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202851

Sigma-Aldrich

Boric anhydride

99.999% trace metals basis

Sinônimo(s):

Boron trioxide

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About This Item

Fórmula empírica (Notação de Hill):
B2O3
Número CAS:
1303-86-2
Peso molecular:
69.62
Número CE:
215-125-8
Número MDL:
MFCD00011315
Código UNSPSC:
12352300
eCl@ss:
38120103
ID de substância PubChem:
24852124
NACRES:
NA.23

densidade de vapor

>1 (vs air)

Ensaio

99.999% trace metals basis

forma

crystals or chunks

adequação da reação

reagent type: catalyst
core: boron

pf

450 °C (lit.)

solubilidade

ethanol: soluble at 20 °C

densidade

2.46 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

O=BOB=O

InChI

1S/B2O3/c3-1-5-2-4

chave InChI

JKWMSGQKBLHBQQ-UHFFFAOYSA-N

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Descrição geral

Anhydride can be obtained by heating boric acid at temperatures higher than 160oC.1

Aplicação

Reducing boron anhydride in the presence of sodium yields amorphous boron. Whereas reducing in the presence of aluminum at high temperatures affords crystalline boron. 1

Embalagem

Packaged in poly bottles

Pictogramas

Health hazard
GHS08

Palavra indicadora

Danger

Frases de perigo

H360FD

Classificações de perigo

Repr. 1B

Código de classe de armazenamento

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

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

dust mask type N95 (US), Eyeshields, Gloves

Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

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Yinling Wang et al.
Analytical biochemistry, 385(1), 184-186 (2008-11-27)
Glassy carbon electrode modified with boron oxide nanoparticles supported on multiwall carbon nanotubes was obtained via a facile approach. The as-prepared modified electrode exhibits excellent electrocatalytic activity toward the redox of glucose in pH 7.0 phosphate buffer solution. The electrochemical
V Simon et al.
Journal of materials science. Materials in medicine, 18(3), 507-512 (2007-03-06)
Quaternary Ag(2)O-CaO-Bi(2)O(3)-B(2)O(3) glasses and glassceramics are investigated with regard to release behaviour and local structure. The dissolution behaviour in water and physiological serum shows that the cations are released rapidly or gradually and points out a multi-step process, generally characterised
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
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.
Anne Soleilhavoup et al.
Magnetic resonance in chemistry : MRC, 48 Suppl 1, S159-S170 (2010-09-08)
Boron-11 and silicon-29 NMR spectra of xSiO(2)-(1-x)B(2)O(3) glasses (x=0.40, 0.80 and 0.83) have been calculated using a combination of molecular dynamics (MD) simulations with density functional theory (DFT) calculations of NMR parameters. Structure models of 200 atoms have been generated
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