Description

Sodium 3-[[Ethyl[4-[[4-(Phenylazo)Phenyl]Azo]Phenyl]Amino]Methyl]Benzenesulphonate is a high-purity, synthetic azo dye intermediate of significant industrial importance. Its value lies in its role as a key precursor for producing vibrant and stable colorants used in various demanding applications. This compound is essential for manufacturers in the textile, ink, and specialty polymer industries who require consistent quality and reliable supply chains for their production processes.

Application

• Textile Dye Intermediate: A critical precursor for synthesizing high-performance azo dyes used in coloring natural and synthetic fibers.
• Inkjet and Printing Ink Formulation: Used in the manufacture of pigments for industrial inks, providing excellent color strength and stability.
• Plastic and Polymer Coloring: Serves as an intermediate for colorants used in the mass coloration of plastics and synthetic polymers.
• Research & Development: Employed in chemical research for the synthesis of novel chromophores and functional dyes.
• Specialty Coatings: Used in the development of colored coatings and finishes where specific lightfastness properties are required.

Basic Information

Product Name	Sodium 3-[[Ethyl[4-[[4-(Phenylazo)Phenyl]Azo]Phenyl]Amino]Methyl]Benzenesulphonate
CAS No.	67875-27-8
Molecular Formula	C28H25N5NaO3S
Molecular Weight	534.59 g/mol
Synonyms	Benzenesulfonic acid, 3-[[ethyl[4-[[4-(phenylazo)phenyl]azo]phenyl]amino]methyl]-, sodium salt; Sodium 3-((ethyl(4-((4-(phenylazo)phenyl)azo)phenyl)amino)methyl)benzenesulfonate; Azo dye intermediate 67875-27-8; C.I. Disperse Yellow 201 (related); 3-[[Ethyl[4-[[4-(Phenylazo)phenyl]azo]phenyl]amino]methyl]benzenesulphonic acid sodium salt
EINECS	Contact for details

Quality Control

Our production of Sodium 3-[[Ethyl[4-[[4-(Phenylazo)Phenyl]Azo]Phenyl]Amino]Methyl]Benzenesulphonate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics to guarantee consistency and reliability for your industrial processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient 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	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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