Description

4-Ethoxy-3-Methoxy-Benzoic Acid is a versatile aromatic carboxylic acid derivative, serving as a key synthetic intermediate in advanced organic chemistry. Its value lies in the ethoxy and methoxy substituents on the benzoic acid core, which provide distinct electronic and steric properties for fine-tuning molecular structures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel drug candidates, particularly for central nervous system (CNS) agents and anti-inflammatory compounds.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides and plant growth regulators, where its substituted aromatic structure is valuable.
• Liquid Crystal & OLED Materials: Acts as a precursor or modifying agent in the development of specialty chemicals for electronic displays and organic light-emitting diodes.
• Fragrance & Flavor Chemistry: Serves as an intermediate for creating complex aromatic esters and other compounds used in high-value fragrance and flavor formulations.
• Polymer Modification: Employed to introduce functional benzoate groups into polymer chains, enhancing properties like UV stability or adhesion.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for constructing complex molecules via esterification, amidation, and other coupling reactions.

Basic Information

Product Name	4-Ethoxy-3-Methoxy-Benzoic Acid
CAS No.	3535-30-6
Molecular Formula	C10H12O4
Molecular Weight	196.20 g/mol
Synonyms	3-Methoxy-4-ethoxybenzoic acid; 4-Ethoxy-3-methoxybenzoic acid; 3-Methoxy-4-ethoxybenzoic Acid; Benzoic acid, 4-ethoxy-3-methoxy-; Ethyl vanillic acid; 4-Ethoxy-m-anisic acid; 4-Ethoxy-3-methoxy-benzoic acid; 3-Methoxy-4-ethoxy-benzoic acid
EINECS	222-567-3

Quality Control

Our 4-Ethoxy-3-Methoxy-Benzoic Acid is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes results from HPLC for assay and impurity profiling, IR for identification, and other relevant physicochemical tests. Our quality commitment ensures the material meets the stringent requirements for research and commercial synthesis.

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 heat, sparks, and open flame. The compound is light-sensitive; prolonged exposure to light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158°C - 162°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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