Skip to Content
Merck
All Photos(2)

Key Documents

View All Documentation

204226

Sigma-Aldrich

Rhodium(III) oxide

99.8%

Synonym(s):

Dirhodium trioxide, Rhodium sesquioxide

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Linear Formula:
Rh2O3
CAS Number:
12036-35-0
Molecular Weight:
253.81
EC Number:
234-846-9
MDL number:
MFCD00011205
UNSPSC Code:
12352303
PubChem Substance ID:
24852240
NACRES:
NA.23

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

Looking for similar products? Visit Product Comparison Guide

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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKBZ5579V
MKBT0283V
MKBQ2487V
MKBL8109V
MKBK1295V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service