Triisopropyl borate
Triisopropyl borate (CAS: 5419-55-6), with the chemical formula [(CH3)2CHO]3B and a molecular weight of 188.07 g/mol, is an organoboron compound supplied by Tech Serve Solutions. This flammable liquid serves as a key reagent in organic synthesis, notably for ortho-borylation of naphthalenes in palladium-catalyzed coupling reactions. It is also recognised for its utility as a precursor in materials science and microelectronics.
- IUPAC
- Boric acid triisopropyl ester,Boron isopropoxide,Triisopropoxyborane
- Synonyms
- Boric acid triisopropyl esterBoron isopropoxideTriisopropoxyborane
![Triisopropyl borate ([(CH3)2CHO]3B) — chemical structure, CAS 5419-55-6; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F5419-55-6.png&w=3840&q=75)
Organic Synthesis Reagent
Utilised as a borylation reagent, Triisopropyl borate facilitates the ortho-borylation of 1-substituted naphthalenes. This is a crucial step in the preparation of intermediates for palladium-catalyzed cross-coupling reactions with aryl halides.
Chemical Synthesis Intermediate
Its role extends to general chemical synthesis, serving as a building block for more complex organoboron compounds and organometallic reagents used in various research and development applications.
Materials Science Precursor
Triisopropyl borate can be employed as a precursor in materials science, particularly in the development of novel materials requiring specific boron incorporation. It is also noted as a CVD and ALD precursor.
Microelectronics Applications
The compound finds application as a precursor in micro- and nanoelectronics, potentially for thin-film deposition processes due to its organoboron nature.
| Molecular weight | 188.07 |
|---|---|
| Linear formula | [(CH3)2CHO]3B |
| Assay | ≥97.0% (GC) |
| Form | liquid |
| Boiling point | 139-141 °C(lit.) |
| Density | 0.815 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.376(lit.)n20/D 1.377 |
| Vapour pressure | 76 mmHg (75 °C) |
| Impurities tested | 1% isopropanol |
| Application | Reagent used to ortho-borylate 1-substituted naphthalenes for Pd-catalyzed coupling with aryl halides.1 |
Hazard statements
- H225Highly flammable liquid and vapour
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 17 °C / 62.6 °F |
| Transport (UN / ADR) | UN 2616 3 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 7-16-23-24/25-33 |
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 Triisopropyl borate used for?
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Triisopropyl borate is primarily used as a reagent for ortho-borylation of 1-substituted naphthalenes in palladium-catalyzed coupling reactions. It also serves as a precursor in materials science and microelectronics.
What is the CAS number and formula for Triisopropyl borate?
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The CAS number for Triisopropyl borate is 5419-55-6, and its linear formula is [(CH3)2CHO]3B.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Triisopropyl borate with an assay of ≥97.0% (GC). This is typically considered a technical or research grade, and TSS does not represent it as USP, BP, or EP grade unless explicitly stated otherwise.
How should Triisopropyl borate be handled safely?
+
Triisopropyl borate is a flammable liquid (H225) and a danger to health. Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Ensure adequate ventilation and keep away from ignition sources. Refer to the Safety Data Sheet for comprehensive guidance.
Is Triisopropyl borate a controlled substance?
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The provided data does not indicate that Triisopropyl borate is a controlled substance.
How is Triisopropyl borate packed and shipped?
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As a global supplier and exporter, Tech Serve Solutions ensures that Triisopropyl borate is packed and shipped in accordance with all relevant regulations for hazardous and flammable materials, including UN 2616 classification.
How can I request a sample or quote for Triisopropyl borate?
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To request a sample or a quotation for Triisopropyl borate, please contact our sales team directly through the website or by phone, providing your specific requirements.
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