Description

Sodium 4-[4-[[3-Methyl-4-[[(p-Tolyl)Sulphonyl]Oxy]Phenyl]Azo]Anilino]Benzenesulphonate is a specialized anionic azo compound valued for its precise chromophoric properties and stability. This chemical is engineered to deliver consistent colorant performance and functional characteristics in demanding industrial formulations. It is primarily sought after by manufacturers in the textile, ink, and specialty polymer industries where reliable dye intermediates and functional additives are critical.

Application

• Textile Dye Intermediate: A key precursor in the synthesis of specific azo dyes for coloring synthetic and natural fibers.
• Functional Colorant for Inks: Used in the formulation of industrial and specialty printing inks requiring light and chemical stability.
• Polymer Additive: Imparts specific functional properties or acts as a marker in specialty polymer and plastic production.
• Research & Development: Serves as a high-purity building block in chemical research for developing new chromophores and functional materials.
• Analytical Reagent: Potential use as a standard or reagent in analytical chemistry methodologies.

Basic Information

Product Name	Sodium 4-[4-[[3-Methyl-4-[[(p-Tolyl)Sulphonyl]Oxy]Phenyl]Azo]Anilino]Benzenesulphonate
CAS No.	82457-23-6
Molecular Formula	C26H22N3NaO6S2
Molecular Weight	559.59 g/mol
Synonyms	Sodium 4-[(4-{[3-Methyl-4-[(4-methylphenyl)sulfonyl]oxy]phenyl}diazenyl)phenylamino]benzenesulfonate; Benzenesulfonic acid, 4-[[4-[[3-methyl-4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]phenyl]amino]-, sodium salt; Azo dye intermediate 82457-23-6; p-Toluenesulfonate azo dye sodium salt; Sodium anilino benzenesulphonate azo derivative
EINECS	Contact for details

Quality Control

Our production of Sodium 4-[4-[[3-Methyl-4-[[(p-Tolyl)Sulphonyl]Oxy]Phenyl]Azo]Anilino]Benzenesulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet exacting customer requirements. 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 controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Residue on Ignition (Sulfated Ash)	Contact for details
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.