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Merck
CN

554847

Barium oxide

99.99% trace metals basis

Synonym(s):

Baria, Barium monoxide

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About This Item

Linear Formula:
BaO
CAS Number:
Molecular Weight:
153.33
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
215-127-9
MDL number:
Technical Service
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assay

99.99% trace metals basis

form

powder

reaction suitability

reagent type: catalyst
core: barium

density

5.72 g/mL at 25 °C (lit.)

SMILES string

O=[Ba]

InChI

1S/Ba.O

InChI key

QVQLCTNNEUAWMS-UHFFFAOYSA-N

General description

Barium Oxide (BaO) is a white ionic crystal that has a non-flammable nature. It is a cubic structured compound that can be prepared by different methodologies, such as thermal decomposition of barium nitrate, and by heating barium carbonate with carbon black or tar.

Application

BaO can be used in a variety of applications such as:
  • network modifier in the development of cathode ray tubes
  • fabrication of glasses such as crown and borosilicate glasses
  • storage of nitrogen gas
  • preparation of biodiesel for internal combustion engines

Features and Benefits

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


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pictograms

Skull and crossbonesCorrosion

signalword

Danger

Hazard Classifications

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

Storage Class

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

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Regulatory Information

危险化学品

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Articles

Three approaches generate white light, including LED-based down-conversion for broader applications.


Emission analysis of Azolla methyl ester with BaO nano additives for IC engine
Kannan D and Christraj W
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 40(10), 1234-1241 (2018)
Accommodation of excess oxygen in group II monoxides
Middleburgh SC, et al.
Journal of the American Ceramic Society. American Ceramic Society, 96(1), 308-311 (2013)
The storage of nitrogen oxides on alumina-supported barium oxide
Cant NW and Patterson MJ
Catalysis Today, 73(3-4), 271-278 (2002)



Global Trade Item Number

SKUGTIN
820895000504027269276829
106794002504022536082134
163031-50G04061838747402
163031-10G04061838747396
820895002504022536468921
820895010004022536468938
554847-5G04061832582481
554847-25G04061832582474