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Zinc PYRION™ Powder
Zinc PYRION™ Powder is a solid, powder form of zinc pyrithione preservative (CAS No. 13463-41-7) that provides antimicrobial protection in a wide variety of industrial applications.
Zinc PYRION™ is a zinc pyrithione (CAS No. 13463-41-7) chemical preservative (also called pyrithione zinc, ZPT, ZnPT, or ZnP) that protects against unwanted microbial growth and degradation. Zinc PYRION™ Powder grade is the concentrated off-white solid powder form of zinc pyrithione and has low solubility in water. Zinc PYRION™ 48% Liquid is the dispersed version of zinc pyrithione powder in water and an alternative option for water-based applications that desire a zinc pyrithione antimicrobial.
Zinc pyrithione is a highly effective broad-spectrum antimicrobial that inhibits the growth of fungi, bacteria, and algae. It is particularly effective in dry film antifungal applications. Additionally, due to its low water solubility, zinc pyrithione powder is especially effective in applications that require low leaching and long-lasting protection. Zinc pyrithione powder is thermally stable at high temperatures and does not begin decomposing until 240 Celsius. Zinc pyrithione is stable between pH 4 and 9.5. When in contact with heavy metal ions, such as iron and copper-based chemicals, zinc pyrithione can cause discoloration due to a chemical process called transchelation. Zinc pyrithione also is sensitive to light and strong oxidizing and reducing agents.
Zinc PYRION™ is approved for use as a chemical biocide for a wide range of both indoor and outdoor industrial applications susceptible to microbial attack. Common and approved applications for Zinc PYRION™ biocide include textiles, construction materials, paints, adhesives, plastics, caulks, sealants, and marine anti-fouling paints.
Typical treat rates vary by application, but are typically no more than 0.5 wt% for coatings applications. We recommend testing several levels (for example 2000, 3000, 4000, and 5000 ppm) to test the efficacy of protection. Contact a technical representative for more information and to confirm the recommended treat rate for your specific application. Testing is available through Janssen's laboratory for several industry-standard tests.
Zinc PYRION™ is not an approved active ingredient through ChemPoint for personal care and cosmetic grade applications, which include dandruff shampoo and hair care, bar soaps, cosmetics, and skin care products.
Specifications
CAS number: 13463-41-7 Typical Properties: Appearance: Light beige to beige powder Purity (potentiometric titration): 97.0 wt% min Loss on drying (105°C): 2 wt% min Particle size distribution: D50: 10 μm max; D99: 35 μm max Relative density: 1.8106 at 22.5°C Bulk density: 0.41 g/ml pH (5% dispersion in water): 6.5–8.5 Vapor pressure: < 6.6 x 10-4 Pa at 25°C Solubility in water: 4.93 mg/l at 20.0°C; 6.11 mg/l at 30.0°C Synonyms or codes: Bis(2-pyridylthio-1-oxide)zinc, zinc 2-pyridinethiol-1-oxide, zinc pyridinethione, pyrithione zinc, zinc pyrithione
Primary Chemistry: Zinc pyrithione, pyrithione zinc, ZPT, ZnP
Features & Benefits
Broad-spectrum antimicrobial action against fungi, bacteria, and algae Low leaching Heat stable to 480°F/250°C Low water solubility Cost-effective Off-white powder form Compatible with most polymers Stable between pH 4 and 9.5 Full control of formulated treat rate EPA approved for a wide range of industrial and food contact applications Free testing available to measure efficacy of antimicrobial protection
Problems Solved
Microbial growth in coatings, elastomers and plastics Microbial growth of fungi, bacteria and algae Leaching and short-lived microbial protection Staining and odors from microorganisms Expensive and difficult to handle biocides Preservative incompatibility with resin or polymer Poor thermal stability
Applications
Zinc PYRION™ is approved for use as an antimicrobial additive in the following applications:
Flooring adhesives Caulks and sealants Grouts and patching compounds Architectural and industrial paints and coatings Joint compounds, glazing compounds, and wood fillers Carpet fibers and carpet backings Rubber and rubber-backed bath mats Foam underlay for carpets Foam stuffing for cushions and mattresses Wire and cable insulation Vinyl, linoleum, and synthetic floor coverings Wall coverings Plastic furniture Athletic flooring and mats Mattress liners Molding Mats Gaskets Weather stripping Coated fabrics for furniture cushions Boat covers Tents Ductwork Air filters and air filtration components and media Awnings Nonsurgical rubber gloves Garbage bags and refuse containers Garden hoses Non-potable water pipes Shower curtains Sponge or fiber mops Household-use mops Toilet brush receptacles Toothbrush receptacles Nonmedical scrub brushes Sink mats and drain boards Storage containers and soap dish holders Footwear Laundered fabrics Dry wall materials Ceiling tiles Food contact surfaces made from polymers
Zinc PYRION™ cannot be sold in the United States for use in dandruff shampoo or other hair, skin, and cosmetic products.
Microorganisms can compromise the appearance, functionality, and performance of plastics and textiles. Microbial growth on plastics can also impact human health. Janssen PMP offers antimicrobial solutions to extend the shelf life of plastic products and improve human hygiene.
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ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
Thank you
Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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