Description

2,2'-[(3,3'-Dimethyl[1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis[3-Oxo-n-Phenylbutyramide] is a high-purity, synthetic organic compound belonging to the bis-azo dye class, characterized by its complex molecular structure. This compound is valued for its excellent colorant properties and stability, making it a critical intermediate in the production of specialized pigments and dyes. It is primarily sought after by manufacturers in the pigments, advanced polymers, and specialty chemical synthesis industries for applications requiring precise color performance and chemical compatibility.

Application

• High-Performance Pigments: A key intermediate for synthesizing high-quality, heat-stable organic pigments used in plastics, coatings, and inks.
• Specialty Dyes for Polymers: Used in the coloration of engineering plastics, synthetic fibers, and resins where color fastness is critical.
• Advanced Material Research: Serves as a functional monomer or chromophore in the development of novel optical materials and photonic devices.
• Liquid Crystal Displays (LCDs): Potential application as a dichroic dye or color filter component in display technologies.
• Analytical Chemistry: Can be utilized as a reagent or standard in chromatographic analysis and spectroscopic studies.
• Non-linear Optical Materials: Investigated for use in materials science due to its conjugated azo-based structure.

Basic Information

Product Name	2,2'-[(3,3'-Dimethyl[1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis[3-Oxo-n-Phenylbutyramide]
CAS No.	6358-88-9
Molecular Formula	C42H36N6O4
Molecular Weight	688.78 g/mol
Synonyms	Pigment Yellow 155; C.I. 200310; 2,2'-[(3,3'-Dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenylbutanamide]; 3-Oxo-N-phenyl-2-[[4'-[2-(3-oxo-3-phenylpropanoyl)hydrazinyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]butanamide; Butanamide, 2,2'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenyl-; C.I. Pigment Yellow 155; PY 155; Bis-azo yellow pigment intermediate.
EINECS	228-782-5

Quality Control

Our production of 2,2'-[(3,3'-Dimethyl[1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis[3-Oxo-n-Phenylbutyramide] adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity, spectrophotometry for color value, and residue analysis, to ensure it meets exacting industry and customer-specific specifications. A detailed Certificate of Analysis (COA) documenting identity, purity, and key physical parameters is provided with each shipment to guarantee traceability and consistent performance.

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. For long-term storage, consider an inert atmosphere to preserve product integrity.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Ash Content	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solvent Residue (GC)	Meet ICH Guidelines

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