Cadmium oxide

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A dark, brown, crystalline powder. Cadmium oxide is used as a Pigment in phosphors, Glass, and ceramic glazes.

Synonyms and Related Terms

anhydrous cadmium oxide


  • Toxic by ingestion or inhalation.
  • Suspected carcinogen.
  • Decomposes with heat to produce toxic fumes.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Soluble in dilute acids, ammonium hydroxide. Insoluble in water.

Composition CdO
CAS 1306-19-0
Melting Point 900-1000 C (dec)
Density 8.15 g/ml(crystals)
Molecular Weight mol. wt. = 128.4

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1593

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