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520748

Sigma-Aldrich

Palladium(II) oxide

99.97% trace metals basis

Synonym(s):

Palladium monoxide, Palladium oxide

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About This Item

Empirical Formula (Hill Notation):
OPd
CAS Number:
Molecular Weight:
122.42
EC Number:
MDL number:
UNSPSC Code:
12352303
PubChem Substance ID:
NACRES:
NA.23

Assay

99.97% trace metals basis

form

powder and chunks

composition

Pd, 85-87%

reaction suitability

reagent type: catalyst
core: palladium

mp

870 °C (lit.)

density

8.7 g/mL at 25 °C (lit.)

SMILES string

O=[Pd]

InChI

1S/O.Pd

InChI key

HBEQXAKJSGXAIQ-UHFFFAOYSA-N

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General description

Palladium(II) oxide (PdO) is a p-type semiconductor with a band gap of 2.2-2.7 eV. It is widely used as an efficient catalyst for oxidation reactions of hydrocarbons and for fabrication of gas sensors.

Application

Ceria supported Palladium(II) oxide can be used as a catalyst for ozonation of oxalate, to enhance the degradation of recalcitrant organics in polluted water. PdO provides active sites for the decomposition of ozone to surface atomic oxygen. Itcan be used as a cocatalyst for partial oxidation of alcohols on the WO3catalyst.

Pictograms

Flame over circle

Signal Word

Danger

Hazard Statements

Hazard Classifications

Ox. Sol. 2

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Masanao Yokohira et al.
Experimental and toxicologic pathology : official journal of the Gesellschaft fur Toxikologische Pathologie, 58(4), 211-221 (2006-11-25)
We have established and documented an in vivo bioassay for detection of hazards with intratracheally instilled fine particles, which can be used for risk assessment of toxicity of materials inhaled into deep lung tissue of humans (Yokohira et al. Establishment
Qian Liu et al.
Journal of nanoscience and nanotechnology, 7(1), 362-367 (2007-04-26)
The optical reflectance and transmittance of Platinum oxide (PtO(x)) and palladium oxide (PdO(x)) thin films for ultrahigh-density optical storage are investigated using Z-scan technique under irradiation of blue laser (442 nm). The power thresholds of the PtO(x) and PdO(x) decomposition
Self-assembly of a heteropolyoxopalladate nanocube: [Pd(II)13As(V)8O34(OH)6]8-.
Elena V Chubarova et al.
Angewandte Chemie (International ed. in English), 47(49), 9542-9546 (2008-10-14)
Qi Li et al.
Environmental science & technology, 43(5), 1534-1539 (2009-04-09)
Removal of arsenic species from water by palladium-modified nitrogen-doped titanium oxide (TiON/PdO) nanoparticles was investigated with and without visible light. For the first time, a high degree of As(III) removal undervisible light illumination was demonstrated on oxide photocatalysts. Over 2
Qi Li et al.
Environmental science & technology, 44(9), 3493-3499 (2010-04-15)
A novel composite photocatalyst of nitrogen (N) and fluorine (F) codoped titanium oxide (TiO(2)) nanotube arrays with dispersed palladium oxide (PdO) nanoparticles was developed by dispersing PdO nanoparticles into N and F codoped TiO(2) nanotube array template created by anodization

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