Description

7-[(3-Aminobenzoyl)Amino]-3-[[2,5-Dimethoxy-4-[[7-Sulfo-4-[(3-Sulfophenyl)Azo]-1-Naphthalenyl]Azo]Phenyl]Azo]-4-Hydroxy-2-Naphthalenesulfonic Acid Trisodium Salt is a high-purity, water-soluble azo dye intermediate of significant commercial importance. This compound is valued for its ability to impart strong, vibrant colors and its excellent binding properties in various substrates. It is primarily required by manufacturers in the textile, ink, and specialty coatings industries seeking reliable and consistent colorant precursors for their production processes.

Application

This specialized azo dye intermediate serves as a critical building block in the synthesis of high-performance colorants. Its primary and related applications include:

• Textile Dyeing: As a key precursor for producing reactive and direct dyes for cotton, wool, and nylon fibers.
• Ink Manufacturing: Used in the formulation of inks for digital printing, packaging, and security applications.
• Industrial Coatings: Employed in creating pigments for paints, plastics, and other polymer colorations.
• Biological Staining: Potential use in the development of histological stains for laboratory and diagnostic purposes.
• Research & Development: Serves as a standard or starting material in chemical research for novel dye and pigment synthesis.

Basic Information

Item	Detail
Product Name	7-[(3-Aminobenzoyl)Amino]-3-[[2,5-Dimethoxy-4-[[7-Sulfo-4-[(3-Sulfophenyl)Azo]-1-Naphthalenyl]Azo]Phenyl]Azo]-4-Hydroxy-2-Naphthalenesulfonic Acid Trisodium Salt
CAS No.	68259-03-0
Molecular Formula	C41H28N7Na3O14S3
Molecular Weight	1016.85 g/mol
Synonyms	Trisodium 7-[(3-aminobenzoyl)amino]-3-[[2,5-dimethoxy-4-[(7-sulfo-4-[(3-sulfophenyl)azo]naphthalen-1-yl)azo]phenyl]azo]-4-hydroxynaphthalene-2-sulfonate; C.I. Acid Black 210; Acid Black 210; Azo Black 210; Reactive Black precursor; 68259-03-0; Black 210 Dye Intermediate
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and purity for industrial applications. Quality is verified through advanced analytical techniques including HPLC and spectrophotometry. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Freely soluble

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