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What is zinc pyrithione
Zinc pyrithione is a versatile and widely used active ingredient known for its antimicrobial and antifungal properties. Commonly found in personal care products such as shampoos, soaps, and skincare formulations, it is particularly effective in treating dandruff, seborrheic dermatitis, and other scalp conditions. Its mechanism of action involves disrupting the cell membrane of fungi and bacteria, preventing their growth and proliferation. Zinc pyrithione is also valued for its gentle yet effective nature, making it suitable for regular use. Beyond personal care, it is utilized in industrial applications, including paints and textiles, to prevent microbial growth. Its safety, efficacy, and broad-spectrum activity have made it a trusted choice for over 50 years.
Preparation Process: Zinc pyrithione is prepared by reacting pyrithione (1-hydroxy-2-pyridinethione) with a zinc salt, typically zinc sulfate or zinc chloride, in an aqueous or alcoholic solution. The process involves dissolving pyrithione in a suitable solvent, followed by the addition of the zinc salt under stirring at room temperature or slightly elevated temperatures (20–60°C). The reaction forms a chelate complex, precipitating zinc pyrithione as a fine solid. The product is then filtered, washed with water or solvent to remove impurities, and dried under vacuum or at moderate temperatures (40–80°C). Adjusting pH (6–8) ensures optimal yield and purity.
Usage Scenarios: Zinc pyrithione is primarily used as an antifungal and antibacterial agent in personal care products, particularly in shampoos and treatments for dandruff, seborrheic dermatitis, and psoriasis. It works by disrupting microbial cell membranes, inhibiting fungal and bacterial growth. Additionally, it is incorporated into cosmetics, soaps, and skincare products to prevent microbial contamination. In industrial applications, zinc pyrithione serves as a biocide in paints, textiles, and plastics to prevent mold and mildew formation. Its effectiveness against Malassezia yeast, a common cause of scalp conditions, makes it a key ingredient in medicated hair care formulations. The compound is also used in marine antifouling coatings to deter algae and barnacles.
zinc pyrithione Basic Info
zinc pyrithione Price
1. **United States**: $50–$100 per kg
2. **China**: $30–$60 per kg
3. **Russia**: $40–$70 per kg
4. **Germany**: $60–$100 per kg
5. **India**: $25–$50 per kg
6. **Japan**: $50–$80 per kg
7. **Brazil**: $30–$60 per kg
8. **South Korea**: $40–$70 per kg
9. **Philippines**: $25–$50 per kg
10. **United Kingdom**: $60–$100 per kg
11. **France**: $50–$80 per kg
12. **Mexico**: $30–$60 per kg
13. **Canada**: $60–$100 per kg
14. **South Africa**: $35–$65 per kg
15. **Egypt**: $25–$50 per kg
16. **Turkey**: $40–$70 per kg
17. **Thailand**: $30–$60 per kg
18. **Indonesia**: $25–$50 per kg
Please note that these are general estimates and actual prices may vary based on market conditions, supply chains, and specific product formulations.
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