Locators)

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Names and Synonyms


  • EC 271-138-9
  • EINECS 271-138-9
  • Medium steam cracked aromatic naphtha (petroleum)

Systematic Names

  • Naphtha (petroleum), steam-cracked middle arom.
  • Naphtha, petroleum, steam-cracked middle arom.

Superlist Name

  • Naphtha, (petroleum), steam-cracked middle arom.

Registry Numbers

CAS Registry Number

  • 68516-20-1

System Generated Number

  • 0068516201