Description

4-Ethoxybenzoic acid is a versatile aromatic carboxylic acid derivative, serving as a critical intermediate in advanced organic synthesis. Its value lies in the ethoxy substituent, which modifies reactivity and solubility, making it a preferred building block for creating complex molecules. This compound is essential for R&D and production in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring ethoxy-substituted benzoic acid motifs.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & Polymer Chemistry: Acts as a monomer or modifying agent in the production of specialty polymers and liquid crystal materials.
• Organic Synthesis & Research: A valuable building block for synthesizing esters, amides, and other derivatives in academic and industrial R&D laboratories.
• Dye & Pigment Manufacturing: Intermediate in the production of certain azo dyes and organic pigments.
• Flavor & Fragrance Ingredient: Used in the synthesis of certain aromatic compounds for fragrance applications.

Basic Information

Product Name	4-Ethoxybenzoic acid
CAS No.	619-83-3
Molecular Formula	C9H10O3
Molecular Weight	166.17 g/mol
Synonyms	p-Ethoxybenzoic Acid; 4-Ethoxybenzoic Acid; Benzoic acid, 4-ethoxy-; 4-Carboxyphenetole; p-Carboxyphenetole; Ethyl 4-hydroxybenzoate ether; AECB
EINECS	210-607-1

Quality Control

Our 4-Ethoxybenzoic acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR), to ensure it meets exacting standards for industrial and research use. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	195°C - 199°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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