204226
Rhodium(III) oxide
99.8%
Synonym(s):
Dirhodium trioxide, Rhodium sesquioxide
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About This Item
Linear Formula:
Rh2O3
CAS Number:
Molecular Weight:
253.81
EC Number:
MDL number:
UNSPSC Code:
12352303
PubChem Substance ID:
NACRES:
NA.23
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Assay
99.8%
form
powder
reaction suitability
reagent type: catalyst
core: rhodium
density
8.2 g/mL at 25 °C (lit.)
SMILES string
O=[Rh]O[Rh]=O
InChI
1S/3O.2Rh
InChI key
YRUZFXVGBSPFRV-UHFFFAOYSA-N
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General description
Rhodium(III)oxide (Rh2O3), also called rhodium sesquioxide, is an inorganic compoundnotable for its high thermal stability and insolubility in most solvents,including water and common acids. Its electrochromic and conductive propertiesmake it promising for applications in smart windows, displays, capacitors, andsolid oxide fuel cells. Additionally, it isused as a catalyst in several chemical reactions,including hydroformylation of alkenes and hydrogenation processes. It is alsoused in catalytic converters for automobiles to reduce harmful emissions.
Application
Rhodium(III) oxide can be used:
- As a catalyst in various organic reactions such as selective tandem olefin isomerization-hydrosilylation process.
- To prepare a metal oxide photocatalyst (SrTiO3:Rh) for hydrogen production.
- As a precursor to prepare Rh-doped potassium niobate single crystals.
Storage Class Code
11 - Combustible Solids
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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