Description

N,N'-(3,3'-Dimethyl[1,1'-Biphenyl]-4,4'-Diyl)Bis[2-[(5-Chloro-o-Tolyl)Azo]-3-Oxobutyramide] is a specialized high-performance organic pigment and dye intermediate, valued for its excellent color strength and stability. This compound is critical for producing vivid, durable colors in demanding industrial applications where lightfastness and chemical resistance are paramount. It is primarily required by manufacturers in the pigments, advanced polymers, and specialty coatings industries seeking to enhance product performance.

Application

• High-Performance Pigments: A key chromophore for producing organic pigments with superior color properties.
• Industrial Coatings: Used in the formulation of durable coatings for automotive, aerospace, and industrial equipment.
• Specialty Polymers and Plastics: Imparts color to engineering plastics and high-grade synthetic fibers.
• Printing Inks: Employed in high-quality inks for packaging and security printing applications.
• Advanced Material Research: Serves as a functional intermediate in the development of new dyes and optical materials.

Basic Information

Product Name	N,N'-(3,3'-Dimethyl[1,1'-Biphenyl]-4,4'-Diyl)Bis[2-[(5-Chloro-o-Tolyl)Azo]-3-Oxobutyramide]
CAS No.	5905-17-9
Molecular Formula	C44H38Cl2N6O4
Molecular Weight	785.72 g/mol
Synonyms	Pigment Yellow 155; C.I. 200310; 3,3'-Dimethyl-4,4'-biphenylylenebis[2-(5-chloro-2-methylphenyl)azo-3-oxobutyramide]; 5905-17-9; N,N'-(3,3'-Dimethyl-4,4'-biphenylylene)bis[2-[(5-chloro-2-methylphenyl)azo]-3-oxobutyramide]; 2,2'-[(3,3'-Dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[imino(1-oxo-2,1-ethanediyl)azo]]bis[5-chlorotoluene]; Bisazo Pigment Intermediate
EINECS	227-598-1

Quality Control

Our production of N,N'-(3,3'-Dimethyl[1,1'-Biphenyl]-4,4'-Diyl)Bis[2-[(5-Chloro-o-Tolyl)Azo]-3-Oxobutyramide] adheres to stringent quality management systems to ensure batch-to-batch consistency and high purity. All materials undergo rigorous analytical testing, including HPLC for assay and impurity profiling. Certificates of Analysis (COA) documenting identity, purity, and physical specifications are 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, well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Specific Impurities (HPLC)	Individual ≤ 0.5%, Total ≤ 1.5%

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