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.
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