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15213

BORON OXIDE, 99% pure, -40 mesh, (Boron Trioxide, Boric Anhydride), B2O3

CAS[1303-86-2]
HYGROSCOPIC

Boron oxide appears as colorless, semi-transparent glassy lumps or hard white odorless crystals. Mp 450°C; bp: 1860°C. Density: 2.46 g cm-3. 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.
Synonyms
Boric anhydride
Boron trioxide
1303-86-2
Diboron trioxide
Boric oxide
B2O3
Boron oxide (B2O3)
boron(III) oxide
Molecular Weight
69.63
Solubility
3 % (NIOSH, 2016)
Boiling Point
3380 °F at 760 mm Hg (NIOSH, 2016)
Melting Point
842 °F (NIOSH, 2016)
Density
2.46 (NIOSH, 2016)

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