Description

4-[[4-[[[(5-Hydroxy-7-Sulfo-2-Naphthalenyl)Amino]Carbonyl]Amino]-5-Methoxy-2-Methylphenyl]Azo]-6-[(Phenylsulfonyl)Oxy]-2,7-Naphthalenedisulfonic Acid is a high-purity, polyfunctional azo dye intermediate characterized by multiple sulfonic acid groups, which impart excellent water solubility and reactivity. This compound is engineered for precision synthesis, offering consistent quality and performance critical for advanced manufacturing processes. It is primarily utilized by producers of specialized dyes, pigments, and high-value functional chemicals in the textile, ink, and advanced materials sectors.

Application

• Key intermediate for the synthesis of high-grade, water-soluble azo dyes and pigments.
• Production of specialized colorants for textile dyeing and printing processes.
• Manufacturing of functional dyes for inkjet inks and other digital printing applications.
• Precursor in the development of optical brighteners and light-sensitive materials.
• Research and development of novel chromophoric systems for analytical chemistry and sensors.
• Potential use in the synthesis of liquid crystal dyes and other advanced electronic materials.

Basic Information

Product Name	4-[[4-[[[(5-Hydroxy-7-Sulfo-2-Naphthalenyl)Amino]Carbonyl]Amino]-5-Methoxy-2-Methylphenyl]Azo]-6-[(Phenylsulfonyl)Oxy]-2,7-Naphthalenedisulfonic Acid
CAS No.	68015-59-8
Molecular Formula	C35H27N5O15S4
Molecular Weight	917.87 g/mol
Synonyms	Acid Black 210; C.I. 300310; 2,7-Naphthalenedisulfonic acid, 4-[[4-[[[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]carbonyl]amino]-5-methoxy-2-methylphenyl]azo]-6-[(phenylsulfonyl)oxy]-; 6-[(Benzenesulfonyl)oxy]-4-[2-[4-[[(5-hydroxy-7-sulfo-2-naphthyl)carbamoyl]amino]-5-methoxy-2-methylphenyl]diazenyl]naphthalene-2,7-disulfonic acid; Black 210; Azo Black 210 Intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems to ensure batch-to-batch consistency and purity. Every lot is analyzed using advanced techniques including HPLC and spectroscopic methods to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with each shipment to support your quality assurance protocols.

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). This material is hygroscopic (moisture-sensitive); ensure the container is kept sealed to prevent absorption of atmospheric moisture. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 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.