339075
Boric anhydride
99.98% trace metals basis
Synonym(s):
Boron trioxide
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About This Item
Empirical Formula (Hill Notation):
B2O3
CAS Number:
Molecular Weight:
69.62
EC Number:
MDL number:
UNSPSC Code:
12352300
eCl@ss:
38120103
PubChem Substance ID:
NACRES:
NA.21
Recommended Products
grade
for inorganic trace analysis
Quality Level
vapor density
>1 (vs air)
Assay
99.98% trace metals basis
form
powder
mp
450 °C (lit.)
density
2.46 g/mL at 25 °C (lit.)
SMILES string
O=BOB=O
InChI
1S/B2O3/c3-1-5-2-4
InChI key
JKWMSGQKBLHBQQ-UHFFFAOYSA-N
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Application
Boric anhydride in sulfuric acid may be used as a scrubber to remove the hydrogen fluoride gas formed as a byproduct during the selective reduction of ketones to hydrocarbons using triethylsilane and boron trifluoride. In combination with hydroxyapatite, it may be used to catalyze the vapor-phase Beckmann rearrangement process to form nylon-6.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Repr. 1B
Storage Class Code
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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A facile strategy based on the reaction of urea and boric acid is developed for the synthesis of toxicity-free BCNO nanocrystals containing carbon impurities and which exhibit efficient multi-color fluorescence under both single-photon and two-photon excitation.
Roger F Brown et al.
Journal of biomedical materials research. Part A, 88(2), 392-400 (2008-02-29)
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Using density functional theory based calculations, we have systematically studied the equilibrium geometries, relative stabilities, and electronic and magnetic properties of Fe and Mn atoms interacting with a varying number of BO(2) moieties. These clusters are found to exhibit hyperhalogen
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