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Merck

1.01740

Barium peroxide

(anhydrous, heavy), Technipur®

Synonym(s):

Barium binoxide, Barium dioxide, Barium superoxide

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About This Item

Empirical Formula (Hill Notation):
BaO2
CAS Number:
1304-29-6
Molecular Weight:
169.33
UNSPSC Code:
12352303
NACRES:
NA.21
MDL number:
MFCD00003454

Key Documents

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Product Name

Barium peroxide, (anhydrous, heavy), Technipur®

InChI

1S/Ba.O2/c;1-2/q+2;-2

SMILES string

[Ba++].[O-][O-]

InChI key

ZJRXSAYFZMGQFP-UHFFFAOYSA-N

pH

12 (20 °C, 10 g/L in H2O, slurry)

mp

450 °C

density

4.96 g/cm3 at 20 °C

Quality Level

200

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Application

Barium peroxide can also be used in the synthesis of hexagonal barium ferrite magnets (BaFe12O19) by SHS reaction (self-propagating high-temperature synthesis) in the presence of Fe and Fe2O3. Barium ferrite magnetic components are the most commonly used in a wide range of products, from televisions and computer monitors to kitchen cabinet magnetic clasps.

BaO2 can also be used as a:
  • Bleaching agent in industrial bleach applications.
  • Catalyst to start an aluminothermic reaction.
  • Oxidizer in various pyrotechnic mixtures.
  • Green flare in tracer ammunition.

It can also find application in various other fields such as CO2 adsorption, disinfection, luminol-driven chemiluminescence, and wastewater treatment.

General description

Barium peroxide (BaO2) is commonly used as a strong oxidizing agent in chemical industries due to its high reactivity and high storage stability under inert conditions. It is also used in fireworks because it produces a bright green color when ignited.

Legal Information

Technipur is a registered trademark of Merck KGaA, Darmstadt, Germany

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Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Ox. Sol. 2 - Skin Corr. 1B

Storage Class

5.1A - Strongly oxidizing hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Barium peroxide nanoparticles: synthesis, characterization and their use for actuating the luminol chemiluminescence
Gomes R
Journal of Material Chemistry C, 8 (2014)
Binary and ternary pyrotechnic systems of Mn and/or Mo and BaO2 and/or SrO2: Part 2. Combustion studies
Drennan RL
Thermochimica Acta, 208, 223-246 (1992)
Barium Peroxide: a Simple Test Case for First-Principles Investigations on the Temperature Dependence of Solid-State Vibrational Frequencies
Stoffel RP and Dronskowski R
Zeitschrift fur Anorganische und Allgemeine Chemie, 638(10), 1403-1406 (2012)
Hydrogen Peroxide
Kirk-Othmer Encyclopedia of Chemical Technology (2001)
Combustion Synthesis of BaFe12O19 in an External Magnetic Field: Time-Resolved X-ray Diffraction (TRXRD) Studies
Affleck L
Advanced Materials, 12(18) (2000)
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