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Sigma-Aldrich

Barium peroxide

anhydrous, ≥86.0% (RT)

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About This Item

Empirical Formula (Hill Notation):
BaO2
CAS Number:
1304-29-6
Molecular Weight:
169.33
EC Number:
215-128-4
MDL number:
MFCD00003454
UNSPSC Code:
12352304
PubChem Substance ID:
329767438
NACRES:
NA.23

grade

anhydrous

Quality Level

100

Assay

≥86.0% (RT)

form

powder

loss

≤0.1% loss on drying

anion traces

chloride (Cl-): ≤0.05%

cation traces

Fe: ≤0.02%
heavy metals (as Pb): ≤0.01%

SMILES string

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

InChI

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

InChI key

ZJRXSAYFZMGQFP-UHFFFAOYSA-N

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Application

Barium peroxide is a precursor material used for synthesis of novel magnetic and superconducting oxides. It also finds application in thermochemical energy storage systems.

Analysis Note

Substances insoluble in dilute hydrochlorid acid ≤ 1.5 %
Substances not precipitated by diluted sulfuric acid (as sulphates) ≤ 2.0 %

Signal Word

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 Code

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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Honda, R., et al.
Physica C, 426, 613-617 (2005)
A J Carrillo et al.
Physical chemistry chemical physics : PCCP, 18(11), 8039-8048 (2016-03-01)
The barium peroxide-based redox cycle was proposed in the late 1970s as a thermochemical energy storage system. Since then, very little attention has been paid to such redox couples. In this paper, we have revisited the use of reduction-oxidation reactions
Ba2IrO4: A spin-orbit Mott insulating quasi-two-dimensional antiferromagnet
Okabe, H., et al.
Physical Review. B, Condensed Matter and Materials Physics, 83, 155118-155118 (2011)

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