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Boric anhydride

Name: Boric anhydride
Brand: SIAL

granulated, ≥98.0% (T)

Sinonimo/i:

Boron trioxide

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About This Item

Formula empirica (notazione di Hill):

B₂O₃

Numero CAS:

1303-86-2

Peso molecolare:

69.62

Numero CE:

215-125-8

Numero MDL:

MFCD00011315

Codice UNSPSC:

12352306

eCl@ss:

38120103

ID PubChem:

57646939

NACRES:

NA.21

Densità del vapore

>1 (vs air)

Livello qualitativo

100

Saggio

≥98.0% (T)
98.0-102.0% (titration)

Forma fisica

solid

Qualità

granulated

Perdita

≤3% loss on ignition, 800 °C

Punto di fusione

450 °C (lit.)

Densità

2.46 g/mL at 25 °C (lit.)

Cationi in tracce

Fe: ≤300 mg/kg

Stringa SMILE

O=BOB=O

InChI

1S/B2O3/c3-1-5-2-4
JKWMSGQKBLHBQQ-UHFFFAOYSA-N

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Applicazioni

Boric anhydride also referred to as boron trioxide or boron oxide (B₂O₃) has been used for preparing specimens of Bi₄B₂O₉ceramics. It has also been used for WO₃/B₂O₃/Al system for investigating the impact of Ar gas pressure on the SHS reaction products.

Azioni biochim/fisiol

Boric anhydride is an oxide of boron that shows antimicrobial property along with lower aminoalcohols.

Pittogrammi

GHS08

Avvertenze

Danger

Indicazioni di pericolo

H360FD

Consigli di prudenza

P201 - P202 - P280 - P308 + P313 - P405 - P501

Classi di pericolo

Repr. 1B

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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Sigma-Aldrich

B6768

Acido borico

Antimicrobial properties of the products from the reaction of various aminoalcohols and boric anhydride.

S Watanabe

Materials Chemistry and Physics, 19, 191-195 (1988)

Effect of Bi₄B₂O₉ addition on the sintering temperature and microwave dielectric properties of BaO-Nd₂O₃-4TiO₂ ceramics.

Xingyu Chen

Journal of Materials Science: Materials in Electronics, 24, 224-229 (2013)

Influence of Ar Pressure on Product Characteristics of Self-Propagating High-Temperature Synthesis from WO3/B2O3/Al Reactant System.

Tawat Chanadee et al.

Advanced Materials Research, 748, 32-35 (2013)

Mixed alkali effect in Mn2+ doped 20ZnO+xLi2O+(30-x)K2O+50B2O3(5≤x≤25) glasses.

G Krishna Kumari et al.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 101, 140-147 (2012-10-27)

Divalent Mn2+ ions containing 20ZnO+xLi2O+(30-x)K2O+50B2O3(5≤x≤25) mol% glasses are prepared by using melt quench technique and are characterized by several spectroscopic techniques. Various physical parameters are evaluated from the measured values of density and refractive index for the observation of mixed

Chelating agent free-solid phase extraction (CAF-SPE) of Co(II), Cu(II) and Cd(II) by new nano hybrid material (ZrO2/B2O3).

Ozcan Yalçinkaya et al.

Journal of hazardous materials, 195, 332-339 (2011-09-06)

New nano hybrid material (ZrO(2)/B(2)O(3)) was synthesized and applied as a sorbent for the separation and/or preconcentration of Co(II), Cu(II) and Cd(II) in water and tea leaves prior to their determination by flame atomic absorption spectrometry. Synthesized nano material was

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