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68.90 $
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Boric Anhydride 98% puriss p.a.
  • 50g Boric Anhydride 98% puriss p.a.

  • $ 68.90000000
  • 250g Boric Anhydride 98% puriss p.a.

  • $ 214.70000000
  • 1kg Boric Anhydride 98% puriss p.a.

  • $ 520.00000000
 

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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.
Appearance
White crystalline
Melting point/freezing point
450 °C (842°F)
pH
5.46 at 25°C (77°F)
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