Description

Disodium 4,4'-[(4,6-Diamino-1,3-Phenylene)Bis(Azo)]Bis[Benzenesulphonate] is a high-purity, water-soluble diazo compound characterized by its distinct chemical structure. This product is valued for its role as a critical intermediate in the synthesis of specialized dyes and pigments, offering excellent chromophoric properties. It is primarily utilized by manufacturers in the colorant, textile, and specialty chemical industries seeking consistent quality for advanced material development.

Application

• Dye and Pigment Intermediate: A key precursor for the synthesis of high-performance azo dyes and pigments, particularly for textiles, inks, and coatings.
• Textile Colorants: Used in the manufacturing of dyes for coloring natural and synthetic fibers, providing vibrant and durable shades.
• Specialty Chemical Synthesis: Serves as a versatile building block in organic synthesis for creating complex molecules with specific functional properties.
• Research & Development: Employed in academic and industrial R&D labs for developing new chromophores and studying azo chemistry.
• Analytical Reagent: Potential use as a standard or reagent in analytical chemistry for method development and calibration.

Basic Information

Product Name	Disodium 4,4'-[(4,6-Diamino-1,3-Phenylene)Bis(Azo)]Bis[Benzenesulphonate]
CAS No.	16386-21-3
Molecular Formula	C18H14N6Na2O6S2
Molecular Weight	528.44 g/mol
Synonyms	Direct Black 22 (diazo component); 4,4'-[(4,6-Diamino-1,3-phenylene)bis(azo)]bis[benzenesulfonic acid] disodium salt; C.I. 35435; Disodium 4,4'-(4,6-diamino-m-phenylene)bis(azo)dibenzenesulfonate; 1,3-Benzenediamine, 4,4'-(1,3-phenylenebis(azo))bis[benzenesulfonic acid] disodium salt; Azoic Diazo Component 48; Diazol Black 2S
EINECS	Contact for details

Quality Control

Our Disodium 4,4'-[(4,6-Diamino-1,3-Phenylene)Bis(Azo)]Bis[Benzenesulphonate] is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for use as a high-grade chemical intermediate. Certificates of Analysis (COA) documenting batch-specific results are available upon request.

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. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Dark brown to black powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Solubility	Soluble in water

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