Description

1,4-Benzenedicarboxylicacid,2-Amino-,4-Ethylester(9Ci) is a specialized aromatic amino acid ester derivative, serving as a high-value intermediate in advanced organic synthesis. Its unique structure, featuring both a carboxylic acid ester and an amino group on the terephthalate backbone, makes it a critical building block for creating complex molecules with tailored properties. This compound is primarily sought after by research institutions and industrial R&D departments focused on developing novel polymers, pharmaceutical active ingredients, and specialty dyes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for targeted therapies.
• Polymer & Material Science: Used in the development of specialty polyamides, polyimides, and other high-performance polymers requiring specific functional groups.
• Liquid Crystal & OLED Materials: Serves as a building block for advanced organic electronic materials due to its rigid, functionalized aromatic core.
• Agrochemical Synthesis: Employed in the research and production of new-generation herbicides and plant growth regulators.
• Dye & Pigment Manufacturing: Acts as an intermediate for creating azo dyes and other complex colorants with enhanced stability.
• Coordination Chemistry & Ligand Synthesis: Useful for synthesizing chelating ligands for metal catalysts and sensors.

Basic Information

Product Name	1,4-Benzenedicarboxylicacid,2-Amino-,4-Ethylester(9Ci)
CAS No.	218590-80-8
Molecular Formula	C11H11NO4
Molecular Weight	221.21 g/mol
Synonyms	2-Aminoterephthalic Acid 4-Ethyl Ester; 4-Ethyl 2-Aminoterephthalate; Ethyl 2-Amino-1,4-benzenedicarboxylate; 2-Amino-4-ethoxycarbonylbenzoic Acid; 4-(Ethoxycarbonyl)-2-aminobenzoic Acid; 2-Amino-1,4-benzenedicarboxylic Acid Monoethyl Ester; Amino Terephthalic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our production of 1,4-Benzenedicarboxylicacid,2-Amino-,4-Ethylester(9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research and industrial use. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). The compound may be light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.