Description

m-[[4-[[4-[(2-Cyanoethyl)Ethylamino]Phenyl]Azo]-3-Methoxyphenyl]Azo]Benzenesulphonic Acid is a high-purity, synthetic azo dye intermediate essential for producing vibrant and stable colorants. Its value lies in its specific molecular structure, which allows for the creation of dyes with excellent color fastness and application properties. This compound is a critical raw material for manufacturers in the textile, ink, and specialty chemical industries seeking to develop high-performance dyes and pigments. The CAS number for this compound is 68227-58-7.

Application

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

• Textile Dye Synthesis: A key precursor for manufacturing acid dyes and reactive dyes used on nylon, silk, wool, and modified acrylic fibers.
• Inkjet and Printing Ink Formulation: Used in the production of colorants for high-quality inks, providing excellent hue and stability.
• Paper Coloring: Employed in the synthesis of dyes for specialty paper products requiring bright, uniform coloration.
• Leather Dye Production: Serves as an intermediate for dyes that impart deep, penetrating colors to leather goods.
• Research & Development: Utilized in chemical R&D for developing novel chromophores and studying structure-color relationships.
• Specialty Polymer Colorants: Incorporated into the synthesis of dyes for coloring plastics and synthetic polymers.

Basic Information

Product Name	m-[[4-[[4-[(2-Cyanoethyl)Ethylamino]Phenyl]Azo]-3-Methoxyphenyl]Azo]Benzenesulphonic Acid
CAS No.	68227-58-7
Molecular Formula	C24H24N6O4S
Molecular Weight	492.55 g/mol
Synonyms	3-[[4-[[4-[(2-Cyanoethyl)ethylamino]phenyl]azo]-3-methoxyphenyl]azo]benzenesulfonic acid; Acid Dye Intermediate 68227-58-7; m-(4-((4-((2-Cyanoethyl)ethylamino)phenyl)azo)-3-methoxyphenyl)azobenzenesulfonic Acid; Benzenesulfonic acid, 3-[[4-[[4-[(2-cyanoethyl)ethylamino]phenyl]azo]-3-methoxyphenyl]azo]-; Azo Dye Intermediate for Textiles; Reactive Dye Precursor
EINECS	Contact for details

Quality Control

Our production of m-[[4-[[4-[(2-Cyanoethyl)Ethylamino]Phenyl]Azo]-3-Methoxyphenyl]Azo]Benzenesulphonic Acid adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided as standard, ensuring full traceability and compliance with industry requirements for dye and pigment intermediates.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed when not in use to prevent degradation and absorption of atmospheric moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% (Typical 97-99%)
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solubility (Test)	Soluble in water, alkaline solutions; sparingly soluble in most organic solvents

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