Description

1,2-Benzenedicarboxylic Acid, 3-Amino-, 2-Ethyl Ester is a specialized aromatic amino ester derivative, serving as a key multifunctional intermediate in advanced organic synthesis. Its molecular structure, featuring both an amino group and an ester linkage on the phthalic acid backbone, makes it a versatile building block for constructing complex molecules with tailored properties. This compound is primarily sought by R&D and production chemists in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring precise molecular modification.

Application

• Pharmaceutical Intermediate: Synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring phthalimide or amino-substituted aromatic scaffolds.
• Agrochemical Synthesis: Production of advanced herbicides, fungicides, and plant growth regulators where its bifunctional nature allows for the creation of novel bioactive compounds.
• Polymer & Resin Modifier: Used in the synthesis of specialty polyamides, polyimides, and epoxy curing agents to introduce amino functionality and improve material properties like adhesion and thermal stability.
• Dye & Pigment Manufacturing: Acts as a precursor for azo dyes and organic pigments, leveraging the amino group for diazotization and color development.
• Corrosion Inhibitor Formulation: Incorporated into coatings and additives for metals, where its aromatic amine structure provides effective passivation properties.
• Research & Development: Serves as a valuable building block in academic and industrial R&D for exploring new chemical entities and reaction pathways in medicinal and materials chemistry.

Basic Information

Product Name	1,2-Benzenedicarboxylic Acid, 3-Amino-, 2-Ethyl Ester
CAS No.	1822756-03-5
Molecular Formula	C11H11NO4
Molecular Weight	221.21 g/mol
Synonyms	3-Aminophthalic Acid 2-Ethyl Ester; 2-Ethyl 3-Aminophthalate; Ethyl 3-Amino-1,2-benzenedicarboxylate; 3-Amino-1,2-benzenedicarboxylic Acid Monoethyl Ester; 2-Carboxy-3-aminobenzoic Acid Ethyl Ester; 3-Aminophthalic Acid Monoethyl Ester; Amino Phthalate Ester; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of 1,2-Benzenedicarboxylic Acid, 3-Amino-, 2-Ethyl Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet the high standards required for synthetic intermediates. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, impurity profile, and physical characteristics.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Due to its sensitivity to oxidation, prolonged storage under an inert atmosphere (e.g., nitrogen or argon) is recommended for optimal long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm
Residue on Ignition	≤ 0.1%
Single Maximum Impurity (HPLC)	≤ 1.0%

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