Triphenyl borate
Triphenyl borate (CAS: 1095-03-0) is an organoborate compound with the linear formula (C extsubscript{6} extsubscript{5} extsubscript{O}) extsubscript{3} extsubscript{B} and a molecular weight of 290.12 g/mol. It functions as a catalyst in various organic synthesis reactions, including multicomponent aziridination, hetero-Diels-Alder reactions, and cross-metathesis. This compound is valuable for facilitating complex chemical transformations in research and development settings.
- IUPAC
- NSC 806,Triphenoxyborane,Triphenyl ester boric acid
- Synonyms
- TriphenoxyboraneTriphenyl ester boric acidBoric acid triphenyl esterBoron triphenoxide
Catalysis in Multicomponent Aziridination
Triphenyl borate serves as a catalyst in the multicomponent aziridination of aldehydes. This application is crucial for the efficient synthesis of nitrogen-containing heterocycles.
Facilitation of Hetero-Diels-Alder Reactions
This organoborate is employed as a catalyst in hetero-Diels-Alder reactions and Mukaiyama aldol condensations. These reactions are fundamental in constructing complex molecular architectures.
Alkene Cross-Metathesis
Triphenyl borate acts as a catalyst in the cross-metathesis of alkenes with 3-nitropropene. This process is important for forming new carbon-carbon double bonds selectively.
Asymmetric Rearrangements
The compound catalyses the asymmetric Claisen rearrangement of unactivated allyl vinyl ethers, enabling the stereoselective synthesis of chiral molecules.
| Molecular weight | 290.12 |
|---|---|
| Linear formula | (C6H5O)3B |
| Application | Catalyst involved in:• Multicomponent aziridination of aldehydes1• Hetero-Diels-Alder reactions and Mukaiyama aldol condensation2• Cross-metathesis of alkenes with 3-nitropropene3• Asymmetric Claisen rearrangement of unactivated allyl vinyl ethers4• Ethoxylation5• Asymmetric aziridination of imines6 |
| Melting point | 98-101 °C(lit.) |
Hazard statements
- H301Toxic if swallowed
- H318Causes serious eye damage
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call 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 P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-41 |
| 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 Triphenyl borate used for?
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Triphenyl borate is primarily used as a catalyst in various organic synthesis reactions, including multicomponent aziridination of aldehydes, hetero-Diels-Alder reactions, Mukaiyama aldol condensation, and alkene cross-metathesis.
What are the CAS number and formula for Triphenyl borate?
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The CAS number for Triphenyl borate is 1095-03-0, and its linear formula is (C extsubscript{6} extsubscript{5} extsubscript{O}) extsubscript{3} extsubscript{B}.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Triphenyl borate in a technical/research grade. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
How should Triphenyl borate be handled safely?
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Triphenyl borate is classified as Danger, with hazards including H301 + H311 + H331 (Toxic if swallowed, in contact with skin, or if inhaled) and H318 (Causes serious eye damage). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection, is essential. Always consult the Safety Data Sheet (SDS) before handling.
How is Triphenyl borate packed, shipped, and exported?
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Triphenyl borate is shipped as UN 2811, Class 6.1, Packing Group III, adhering to international transport regulations. Tech Serve Solutions is an experienced global supplier and exporter.
How can I request a sample or quote for Triphenyl borate?
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To request a sample or a quote for Triphenyl borate, please contact the Tech Serve Solutions sales team via our website or your usual sales representative.
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