Description

Disodium 3-[[Ethyl[4-[[4-[(3-Sulphonatophenyl)Azo]-1-Naphthyl]Azo]Phenyl]Amino]Methyl]Benzenesulphonate is a high-purity, water-soluble azo dye intermediate known for its excellent chromophore properties and stability. This compound is critical for manufacturers requiring precise color development and consistent batch-to-batch performance in demanding applications. It is primarily utilized by producers of specialty dyes, pigments, and colorants for textiles, inks, and advanced materials.

Application

• Key intermediate in the synthesis of high-performance azo dyes and pigments for textile coloration.
• Used in the manufacturing of colorants for inks, including those for packaging and industrial printing.
• Employed in research and development of novel functional dyes for optical and electronic applications.
• Serves as a precursor for dyes used in the leather tanning and finishing industry.
• Potential use in the formulation of specialized paper dyes and coatings.
• Acts as a chemical building block for liquid crystal displays (LCD) and other advanced material color filters.

Basic Information

Product Name	Disodium 3-[[Ethyl[4-[[4-[(3-Sulphonatophenyl)Azo]-1-Naphthyl]Azo]Phenyl]Amino]Methyl]Benzenesulphonate
CAS No.	70210-06-9
Molecular Formula	C37H30N6Na2O7S2
Molecular Weight	780.77 g/mol
Synonyms	Acid Black 210; C.I. 28440; Disodium 3-((ethyl((4-((4-((3-sulfophenyl)azo)-1-naphthyl)azo)phenyl)amino)methyl)benzenesulfonate; Benzenesulfonic acid, 3-[[ethyl[4-[[4-[(3-sulfophenyl)azo]-1-naphthalenyl]azo]phenyl]amino]methyl]-, disodium salt; 3-((Ethyl((4-((4-((3-sulfophenyl)azo)-1-naphthyl)azo)phenyl)amino)methyl)benzenesulfonic acid disodium salt; Azo dye intermediate 70210-06-9; C.I. Acid Black 210
EINECS	Contact for details

Quality Control

Our production of Disodium 3-[[Ethyl[4-[[4-[(3-Sulphonatophenyl)Azo]-1-Naphthyl]Azo]Phenyl]Amino]Methyl]Benzenesulphonate adheres to stringent quality management protocols to ensure high purity and consistency for industrial applications. Every batch is analyzed to confirm identity, strength, and the absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and specific tests is provided with each shipment to guarantee it meets your technical specifications.

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 such as strong oxidizing agents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain 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.