3-Bromo-2-butoxy-5-fluorophenylboronic acid
3-Bromo-2-butoxy-5-fluorophenylboronic acid (CAS 352534-85-1), with the molecular formula BrC6H2(F)(O(CH2)3CH3)BOH)2 and a molecular weight of 290.92 g/mol, is a substituted phenylboronic acid derivative. This organoboronic acid serves as a versatile building block in organic synthesis, particularly in cross-coupling reactions for the construction of complex molecules in pharmaceutical and materials science research.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. Its boronic acid functionality makes it suitable for Suzuki-Miyaura cross-coupling reactions, enabling the formation of new carbon-carbon bonds.
Pharmaceutical Research
A valuable reagent in medicinal chemistry for the development of novel drug candidates. It can be incorporated into molecular structures to explore structure-activity relationships and optimise pharmacological properties.
Materials Science
Employed in the creation of advanced materials, such as organic light-emitting diodes (OLEDs) or functional polymers, where specific electronic or optical properties are desired.
| Molecular weight | 290.92 |
|---|---|
| Linear formula | BrC6H2(F)(O(CH2)3CH3)BOH)2 |
| Melting point | 65-70 °C(lit.) |

Hazard statements
- 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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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 3-Bromo-2-butoxy-5-fluorophenylboronic acid used for?
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3-Bromo-2-butoxy-5-fluorophenylboronic acid is primarily used as a building block in organic synthesis, particularly for cross-coupling reactions like the Suzuki-Miyaura coupling, in pharmaceutical research, and in materials science.
What is the CAS number and chemical formula?
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The CAS number is 352534-85-1, and the linear formula is BrC6H2(F)(O(CH2)3CH3)BOH)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound for research and chemical synthesis. The specific grade and purity available may vary. We do not represent this product as USP, BP, or EP grade.
How should 3-Bromo-2-butoxy-5-fluorophenylboronic acid be handled?
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This compound is a Warning irritant, causing skin (H315), eye (H319), and respiratory tract irritation (H335). Handle with appropriate personal protective equipment, including Eyeshields, Gloves, and a dust mask (N95 type). Ensure good ventilation.
How is this chemical shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, with extensive experience in handling and shipping hazardous materials internationally, complying with all relevant regulations.
How can I request a sample or quote?
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Please contact our sales team via our website or by phone to request a sample or a quotation for 3-Bromo-2-butoxy-5-fluorophenylboronic acid.
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