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Documentos

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:
1303-86-2
Peso molecular:
69.62
EC Number:
215-125-8
MDL number:
MFCD00011315
UNSPSC Code:
12352300
eCl@ss:
38120103
PubChem Substance ID:
57648934
NACRES:
NA.21

grade

for inorganic trace analysis

Quality Level

100

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
GHS08

signalword

Danger

hcodes

H360FD

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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Certificados de análisis (COA)

Lot/Batch Number
MKCV9687
MKCW8787
MKCT8761
MKCQ9370
MKCQ5760

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Sigma-Aldrich

266620

Boron

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)
Elena A Khokhlova et al.
ChemSusChem, 5(4), 783-789 (2012-02-24)
The mechanistic nature of the conversion of carbohydrates to the sustainable platform chemical 5-hydroxymethylfurfural (5-HMF) was revealed at the molecular level. A detailed study of the key sugar units involved in the biomass conversion process has shown that the simple
Xinyong Tao et al.
Nano letters, 8(2), 505-510 (2008-01-09)
Mg2B2O5 nanowires with (010) twins were synthesized for the first time using a catalyst-free method. The microstructure of the Mg2B2O5 nanowires has been extensively studied by cross-sectional high-resolution transmission electron microscopy. Nanoindentation tests were performed directly on individual nanowires to
Jin-Su Nam et al.
Journal of hazardous materials, 172(2-3), 1013-1020 (2009-08-25)
Recently, it was found by the authors of this study that glasses of a special composition have an ability to remove some hazardous ions from waste solutions. In the present study, a SiO(2)-B(2)O(3)-CaO-Na(2)O glass system has been chosen to remove
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