Description

4-Carboxylic Acid Ethyl Ester is a high-purity organic building block and synthetic intermediate of significant commercial importance. This compound is valued for its versatile reactivity, particularly in constructing complex molecular frameworks for advanced materials and active pharmaceutical ingredients. It serves as a critical precursor for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel compounds with enhanced properties.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly for molecules requiring specific carboxylic acid ester functionalities.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its ester group is a crucial synthetic handle.
• Organic Synthesis & Research: A versatile reagent in academic and industrial R&D labs for constructing complex organic molecules, heterocycles, and fine chemicals.
• Material Science Precursor: Employed in the development of specialty polymers, liquid crystals, and organic electronic materials due to its modifiable functional groups.
• Flavor & Fragrance Industry: Serves as an intermediate for synthesizing specific ester-based aroma compounds and flavoring agents.

Basic Information

Product Name	4-Carboxylic Acid Ethyl Ester
CAS No.	915394-68-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Ethyl 4-Carboxybenzoate; 4-(Ethoxycarbonyl)benzoic Acid; Ethyl 4-Carboxylate Benzoate; Benzoic acid, 4-(ethoxycarbonyl)-; 4-Carboxybenzoic Acid Ethyl Ester; Ethyl p-Carboxybenzoate; p-(Ethoxycarbonyl)benzoic Acid; CAS 915394-68-2
EINECS	Contact for details

Quality Control

Our 4-Carboxylic Acid Ethyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the high-purity standards required for sensitive synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality commitment ensures batch-to-batch consistency and reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.