Description

Copper Pyrithione is a highly effective organometallic biocide and fungicide, known for its broad-spectrum antimicrobial activity. This compound is valued for its stability and long-lasting performance in challenging environments, making it a critical component for material preservation. It is primarily sought by manufacturers in the paint, polymer, and personal care industries seeking to prevent microbial degradation and ensure product longevity.

Application

• Antifungal Agent in Paints and Coatings: Incorporated into marine, architectural, and industrial paints to prevent mold, mildew, and fungal growth on surfaces.
• Preservative for Polymers and Plastics: Used as a biostabilizer in PVC, polyolefins, and polyurethanes to protect against microbial attack that can cause discoloration and loss of mechanical properties.
• Antidandruff Agent in Personal Care: A key active ingredient in shampoos, hair tonics, and scalp treatments for its efficacy against Malassezia fungi.
• Wood Preservative: Protects lumber, decking, and other wood products from decay fungi and algae.
• Textile and Fabric Protection: Applied to textiles, awnings, and outdoor fabrics to inhibit mold and mildew formation.
• Antifouling Agent: Used in marine antifouling coatings to prevent the attachment and growth of algae, barnacles, and other organisms on ship hulls.

Basic Information

Product Name	Copper Pyrithione
CAS No.	17652-46-9
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)zinc 1,1'-dioxide; Copper(II) pyrithione; KOP 100; KOP 545
EINECS	241-622-7

Quality Control

Our Copper Pyrithione is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, potency, and physical characteristics. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and identification tests is provided with every shipment to guarantee consistent quality and traceability for our global B2B partners.

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). Keep away from incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Green to yellow-green powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Particle Size (Typical)	Pass through 100 mesh

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