Description

4,4'-Bis[Acetoaceto(2-Methoxy-5-Chloroanilid)-2-Ylazo]-3,3'-Dichlorobiphenyl is a high-performance, specialized azo pigment intermediate. This compound is valued for its ability to impart excellent color strength, thermal stability, and lightfastness in demanding applications. It is primarily used by manufacturers in the pigments, plastics, and specialty coatings industries seeking to produce high-quality, durable colored products.

Application

• High-Performance Organic Pigments: A key intermediate for synthesizing high-grade azo pigments, particularly yellows, oranges, and reds.
• Plastics Coloring: Used in the masterbatch production for coloring engineering plastics, PVC, and polyolefins requiring good dispersion and heat resistance.
• Industrial Coatings: Imparts durable coloration in automotive, coil, and powder coatings where weather resistance is critical.
• Inks: Suitable for specialty printing inks, including packaging and security inks, that demand color consistency and stability.
• Synthetic Fibers: Employed in the mass coloration of fibers like polyester and nylon during polymer synthesis.
• Research & Development: Serves as a valuable building block in chemical research for developing new chromophores and functional dyes.

Basic Information

Product Name	4,4'-Bis[Acetoaceto(2-Methoxy-5-Chloroanilid)-2-Ylazo]-3,3'-Dichlorobiphenyl
CAS No.	76233-80-2
Molecular Formula	C40H30Cl4N6O6
Molecular Weight	840.52 g/mol
Synonyms	Pigment Yellow 181; C.I. 11777; 4,4'-Bis(acetoacetylamino-2-methoxy-5-chlorobenzene-azo)-3,3'-dichlorobiphenyl; 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2-methoxy-5-chlorophenyl)-3-oxobutanamide]; Azo Pigment Intermediate Y181; Bisazo Acetoacetamide Yellow; Clariant Yellow H4G; Hostaperm Yellow H4G
EINECS	Contact for details

Quality Control

Our production of 4,4'-Bis[Acetoaceto(2-Methoxy-5-Chloroanilid)-2-Ylazo]-3,3'-Dichlorobiphenyl adheres to a strict quality management system. Every batch undergoes rigorous analytical testing including HPLC, IR, and elemental analysis to ensure chemical identity, purity, and consistency meet defined specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request 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 heat sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Ash Content	≤ 0.5%
Chlorine Content	Conforms to theoretical value
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Practically insoluble in water

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