Description

Copper Phthalocyanine Disulfonic Acid is a water-soluble, sulfonated derivative of copper phthalocyanine, a renowned high-performance pigment and dye intermediate. This compound is valued for its intense color, excellent stability, and functional anionic groups that facilitate its use in aqueous systems and chemical synthesis. It serves as a critical intermediate for manufacturers in the dyes and pigments, specialty chemicals, and advanced materials sectors seeking to develop vibrant, durable colors or functionalized molecules.

Application

• Primary intermediate for the synthesis of direct dyes and reactive dyes used in textile coloring.
• Key starting material for producing phthalocyanine pigments with enhanced solubility and application properties.
• Used in the formulation of inks, including specialty and security inks, due to its color strength and stability.
• Functional component in the research and development of organic semiconductors and electronic materials.
• Potential use as a catalyst precursor or ligand in specialized chemical reactions.
• Employed in the creation of colorants for plastics and polymers where specific solubility is required.
• Research chemical for developing sensors and diagnostic agents based on phthalocyanine chemistry.

Basic Information

Product Name	Copper Phthalocyanine Disulfonic Acid
CAS No.	29188-28-1
Molecular Formula	C₃₂H₁₆CuN₈O₆S₂
Molecular Weight	744.15 g/mol
Synonyms	Copper Phthalocyanine-3,4',4'',4'''-Tetrasulfonic Acid; Phthalocyanine Copper(II) Disulfonic Acid; CuPc Disulfonic Acid; Copper Phthalocyanine Disulfonate; C.I. 74180:2; Direct Blue 86 Intermediate; Tetrasulfonated Copper Phthalocyanine (mixture); Sulfonated Copper Phthalocyanine
EINECS	Contact for details

Quality Control

Our Copper Phthalocyanine Disulfonic Acid is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity, color value, and sulfonation degree, meeting the exacting requirements of industrial dye and pigment synthesis. Certificates of Analysis (COA) documenting key parameters 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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to greenish-blue powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Sulfonation Degree	Contact for details
Moisture Content	≤ 5.0%
Ash Content	≤ 1.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm

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