Description

Benzenepropanoic Acid, 4-Carboxy-, A-Ethyl Ester is a specialized organic ester compound with significant utility as a key synthetic intermediate. Its molecular structure makes it a valuable building block for the production of more complex molecules, particularly in advanced pharmaceutical and fine chemical synthesis. This product is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and material science industries seeking to develop novel active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds targeting inflammation or metabolic disorders.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Material Development: Serves as a starting material for creating specialized organic molecules used in electronic displays and optoelectronic devices.
• Polymer Modification: Acts as a functional monomer or cross-linking agent to introduce specific carboxylic acid ester groups into polymer chains, altering their properties.
• Organic Synthesis & Research: A versatile reagent for constructing complex molecular architectures in academic and industrial research laboratories.
• Dye & Pigment Intermediate: Employed in the synthesis of specialized colorants and pigments with enhanced performance characteristics.

Basic Information

Product Name	Benzenepropanoic Acid, 4-Carboxy-, A-Ethyl Ester
CAS No.	267888-21-1
Molecular Formula	C13H16O4
Molecular Weight	236.26 g/mol
Synonyms	4-Carboxybenzenepropanoic Acid A-Ethyl Ester; Ethyl 4-(2-Carboxyethyl)benzoate; 3-[4-(Ethoxycarbonyl)phenyl]propanoic Acid; 4-(Ethoxycarbonyl)benzenepropanoic Acid; Benzenepropanoic acid, 4-(ethoxycarbonyl)-; Ethyl 4-(3-Carboxypropyl)benzoate (isomer); Aromatic Diester Intermediate
EINECS	Contact for details

Quality Control

Our Benzenepropanoic Acid, 4-Carboxy-, A-Ethyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, which includes data from HPLC, NMR, and IR spectroscopy. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your critical synthesis workflows.

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). This product is hygroscopic (moisture-sensitive); therefore, containers must be kept tightly sealed after opening to prevent degradation due to moisture absorption. Keep away from incompatible materials such as strong oxidizing agents, strong bases, and strong acids.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%

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