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Substance Name: Tar acids, coal, crude
RN: 65996-85-2


  • TSCA Definition 2018: The reaction product obtained by neutralizing coal tar oil alkaline extract with an acidic solution, such as aqueous sulfuric acid, or gaseous carbon dioxide, to obtain the free acids. Composed primarily of tar acids such a phenol, cresols and xylenols.

Molecular Formula

  • Unspecified

Classification Code

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Links to Resources

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Other Resources (Internet Locators)

Names and Synonyms


  • Crude coal tar acids
  • Crude tar acids (coal)
  • EC 266-019-3
  • EINECS 266-019-3

Systematic Name

  • Tar acids, coal, crude

Registry Numbers

CAS Registry Number

  • 65996-85-2

System Generated Number

  • 0065996852