Beryllium oxide

Jump to navigation Jump to search


A refractory white powder that is used in ceramics, glass, and glazes. Beryllium oxide conducts heat like a metal but provide excellent electrical insulation. Beryllium oxide is also used as an abrasive for polishing hard metals.

Synonyms and Related Terms

beryllia; bromellite; berilo (Esp.); béryl (Fr.); óxido de berílio (Port.)


  • Known carcinogen.
  • Highly toxic by ingestion and inhalation of dust.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Slightly soluble in water, acids or alkalis.

Composition BeO
CAS 1304-56-9
Melting Point 2530 C
Density 3.016 g/ml
Molecular Weight mol. wt. = 25.01

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 102
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1216
  • Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979

Retrieved from ""