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Substance Name: Lead, dross, bismuth-rich
RN: 69029-46-5


  • TSCA Definition 2018: A scum formed on the surface of molten lead during the process of removing bismuth by the addition of calcium and magnesium. It consists of lead containing calcium and magnesium bismuthides.

Molecular Formula

  • Unspecified

Classification Code

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Links to Resources

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Names and Synonyms


  • Bismuth refinery caustic dross
  • EC 273-792-0
  • EINECS 273-792-0
  • Lead refinery bismuth dry dross
  • Lead refinery bismuth liquation dross

Systematic Name

  • Lead, dross, bismuth-rich

Registry Numbers

CAS Registry Number

  • 69029-46-5

System Generated Number

  • 0069029465