Description

4-amino-5-hydroxy-6-[[4-[[4-[[2-hydroxy-4-[(o-tolyl)amino]phenyl]azo]phenyl]amino]-3-sulphophenyl]azo]-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonic acid, sodium salt is a high-purity, complex azo dye intermediate of significant industrial importance. This compound is valued for its ability to impart specific, stable color properties in advanced dye and pigment synthesis. It is primarily required by manufacturers in the textile, ink, and specialty coatings industries seeking to produce high-performance colorants with excellent fastness properties.

Application

• Primary Intermediate for High-Performance Dyes: Synthesis of complex azo dyes for textiles, leather, and paper requiring excellent light and wash fastness.
• Pigment Manufacturing: Used in the production of high-grade organic pigments for industrial inks and coatings.
• Specialty Colorants: Key component in creating specific, vibrant shades for niche applications in plastics and synthetic fibers.
• Research & Development: Serves as a crucial building block in chemical R&D for developing new chromophores and functional dyes.
• Analytical Reagents: Potential use as a staining agent or indicator in specialized analytical chemistry applications.

Basic Information

Item	Detail
Product Name	4-amino-5-hydroxy-6-[[4-[[4-[[2-hydroxy-4-[(o-tolyl)amino]phenyl]azo]phenyl]amino]-3-sulphophenyl]azo]-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonic acid, sodium salt
CAS No.	94200-88-1
Molecular Formula	C45H30N10O13S3Na2 (or related sodium salt form)
Molecular Weight	Contact for details
Synonyms	Acid Black 210; C.I. 300310; Sodium 4-amino-5-hydroxy-6-[[4-[[4-[[2-hydroxy-4-[(2-methylphenyl)amino]phenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulfonate; Azo Black Dye Intermediate; 4-Amino-5-hydroxy-6-({4-[(4-{[2-hydroxy-4-[(2-methylphenyl)amino]phenyl]diazenyl}phenyl)amino]-3-sulfophenyl}diazenyl)-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonic acid disodium salt; 94200-88-1; CAS 94200-88-1
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and purity. Quality is verified through analytical techniques including HPLC, UV-Vis spectroscopy, and titration methods. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each 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). This material is light-sensitive (store away from light) and hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Solubility	Soluble in water, alkaline solutions
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.