Description

4-Cyanobenzoic Acid is a versatile aromatic organic compound featuring both a carboxylic acid and a nitrile functional group on the benzene ring. This bifunctional structure makes it a critical pharmaceutical intermediate and a valuable building block in advanced organic synthesis. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and liquid crystal industries for the production of active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs), including antihypertensive and anti-inflammatory drugs.
• Agrochemical Synthesis: Used as a building block for manufacturing herbicides, fungicides, and plant growth regulators.
• Liquid Crystal Materials: Serves as a core component in the production of monomers for liquid crystal displays (LCDs).
• Polymer Chemistry: Employed in the creation of specialty polymers, polyamides, and high-performance engineering plastics.
• Organic Synthesis: A versatile reagent for constructing complex molecules via reactions at either the acid or nitrile group.
• Dye and Pigment Manufacturing: Intermediate in the synthesis of certain azo dyes and organic pigments.

Basic Information

Product Name	4-Cyanobenzoic Acid
CAS No.	619-65-8
Molecular Formula	C8H5NO2
Molecular Weight	147.13 g/mol
Synonyms	p-Cyanobenzoic Acid; 4-Carboxybenzonitrile; Benzoic acid, 4-cyano-; Terephthalic acid mononitrile; p-Carboxybenzonitrile; 1,4-Benzenedicarboxylic acid mononitrile; NSC 9375; 4-CBA
EINECS	210-598-7

Quality Control

Our 4-Cyanobenzoic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for pharmaceutical and fine chemical applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be kept under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	218°C - 222°C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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