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Merck

339075

Supelco

Boric anhydride

99.98% trace metals basis

Sinónimos:

Boron trioxide

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About This Item

Fórmula empírica (notación de Hill):
B2O3
Número de CAS:
Peso molecular:
69.62
EC Number:
MDL number:
UNSPSC Code:
12352300
eCl@ss:
38120103
PubChem Substance ID:
NACRES:
NA.21

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.

pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Repr. 1B

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Los clientes también vieron

Vapor-phase Beckmann rearrangement of cyclohexanone oxime over boria-hydroxyapatite catalyst
Izumi Y, et al.
Chemistry Letters (Jpn), 12(10), 1649-1652 (1983)
Reduction of ketones to hydrocarbons with triethylsilane: m-nitroethylbenzene
Fry JL, et al.
Organic Syntheses, 60, 108-108 (1981)
Xiaofeng Liu et al.
Chemical communications (Cambridge, England), (27)(27), 4073-4075 (2009-07-02)
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)
Glasses containing varying amounts of B(2)O(3) were prepared by partially or fully replacing the SiO(2) in silicate 45S5 bioactive glass with B(2)O(3). The effects of the B(2)O(3) content of the glass on its conversion to hydroxyapatite (HA) and on the
Pratik Koirala et al.
The journal of physical chemistry. A, 117(6), 1310-1318 (2012-11-03)
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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