Description

4-Cyano-3-Hydroxybenzoic Acid is a versatile aromatic compound featuring both cyano and carboxylic acid functional groups, making it a valuable intermediate in advanced organic synthesis. Its molecular structure is critical for constructing complex molecules where precise electronic and steric properties are required. This high-purity building block is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of novel drug candidates, including kinase inhibitors and other biologically active molecules.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Serves as a precursor for constructing complex organic frameworks used in electronic display technologies.
• Coordination Chemistry & Ligand Design: The carboxylic acid and phenolic hydroxyl groups make it a useful ligand for metal complexation in catalytic systems.
• Polymer Modification: Employed to introduce functional groups into polymer backbones to alter material properties like solubility and thermal stability.
• Academic & Industrial R&D: A fundamental building block for methodological development and exploratory chemistry in research laboratories.

Basic Information

Product Name	4-Cyano-3-Hydroxybenzoic Acid
CAS No.	220542-03-0
Molecular Formula	C8H5NO3
Molecular Weight	163.13 g/mol
Synonyms	3-Hydroxy-4-cyanobenzoic Acid; 4-Cyano-3-hydroxybenzoic acid; Benzoic acid, 4-cyano-3-hydroxy-; 3-Hydroxy-p-cyanobenzoic Acid; 4-Carboxy-2-hydroxybenzonitrile; 2-Hydroxy-4-carboxybenzonitrile; 4-Cyano-3-hydroxy-benzoic acid; 220542-03-0
EINECS	Contact for details

Quality Control

Every batch of 4-Cyano-3-Hydroxybenzoic Acid is manufactured under a strict quality management system. We provide material that meets high-purity standards suitable for research and industrial synthesis, with typical purity levels exceeding 97% (HPLC). Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request.

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 compound is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed to minimize exposure to atmospheric humidity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%
Single Impurity (HPLC)	≤ 1.0%

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