Copper pyrithione is Pyridinethione derivative, and it belong to a class of cyclic sulfur organo products containing sulfur atom (S) and often oxygen (O), nitrogen (N), hydrogen (H), as well as other elements, can find application for making biologically active agents such as antiviral, antibacterial, antifungal agents. Copper pyrithione is effective biocide used to control algae, fungi and bacteria.
Molecular Formula : C10H8N2O2S2Cu
CAS # : 14915-37-8
EINECS : 238-984-0
Molecular Weight : 315.9
Physico – Chemical Properties:
| Appearance | Olive-green powder |
| Identification (IR) | To match with standard |
| pH (5%w/w aqueous suspension in pH 7water) | 6.0 – 9.0 |
| Loss on drying | Not more than 1.0% |
| Assay by HPLC | 96 – 102% |
| Copper content | 18.5 – 20.5% |
Application:
1. It is used in anti microbial formulation for antifouling paints.
2. As biocide and preservator for textiles, rubber, leather and fiber.
Selected Safety Data:
Copper pyrithione Is non-mutagenic, and it is not expected to cause adverse reproductive or embryonic Effects. The concentrared form of copper pyrithione is moderately toxic if swallowed. Copper pyrithione is considered very toxic to aquatic organisms and plants but it rapidly degrades under sunlight and its presence in the environment will be for short period.
Packaging Sizes : 25 Kg HDPE drums
Shelf Life : Minimum 2 years
Storage Conditions : Store in cool dry well ventilated place.
Literature References:
[1] Synergistic Wood Preservatives: Terrestrial Microcosms (TMCs) and Field Exposure Efficacy Studies of the Synergistic Copper Pyrithione Mixture;wood and fiber science; Tor P. Schultz, Professor, Thomas Nilsson, Professor, Darrel D. Nicholas, Professor
[2] A novel assay for the distribution of pyrithione biocides in bacterial cells :Dinning, AL-Adham, Austin & Collier School of Molecular and Life Sciences, University of Abertay Dundee, Dundee, Faculty of Pharmacy, Jordan University for Women, Amman, Jordan, Zeneca Specialties, Blackley, Manchester, UK.
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