5-Bromo-2-ethoxyphenylboronic acid
5-Bromo-2-ethoxyphenylboronic acid (CAS: 352525-82-7) is a disubstituted aryl boronic acid with a molecular weight of 244.88 g/mol. It functions as a valuable organometallic reagent in organic synthesis. This compound is primarily employed as a building block in the development of complex organic molecules and pharmaceutical intermediates. Its specific structure allows for participation in various cross-coupling reactions, facilitating the formation of new carbon-carbon bonds.

Organic Synthesis Building Block
This compound serves as a versatile building block in complex organic synthesis. It is particularly useful in Suzuki-Miyaura coupling reactions for the formation of biaryl compounds.
Pharmaceutical Intermediate Development
It is utilised in the synthesis of novel pharmaceutical agents. The bromo and boronic acid functionalities offer strategic points for molecular elaboration.
Cross-Coupling Reactions
As an aryl boronic acid derivative, it is a key reagent in various palladium-catalysed cross-coupling reactions, enabling the construction of intricate molecular architectures.
| Molecular weight | 244.88 |
|---|---|
| Linear formula | C6H3BrOCH2CH3B(OH)2 |
| Melting point | 125-129 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 5-Bromo-2-ethoxyphenylboronic acid used for?
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5-Bromo-2-ethoxyphenylboronic acid is primarily used as a building block in organic synthesis, particularly for the development of pharmaceutical intermediates and in cross-coupling reactions.
What is the CAS number and chemical formula for 5-Bromo-2-ethoxyphenylboronic acid?
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The CAS number is 352525-82-7, and the linear formula is C6H3BrOCH2CH3B(OH)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical typically as a research or technical grade. We do not represent it as USP, BP, or EP grade unless explicitly stated otherwise in the product specifications.
What are the safety and handling precautions for 5-Bromo-2-ethoxyphenylboronic acid?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Refer to the Safety Data Sheet for comprehensive handling information.
How is 5-Bromo-2-ethoxyphenylboronic acid packed and shipped?
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This chemical is carefully packed to international standards for safe transport and export. Specific packaging details are available upon request.
How can I request a quote or sample for 5-Bromo-2-ethoxyphenylboronic acid?
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Please contact our sales team via the website or directly to request a quote or a sample of 5-Bromo-2-ethoxyphenylboronic acid.
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