Description

3-Bromo-4-Methylbenzoic Acid is a versatile halogenated aromatic carboxylic acid derivative, serving as a critical building block in advanced organic synthesis. Its value lies in the strategic positioning of the bromine and methyl substituents on the benzoic acid core, which allows for selective functionalization and the construction of complex molecular architectures. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries who require high-purity intermediates for developing active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a halogenated aromatic moiety for biological activity or further coupling reactions.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and other crop protection agents where the benzoic acid structure is a common scaffold.
• Liquid Crystal & OLED Material Development: Serves as a starting material for creating advanced organic electronic materials and liquid crystal compounds due to its rigid, modifiable aromatic structure.
• Polymer Chemistry: Acts as a monomer or modifier in the production of specialty polymers, including polyesters and polyamides, to introduce specific functional groups.
• Organic Synthesis & Catalysis Research: A valuable reagent in cross-coupling reactions (e.g., Suzuki, Heck) and as a ligand precursor in catalytic system development.
• Dye & Pigment Manufacturing: Intermediate in the synthesis of complex dyes and organic pigments, leveraging the bromine atom for chromophore development.

Basic Information

Product Name	3-Bromo-4-Methylbenzoic Acid
CAS No.	7697-26-9
Molecular Formula	C8H7BrO2
Molecular Weight	215.05 g/mol
Synonyms	4-Methyl-3-bromobenzoic Acid; 3-Bromo-p-toluic Acid; 3-Bromo-4-methylbenzenecarboxylic Acid; Benzoic acid, 3-bromo-4-methyl-; 2-Bromo-4-carboxytoluene; NSC 403119; BRN 2049561
EINECS	Contact for details

Quality Control

Our 3-Bromo-4-Methylbenzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and tests for residual solvents and heavy metals to ensure it meets the stringent requirements of our global clientele. Certificates of Analysis (COA) detailing all specifications are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	205°C - 210°C
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals (as Pb)	≤20 ppm

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