4-Ethoxy-2-methylphenylboronic acid
4-Ethoxy-2-methylphenylboronic acid (CAS: 313545-31-2), with the molecular formula C2H5OC6H3(CH3)B(OH)2 and a molecular weight of 180.01, is an aryl boronic acid derivative. It serves as a valuable building block in organic synthesis, particularly in cross-coupling reactions like the Suzuki-Miyaura coupling. This compound is essential for constructing complex organic molecules in research and development settings.

Suzuki-Miyaura Coupling Reagent
4-Ethoxy-2-methylphenylboronic acid is extensively employed as a coupling partner in Suzuki-Miyaura reactions. This facilitates the formation of carbon-carbon bonds, crucial for synthesising biaryl compounds and other complex organic structures.
Organic Synthesis Intermediate
This boronic acid derivative functions as a key intermediate in multi-step organic synthesis. Its functional groups allow for diverse chemical transformations, enabling the construction of novel molecular architectures for research purposes.
Pharmaceutical Research
In pharmaceutical research, 4-Ethoxy-2-methylphenylboronic acid can be used to synthesise potential drug candidates. Its role as a building block aids in the development of new therapeutic agents.
Materials Science
The compound's structure lends itself to applications in materials science, where it can be incorporated into the synthesis of organic electronic materials or polymers with specific properties.
| Molecular weight | 180.01 |
|---|---|
| Linear formula | C2H5OC6H3(CH3)B(OH)2 |
| Melting point | 163-168 °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 4-Ethoxy-2-methylphenylboronic acid used for?
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4-Ethoxy-2-methylphenylboronic acid is primarily used as a building block in organic synthesis, particularly for cross-coupling reactions like the Suzuki-Miyaura coupling, and in pharmaceutical and materials science research.
What is the CAS number and chemical formula for 4-Ethoxy-2-methylphenylboronic acid?
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The CAS number is 313545-31-2, and the chemical formula is C2H5OC6H3(CH3)B(OH)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Ethoxy-2-methylphenylboronic acid with a purity typically greater than 97% or as specified on the Certificate of Analysis. This product is intended for research and laboratory use and is not supplied as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling precautions for 4-Ethoxy-2-methylphenylboronic acid?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. Ensure adequate ventilation. Refer to the Safety Data Sheet (SDS) for comprehensive hazard information.
How is 4-Ethoxy-2-methylphenylboronic acid packed, shipped, and exported?
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Tech Serve Solutions ensures products are securely packed according to international shipping regulations for chemical substances. We are experienced global exporters, handling all necessary documentation for international trade.
How can I request a quote or a sample of 4-Ethoxy-2-methylphenylboronic acid?
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To request a quote or a sample, please visit the Tech Serve Solutions website or contact our sales department directly with your inquiry, including the product name and CAS number.
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