Home Boron oxide (boron trioxide)

Formula B2O3
Molecular mass 69.62 g/mol
Density  2.46 g/cm3
Melting point 450°C
CAS-No. 1303-86-2
EINECS-No. 2151258

Boron oxide is used as a fluxing agent in enamels and glasses, additional it is the starting material for the synthesis of other boron compounds. Also its use as a bonding agent in hot isostatic pressing of boron nitride ceramics is very common, for this purpose, quantities of 2-6% are added to boron nitride.

This page in German - Diese Seite in Deutsch
© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
These recommendations are believed to be correct. However, no guarantee of their accuracy is given. Therefore, purchasers shall make their own tests to determine suitability for their use. These products are offered for industrial and related uses (e.g. research and development) only. However the user must take the necessary precautions appropriate for products containing chemicals. This description does not imply the absence of any patents, the responsibility whatsoever solely rests with the user.