Description

Copper, [29H,31H-Phthalocyaninato(2-)-N29,N30,N31,N32]-, Sulfo [[4-[[2-(Sulfooxy)Ethyl]Sulfonyl]Phenyl]Amino]Sulfonyl Derivs., Sodium Salts is a water-soluble, sulfonated copper phthalocyanine derivative, representing a high-performance reactive dye intermediate. This compound is engineered for superior color strength, brightness, and excellent fastness properties in demanding applications. It is a critical raw material for manufacturers in the textile, ink, and specialty coatings industries seeking vibrant and durable blue to green colorants.

Application

• Reactive Dye Synthesis: Primary intermediate for manufacturing high-quality reactive dyes for cotton, viscose, and other cellulosic fibers.
• Textile Printing Inks: Used in the formulation of inks for digital and screen printing on textiles, offering brilliant shades and wash-fastness.
• Industrial and Leather Dyes: Imparts color to leather, paper, and other specialty materials requiring stable and intense coloration.
• Functional Pigments: Serves as a precursor for creating pigments used in plastics, coatings, and masterbatches.
• Research & Development: Utilized in chemical research for developing new chromophores and studying dye-polymer interactions.

Basic Information

Product Name	Copper, [29H,31H-Phthalocyaninato(2-)-N29,N30,N31,N32]-, Sulfo [[4-[[2-(Sulfooxy)Ethyl]Sulfonyl]Phenyl]Amino]Sulfonyl Derivs., Sodium Salts
CAS No.	97660-43-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Reactive Blue 21; Reactive Blue 21; Copper phthalocyanine sulfonamide derivative, sodium salt; Sulphonated copper phthalocyanine reactive dye; 97660-43-0; Phthalocyanine Blue BN reactive variant; Water-soluble copper phthalocyanine sulfonate
EINECS	Contact for details

Quality Control

Our production of this reactive dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and performance reliability. Quality is verified through parameters including color strength, solubility, and impurity profile analysis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and specific tests is provided with every shipment to support your quality assurance processes.

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); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect performance.

Specification

Item	Specification
Appearance	Blue to green powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 90% (Dye content)
Solubility in Water	Completely soluble
Moisture Content	Max. 5.0%
Ash Content	To be specified on COA

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