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Key Documents

Inne dokumenty

288497

Sigma-Aldrich

Barium oxide

97%

Synonim(y):

Barium monoxide

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About This Item

Wzór liniowy:
BaO
Numer CAS:
1304-28-5
Masa cząsteczkowa:
153.33
Numer WE:
215-127-9
Numer MDL:
MFCD00003453
Kod UNSPSC:
12352303
Identyfikator substancji w PubChem:
24857344
NACRES:
NA.23

Próba

97%

Postać

powder

przydatność reakcji

reagent type: catalyst
core: barium

zanieczyszczenia

1-4% adsorbed H2O/CO2

gęstość

5.72 g/mL at 25 °C (lit.)

ciąg SMILES

O=[Ba]

InChI

1S/Ba.O

Klucz InChI

QVQLCTNNEUAWMS-UHFFFAOYSA-N

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Opis ogólny

Barium oxide, also known as barium(II) oxide, is a white or off-white fine powder with a melting point exceeding 1,800 °C. It is a highly stable compound with a high melting point and good chemical resistance, making it suitable for use in a wide range of applications. There are several methods to produce barium oxide including the thermal decomposition of barium carbonate and the electrolysis of barium chloride.

Zastosowanie

Barium oxide is used in a variety of applications. It is used as a raw material in the production of ceramics, such as glazes and ceramic pigments. It is used as a refractory material in the production of furnace linings and high-temperature applications. It is used as a fluxing agent in the production of glass, helping to lower the melting point and improve the clarity of glass. It is used as a catalyst in the production of polyethylene and other polymers. It is often used as a starting material to produce other barium compounds or dope semiconductors.

Cechy i korzyści

Used in the synthesis of the high-κ material BST (barium strontium titanate). Used in the study of NOX storage.
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Piktogramy

Skull and crossbonesCorrosion
GHS06,GHS05

Hasło ostrzegawcze

Danger

Zwroty wskazujące rodzaj zagrożenia

H301,H314,H332

Klasyfikacja zagrożeń

Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Eye Dam. 1 - Skin Corr. 1B

Kod klasy składowania

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

Klasa zagrożenia wodnego (WGK)

WGK 1

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Środki ochrony indywidualnej

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Certyfikaty analizy (CoA)

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Sonia Kudłacik-Kramarczyk et al.
Materials (Basel, Switzerland), 13(15) (2020-07-29)
Barium titanate is a ferroelectric perovskite with unique electric properties; therefore, it is widely applied in the fabrication of inorganic coatings or thin films, capacitors, or in the production of devices for energy storage and conversion. This paper describes the
Lei Yang et al.
Nature communications, 2, 357-357 (2011-06-23)
The existing Ni-yttria-stabilized zirconia anodes in solid oxide fuel cells (SOFCs) perform poorly in carbon-containing fuels because of coking and deactivation at desired operating temperatures. Here we report a new anode with nanostructured barium oxide/nickel (BaO/Ni) interfaces for low-cost SOFCs
Paolo Raiteri et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 23(33), 334213-334213 (2011-08-05)
A new reactive force field to describe proton diffusion within the solid oxide fuel cell material BaZrO(3) has been derived. Using a quantum mechanical potential energy surface, the parameters of an interatomic potential model to describe hydroxyl groups within both
Garima Tripathi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 66(4-5), 1307-1311 (2006-08-22)
Radiative properties of Er3+-doped tertiary bismuth glass has been analyzed by the Judd-Ofelt theory. NIR to visible upconversion in the Er3+-doped glass has been reported. The mechanism for the upconversion is explained on the basis of quadratic dependence on excitation
Shunyi Li et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 23(33), 334202-334202 (2011-08-05)
The electrical properties of (Ba, Sr)TiO(3) (BST) thin films are studied using different combinations of Pt and tin-doped indium oxide (In(2)O(3):Sn, ITO) as electrode material. With Pt as bottom and top electrode the films show insulating behaviour with a low
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