Description

Copper Pyrithione is a highly effective organometallic biocide and fungicide, valued for its broad-spectrum antimicrobial activity and stability. This compound is essential for preventing microbial growth and degradation in a wide range of industrial and consumer products. It is a critical raw material for manufacturers in the paints & coatings, personal care, and polymer industries seeking durable, long-lasting product protection.

Application

• Paints, Coatings, and Adhesives: Acts as a powerful in-can preservative and dry-film fungicide to prevent mold, mildew, and algae growth on exterior surfaces.
• Personal Care Products: Used as an active anti-dandruff agent in shampoos, hair tonics, and scalp treatments due to its antifungal properties.
• Polymer and Plastic Stabilization: Incorporated into plastics, sealants, and caulks to provide long-term resistance to microbial attack and discoloration.
• Marine Antifouling Paints: A key component in coatings for ship hulls and underwater structures to inhibit the attachment of barnacles, algae, and other marine organisms.
• Textile and Fabric Protection: Applied to fabrics, awnings, and outdoor textiles to impart antimicrobial and antifungal properties.
• Wood Preservatives: Used in treatments for lumber and wood composites to protect against fungal decay and extend service life.
• Industrial Coolants and Metalworking Fluids: Serves as a preservative to control bacterial and fungal growth in water-based systems.

Basic Information

Product Name	Copper Pyrithione
CAS No.	14915-37-8
Molecular Formula	C10H8CuN2O2S2
Molecular Weight	315.86 g/mol
Synonyms	Copper Pyrithione; Copper Omadine; Copper 2-Pyridinethiol-1-oxide; Copper 2-Mercaptopyridine N-oxide; Bis(2-pyridylthio)copper; Copper(II) Pyrithione; Copper 2-Pyridinethiol-1-Oxide Complex; KOP 100; KOP Copper
EINECS	238-984-0

Quality Control

Our Copper Pyrithione is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise specifications for purity and performance. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Green to yellow-green powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Particle Size (Typical)	Passes through 200 mesh

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