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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:
1314-08-5
Molecular Weight:
122.42
EC Number:
215-218-3
MDL number:
MFCD00011172
UNSPSC Code:
12352303
PubChem Substance ID:
24874163
NACRES:
NA.23

Quality Level

100

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
GHS03

Signal Word

Danger

Hazard Statements

H272

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

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Certificates of Analysis (COA)

Lot/Batch Number
0000389280
0000389280
MKCW5195
MKCV5543
MKCV2299

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Lin Du et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 63(7), 1539-1545 (2011-04-22)
The electrochemical degradation of Methyl Orange in 0.1 M NaCl solution over RuO(x)-PdO/Ti anode was investigated. Chemical oxygen demand (COD), ion chromatography (IC), Fourier Transform Infrared Spectroscopy (FTIR) and Gas chromatography-mass spectrometry (GC-MS) were employed to detect the intermediates formed
Bernd Huber et al.
Nature materials, 5(1), 44-47 (2005-12-06)
Oxide-supported transition-metal clusters and nanoparticles have attracted significant attention owing to their important role as components of model catalysts, sensors, solar cells and magnetic recording devices. For small clusters, functionality and structure are closely interrelated. However, knowledge of the structure
Matt W Ross et al.
The journal of physical chemistry. A, 117(6), 1030-1034 (2012-05-09)
Reported herein are strong-field ionization studies of small, neutral Pd(x)O(y) and Zr(x)O(y) clusters made using ultrafast laser pulses (~100 fs) centered at 624 nm. An enhancement in ionization of nearly 1.5 orders of magnitude lower in laser intensity than predicted
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
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)
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