Description

Copper, 2-(2-chloroethyl)sulfonyl-5-(phenylhydrazono)methyl-3-sulfobenzoic acid-diazotized 3-amino-4-hydroxy-5-2-2-(sulfooxy)ethylsulfonylethylaminocarbonylaminobenzenesulfonic acid coupling products sodium complexes is a sophisticated, water-soluble metal complex dye intermediate. This compound matters for its role in producing high-performance, complex colorants with excellent fastness properties for demanding industrial applications. It is primarily needed by manufacturers in the textile dyeing and specialty pigments industries seeking to develop vibrant and durable colors.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-grade copper complex reactive dyes for cellulose fibers like cotton and viscose.
• Textile Coloration: Used in the production of dyes that offer superior wash, light, and perspiration fastness on textiles.
• Specialty Pigment Manufacturing: Serves as a precursor for creating complex organic pigments used in inks, coatings, and plastics.
• Leather Dyeing: Employed in the formulation of dyes for leather, providing deep, penetrating shades with good durability.
• Paper Dyeing: Suitable for the coloration of specialty papers where color stability is required.
• Research & Development: Used in chemical R&D for developing new chromophores and studying metal-dye interactions.

Basic Information

Product Name	Copper, 2-(2-chloroethyl)sulfonyl-5-(phenylhydrazono)methyl-3-sulfobenzoic acid-diazotized 3-amino-4-hydroxy-5-2-2-(sulfooxy)ethylsulfonylethylaminocarbonylaminobenzenesulfonic acid coupling products sodium complexes
CAS No.	152261-41-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Copper complex of diazotized 3-amino-4-hydroxy-5-[2-[2-(sulfooxy)ethylsulfonyl]ethylcarbamoyl]benzenesulfonic acid coupled with 2-[(2-chloroethyl)sulfonyl]-5-[(phenylhydrazono)methyl]benzenesulfonic acid, sodium salt; C.I. Reactive Blue 222; Reactive Blue 222; Blue 222; Copper complex reactive dye intermediate; Sodium (sulfooxy)ethylsulfonylethylaminocarbonylaminobenzenesulfonate copper complex
EINECS	Contact for details

Quality Control

Our Copper, 2-(2-chloroethyl)sulfonyl-5-(phenylhydrazono)methyl-3-sulfobenzoic acid-diazotized 3-amino-4-hydroxy-5-2-2-(sulfooxy)ethylsulfonylethylaminocarbonylaminobenzenesulfonic acid coupling products sodium complexes are manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and performance for dye synthesis. Certificates of Analysis (COA) detailing key parameters such as assay, metal content, and impurity profile are available upon request 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 product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed after opening to minimize exposure to atmospheric moisture and light, which can affect product stability.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 90%
Copper (Cu) Content	To be specified on COA
Sodium (Na) Content	To be specified on COA
Water Content	Max. 5.0%
Solubility (in Water)	Freely soluble

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