Lead oxide

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Bronze dowel coated with lead oxide; MFA# Res.84.50


Lead oxide is found in the red tetroxide (Red lead), the yellow monoxide (Litharge, Massicot) form, the brown dioxide form and the black suboxide form. These toxic pigments may be dissolved in acids and are sensitive to sulfur gases. See Lead dioxide, Lead monoxide, and Lead tetroxide.

Synonyms and Related Terms

oxyde de plomb (Fr.); xido de chumbo (Port.)

Examples include: lead monoxide (litharge, massicot); lead dioxide (brown); lead tetroxide (red lead, minium); lead suboxide (black)


  • Toxic by inhalation or ingestion
  • Skin contact may cause irritation or ulcers.
  • Carcinogen, teratogen, suspected mutagen.
  • ThermoFisher: SDS