Rhodium(III) oxide
Rhodium(III) oxide (CAS: 12036-35-0), with the chemical formula Rh2O3, is an inorganic compound of rhodium and oxygen. It typically presents as a powder with a molecular weight of 253.81 g/mol. This oxide finds utility as a precursor in various chemical synthesis processes, particularly in the development of catalytic materials and advanced inorganic compounds. Its properties are of interest in materials science research and development.

Catalyst Development
Rhodium(III) oxide serves as a precursor for synthesizing supported rhodium catalysts used in various chemical transformations. It can be employed in the preparation of materials for heterogeneous catalysis, contributing to reactions in organic synthesis.
Materials Science Research
This compound is utilised in materials science for the development of novel inorganic materials and coatings. Its properties are investigated for applications requiring specific oxidation states or catalytic activity within a solid matrix.
Inorganic Synthesis Precursor
As a stable rhodium-containing compound, Rh2O3 acts as a starting material for the preparation of other rhodium complexes and materials. It is instrumental in research focusing on coordination chemistry and the synthesis of rhodium-based compounds.
| Molecular weight | 253.81 |
|---|---|
| Linear formula | Rh2O3 |
| Assay | 81% rhodium (Rh) basis |
| Form | powder |
| Density | 8.2 g/mL at 25 °C(lit.) |
| 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 used for?
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Rhodium(III) oxide is primarily used as a precursor in chemical synthesis, particularly for developing catalytic materials and in materials science research. It serves as a starting material for other rhodium compounds and for heterogeneous catalysts.
What are the CAS number and formula for Rhodium(III) oxide?
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The CAS number for Rhodium(III) oxide is 12036-35-0, and its chemical formula is Rh2O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Rhodium(III) oxide with an assay of 81% rhodium (Rh) basis. This product is typically supplied as a technical or research grade material and is not represented as USP, BP, or EP grade.
What are the safety and handling precautions for Rhodium(III) oxide?
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Rhodium(III) oxide is classified under WGK Germany 3. Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended for respiratory protection.
How is Rhodium(III) oxide packed and shipped?
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Rhodium(III) oxide is carefully packed to ensure safe transit and is available for domestic and international export. Specific packaging details will be provided upon inquiry.
How can I request a sample or quote for Rhodium(III) oxide?
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To request a sample or obtain a quotation for Rhodium(III) oxide, please contact our sales team directly via our website or by phone. We are happy to assist with your specific requirements.
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