3-Acetylphenylboronic acid
3-Acetylphenylboronic acid (CAS: 204841-19-0; Formula: C8H9BO3; Molar Mass: 163.97 g/mol) is a versatile aryl boronic acid derivative. It serves as a key building block in organic synthesis, particularly in cross-coupling reactions like the Suzuki-Miyaura coupling. Its applications span the development of pharmaceuticals, agrochemicals, and advanced materials, owing to its ability to introduce the 3-acetylphenyl moiety into complex molecular structures.

Organic Synthesis Intermediate
This compound is widely employed in organic synthesis as a coupling partner in palladium-catalyzed cross-coupling reactions. It facilitates the formation of carbon-carbon bonds, enabling the construction of complex organic molecules.
Pharmaceutical Research
3-Acetylphenylboronic acid is utilized in the synthesis of novel drug candidates and pharmacologically active compounds. Its structure allows for the introduction of specific functional groups essential for biological activity.
Materials Science
It can be incorporated into the design and synthesis of advanced materials, including organic light-emitting diodes (OLEDs) and polymers, contributing unique electronic and optical properties.
Agrochemical Development
This reagent finds application in the development of new pesticides and herbicides, aiding in the synthesis of molecules with targeted agricultural applications.
| Molecular weight | 163.97 |
|---|---|
| Linear formula | CH3COC6H4B(OH)2 |
| Impurities tested | <10% 3-acetylphenylboronic anhydride |
| Melting point | 204-208 °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-Acetylphenylboronic acid used for?
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3-Acetylphenylboronic acid is primarily used as an intermediate in organic synthesis, particularly for palladium-catalyzed cross-coupling reactions such as the Suzuki-Miyaura coupling. It is valuable in the research and development of pharmaceuticals, agrochemicals, and advanced materials.
What is the CAS number and chemical formula for 3-Acetylphenylboronic acid?
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The CAS number for 3-Acetylphenylboronic acid is 204841-19-0, and its chemical formula is C8H9BO3.
What grade and purity does Tech Serve Solutions supply for 3-Acetylphenylboronic acid?
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Tech Serve Solutions supplies 3-Acetylphenylboronic acid with a purity typically greater than 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
How should 3-Acetylphenylboronic acid be handled safely?
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3-Acetylphenylboronic acid is classified as an irritant. Handle with appropriate personal protective equipment including dust masks (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation in the work area and avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes. P261, P305 + P351 + P338.
How is 3-Acetylphenylboronic acid packed and shipped?
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Products are carefully packed in appropriate containers to ensure stability and integrity during transit. Tech Serve Solutions is an experienced global exporter and can facilitate shipment worldwide according to international regulations.
How can I request a sample or quote for 3-Acetylphenylboronic acid?
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To request a sample or a quotation for 3-Acetylphenylboronic acid, please visit our website or contact our sales department directly with your inquiry.
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