Description

Benzenesulfonic Acid, 4-Amino-, Diazotized, Coupled With m-Phenylenediamine is a specialized azo dye intermediate, a crucial building block for synthesizing high-performance colorants. Its value lies in its ability to form stable, complex chromophores with specific shades and properties upon further chemical processing. This product is essential for manufacturers in the dyes and pigments industry, particularly for producing colors used in textiles, inks, and specialty coatings where lightfastness and chemical resistance are paramount.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key precursor in the synthesis of complex, high-value azo dyes, especially for shades of black, blue, and brown.
• Textile Dye Manufacturing: Used to produce dyes for coloring natural and synthetic fibers, including cotton, wool, and polyamide, requiring good wash and light fastness.
• Inkjet and Printing Ink Formulation: A critical component in creating pigments for high-quality inks used in packaging, commercial printing, and digital textile printing.
• Specialty Coatings and Paints: Employed in the production of organic pigments for industrial coatings, automotive paints, and plastics coloration.
• Research & Development: Utilized in chemical R&D laboratories for developing novel chromophores and studying azo coupling reactions.
• Paper Coloring: Can be used in the synthesis of dyes for specialty paper products.

Basic Information

Item	Detail
Product Name	Benzenesulfonic Acid, 4-Amino-, Diazotized, Coupled With m-Phenylenediamine
CAS No.	94552-15-5
Molecular Formula	C18H16N6O3S
Molecular Weight	396.42 g/mol
Synonyms	4-Aminobenzenesulfonic acid diazo component, coupled with m-phenylenediamine; C.I. Azoic Coupling Component; Azoic diazo component 4; Diazotized 4-aminobenzenesulfonic acid-m-phenylenediamine coupled product; 4-Amino-benzenesulfonic acid, diazotized, coupled with 1,3-benzenediamine; Benzenesulfonic acid, 4-amino-, diazotized, coupled with 1,3-phenylenediamine; Azo dye intermediate 94552-15-5
EINECS	Contact for details

Quality Control

Every batch of our Benzenesulfonic Acid, 4-Amino-, Diazotized, Coupled With m-Phenylenediamine is produced and tested under a strict quality management system. We ensure the product meets high-purity standards suitable for industrial synthesis, with key parameters including assay (HPLC), impurity profile, and color strength consistency. A comprehensive Certificate of Analysis (COA) documenting all test results is provided with each shipment to guarantee traceability and compliance with your specifications.

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, strong acids, and strong bases. The compound may be moisture-sensitive; ensure the container is sealed after each use to prevent degradation.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture Content	Max. 2.0%
Ash Content	Max. 0.5%
Solubility	Soluble in alkaline water, partially soluble in organic solvents

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