Description

4-Bromobenzoic Acid is a versatile aromatic carboxylic acid derivative, serving as a critical building block in advanced organic synthesis. Its value lies in the bromine substituent, which provides a reactive site for further functionalization via cross-coupling reactions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries, enabling the development of complex molecules and specialty chemicals.

Application

• Pharmaceutical Intermediates: A key precursor in synthesizing active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring aryl-bromide coupling sites.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where the benzoic acid scaffold is required.
• Liquid Crystal & OLED Materials: Acts as a building block for creating advanced organic electronic materials and liquid crystal compounds.
• Polymer Chemistry: Employed as a monomer or modifier in the synthesis of specialty polymers and resins to introduce specific functional groups.
• Organic Synthesis & Research: A fundamental reagent in laboratories for Suzuki, Heck, and other palladium-catalyzed cross-coupling reactions.
• Dye & Pigment Manufacturing: Serves as an intermediate in the production of complex dyes and organic pigments.

Basic Information

Product Name	4-Bromobenzoic Acid
CAS No.	586-76-5
Molecular Formula	C7H5BrO2
Molecular Weight	201.02 g/mol
Synonyms	p-Bromobenzoic Acid; 4-Bromobenzenecarboxylic Acid; Benzoic acid, 4-bromo-; UNII-4O5H67117Y; NSC 404087; BRN 1909132; p-Carboxybromobenzene; 1-Bromo-4-carboxybenzene
EINECS	209-573-7

Quality Control

Our 4-Bromobenzoic Acid is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, ensuring traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	251 - 255 °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.