Description

5-Anilino-2-[(p-Tolyl)Amino]Terephthalic Acid is a specialized organic intermediate featuring a terephthalic acid core substituted with anilino and p-tolylamino functional groups. This molecular structure makes it a valuable precursor for synthesizing advanced materials, including dyes, pigments, and functional polymers. It is primarily sought after by research institutions and industrial manufacturers in the fine chemical, advanced material science, and pharmaceutical development sectors.

Application

• Dye and Pigment Intermediate: A key building block for the synthesis of high-performance, color-fast azo dyes and complex organic pigments.
• Functional Polymer Synthesis: Used as a monomer or co-monomer to create polymers with specific optical or electronic properties.
• Liquid Crystal and OLED Materials: Serves as a core structure in the development of organic semiconductors and liquid crystal compounds for display technologies.
• Pharmaceutical Research Intermediate: Employed in medicinal chemistry for the construction of novel drug candidates and bioactive molecules.
• Metal-Organic Framework (MOF) Precursor: The carboxylic acid groups can act as linkers in the construction of porous coordination polymers.
• Analytical Chemistry Reagent: May be used as a standard or a derivatization agent in chromatographic analysis.

Basic Information

Product Name	5-Anilino-2-[(p-Tolyl)Amino]Terephthalic Acid
CAS No.	67906-32-5
Molecular Formula	C21H18N2O4
Molecular Weight	362.38 g/mol
Synonyms	5-Anilino-2-[(4-methylphenyl)amino]terephthalic acid; 2,5-Bis(arylamino)terephthalic acid derivative; Terephthalic acid, 5-anilino-2-[(4-methylphenyl)amino]-; 5-(Phenylamino)-2-[(4-methylphenyl)amino]-1,4-benzenedicarboxylic acid; 2-[(4-Methylphenyl)amino]-5-(phenylamino)terephthalic acid; 4,4'-(2,5-Dicarboxy-1,4-phenylene)bis(azanediyl)dibenzene (alternative representation); N1,N4-Bis(4-methylphenyl)-2,5-dicarboxybenzene-1,4-diamine (related structure).
EINECS	Contact for details

Quality Control

Our production of 5-Anilino-2-[(p-Tolyl)Amino]Terephthalic Acid adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. 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, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. The compound is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical 97-99%)
Melting Point	Contact for details
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.