Description

Sodium m-[(4-Amino-m-Tolyl)Azo]Benzenesulphonate is a specialized azo dye intermediate and organic chemical compound. This product is valued for its role as a key precursor in the synthesis of high-performance dyes and pigments, offering consistent reactivity and purity for demanding industrial processes. It is primarily required by manufacturers in the dye and pigment, textile, and specialty chemical industries for producing colorants with specific shade and fastness properties.

Application

• Primary intermediate for the synthesis of acid dyes and direct dyes.
• Key precursor in the manufacture of pigments for inks and coatings.
• Used in the production of colorants for textile dyeing and printing.
• Employed in research and development of novel organic dyes and functional materials.
• Potential use as a chemical reagent in analytical chemistry applications.
• Intermediate for specialty dyes used in paper and leather processing.

Basic Information

Product Name	Sodium m-[(4-Amino-m-Tolyl)Azo]Benzenesulphonate
CAS No.	68516-59-6
Molecular Formula	C19H15N4NaO3S
Molecular Weight	402.40 g/mol
Synonyms	Benzenesulfonic acid, m-[(4-amino-m-tolyl)azo]-, sodium salt; Sodium 3-[(4-amino-3-methylphenyl)azo]benzenesulfonate; 3-[(4-Amino-3-methylphenyl)azo]benzenesulfonic acid sodium salt; Azo dye intermediate 68516-59-6; m-[(4-Amino-m-tolyl)azo]benzenesulphonic acid sodium salt; Sodium salt of 3-[(4-amino-3-methylphenyl)azo]benzenesulfonic acid; C.I. Azoic Diazo Component (variant)
EINECS	Contact for details

Quality Control

Our Sodium m-[(4-Amino-m-Tolyl)Azo]Benzenesulphonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and spectroscopic identification, to ensure it meets precise specifications for use as a dye intermediate. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your production 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). Keep away from strong oxidizing agents and incompatible materials. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%
Solubility	Soluble in water

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