Tetraphenylantimony(V) bromide
Tetraphenylantimony(V) bromide (CAS 16894-69-2) is an organometallic compound with the molecular formula (C6H5)4SbBr and a molecular weight of 510.08. This white to off-white solid is primarily utilised as a catalyst in various organic synthesis reactions. Its applications span chemo- and stereoselective additions, the synthesis of silyl enol ethers from cyclic ketones, and the preparation of cyclic carbonates, demonstrating its utility in advanced chemical synthesis.
- IUPAC
- NSC 129511,Tetraphenylstibonium bromide
- Synonyms
- Tetraphenylstibonium bromide
Catalyst for Enolate Additions
Tetraphenylantimony(V) bromide acts as a catalyst for the chemo- and stereoselective addition of tin enolates to alpha-halo ketones. This reaction is valuable in constructing complex organic molecules with defined stereochemistry.
Synthesis of Silyl Enol Ethers
This antimony compound serves as a selective reagent for synthesising silyl enol ethers from cyclic ketones. These intermediates are crucial in various carbon-carbon bond-forming reactions.
Preparation of Cyclic Carbonates
Tetraphenylantimony(V) bromide is employed in the preparation of cyclic carbonates. This application is significant in polymer chemistry and as versatile synthetic intermediates.
Synthesis of Antimony Complexes
It functions as a reactant in the synthesis of tetraphenylantimony complexes, specifically with pyridine N-oxides. This is important for developing novel inorganic and organometallic compounds.
| Molecular weight | 510.08 |
|---|---|
| Linear formula | (C6H5)4SbBr |
| Assay | 97% |
| Application | Catalyst for:• Chemo- and stereoselective addition of tin enolate to alpha-halo ketone1• Selective reagent for synthesis of silyl enol ethers from cyclic ketones2• Preparation of cyclic carbonates3Reactant for synthesis of tetraphenylantimony complexes of pyridine N-oxides4 |
| Melting point | 204 °C (dec.)(lit.) |
Hazard statements
- H302Harmful if swallowed
- H332Harmful if inhaled
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 20/22-51/53 |
| Safety statements (S) | 61 |
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 Tetraphenylantimony(V) bromide used for?
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Tetraphenylantimony(V) bromide is used as a catalyst for chemo- and stereoselective additions of tin enolates to alpha-halo ketones, as a selective reagent for synthesising silyl enol ethers from cyclic ketones, and for the preparation of cyclic carbonates. It also serves as a reactant for synthesising tetraphenylantimony complexes of pyridine N-oxides.
What is the CAS number and formula for Tetraphenylantimony(V) bromide?
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The CAS number is 16894-69-2, and the linear formula is (C6H5)4SbBr.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetraphenylantimony(V) bromide with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Tetraphenylantimony(V) bromide be handled?
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Tetraphenylantimony(V) bromide is harmful if swallowed and if inhaled, and is toxic to aquatic life with long lasting effects. Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be used. Handle in a well-ventilated area and avoid release into the environment.
Is Tetraphenylantimony(V) bromide a controlled substance?
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The provided data does not indicate that Tetraphenylantimony(V) bromide is a controlled substance.
How is Tetraphenylantimony(V) bromide packed and shipped?
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Tetraphenylantimony(V) bromide is shipped as UN 3077, Environmentally hazardous substance, solid, n.o.s. (Tetraphenylantimony(V) bromide), 9, III. It is packed according to relevant transport regulations to ensure safe delivery.
How can I request a sample or quote for Tetraphenylantimony(V) bromide?
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To request a sample or quote, please contact our sales department through the website or by phone. Provide the product name and CAS number (16894-69-2) for prompt service.
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