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Substance Name: Gases (petroleum), recycle, hydrogen-rich
RN: 68478-00-2


  • TSCA Definition 2018: A complex combination obtained from recycled reactor gases. It consists primarily of hydrogen with various small amounts of carbon monoxide, carbon dioxide, nitrogen, hydrogen sulfide, and saturated aliphatic hydrocarbons having carbon numbers in the range of C1 through C5.

Molecular Formula

  • Unspecified

Classification Code

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Links to Resources

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Names and Synonyms


  • EINECS 270-783-3

Systematic Names

  • Gases (petroleum), recycle hydrogen-rich
  • Gases (petroleum), recycle, hydrogen-rich
  • Gases, petroleum, recycle, hydrogen-rich

Superlist Name

  • Gases, (petroleum), recycle, hydrogen-rich

Registry Numbers

CAS Registry Number

  • 68478-00-2

System Generated Number

  • 0068478002