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Copper Pyrithione (CPT)

CAS No: 154592-20-8
Molecular Formula: C10H8CuN2O2S2                       Formula Weight: 315.85

Structural Formula:          
  

Property:
The pyrithione ligands, which are formally monoanions, are chelated to Cu2+ via oxygen and sulfur centers. In the crystalline state, Copper Pyrithione exists as a centrosymmetric dime, where each copper is bonded to two sulfur and three oxygen centers. In solution, however, the dimers dissociate via scission of one Cu-O bond. Pyrithione is the conjugate base derived from 2-mercaptopyridine-N-oxide (CAS No. 1121-31-9), a derivative of pyridine-N-oxide.

Specifications:

Item	Index
Appearance	Green Fine Powder
Assay	=97%
pH (5%solution)	6.0-8.0
Drying loss	=0.5%
Melting point	=260?

Application: 
Copper Pyrithione is mainly used in anti-fouling marine paint, building coating, metal processing and pesticide fields. Copper Pyrithione and its like products have tremendous potential and broad space in pesticide field with properties of high-efficiency, environmental protection, hypotoxicity and broad-spectrum.

Packing and Storage:
Stored in tightly closed containers in a cool, dry area. Avoid light. Content is unchanged in two years.