Description

2-[[6-[[4-[[6-[(4-Amino-3-Methylbenzoyl)Amino]-1-Hydroxy-3-Sulfo-2-Naphthalenyl]Azo]-3-Methylbenzoyl]Amino]-1-Hydroxy-3-Sulfo-2-Naphthalenyl]Azo]Benzoic Acid is a high-purity, complex azo dye intermediate characterized by its multiple functional groups, including sulfonic acid and carboxylic acid moieties. This compound matters for its role as a critical precursor in synthesizing specialized, high-performance dyes and pigments, offering excellent color fastness and solubility properties. Industrial manufacturers and R&D laboratories in the textile, ink, and specialty chemical sectors require this precise intermediate to develop advanced coloring agents for demanding applications.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of high-value, polyazo direct and reactive dyes for textiles, especially cotton and cellulose fibers.
• Specialty Pigment Manufacturing: Used in the production of complex organic pigments for inks, coatings, and plastics where high color strength and stability are required.
• Research & Development: A vital compound for chemical R&D focused on developing new chromophores with specific light absorption and solubility profiles.
• Functional Dye Synthesis: Potential use in creating functional dyes for non-textile applications, such as sensitizers in dye-sensitized solar cells (DSSCs) or analytical reagents.

Basic Information

Product Name	2-[[6-[[4-[[6-[(4-Amino-3-Methylbenzoyl)Amino]-1-Hydroxy-3-Sulfo-2-Naphthalenyl]Azo]-3-Methylbenzoyl]Amino]-1-Hydroxy-3-Sulfo-2-Naphthalenyl]Azo]Benzoic Acid
CAS No.	789447-32-1
Molecular Formula	C43H30N6O11S2
Molecular Weight	870.86 g/mol
Synonyms	Benzoic acid, 2-[[6-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-3-methylbenzoyl]amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-; Complex Azo Dye Intermediate 789447-32-1; Trisazo dye intermediate; Acid Black 210 intermediate (related); Direct Black 19 intermediate (related); Polyazo dye precursor; 2-[(6-{[4-({6-[(4-Amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthyl}azo)-3-methylbenzoyl]amino}-1-hydroxy-3-sulfo-2-naphthyl)azo]benzoic acid; Light-sensitive azo compound
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to rigorous quality control protocols to ensure batch-to-batch consistency and high purity. Quality is verified through analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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). Keep away from strong acids and organic solvents. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Dark brown to black powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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