Description

4-[[Ethyl[4-[[2-Methoxy-4-[(2-Methoxyphenyl)Azo]-5-Methylphenyl]Azo]Phenyl]Amino]Methyl]Benzenesulfonic Acid Sodium Salt is a high-purity, water-soluble azo dye intermediate of significant commercial importance. Its value lies in its role as a critical precursor for synthesizing specific, high-performance dyes and pigments, particularly in applications requiring a stable, sulfonated structure for enhanced solubility and fastness. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to produce vivid, durable colors. The product, identified by CAS No. 68227-59-8, is supplied with rigorous quality control to ensure batch-to-batch consistency for demanding industrial processes.

Application

This specialized azo intermediate is designed for high-value synthesis applications. Its primary and derived uses include:

• Textile Dye Synthesis: A key building block for producing acid dyes and direct dyes used on nylon, silk, wool, and paper.
• Inkjet Ink Pigments: Used in the manufacture of colorants for high-quality digital printing inks, where solubility and color strength are critical.
• Liquid Dye Concentrates: Formulation of concentrated dye solutions for industrial coloring processes.
• Functional Dyes: Potential intermediate for dyes used in non-textile applications such as lasers, sensors, or biomedical staining.
• Research & Development: Serves as a precise chemical entity for organic synthesis research and new colorant development in academic and industrial labs.

Basic Information

Product Name	4-[[Ethyl[4-[[2-Methoxy-4-[(2-Methoxyphenyl)Azo]-5-Methylphenyl]Azo]Phenyl]Amino]Methyl]Benzenesulfonic Acid Sodium Salt
CAS No.	68227-59-8
Molecular Formula	C30H29N5O6SNa
Molecular Weight	610.64 g/mol
Synonyms	Sodium 4-[[ethyl[4-[[2-methoxy-4-[(2-methoxyphenyl)azo]-5-methylphenyl]azo]phenyl]amino]methyl]benzenesulfonate; Benzenesulfonic acid, 4-[[ethyl[4-[[2-methoxy-4-[(2-methoxyphenyl)azo]-5-methylphenyl]azo]phenyl]amino]methyl]-, sodium salt; C.I. Disperse Yellow 119 (related); Azo dye intermediate 68227-59-8; Sodium salt of a disazo dye sulfonic acid; 4-((Ethyl(4-((2-methoxy-4-((2-methoxyphenyl)diazenyl)-5-methylphenyl)diazenyl)phenyl)amino)methyl)benzenesulfonate
EINECS	Contact for details

Quality Control

Our production of 4-[[Ethyl[4-[[2-Methoxy-4-[(2-Methoxyphenyl)Azo]-5-Methylphenyl]Azo]Phenyl]Amino]Methyl]Benzenesulfonic Acid Sodium Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and consistent performance in downstream synthesis. Certificates of Analysis (COA) documenting all critical parameters are provided as standard, ensuring full traceability and compliance with your quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product performance and handling.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% (Typical 97-99%)
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Freely soluble

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