Boric Anhydride

฿0,00000000
art: N/A
Formula B2O3
Molar mass 69.6182 g/mol
CAS number 1303-86-2
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Description

Boron trioxide is a colorless, semi-transparent glassy lumps or hard white odorless crystals. Mp 450°C, bp: 1860°C. Density: 2.46 g/cm3. Moderately soluble in water. Used as an insecticide, as the starting material for the synthesis of other boron compounds, as a fluxing agent in enamels and glasses, and in mixture with 2-6% boron nitride, as a bonding agent in the hot isostatic pressing of boron nitride ceramics. Reagent for the decomposition of silicates by fusion.

Formula
B2O3
Molar mass
69.6182 g/mol
CAS Number
1303-86-2
Density
2.46 g/mL at 25°C (77°F)
Purity/Grade
≥98% puriss. p.a.
Apearance
White crystalline
Melting point/freezing point
450 °C (842°F)
pH
5.46 at 25°C (77°F)
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