Vinylboronic acid 2-methyl-2,4-pentanediol ester
Vinylboronic acid 2-methyl-2,4-pentanediol ester (CAS 4627-10-5), with a molecular weight of 154.01 g/mol, is an organoboron compound. It serves as a valuable reagent in organic synthesis, particularly in cross-coupling reactions. Its structure makes it a useful building block for introducing vinyl groups into complex molecules across various chemical research and development sectors.
- IUPAC
- 4,4,6-Trimethyl-2-vinyl-1,3,2-dioxaborinane,Vinylboronsäure-2-methyl-2,4-pentandiolester
- Synonyms
- 4,4,6-Trimethyl-2-vinyl-1,3,2-dioxaborinaneVinylboronsäure-2-methyl-2,4-pentandiolester

Organic Synthesis Reagent
Utilised as a versatile building block in organic synthesis for the formation of carbon-carbon bonds. It is commonly employed in palladium-catalysed cross-coupling reactions, such as the Suzuki-Miyaura coupling, to introduce vinyl functionalities.
Pharmaceutical Intermediate
Acts as a key intermediate in the synthesis of various pharmaceutical compounds. Its ability to participate in selective coupling reactions makes it instrumental in constructing complex drug molecules.
Materials Science
Can be employed in the development of novel materials where the incorporation of unsaturated organic fragments is desired. This includes research into polymers and advanced organic materials.
| Molecular weight | 154.01 |
|---|---|
| Empirical formula | C8H15BO2 |
| Assay | 95% |
| Density | 0.893 g/mL at 25 °C |
| Refractive index | n20/D 1.429 |
| Storage temperature | 2-8°C |
| Contains / stabiliser | phenothiazine as stabilizer |


Hazard statements
- H226Flammable liquid and vapour
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Flash point | 40 °C / 104 °F |
|---|---|
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-43 |
| Safety statements (S) | 36/37 |
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 Vinylboronic acid 2-methyl-2,4-pentanediol ester primarily used for?
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It is primarily used as a reagent in organic synthesis, particularly for palladium-catalysed cross-coupling reactions like Suzuki-Miyaura coupling, to introduce vinyl groups into molecules.
What is the CAS number and formula for Vinylboronic acid 2-methyl-2,4-pentanediol ester?
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The CAS number is 4627-10-5 and the empirical formula is C8H15BO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 95%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Vinylboronic acid 2-methyl-2,4-pentanediol ester be handled safely?
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This compound is flammable (flash point 40 °C) and may cause an allergic skin reaction. Handle in a well-ventilated area, wear protective gloves and eye protection (P280), and keep away from heat, sparks, and open flames.
How is this chemical shipped and exported by TSS?
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Tech Serve Solutions, as a specialist global supplier and exporter, ships and exports this chemical according to relevant transport regulations (UN 1993, Class 3, Packing Group III).
How can I request a sample or a quote for Vinylboronic acid 2-methyl-2,4-pentanediol ester?
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Please contact our sales team via our website or direct inquiry channels to request a sample or obtain a quotation.
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