Description

3-Cyano-4-Hydroxybenzoic Acid is a versatile aromatic compound that serves as a key synthetic intermediate in advanced organic chemistry. Its unique structure, featuring both a cyano and a carboxylic acid group on a phenolic ring, makes it a valuable building block for creating complex molecules. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme inhibitors or receptor modulators.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators, leveraging its benzoic acid derivative properties.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for synthesizing specialized organic compounds used in electronic displays and optoelectronic devices.
• Polymer & Resin Modifier: Incorporated to introduce specific functional groups (cyano, carboxyl) into polymer chains, altering material properties like adhesion, solubility, or thermal stability.
• Coordination Chemistry Ligand: Acts as a chelating agent for metal ions in catalytic systems or for the preparation of metal-organic frameworks (MOFs).
• Dye & Pigment Intermediate: Utilized in the production of specialized colorants and photographic chemicals.
• Academic & Industrial Research: A valuable reagent for methodological studies in organic synthesis and chemical biology.

Basic Information

Product Name	3-Cyano-4-Hydroxybenzoic Acid
CAS No.	70829-28-6
Molecular Formula	C8H5NO3
Molecular Weight	163.13 g/mol
Synonyms	4-Hydroxy-3-cyanobenzoic Acid; 3-Cyano-4-hydroxybenzoic acid; Benzoic acid, 3-cyano-4-hydroxy-; 3-Carboxy-2-hydroxybenzonitrile; 2-Hydroxy-5-carboxybenzonitrile; 4-Hydroxyisophthalonitrile-3-carboxylic acid; 3-Cyano-4-hydroxy-benzoic acid; 70829-28-6
EINECS	Contact for details

Quality Control

Our 3-Cyano-4-Hydroxybenzoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay (HPLC), identification (IR), and impurity profiles. Our quality commitment ensures the material is suitable for demanding research and scale-up 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 incompatible materials such as strong oxidizing agents, strong bases, and strong acids. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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