Description

Benzenesulfonic Acid, 2,2'-(1,2-Ethenediyl)Bis[5-Nitro-, Reaction Products With 4-[(4-Aminophenyl)Azo]Benzenesulfonic Acid, Reduced, Oxidized, Sodium Salts is a complex, high-value specialty chemical belonging to the azo dye intermediate class. This product is critical for achieving specific color properties and performance characteristics in advanced dye and pigment formulations. It is primarily required by manufacturers in the textile, ink, and specialty coatings industries seeking consistent and reliable intermediates for high-performance applications.

Application

• Primary Intermediate for Azo Dyes and Pigments: Serves as a key building block in the synthesis of complex, high-performance azo colorants.
• Textile Dyeing and Printing: Used in the production of dyes for synthetic and natural fibers, offering good color fastness.
• Ink Manufacturing: Employed in the formulation of specialty inks, including those for packaging and security printing.
• Industrial Coatings and Paints: Contributes to the colorant system in coatings requiring specific durability and chemical resistance.
• Plastics and Polymer Coloring: Used as a colorant intermediate for masterbatches and compounded polymer resins.
• Research and Development: Serves as a valuable reagent in chemical R&D for developing new chromophores and functional materials.

Basic Information

Item	Detail
Product Name	Benzenesulfonic Acid, 2,2'-(1,2-Ethenediyl)Bis[5-Nitro-, Reaction Products With 4-[(4-Aminophenyl)Azo]Benzenesulfonic Acid, Reduced, Oxidized, Sodium Salts
CAS No.	90218-40-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Direct Yellow 106; Direct Yellow 106; Direct Fast Yellow GC; Direct Yellow GC; Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, reaction products with 4-[(4-aminophenyl)azo]benzenesulfonic acid, reduced, oxidized, sodium salts; Sodium salts of reduced and oxidized reaction products of 2,2'-(1,2-ethenediyl)bis[5-nitrobenzenesulfonic acid] and 4-[(4-aminophenyl)azo]benzenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of this specialty intermediate adheres to strict quality management systems to ensure batch-to-batch consistency and reliability. Quality is verified through a suite of analytical techniques including HPLC, spectrophotometry, and titration methods. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key impurity profiles is provided with every 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 room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Powder or Granules
Color	Yellow to Orange
Identification (IR)	Conforms
Assay (HPLC)	Min. 90%
Moisture Content	Max. 5.0%
Ash Content	Max. 20.0%
Water Solubility	Conforms

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