Description

4,4'-Bis[[1-[[(2,4-Dimethylphenyl)Amino]Carbonyl]-2-Oxopropyl]Azo][1,1'-Biphenyl]-2,2'-Disulphonic Acid is a high-purity, specialized azo dye intermediate with a disulphonic acid backbone, offering excellent chromophore properties and water solubility. This compound is engineered for applications demanding precise color characteristics and chemical stability in challenging formulations. It is a critical raw material for manufacturers in the textile, ink, and specialty polymer industries who require consistent, high-performance pigments and dyes.

Application

• Textile Dyeing: As a key intermediate for synthesizing high-grade, wash-fast azo dyes for natural and synthetic fibers.
• Ink Manufacturing: Used in the production of pigments for industrial inks, including packaging and printing inks, where color strength and stability are paramount.
• Specialty Polymers: Acts as a functional monomer or colorant in the synthesis of colored engineering plastics and resins.
• Liquid Crystal Displays (LCDs): Potential application as a dichroic dye intermediate for color filters in display technologies.
• Analytical Chemistry: May serve as a reagent or standard in chromatographic analysis and research due to its distinct structure.
• Research & Development: Utilized in academic and industrial R&D for developing novel colored materials and studying azo compound chemistry.

Basic Information

Product Name	4,4'-Bis[[1-[[(2,4-Dimethylphenyl)Amino]Carbonyl]-2-Oxopropyl]Azo][1,1'-Biphenyl]-2,2'-Disulphonic Acid
CAS No.	78952-69-9
Molecular Formula	C44H42N8O10S2
Molecular Weight	907.0 g/mol
Synonyms	4,4'-Bis(1-((2,4-dimethylphenyl)carbamoyl)-2-oxopropyl)diazenyl)-[1,1'-biphenyl]-2,2'-disulfonic acid; C.I. Acid Yellow 219; Direct Yellow 142; Azo Dye Intermediate 78952-69-9; 4,4'-Bis(2-(2,4-dimethylphenyl)carbamoyl)-3-oxobutyl)diazenyl)biphenyl-2,2'-disulfonic acid; [1,1'-Biphenyl]-2,2'-disulfonic acid, 4,4'-bis[[1-[[(2,4-dimethylphenyl)amino]carbonyl]-2-oxopropyl]azo]-; 78952-69-9 (CAS)
EINECS	Contact for details

Quality Control

Our production of 4,4'-Bis[[1-[[(2,4-Dimethylphenyl)Amino]Carbonyl]-2-Oxopropyl]Azo][1,1'-Biphenyl]-2,2'-Disulphonic Acid adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee traceability and consistency.

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 the container tightly sealed when not in use to protect from moisture absorption and contamination.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (Water)	Soluble

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