Synopsis：It is used as flux for silicate decomposition, dopant for semiconductor materials, fire-resistant additive for heat-resistant glassware and paint. It is the raw material for preparing elemental boron and various boron compounds. It is used in the production of alloy steel in metallurgical industry. It can also be used as catalyst for organic synthesis, additive of lubricant for high temperature and chemical reagent.
Structural formula:
Properties
Summary
It is used as flux for silicate decomposition, dopant for semiconductor materials, fire-resistant additive for heat-resistant glassware and paint. It is the raw material for preparing elemental boron and various boron compounds. It is used in the production of alloy steel in metallurgical industry. It can also be used as catalyst for organic synthesis, additive of lubricant for high temperature and chemical reagent.
CAS No.
1303-86-2
Formula
B2O3
Molecular Mass
69.62020
Exact Mass
70.00340
PSA
43.37000
Logp
-1.60300
IUPAC
oxo(oxoboranyloxy)borane
Attribute classification
Matter Classification
inorganic
Category
Chemical and Physical Properties
Melting Point
450 °C(lit.)
Density
2.46 g/mL at 25 °C(lit.)
Boiling Point
1860 °C
Flash Point
1860°C
Appearance
White powder or glass sheet
Acidity and Basicity
neutral
Export information
HS Code
28100010
UN No.
0.0
DG-Class
0.0
Risk Code
R36/37/38-61-60
Safety Label
Xi,T
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