Description

n-(2,5-Dimethoxy-4-Chlorophenyl)-2-[4-[(4,5,6,7-Tetrachloro-1-Oxoisoindolin-3-Ylidene)Amino]Phenylazo]-β-Oxobutanamide CAS NO 72668-13-4 is a specialized, high-purity organic pigment intermediate. This compound is valued for its complex molecular structure, which imparts specific chromophoric properties essential for producing high-performance colorants. It is primarily sought by manufacturers in the pigments and dyes, advanced materials, and specialty chemical synthesis sectors for developing products with enhanced color fastness and stability.

Application

This advanced chemical intermediate serves critical functions in several high-value industrial applications:

• High-Performance Pigment Synthesis: A key precursor for manufacturing complex organic pigments, particularly phthalocyanine and azo pigment derivatives, used in automotive paints, industrial coatings, and plastics.
• Specialty Dye Manufacturing: Used in the synthesis of dyes for textiles, inks, and other materials requiring specific lightfastness and chemical resistance properties.
• Functional Material Research: Serves as a building block in R&D for novel organic electronic materials, including organic photoconductors and light-absorbing layers.
• Analytical Chemistry & Reagents: May be utilized as a standard or a specialized reagent in chromatographic analysis and chemical research due to its distinct structure.
• Fine Chemical Synthesis: Acts as an intermediate in multi-step synthetic routes for pharmaceuticals and other complex organic molecules.

Basic Information

Product Name	n-(2,5-Dimethoxy-4-Chlorophenyl)-2-[4-[(4,5,6,7-Tetrachloro-1-Oxoisoindolin-3-Ylidene)Amino]Phenylazo]-β-Oxobutanamide
CAS No.	72668-13-4
Molecular Formula	C32H21Cl5N4O5
Molecular Weight	722.81 g/mol
Synonyms	72668-13-4; Butanamide, N-(2,5-dimethoxy-4-chlorophenyl)-2-[4-[(4,5,6,7-tetrachloro-1,3-dihydro-1-oxo-2H-isoindol-2-ylidene)amino]phenyl]diazenyl]-3-oxo-; 2-[4-[(4,5,6,7-Tetrachloro-1-oxoisoindolin-3-ylidene)amino]phenyl]diazenyl]-3-oxo-N-(2,5-dimethoxy-4-chlorophenyl)butanamide; Azo Pigment Intermediate; Tetrachloroisoindolinone-based Azo Compound; Chlorinated Azo Pigment Precursor
EINECS	Contact for details

Quality Control

Our production of this specialty intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity assay, IR and NMR for structural confirmation, and elemental analysis. A detailed Certificate of Analysis (COA) documenting all test results is provided with every shipment 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 a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. The container must be kept tightly sealed to protect the product from moisture and contamination.

Specification

Item	Specification
Appearance	Fine Powder (Color: Contact for details)
Identification (IR)	Conforms to Reference Spectrum
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0 %
Residue on Ignition	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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