Description

Copper Phthalocyanine Tetrasulfonic Acid Tetrasodium Salt is a highly water-soluble derivative of copper phthalocyanine, a renowned and stable pigment class. This compound matters for its brilliant blue color and excellent solubility, making it a versatile functional dye and colorant in aqueous systems. Industries such as ink manufacturing, textile dyeing, and specialty coatings rely on this product for its consistent performance and compatibility.

Application

• As a key functional dye in the formulation of writing inks, including fountain pen and ballpoint pen inks.
• As a colorant for textiles, particularly for dyeing cotton, silk, and other natural fibers in aqueous baths.
• In the production of specialty inks for security printing, digital printing, and flexographic applications.
• As a biological stain in microscopy and histology for specific tissue staining protocols.
• In the manufacturing of colored paper and decorative coatings where water-based systems are preferred.
• As a research chemical and intermediate in the synthesis of more complex phthalocyanine derivatives.
• Potential use in sensor technologies and photodynamic therapy research due to its photochemical properties.

Basic Information

Product Name	Copper Phthalocyanine Tetrasulfonic Acid Tetrasodium Salt
CAS No.	27360-85-6
Molecular Formula	C32H12CuN8O12S4·4Na
Molecular Weight	984.37 g/mol (anhydrous)
Synonyms	Direct Blue 86; Phthalocyanine Blue BN; Copper Phthalocyanine Tetrasulfonate Tetrasodium Salt; C.I. 74180; Tetrasodium Copper Phthalocyaninetetrasulfonate; Reactive Blue 21 (related); Water Soluble Phthalocyanine Blue; CuPcTS
EINECS	Contact for details

Quality Control

Our Copper Phthalocyanine Tetrasulfonic Acid Tetrasodium Salt is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistency in color strength, solubility, and purity, meeting the specifications required for high-performance applications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with every shipment.

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 the container is sealed after each use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to blue-black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Solubility (in Water)	Clear, deep blue solution
Loss on Drying	≤ 5.0%
Sulfonate Content	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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