Description

2,5-Bisanilinoterephthalic Acid Diethyl Ester is a specialized organic intermediate featuring a terephthalic acid core symmetrically substituted with aniline and ethyl ester functional groups. This compound matters as a key building block for synthesizing advanced materials, particularly high-performance polymers and dyes, due to its rigid, conjugated structure. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel compounds with tailored optical and electronic properties.

Application

• Pharmaceutical Intermediate: Serves as a precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Polymer & Material Science: Used as a monomer or co-monomer for creating high-temperature resistant polymers, liquid crystals, and advanced polyimides.
• Dye & Pigment Manufacturing: Acts as a key intermediate for producing specialized azo dyes and organic pigments with enhanced color fastness.
• Agrochemical Synthesis: Employed in the research and development of novel herbicides and plant growth regulators.
• Organic Electronics: Investigated for use in the development of organic light-emitting diodes (OLEDs) and semiconductor materials.
• Research & Development: A valuable tool in academic and industrial organic chemistry labs for exploring new synthetic pathways and molecular structures.

Basic Information

Product Name	2,5-Bisanilinoterephthalic Acid Diethyl Ester
CAS No.	14297-59-7
Molecular Formula	C30H26N2O4
Molecular Weight	478.54 g/mol
Synonyms	Diethyl 2,5-Bis(phenylamino)terephthalate; 2,5-Bis(anilino)terephthalic Acid Diethyl Ester; Terephthalic Acid, 2,5-Bis(phenylamino)-, Diethyl Ester; 2,5-Di(anilino)terephthalic Acid Diethyl Ester; Diethyl 2,5-Dianilinoterephthalate; 2,5-Bis(phenylamino)-1,4-benzenedicarboxylic Acid Diethyl Ester
EINECS	Contact for details

Quality Control

Our 2,5-Bisanilinoterephthalic Acid Diethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (HPLC), impurity profile, and physical characteristics is provided with each shipment to guarantee it meets your precise research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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