Description

Acetic Acid, 2-(4-Aminophenoxy)-, Ethyl Ester is a specialized aromatic amine derivative with a CAS Registry Number of 20485-38-5. This compound serves as a versatile and high-value intermediate in advanced organic synthesis, prized for its bifunctional reactivity. It is primarily sought by research and development teams, as well as production chemists, in the pharmaceutical and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing diaryl ether and aniline motifs.
• Polymer Chemistry: Used as a monomer or functionalization agent in the production of specialty polymers, including polyimides and polyamides, for high-performance applications.
• Liquid Crystal & OLED Materials: Serves as a precursor in the manufacture of advanced electronic materials for displays and lighting, leveraging its aromatic and amine functionality.
• Agrochemical Synthesis: Employed in the research and development of novel herbicides and pesticides where specific aromatic amine structures are required.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of complex azo dyes and organic pigments, contributing to color strength and stability.
• Cross-coupling Reactions: A valuable substrate in palladium-catalyzed reactions, such as Buchwald-Hartwig amination, for creating carbon-nitrogen bonds.

Basic Information

Product Name	Acetic Acid, 2-(4-Aminophenoxy)-, Ethyl Ester
CAS No.	20485-38-5
Molecular Formula	C12H15NO3
Molecular Weight	221.25 g/mol
Synonyms	Ethyl 2-(4-aminophenoxy)acetate; 2-(4-Aminophenoxy)acetic Acid Ethyl Ester; 4-Aminophenoxyacetic Acid Ethyl Ester; Ethyl (4-Aminophenoxy)acetate; Acetic acid, (4-aminophenoxy)-, ethyl ester; Ethyl p-aminophenoxyacetate; NSC 163044
EINECS	243-864-7

Quality Control

Every batch of Acetic Acid, 2-(4-Aminophenoxy)-, Ethyl Ester is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the precise requirements for research and production. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are supplied with each shipment and are available upon request.

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). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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