Description

4,4'-[(3,3'-Dimethoxy[1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis[2,4-Dihydro-5-Methyl-2-(p-Tolyl)-3H-Pyrazol-3-One] is a high-purity, complex bis-azo pyrazolone derivative, serving as a critical specialized colorant and functional intermediate. Its precise molecular structure is engineered for demanding applications where color fastness, thermal stability, and specific chromophoric properties are paramount. This compound is essential for manufacturers in the advanced pigments, specialty dyes, and high-performance polymer industries seeking to develop superior products.

Application

• High-Performance Organic Pigments: A key chromophore for manufacturing high-grade, heat-stable azo pigments used in automotive coatings, industrial paints, and plastics.
• Specialty Dyes for Polymers: Used in the coloration of engineering plastics, synthetic fibers (e.g., polyester, nylon), and masterbatches requiring excellent dispersion and color strength.
• Functional Material Synthesis: Acts as a sophisticated intermediate in the synthesis of advanced materials, including liquid crystals and photoconductive polymers.
• Ink Formulations: Employed in specialty printing inks, such as those for security printing or high-durability packaging, where specific lightfastness is required.
• Research & Development: Serves as a standard or building block in chemical R&D for developing new colorants and studying azo compound chemistry.

Basic Information

Product Name	4,4'-[(3,3'-Dimethoxy[1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis[2,4-Dihydro-5-Methyl-2-(p-Tolyl)-3H-Pyrazol-3-One]
CAS No.	6883-91-6
Molecular Formula	C44H38N8O6
Molecular Weight	774.83 g/mol
Synonyms	Pigment Orange 34 (C.I. 21115); 3H-Pyrazol-3-one, 4,4'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(4-methylphenyl)]-; C.I. 21115; Bisazo Pyrazolone Orange; Dinitraniline Orange; Permanent Orange G; Vulcan Orange G; Light Fast Orange G
EINECS	Contact for details

Quality Control

Our production of this bis-azo compound adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Quality is verified through advanced analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles 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 heat sources and incompatible materials. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Orange to reddish-orange powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Ash Content	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Practically insoluble in water; soluble in specific organic solvents

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