Description

4-[4-[[2-Methyl-4-[[(p-Tolyl)Sulphonyl]Oxy]Phenyl]Azo]Anilino]-3-Nitrobenzenesulphonic Acid is a specialized, high-purity organic intermediate of significant commercial importance. This compound serves as a critical building block in the synthesis of advanced colorants and functional materials, valued for its precise molecular structure and reactivity. It is primarily sought after by manufacturers in the dyes and pigments, specialty chemicals, and advanced material research sectors.

Application

• Primary Intermediate for Azo Dyes & Pigments: A key precursor in the synthesis of high-performance, complex azo dyes and organic pigments, particularly for applications requiring specific color fastness and stability.
• Specialty Chemical Synthesis: Used in the production of specialized chemical agents, including light-absorbing compounds and functional additives for niche industrial applications.
• Research & Development: Employed in academic and industrial R&D laboratories for developing novel chromophores, photoactive materials, and other advanced organic molecules.
• Functional Material Production: Can be utilized in the creation of materials for optoelectronics or as a model compound for studying structure-property relationships in conjugated systems.

Basic Information

Product Name	4-[4-[[2-Methyl-4-[[(p-Tolyl)Sulphonyl]Oxy]Phenyl]Azo]Anilino]-3-Nitrobenzenesulphonic Acid
CAS No.	52636-61-0
Molecular Formula	C26H22N4O8S2
Molecular Weight	582.61 g/mol
Synonyms	Benzenesulfonic acid, 4-[[4-[[2-methyl-4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]phenyl]amino]-3-nitro-; 3-Nitro-4-[(4-{[2-methyl-4-(4-methylphenylsulfonyloxy)phenyl]azo}phenyl)amino]benzenesulfonic acid; Azo dye intermediate 52636-61-0; 4-({4-[2-Methyl-4-(p-tolylsulfonyloxy)phenylazo]phenyl}amino)-3-nitrobenzenesulfonic acid; p-Toluenesulfonic acid 2-methyl-4-[(4-{[4-sulfo-2-nitrophenyl]amino}phenyl)azo]phenyl ester
EINECS	Contact for details

Quality Control

Our production of 4-[4-[[2-Methyl-4-[[(p-Tolyl)Sulphonyl]Oxy]Phenyl]Azo]Anilino]-3-Nitrobenzenesulphonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided to guarantee traceability and consistency for your manufacturing processes.

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 material is light-sensitive (store away from light) and hygroscopic (moisture-sensitive); ensure containers are kept sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% (Typical 97-99%)
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 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.