Description

3,4-Dimethylphenylboronic Acid is a versatile and high-purity organoboron compound, essential as a key building block in modern synthetic chemistry. Its primary value lies in enabling precise carbon-carbon bond formation, a critical step in the synthesis of complex molecules. This boronic acid is particularly sought after by researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials industries for developing new active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A crucial reagent in Suzuki-Miyaura cross-coupling reactions for synthesizing novel drug candidates, especially in oncology and CNS therapeutic areas.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides with improved efficacy and environmental profiles.
• Liquid Crystal & OLED Materials: Serves as a building block for creating organic semiconductors and emissive layers in display and lighting technologies.
• Polymer & Resin Modification: Incorporated into polymer backbones to impart specific thermal, mechanical, or electronic properties.
• Chemical Research & Development: A standard tool in academic and industrial R&D labs for methodology development and library synthesis.
• Sensor Development: Utilized in the fabrication of molecular sensors and probes due to its specific binding characteristics.

Basic Information

Product Name	3,4-Dimethylphenylboronic Acid
CAS No.	55499-43-9
Molecular Formula	C8H11BO2
Molecular Weight	149.98 g/mol
Synonyms	(3,4-Dimethylphenyl)boronic acid; 3,4-Dimethylbenzeneboronic acid; 3,4-Xylylboronic acid; B-(3,4-Dimethylphenyl)boronic acid; 3,4-Dimethylphenyl-B(OH)2; 55499-43-9; Boronic acid, B-(3,4-dimethylphenyl)-
EINECS	Contact for details

Quality Control

Our 3,4-Dimethylphenylboronic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and batch-to-batch consistency suitable for demanding synthetic applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under inert atmosphere (e.g., nitrogen or argon) for long-term storage or after opening to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.