3-Bromophenylboronic acid N-butyldiethanolamine ester
3-Bromophenylboronic acid N-butyldiethanolamine ester (CAS 1257641-31-8), with a molecular weight of 326.04 g/mol and the empirical formula C14H21BBrNO2, is an organoboron compound supplied by Tech Serve Solutions. This aryl boronate ester serves as a valuable reagent in organic synthesis, particularly in cross-coupling reactions for the construction of complex molecules. Its utility spans research and development across various chemical and pharmaceutical sectors.
- IUPAC
- 6-Butyl-2-(3-bromophenyl)-1,3,6,2-dioxazaborocane
- Synonyms
- 6-Butyl-2-(3-bromophenyl)-1,3,6,2-dioxazaborocane

Organic Synthesis Reagent
Utilised as a building block in Suzuki-Miyaura coupling reactions and other transition-metal catalysed transformations. It enables the formation of new carbon-carbon bonds, crucial for constructing complex organic frameworks.
Pharmaceutical Intermediate
Serves as a key intermediate in the synthesis of active pharmaceutical ingredients (APIs) and drug discovery programmes. Its structure allows for targeted modifications in medicinal chemistry.
Material Science Research
Can be employed in the development of novel organic materials with specific electronic or optical properties. The incorporation of the bromophenyl moiety offers potential for functionalisation.
| Molecular weight | 326.04 |
|---|---|
| Empirical formula | C14H21BBrNO2 |
| Assay | 97% |
| Melting point | 118-122 °C |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (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) | 25 |
| Safety statements (S) | 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 3-Bromophenylboronic acid N-butyldiethanolamine ester used for?
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This compound is primarily used as a reagent in organic synthesis, especially for cross-coupling reactions, and as an intermediate in the development of pharmaceuticals and advanced materials.
What is the CAS number and chemical formula for 3-Bromophenylboronic acid N-butyldiethanolamine ester?
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The CAS number is 1257641-31-8 and the empirical formula is C14H21BBrNO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 97%. It is supplied for research and technical purposes and TSS does not represent it as USP, BP, EP or any other pharmacopoeia grade.
How should 3-Bromophenylboronic acid N-butyldiethanolamine ester be handled safely?
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This compound is toxic if swallowed and requires careful handling. Use appropriate personal protective equipment including eyeshields, faceshields, gloves, and a type P2 respirator. Refer to the Safety Data Sheet for detailed instructions.
Is this chemical a controlled substance?
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This product is classified under hazard code T (Toxic) and carries significant health warnings. It is not listed as a controlled substance in general chemical regulations, but users should always verify local import and handling regulations.
How is this chemical shipped and exported?
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This product is shipped under UN 2811, Class 6.1, Packing Group III. Tech Serve Solutions is experienced in exporting fine chemicals globally, adhering to all relevant transport regulations.
How can I request a sample or quote for this product?
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To request a sample or a quote, please contact our sales team via the website or by calling us directly. Please include the product name and CAS number in your request.
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