Description

Benzenesulfonic Acid, 5-Amino-2-(Phenylamino)-, Diazotized, Coupled With 5,5'-[(5-Hydroxy-1,3-Phenylene)Bis(Oxy)]Bis[1,3-Benzenediol], Sodium Salts is a complex, high-purity synthetic dye intermediate and colorant. This compound is valued for its ability to impart a specific, stable color profile in demanding industrial applications. It is primarily required by manufacturers in the textile, leather, paper, and specialty ink sectors seeking consistent and reliable dye performance.

Application

• Primary Dye Intermediate: A key precursor in the synthesis of azo dyes for textile fibers (cotton, wool, nylon).
• Leather Coloring Agent: Used in the dyeing and finishing processes for leather goods to achieve deep, uniform shades.
• Paper Industry Colorant: Imparts color to specialty papers, including decorative and packaging materials.
• Ink Manufacturing: A component in the formulation of specialty inks for various printing applications.
• Research & Development: Serves as a reference standard and building block in chemical research for novel colorants.

Basic Information

Product Name	Benzenesulfonic Acid, 5-Amino-2-(Phenylamino)-, Diazotized, Coupled With 5,5'-[(5-Hydroxy-1,3-Phenylene)Bis(Oxy)]Bis[1,3-Benzenediol], Sodium Salts
CAS No.	97952-76-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	5-Amino-2-(phenylamino)benzenesulfonic acid, diazotized, coupled with 5,5'-[(5-hydroxy-1,3-phenylene)bis(oxy)]bis[1,3-benzenediol], sodium salts; C.I. Mordant Black 17; Mordant Black 17; Sodium 5-amino-2-(phenylamino)benzenesulfonate diazo compound with 5,5'-(5-hydroxy-1,3-phenylenedioxy)di(1,3-benzenediol); Acid Mordant Black PV; Chromogen Black PV; Azo Mordant Dye Intermediate.
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Quality is verified through advanced analytical techniques including HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and relevant specifications is provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. The container must be kept tightly closed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Dark brown to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 5.0%
Ash Content	Contact for details
Heavy Metals (as Pb)	Max. 20 ppm

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