Triphenyl borate
Triphenyl borate (CAS 1095-03-0), molecular formula (C6H5O)3B, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- NSC 806,Triphenoxyborane,Triphenyl ester boric acid

| 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
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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?
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Triphenyl borate (CAS 1095-03-0), molecular formula (C6H5O)3B, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of Triphenyl borate does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Triphenyl borate in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Triphenyl borate?
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Triphenyl borate has CAS number 1095-03-0 and molecular formula (C6H5O)3B. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Triphenyl borate?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Triphenyl borate ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Triphenyl borate be stored?
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Store Triphenyl borate in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Triphenyl borate used for?
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Triphenyl borate is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Triphenyl borate?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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