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
Soluble in ethanol, hot water.
|Molecular Weight||mol. wt. = 69.6|
Hazards and Safety
Sources Checked for Data in Record
- 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