Bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate hydrate
Bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate hydrate (CAS 207124-65-0) is a cationic rhodium(I) organometallic complex with the formula C16H24BF4Rh · xH2O and a molecular weight of 406.07 (anhydrous basis). Often written as [Rh(COD)2]BF4, it is a versatile homogeneous precatalyst in which two labile 1,5-cyclooctadiene ligands are readily displaced by phosphines and other donors. Tech Serve Solutions supplies it as a research-grade reagent for asymmetric, cross-coupling and hydrosilylation chemistry.
- Synonyms
- Bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate hydrateBis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate[Rh(COD)2]BF4Bis(cycloocta-1,5-diene)rhodium(I) tetrafluoroborateRhodium(I) bis(1,5-cyclooctadiene) tetrafluoroborateC16H24BF4Rh · xH2OCAS 207124-65-0
Precatalyst for asymmetric catalysis
Serves as a cationic rhodium(I) source for enantioselective transformations, where the cyclooctadiene ligands are exchanged in situ for chiral phosphine ligands. The weakly coordinating tetrafluoroborate counter-ion supports the formation of well-defined active species.
Cross-coupling and C-C bond formation
Used as a defined rhodium(I) precursor in homogeneous coupling and addition reactions. It is referenced among precatalysts for cross-coupling catalysis in fine-chemical and pharmaceutical synthesis.
Hydrosilylation catalysis
Acts as a rhodium-based catalyst precursor for hydrosilylation, the addition of Si-H bonds across unsaturated substrates. The labile diene ligands allow rapid generation of the catalytically active rhodium centre.
Ligand-screening platform
The readily displaced 1,5-cyclooctadiene ligands make this complex a convenient starting point for catalyst development and ligand screening in research and process-chemistry laboratories.
| Molecular weight | 406.07 (anhydrous basis) |
|---|---|
| Empirical formula | C16H24BF4Rh · xH2O |
| Application | Umicore Precatalysts for Asymmetric and Cross-Coupling CatalysisHydrosilylation Catalysts |
| Melting point | 165 °C (dec.)(lit.) |
Hazard statements
- H228Flammable solid
- H314Causes severe skin burns and eye damage
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2921 8/PG 2 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11-34 |
| Safety statements (S) | 26-36/37/39-45 |
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 Bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate hydrate used for?
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It is used as a cationic rhodium(I) precatalyst in homogeneous catalysis. Typical roles include asymmetric catalysis, cross-coupling and carbon-carbon bond-forming reactions, and hydrosilylation, where its labile 1,5-cyclooctadiene (COD) ligands are exchanged for phosphines or other donor ligands to generate the active species.
What is the CAS number and molecular formula of Bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate hydrate?
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Its CAS number is 207124-65-0 and its empirical formula is C16H24BF4Rh · xH2O. The molecular weight is 406.07 on an anhydrous basis, and the complex is commonly abbreviated [Rh(COD)2]BF4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this material as a research/reagent-grade catalyst for synthetic and process-chemistry use. We do not represent it as USP, BP or EP pharmacopoeial grade. Exact assay, lot specifications and any certificate of analysis are confirmed at the time of enquiry.
What are the safety hazards and how should it be handled?
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The compound is classified Danger (GHS02, GHS05) with hazard statements H228 (flammable solid) and H314 (causes severe skin burns and eye damage). Keep away from heat, sparks and open flame, and handle with eye and face protection, gloves and a suitable respirator. It should be used by trained personnel under local exhaust ventilation, with the Safety Data Sheet reviewed before use.
How is Bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate hydrate packed, shipped and exported?
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It is supplied in appropriate sealed containers and is shipped as a regulated dangerous good: UN 2921, Class 8 (corrosive), Packing Group II. Packaging and documentation follow applicable transport rules (ADR/IMDG/IATA), and it is classified under German water-hazard class WGK 2. Tech Serve Solutions arranges compliant export packing and paperwork to international destinations.
How do I request a sample or quote?
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Contact Tech Serve Solutions with your required quantity, packaging and destination, and we will confirm availability, current specifications and a quotation. Sample availability for evaluation can be discussed at the enquiry stage.
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