Description

4-(4-Carboxyphenyl)-3-Hydroxybenzoic Acid is a high-purity, multifunctional aromatic dicarboxylic acid derivative. This compound is a valuable advanced pharmaceutical intermediate (API) and a versatile building block for synthesizing complex organic molecules. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules, particularly for candidates targeting specific protein interactions.
• Ligand Synthesis: Used in the preparation of chelating agents and ligands for catalysis and metal-organic frameworks (MOFs).
• Polymer Chemistry: Serves as a monomer or cross-linking agent for producing high-performance polyesters, polyamides, and other specialty polymers.
• Agrochemical Research: Employed as a precursor in the development of new herbicides, fungicides, and plant growth regulators.
• Dye & Pigment Intermediate: Functions in the synthesis of organic dyes and pigments due to its conjugated aromatic structure.
• Material Science: Used in the research and development of advanced organic electronic materials and liquid crystals.

Basic Information

Product Name	4-(4-Carboxyphenyl)-3-Hydroxybenzoic Acid
CAS No.	927676-33-3
Molecular Formula	C14H10O5
Molecular Weight	258.23 g/mol
Synonyms	3-Hydroxy-4-(4-carboxyphenyl)benzoic Acid; 4'-Carboxy-3-hydroxy[1,1'-biphenyl]-4-carboxylic Acid; [1,1'-Biphenyl]-4,4'-dicarboxylic acid, 3-hydroxy-; 3-Hydroxybiphenyl-4,4'-dicarboxylic Acid; Biphenyl-4,4'-dicarboxylic acid, 3-hydroxy-; 4-(4-Carboxyphenyl)-3-hydroxy-benzoic acid
EINECS	Contact for details

Quality Control

Our 4-(4-Carboxyphenyl)-3-Hydroxybenzoic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment supports applications requiring GMP-grade intermediates and research-grade chemicals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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