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
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
234-846-9
MDL number:
InChI key
YRUZFXVGBSPFRV-UHFFFAOYSA-N
InChI
1S/3O.2Rh
SMILES string
O=[Rh]O[Rh]=O
assay
99.8%
form
powder
reaction suitability
reagent type: catalyst
core: rhodium
density
8.2 g/mL at 25 °C (lit.)
Quality Level
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
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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