Description

4-Bromo-3-Hydroxybenzoic Acid is a versatile halogenated phenolic acid derivative that serves as a critical building block in advanced organic synthesis. Its unique structure, featuring both a bromine substituent and a phenolic hydroxyl group ortho to the carboxylic acid, makes it a valuable intermediate for creating complex molecules with tailored properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a halogenated benzoic acid scaffold.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and plant growth regulators where the bromo and hydroxy groups impart specific bioactivity.
• Liquid Crystal & OLED Materials: Serves as a building block for synthesizing advanced organic electronic materials and liquid crystal compounds due to its rigid, substituted aromatic core.
• Polymer Modification: Employed to introduce functional groups into polymer chains, enhancing properties like adhesion, UV stability, or reactivity.
• Dye & Pigment Manufacturing: Acts as an intermediate in the production of specialized dyes and organic pigments.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical reactions and creating novel compound libraries.
• Coordination Chemistry: Functions as a ligand for metal complexes in catalytic and material science applications.

Basic Information

Product Name	4-Bromo-3-Hydroxybenzoic Acid
CAS No.	14348-38-0
Molecular Formula	C7H5BrO3
Molecular Weight	217.02 g/mol
Synonyms	3-Hydroxy-4-bromobenzoic Acid; 4-Bromo-3-hydroxybenzoic acid; 4-Bromosalicylic Acid; Benzoic acid, 4-bromo-3-hydroxy-; 4-Bromo-3-hydroxy-benzoic acid; 4-Brom-3-hydroxybenzoesäure (German); Acide 4-bromo-3-hydroxybenzoïque (French)
EINECS	Contact for details

Quality Control

Our 4-Bromo-3-Hydroxybenzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the highest standards of purity and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, which includes data from HPLC, NMR, and other relevant identification and purity tests. Our quality commitment ensures reliability for your most sensitive synthesis applications.

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 strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	218°C - 222°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.