Description

6-Amino-5-[[4-(Benzoylamino)-2-[(p-Tolyl)Sulphonyl]Phenyl]Azo]-4-Hydroxynaphthalene-2-Sulphonic Acid is a high-purity, complex azo dye intermediate essential for synthesizing specialized colorants. Its value lies in its precise molecular structure, which imparts specific color and performance characteristics to the final dye product. This compound is primarily needed by manufacturers in the dye and pigment industry, particularly for producing high-performance dyes for textiles, inks, and specialty coatings.

Application

• Primary Intermediate for Azo Dyes: Serves as a critical building block in the synthesis of high-value, complex azo dyes.
• Textile Dye Manufacturing: Used to produce dyes for coloring natural and synthetic fibers, offering good wash and light fastness.
• Specialty Ink Production: A key component in formulating inks for packaging, security printing, and other demanding applications.
• Industrial Pigment Synthesis: Employed in the creation of pigments for plastics, paints, and coatings where specific color properties are required.
• Research & Development: Utilized in chemical R&D for developing novel chromophores and studying structure-color relationships.
• Fine Chemical Synthesis: Acts as a specialized intermediate in multi-step organic syntheses for advanced chemical products.

Basic Information

Product Name	6-Amino-5-[[4-(Benzoylamino)-2-[(p-Tolyl)Sulphonyl]Phenyl]Azo]-4-Hydroxynaphthalene-2-Sulphonic Acid
CAS No.	85650-66-4
Molecular Formula	C30H23N5O7S2
Molecular Weight	645.66 g/mol
Synonyms	6-Amino-5-{[4-(benzoylamino)-2-(4-methylphenyl)sulfonyl]phenyl}diazenyl-4-hydroxynaphthalene-2-sulfonic acid; Azo dye intermediate 85650-66-4; 4-Hydroxy-6-amino-5-{[4-(benzoylamino)-2-(tosyl)phenyl]azo}naphthalene-2-sulfonic acid; Benzenesulfonic acid, 2-[(4-aminobenzoyl)amino]-5-[(6-amino-4-hydroxy-2-sulfo-1-naphthalenyl)azo]-, 4-methyl-; 5-[[4-(Benzoylamino)-2-[(4-methylphenyl)sulfonyl]phenyl]azo]-6-amino-4-hydroxy-2-naphthalenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling. A Certificate of Analysis (COA) detailing identity, purity, and related substances is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark colored powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solubility	Soluble in alkaline aqueous solutions

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