A colorless crystalline compound used in metallurgy and in the manufacture of heat-resistant (borosilicate) glassware. Boric oxide is obtained from Boric acid, Borax, Sodium borate, or Colemanite. It is used in combination with silica as a flux for glazes.
Synonyms and Related Terms
boron oxide; boric anhydride; boron trioxide; boron sesquioxide
Fisher Scientific: MSDS
Physical and Chemical Properties
Soluble in ethanol, hot water.
|Melting Point||450 C|
|Molecular Weight||mol. wt. = 69.6|
|Boiling Point||1500 C|
Resources and Citations
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Henry Hodges, Artifacts: An Introduction to Early Materials and Technology, Ronald P. Frye, Kingston, Canada, 1988
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997