Description

m-[[4-[[4-[(2-Cyanoethyl)Ethylamino]-o-Tolyl]Azo]-1-Naphthyl]Azo]Benzenesulphonic Acid is a specialized synthetic azo dye intermediate, valued for its precise molecular structure that imparts specific color and binding properties. This compound is critical for manufacturers requiring high-purity, functional intermediates to produce advanced dyes and pigments with consistent performance. It is primarily utilized by the textile, ink, and specialty chemical industries for applications demanding stable and vibrant coloration.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key building block in the synthesis of high-performance dyes for textiles, leather, and paper.
• Specialty Ink Formulations: Used in the production of inks for packaging, security printing, and digital applications where color fastness is paramount.
• Functional Colorant for Polymers: Incorporated into plastics and synthetic fibers to provide durable, non-migrating coloration.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying azo coupling reactions.
• Analytical Chemistry Reagent: Can be used as a standard or reagent in chromatographic analysis and method development for dye-related compounds.

Basic Information

Product Name	m-[[4-[[4-[(2-Cyanoethyl)Ethylamino]-o-Tolyl]Azo]-1-Naphthyl]Azo]Benzenesulphonic Acid
CAS No.	27452-68-2
Molecular Formula	C28H26N6O3S
Molecular Weight	526.61 g/mol
Synonyms	Benzenesulfonic acid, m-[[4-[[4-[(2-cyanoethyl)ethylamino]-2-methylphenyl]azo]-1-naphthalenyl]azo]-; 3-[[4-[[4-[(2-Cyanoethyl)ethylamino]-2-methylphenyl]azo]-1-naphthyl]azo]benzenesulphonic acid; Azo dye intermediate 27452-68-2; CI 26050 (related class); Disperse dye intermediate; Acid azo dye precursor; 2-Methyl-4-[(2-cyanoethyl)ethylamino]azobenzene-4'-azobenzene-3-sulfonic acid
EINECS	Contact for details

Quality Control

Our production of m-[[4-[[4-[(2-Cyanoethyl)Ethylamino]-o-Tolyl]Azo]-1-Naphthyl]Azo]Benzenesulphonic Acid adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency meet exacting customer specifications. Certificates of Analysis (COA) documenting key parameters are available upon request, providing full traceability and supporting compliance in regulated supply chains.

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 sealed to prevent absorption of atmospheric moisture, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark colored powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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