Description

4,4'-Bis[[1-(2,4-Dimethoxyphenylamino)-1,3-Dioxobutan-2-Yl]Azo]-2,2'-Dichloro-1,1'-Biphenyl is a specialized, high-performance azo pigment intermediate known for its complex molecular structure and ability to impart specific color properties. This compound matters for its role in synthesizing advanced, high-value pigments that offer excellent lightfastness, thermal stability, and color purity. It is primarily needed by manufacturers in the pigments and dyes industry for producing high-grade industrial colorants used in plastics, coatings, and specialty inks.

Application

• High-Performance Organic Pigments: A key intermediate in the synthesis of complex azo pigments, particularly yellows, oranges, and reds.
• Plastics Coloring: Used to manufacture pigments for coloring engineering plastics, masterbatches, and synthetic fibers requiring high thermal stability.
• Industrial Coatings: Production of pigments for automotive, coil, and powder coatings where durability and weather resistance are critical.
• Specialty Inks: Formulation of high-quality inks for packaging, security printing, and other demanding applications.
• Research & Development: Serves as a valuable building block in chemical R&D for developing novel chromophores and functional dyes.

Basic Information

Item	Details
Product Name	4,4'-Bis[[1-(2,4-Dimethoxyphenylamino)-1,3-Dioxobutan-2-Yl]Azo]-2,2'-Dichloro-1,1'-Biphenyl
CAS No.	20139-67-7
Molecular Formula	C44H40Cl2N8O10
Molecular Weight	911.76 g/mol
Synonyms	Pigment Yellow 180 (Crude); CI 21290; 2,2'-Dichloro-4,4'-bis[(1-(2,4-dimethoxyphenylamino)-1,3-dioxobutan-2-yl)azo]-1,1'-biphenyl; 4,4'-Bis[1-(2,4-dimethoxyphenylamino)-1,3-dioxobutan-2-ylazo]-2,2'-dichlorobiphenyl; 2,2'-Dichloro-4,4'-bis[[1-(2,4-dimethoxyphenylamino)-1,3-dioxobutan-2-yl]azo]-1,1'-biphenyl; Azo Pigment Intermediate Y180; Biphenyl Azo Acetoacetarylide
EINECS	Contact for details

Quality Control

Our production of 4,4'-Bis[[1-(2,4-Dimethoxyphenylamino)-1,3-Dioxobutan-2-Yl]Azo]-2,2'-Dichloro-1,1'-Biphenyl adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed against rigorous in-house specifications, which typically include parameters for assay (HPLC), chromatographic purity, and heavy metal content. Certificates of Analysis (COA) detailing all test results are provided to guarantee supply reliability and technical compliance for your formulation 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 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 Standard
Assay (HPLC)	≥ 95.0%
Purity (HPLC, Area%)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition (Sulfated Ash)	≤ 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.