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Substance Name: Aromatic hydrocarbons, C6-8, naphtha-raffinate pyrolyzate-derived
RN: 68475-70-7


  • TSCA Definition 2018: A complex combination of hydrocarbons obtained by the fractionation pyrolysis at ( of naphtha and raffinate. It consists predominantly of aromatic hydrocarbons having carbon numbers predominantly in the range of C6 through C8, including benzene.

Molecular Formula

  • Unspecified

Classification Code

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Links to Resources

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Names and Synonyms


  • Aromatic concentrate (BTX)
  • EC 270-658-3
  • EINECS 270-658-3

Systematic Name

  • Aromatic hydrocarbons, C6-8, naphtha-raffinate pyrolyzate-derived

Registry Numbers

CAS Registry Number

  • 68475-70-7

System Generated Number

  • 0068475707