Description

4-Ethyl-3-Methoxybenzoic Acid is a high-purity aromatic carboxylic acid derivative serving as a versatile and critical building block in advanced organic synthesis. Its molecular structure, featuring both ethyl and methoxy substituents, makes it a valuable intermediate for creating complex molecules with tailored properties. This compound is essential for research and production in the pharmaceutical and agrochemical industries, where it is used to develop active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key starting material or intermediate in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting specific receptor sites.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and plant growth regulators, leveraging its aromatic backbone for bioactivity.
• Liquid Crystal & OLED Materials: Serves as a precursor in the production of specialty chemicals for electronic displays, contributing to the molecular framework of liquid crystals and organic light-emitting diodes.
• Polymer & Resin Modifiers: Functions as a monomer or additive to introduce specific functional groups into polymers, enhancing properties like solubility, thermal stability, or adhesion.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of complex organic dyes and pigments, where the methoxy and carboxylic acid groups allow for color tuning and binding.
• Chemical Research & Development: Employed in academic and industrial R&D labs as a standard or novel reagent for method development and exploring new chemical reactions.

Basic Information

Product Name	4-Ethyl-3-Methoxybenzoic Acid
CAS No.	948553-28-4
Molecular Formula	C10H12O3
Molecular Weight	180.20 g/mol
Synonyms	3-Methoxy-4-ethylbenzoic Acid; 4-Ethyl-3-methoxybenzoic Acid; 4-Ethyl-m-anisic Acid; 3-Methoxy-4-ethylbenzoic Acid; Benzoic acid, 4-ethyl-3-methoxy-; 948553-28-4 (CAS)
EINECS	Contact for details

Quality Control

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

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.