Tris(trimethylsilyl) borate
Tris(trimethylsilyl) borate (CAS 4325-85-3), with the linear formula [(CH3)3SiO]3B and a molecular weight of 278.38 g/mol, is a versatile organoborate compound. It serves as a valuable reagent in chemical synthesis, particularly in organometallic chemistry. Its unique structure allows for specific reactions, making it a useful building block for more complex molecules.
![Tris(trimethylsilyl) borate ([(CH3)3SiO]3B) — chemical structure, CAS 4325-85-3; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F4325-85-3.png&w=3840&q=75)
Organic Synthesis
Tris(trimethylsilyl) borate is employed as a reagent in various organic transformations. It can be used in the synthesis of boronic acids and their derivatives, which are important intermediates in cross-coupling reactions like Suzuki coupling.
Organometallic Chemistry
This compound finds application in the field of organometallic chemistry due to its boron center and silyl ether functionalities. It can participate in reactions involving metal-catalyzed processes and the formation of novel organoboron species.
Protecting Group Chemistry
The trimethylsilyl groups can potentially act as protecting groups in certain synthetic sequences, allowing for selective transformations elsewhere in a molecule. The borate ester can be cleaved under appropriate conditions.
| Molecular weight | 278.38 |
|---|---|
| Linear formula | [(CH3)3SiO]3B |
| Assay | 99% |
| Boiling point | 186 °C(lit.) |
| Density | 0.831 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.386(lit.) |
Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 41 °C / 105.8 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 26-36 |
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 Tris(trimethylsilyl) borate used for?
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Tris(trimethylsilyl) borate is primarily used as a reagent in organic synthesis and organometallic chemistry, serving as a precursor for boronic acids and derivatives.
What is the CAS number and formula for Tris(trimethylsilyl) borate?
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The CAS number for Tris(trimethylsilyl) borate is 4325-85-3, and its linear formula is [(CH3)3SiO]3B.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tris(trimethylsilyl) borate with a minimum assay of 99%. This product is intended for laboratory and research purposes and is not represented as USP, BP, or EP grade.
How should Tris(trimethylsilyl) borate be handled?
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Tris(trimethylsilyl) borate is flammable (Flash Point 41°C) and can cause skin irritation, serious eye irritation, and respiratory irritation. Handle in a well-ventilated area, away from ignition sources, and wear appropriate personal protective equipment including gloves, eyeshields, and respiratory protection.
How is Tris(trimethylsilyl) borate packed and shipped?
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Tris(trimethylsilyl) borate is carefully packed according to international shipping regulations for hazardous materials (UN 1993, Hazard Class 3, Packing Group III) and is exported globally by TSS.
How can I request a sample or quote for Tris(trimethylsilyl) borate?
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To request a sample or a quote for Tris(trimethylsilyl) borate, please contact our sales team through the website or by phone, providing your contact details and the quantity required.
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