Rhodium(III) oxide hydrate
Rhodium(III) oxide hydrate (CAS: 123542-79-0, Rh2O3 · xH2O) is a rhodium-based inorganic compound with a stated rhodium content of 55%. Supplied as a powder, it is primarily utilised in catalysis and materials science due to the unique properties of rhodium. This compound serves as a valuable precursor in various chemical synthesis applications, contributing to the development of advanced materials and catalytic processes.

Catalysis
Rhodium(III) oxide hydrate can function as a catalyst or catalyst precursor in various chemical reactions. Its high melting point and unique electronic properties make it suitable for high-temperature catalytic applications and as a component in heterogeneous catalysis.
Materials Science
The compound is used in the development and synthesis of novel materials. It can be incorporated into ceramic formulations or used in the creation of thin films and coatings with specific electronic or catalytic properties.
Chemical Synthesis
As a source of rhodium, this oxide hydrate is employed in inorganic and organometallic synthesis. It acts as a reagent for introducing rhodium into complex molecular structures or for preparing other rhodium-based compounds.
| Molecular weight | 253.81 (anhydrous basis) |
|---|---|
| Linear formula | Rh2O3 · xH2O |
| Form | powder |
| Composition | Rh, 55% |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Rhodium(III) oxide hydrate used for?
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Rhodium(III) oxide hydrate is primarily used in catalysis and materials science, as well as in general chemical synthesis as a rhodium source.
What is the CAS number and formula for Rhodium(III) oxide hydrate?
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The CAS number for Rhodium(III) oxide hydrate is 123542-79-0, and its formula is Rh2O3 · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Rhodium(III) oxide hydrate with a rhodium content of 55%. We do not represent this product as USP, BP, EP or other pharmacopoeia grades.
What are the safety and handling precautions for Rhodium(III) oxide hydrate?
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Rhodium(III) oxide hydrate is classified with WGK Germany 3. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Avoid dust formation and inhalation.
How is Rhodium(III) oxide hydrate packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals in compliance with all relevant international regulations to ensure safe and secure delivery worldwide.
How can I request a sample or quote for Rhodium(III) oxide hydrate?
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To request a sample or quote, please contact our sales department via the website or by telephone. Please specify the quantity and any required specifications.
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