Description

Disodium 5-[[4-[Ethyl[(3-Sulphonatophenyl)Methyl]Amino]Phenyl]Azo]-8-(Phenylazo)Naphthalene-2-Sulphonate is a high-purity, water-soluble azo dye intermediate of significant commercial importance. This compound is valued for its ability to impart a strong, stable color and is a critical precursor in the synthesis of specialized dyes and pigments. It is primarily needed by manufacturers in the textile, ink, and specialty chemical industries seeking to produce high-performance colorants.

Application

• Primary intermediate for the synthesis of azo dyes and pigments used in textile coloration.
• Key component in manufacturing inks for various printing applications, including packaging and publications.
• Used in the production of colorants for plastics and polymer masterbatches.
• Research and development of novel functional dyes for non-textile applications.
• Potential use in the formulation of specialized coatings and paints requiring specific chromatic properties.
• As a standard or reference material in analytical chemistry and quality control laboratories.

Basic Information

Product Name	Disodium 5-[[4-[Ethyl[(3-Sulphonatophenyl)Methyl]Amino]Phenyl]Azo]-8-(Phenylazo)Naphthalene-2-Sulphonate
CAS No.	62133-79-3
Molecular Formula	C33H28N5Na2O7S2
Molecular Weight	708.70 g/mol
Synonyms	Acid Black 210; C.I. 300310; Disodium 5-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]azo]-8-(phenylazo)naphthalene-2-sulfonate; 5-[[4-[Ethyl[(3-sulfophenyl)methyl]amino]phenyl]azo]-8-(phenylazo)-2-naphthalenesulfonic acid disodium salt; Azoic Diazo Component 48; Dye Intermediate 62133-79-3
EINECS	Contact for details

Quality Control

Our Disodium 5-[[4-[Ethyl[(3-Sulphonatophenyl)Methyl]Amino]Phenyl]Azo]-8-(Phenylazo)Naphthalene-2-Sulphonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to guarantee traceability and quality assurance for our global B2B clients.

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). Keep away from incompatible materials and sources of ignition. For long-term storage, maintain under inert conditions to preserve product integrity.

Specification

Item	Specification
Appearance	Dark brown to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Sulfated Ash	≤ 20.0%
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.