Description

4-Cyano-3-Ethylbenzoic Acid is a versatile aromatic carboxylic acid derivative characterized by its cyano and ethyl substituents, serving as a high-value synthetic intermediate. This compound is critical for constructing complex molecular architectures, offering precise control over chemical reactivity and physical properties in advanced synthesis. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system and metabolic disorders.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides and fungicides, where its benzoic acid core provides structural diversity.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for synthesizing specialized organic compounds used in electronic displays and photonic devices.
• Polymer Modification: Employed to introduce cyano and carboxylic acid functionalities into polymer chains, enhancing material properties like adhesion and thermal stability.
• Organic Synthesis & Chemical Research: A valuable reagent for academic and industrial R&D in constructing complex heterocycles and fine chemicals.
• Coordination Chemistry Ligand: The carboxylic acid and cyano groups can act as binding sites for metal ions, useful in catalyst design and material science.

Basic Information

Product Name	4-Cyano-3-Ethylbenzoic Acid
CAS No.	138642-94-1
Molecular Formula	C10H9NO2
Molecular Weight	175.18 g/mol
Synonyms	3-Ethyl-4-cyanobenzoic Acid; Benzoic acid, 4-cyano-3-ethyl-; 4-Cyano-3-ethyl-benzoic acid; 2-Ethyl-4-carboxybenzonitrile; 4-Carboxy-2-ethylbenzonitrile; 3-Ethyl-4-cyanobenzoic acid; 4-Cyano-3-methylbenzoic acid ethyl homologue
EINECS	Contact for details

Quality Control

Our 4-Cyano-3-Ethylbenzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting research and commercial-grade specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases, strong oxidizing agents, and sources of ignition.

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	≤ 20 ppm

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