Description

2,5-Bis(2-Chloroanilino)Terephthalic Acid is a specialized organic intermediate characterized by its functionalized terephthalic acid core with chloro-substituted anilino groups. This compound matters for its role as a key building block in the synthesis of advanced materials, particularly high-performance pigments and dyes, where its molecular structure imparts specific color and stability properties. It is primarily needed by manufacturers in the chemical synthesis, specialty pigments, and advanced polymer industries seeking to develop products with tailored optical and chemical characteristics.

Application

• Key Intermediate for High-Performance Pigments: Serves as a crucial precursor in the synthesis of diketopyrrolopyrrole (DPP) pigments and other complex organic pigments renowned for their exceptional color strength, weatherfastness, and thermal stability.
• Specialty Dye Manufacturing: Used in the production of advanced dyes for applications requiring specific lightfastness and chemical resistance.
• Functional Polymer Synthesis: Incorporated as a monomer or additive to create polymers with enhanced properties, such as specific chromophoric units for optical materials.
• Research & Development: Employed in academic and industrial R&D laboratories for exploring new organic semiconductors, nonlinear optical materials, and other advanced functional molecules.
• Liquid Crystal and OLED Materials: Investigated for use in the synthesis of components for electronic displays and lighting due to its conjugated structure.

Basic Information

Product Name	2,5-Bis(2-Chloroanilino)Terephthalic Acid
CAS No.	10291-27-7
Molecular Formula	C22H16Cl2N2O4
Molecular Weight	443.28 g/mol
Synonyms	2,5-Bis[(2-chlorophenyl)amino]terephthalic acid; Terephthalic acid, 2,5-bis[(2-chlorophenyl)amino]-; 2,5-Bis(2-chloroanilino)-1,4-benzenedicarboxylic acid; 2,5-Di(2-chloroanilino)terephthalic acid; DPP intermediate; 2,5-Bis[(2-chlorophenyl)amino]-1,4-phthalic acid; 10291-27-7 (CAS Registry Number)
EINECS	Contact for details

Quality Control

Our 2,5-Bis(2-Chloroanilino)Terephthalic Acid is produced under stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity assessment and identity confirmation via spectroscopic methods, to ensure consistent quality and batch-to-batch reproducibility. Certificates of Analysis (COA) detailing specific results are available upon request to support your quality assurance and regulatory needs.

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 preserve stability.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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