Description

2-[4-[[4-[[(p-Tolyl)Sulphonyl]Oxy]-m-Tolyl]Azo]Anilino]-5-Nitrobenzenesulphonic Acid is a specialized organic intermediate and azo dye precursor of significant commercial importance. This compound is valued for its role in synthesizing high-performance colorants and functional materials, offering precise chemical reactivity for advanced manufacturing processes. It is primarily utilized by research institutions and industrial manufacturers in the dyes and pigments, specialty chemicals, and advanced materials sectors.

Application

• Primary Intermediate for Azo Dyes and Pigments: Serves as a key building block in the synthesis of complex, high-value azo dyes used in textiles, inks, and coatings.
• Specialty Chemical Synthesis: Used in research and development for creating novel functional molecules with specific optical or electronic properties.
• Laboratory Reagent: Employed as a standard or reagent in analytical chemistry and photochemical studies.
• Material Science Research: Investigated for potential applications in creating light-sensitive or color-changing advanced materials.

Basic Information

Product Name	2-[4-[[4-[[(p-Tolyl)Sulphonyl]Oxy]-m-Tolyl]Azo]Anilino]-5-Nitrobenzenesulphonic Acid
CAS No.	93892-25-2
Molecular Formula	C26H22N4O8S2
Molecular Weight	582.61 g/mol
Synonyms	Benzenesulfonic acid, 2-[4-[[4-[[(4-methylphenyl)sulfonyl]oxy]-3-methylphenyl]azo]phenyl]amino]-5-nitro-; 5-Nitro-2-[[4-[[4-[(4-tolylsulfonyl)oxy]-3-tolyl]azo]phenyl]amino]benzenesulfonic acid; 93892-25-2; Azo dye intermediate SR-3; Light-sensitive azo sulfonic acid derivative.
EINECS	Contact for details

Quality Control

Our production of 2-[4-[[4-[[(p-Tolyl)Sulphonyl]Oxy]-m-Tolyl]Azo]Anilino]-5-Nitrobenzenesulphonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet exacting standards. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, impurity profile, and physical characteristics.

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, open flames, 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	Yellow to orange-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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