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Key Documents

Safety Information

204226

Sigma-Aldrich

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

Quality Level

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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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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

204226-1G:4548173930336
204226-500MG:4548173930343
204226-BULK:
204226-VAR:


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