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Zinc Omadine (ZnPT, Zinc Pyrithione) is a zinc coordination complex of pyrithione widely used as a broad-spectrum antimicrobial and antifungal active ingredient.
Zinc Omadine (ZnPT, Zinc Pyrithione) is best known for controlling dandruff-associated microorganisms and is used in rinse-off hair and scalp products for flake reduction and scalp comfort.
Zinc Omadine (ZnPT, Zinc Pyrithione) is valued for strong activity at low use levels, good formulation versatility in many systems, and reliable performance against bacteria, yeasts, and fungi.
CAS Number: 13463-41-7
EC Number: 236-671-3
Molecular Formula: C10H8N2O2S2Zn
Molecular Weight: 317.70 g/mol
Synonyms: Zinc Omadine, ZnPT, Zinc Pyrithione, ZPT, Zinc Pyridinethione, Zinc 2-Pyridinethiol-1-oxide, Zinc Pyridine-2-thiol-1-oxide, Zinc Pyridine N-oxide Thione, 2-Pyridinethiol-1-oxide zinc salt, Pyrithione Zinc, Zinc Pyrithione Active, Zinc Pyrithione Antimicrobial,Zinc Omadine, Zinc Pyrithione, ZnPT, Zinc Pyridinethione, Zinc Bis(pyrithione), Zinc Bis-pyrithione, Zinc 2-pyridinethiol-1-oxide, Zinc 2-mercaptopyridine-N-oxide, Zinc O-pyridinethione, Zinc Pyridinethione Complex, Zinc Omadine Complex, Zinc Omadine Antimicrobial, Zinc Pyrithione Antimicrobial, Zinc Pyrithione Biocide, Zinc Pyrithione Microbicide, Zinc Pyrithione Fungicide, Zinc Pyrithione Anti-fungal Agent, Zinc Pyrithione Anti-dandruff Agent, Zinc Pyrithione Anti-microbial Agent, Zinc Pyrithione Anti-mold Agent, Zinc Pyrithione Mildew Control Agent, Zinc Pyrithione Mildewcide, Zinc Pyrithione Algaecide, Zinc Pyrithione Preservative, Zinc Pyrithione Cosmetic Preservative, Zinc Pyrithione Personal Care Antimicrobial, Zinc Pyrithione Hair Care Antimicrobial, Zinc Pyrithione Shampoo Active, Zinc Pyrithione Dandruff Control Active, Zinc Pyrithione Anti-Flake Agent, Zinc Pyrithione Dermatological Active, Zinc Pyrithione Topical Antifungal, Zinc Pyrithione Topical Antimicrobial, Zinc Pyrithione Industrial Biocide, Zinc Pyrithione Industrial Fungicide, Zinc Pyrithione Industrial Antimicrobial, Zinc Pyrithione Surface Biocide, Zinc Pyrithione Coating Biocide, Zinc Pyrithione Paint Biocide, Zinc Pyrithione Polymer Biocide, Zinc Pyrithione Sealant Biocide, Zinc Pyrithione Adhesive Biocide, Zinc Pyrithione Textile Biocide, Zinc Pyrithione Leather Biocide, Zinc Pyrithione Plastics Biocide, Zinc Pyrithione Marine Biocide, Zinc Pyrithione Boat Coating Biocide, Zinc Pyrithione Antifouling Agent, Zinc Pyrithione Anti-fouling Biocide, Zinc Omadine Biocide, Zinc Omadine Fungicide, Zinc Omadine Industrial Biocide, Zinc Omadine Anti-microbial, Zinc Omadine Active, Zinc Omadine Preservative, Zinc Omadine Anti-dandruff Active, Zinc Omadine Shampoo Active, Zinc Omadine Marine Antifoulant, Zinc Omadine Coating Additive, Zinc Omadine Surface Protection Additive, Zinc Omadine Industrial Additive, Zinc Omadine Specialty Additive, Zinc Omadine Fine Chemical, Zinc Pyrithione Technical Grade, Zinc Pyrithione Industrial Grade, Zinc Pyrithione Cosmetic Grade, Zinc Pyrithione Personal Care Grade
APPLICATIONS
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in anti-dandruff shampoos to reduce visible flakes and improve scalp cleanliness.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in 2-in-1 shampoo and conditioner products to control dandruff while maintaining hair feel.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in scalp-care shampoos designed for oily scalp and recurring flake concerns.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in rinse-off scalp treatments to support ongoing dandruff control between washes.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in scalp scrubs and exfoliating cleansers to help limit microbial regrowth after exfoliation.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in men’s grooming shampoos where strong antimicrobial performance is desired.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in body washes and cleansing bars to support odor control and microbial balance in rinse-off formats.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in foot cleansers to help manage odor and fungal-related hygiene concerns.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in hygiene washes where antifungal support is required in wash-off applications.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in industrial coatings and paints as a preservative to help protect dry films from fungal and algal growth.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in exterior architectural coatings to reduce mildew and surface discoloration during weather exposure.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in marine and high-humidity coating systems where biofouling pressure is elevated.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in water-based paints to support in-can preservation and reduce spoilage during storage.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in coating formulations to help control microbial contamination introduced during manufacturing.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in pigment pastes and coating intermediates to improve microbiological stability.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in adhesives and sealants to reduce fungal growth on cured products in damp environments.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in construction sealants to help protect joints from mildew staining.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in latex adhesives where microbial control improves shelf stability and performance.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in polymer and plastic formulations as an antimicrobial additive to reduce odor and microbial degradation.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in flexible polymers where fungal resistance supports product durability in humid conditions.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in plasticized systems to help limit surface microbial growth on finished goods.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in rubber and elastomer articles to support antimicrobial hygiene performance.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in foam products where microbial growth can contribute to odor and material deterioration.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in specialty masterbatches to deliver consistent antimicrobial loading during compounding.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in textiles and technical fabrics to impart antifungal and antibacterial performance.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in socks and sports textiles to help manage odor and hygiene in high-sweat conditions.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in upholstery and home textiles where mildew resistance is desired.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in leather and synthetic leather treatments to help prevent mildew during storage and transport.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in coating layers for textiles to reduce microbial staining and odor formation.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in finishing baths where durable antimicrobial effects are targeted.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in paper and packaging coatings to help reduce mold growth in humid storage conditions.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in printing inks and aqueous overprints to support microbial stability and prevent spoilage.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in starch and binder systems where microbial control improves process reliability.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in industrial slurries and emulsions where microbial contamination causes odor and viscosity drift.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in specialty dispersions to maintain quality during storage and repeated opening.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in manufacturing environments where broad-spectrum biocidal performance is required.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in cleaning and maintenance products as a preservative to protect water-based concentrates.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in household formulations where in-can microbial control supports shelf life.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in industrial cleaners where product stability under warm storage is important.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in metalworking and process fluids in selected applications to reduce microbial growth and odor.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in recirculating systems where microbial slime can impact performance.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used where low-dose efficacy provides cost-effective microbial control.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in specialty preservation programs that combine multiple actives for broad coverage.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used where both antifungal and antibacterial action are desired from a single ingredient.
Zinc Omadine (ZnPT, Zinc Pyrithione) is valued in many industries due to strong performance, formulation flexibility, and durable antimicrobial effect.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used as an anti-dandruff active in shampoos.
Zinc Omadine (ZnPT, Zinc Pyrithione) reduces Malassezia yeast populations on the scalp.
Zinc Omadine (ZnPT, Zinc Pyrithione) helps relieve flaking and itching in dandruff-prone hair.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in anti-seborrheic scalp treatments.
Zinc Omadine (ZnPT, Zinc Pyrithione) controls scalp microbiota balance in leave-on tonics.
Zinc Omadine (ZnPT, Zinc Pyrithione) supports long-term management of chronic scalp conditions.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in 2-in-1 shampoo and conditioner systems.
Zinc Omadine (ZnPT, Zinc Pyrithione) maintains anti-dandruff efficacy in conditioning formulas.
Zinc Omadine (ZnPT, Zinc Pyrithione) remains active in surfactant-rich cleansing bases.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in hair masks and treatments for flaky scalp.
Zinc Omadine (ZnPT, Zinc Pyrithione) is incorporated into intensive weekly scalp care products.
Zinc Omadine (ZnPT, Zinc Pyrithione) delivers targeted antifungal benefits in rich treatment formats.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in body washes for antimicrobial hygiene claims.
Zinc Omadine (ZnPT, Zinc Pyrithione) helps reduce odor-causing microorganisms on skin.
Zinc Omadine (ZnPT, Zinc Pyrithione) supports long-lasting freshness in personal wash products.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in bar soaps with deodorizing properties.
Zinc Omadine (ZnPT, Zinc Pyrithione) contributes broad-spectrum antimicrobial activity in syndet bars.
Zinc Omadine (ZnPT, Zinc Pyrithione) enhances hygiene performance in daily cleansing products.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in topical anti-fungal skin preparations.
Zinc Omadine (ZnPT, Zinc Pyrithione) helps manage mild fungal-related skin discomfort.
Zinc Omadine (ZnPT, Zinc Pyrithione) is formulated in creams and lotions for localized use.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used as an antimicrobial agent in plastics.
Zinc Omadine (ZnPT, Zinc Pyrithione) inhibits microbial growth on polymer surfaces.
Zinc Omadine (ZnPT, Zinc Pyrithione) extends cleanliness and service life of treated plastic articles.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in coatings and paints as a fungistatic additive.
Zinc Omadine (ZnPT, Zinc Pyrithione) prevents mold and mildew growth on coated surfaces.
Zinc Omadine (ZnPT, Zinc Pyrithione) supports hygiene coatings for walls and high-touch areas.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in sealants and caulks for mildew resistance.
Zinc Omadine (ZnPT, Zinc Pyrithione) protects bathroom and kitchen joints from fungal staining.
Zinc Omadine (ZnPT, Zinc Pyrithione) helps maintain aesthetic appearance in damp environments.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in textile and carpet treatments.
Zinc Omadine (ZnPT, Zinc Pyrithione) provides built-in antimicrobial protection to fibers.
Zinc Omadine (ZnPT, Zinc Pyrithione) reduces odor development in home and automotive textiles.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in industrial and marine coatings.
Zinc Omadine (ZnPT, Zinc Pyrithione) helps prevent microbial fouling on coated structures.
Zinc Omadine (ZnPT, Zinc Pyrithione) supports durability of protective coatings in humid climates.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in household cleaners and disinfecting products.
Zinc Omadine (ZnPT, Zinc Pyrithione) enhances antimicrobial efficacy in hard-surface cleaning formulas.
Zinc Omadine (ZnPT, Zinc Pyrithione) helps control microbial regrowth between cleaning cycles.
DESCRIPTION
Zinc Omadine (ZnPT, Zinc Pyrithione) is typically supplied as a white to slightly off-white powder with low odor.
Zinc Omadine (ZnPT, Zinc Pyrithione) is a poorly water-soluble antimicrobial active that is commonly delivered as a dispersion or suspended solid in finished products.
Zinc Omadine (ZnPT, Zinc Pyrithione) provides broad-spectrum activity and is especially effective against many fungi and yeasts associated with dandruff and spoilage.
Zinc Omadine (ZnPT, Zinc Pyrithione) functions by disrupting microbial metabolism and membrane processes, leading to growth inhibition.
Zinc Omadine (ZnPT, Zinc Pyrithione) performance depends on particle size, dispersion quality, and contact time in the target system.
Zinc Omadine (ZnPT, Zinc Pyrithione) is often selected for rinse-off hair and scalp applications because it can deposit lightly and continue to act between washes.
Zinc Omadine (ZnPT, Zinc Pyrithione) is used in industrial products as a preservative and film-protecting biocide to reduce fungal growth and surface staining.
Zinc Omadine (ZnPT, Zinc Pyrithione) is sensitive to strong oxidizers and may show reduced performance if improperly stored or contaminated.
Zinc Omadine (ZnPT, Zinc Pyrithione) should be handled with care to avoid dust exposure and to maintain consistent dispersion and dosing.
Zinc Omadine (ZnPT, Zinc Pyrithione) is a coordination complex of zinc with pyrithione ligands.
Zinc Omadine (ZnPT, Zinc Pyrithione) appears as a fine, off-white to pale yellow powder.
Zinc Omadine (ZnPT, Zinc Pyrithione) is only sparingly soluble in water but can be dispersed in formulations.
Zinc Omadine (ZnPT, Zinc Pyrithione) exhibits broad-spectrum antimicrobial activity.
Zinc Omadine (ZnPT, Zinc Pyrithione) is particularly effective against fungi and yeast such as Malassezia species.
Zinc Omadine (ZnPT, Zinc Pyrithione) also shows activity against a range of bacteria.
Zinc Omadine (ZnPT, Zinc Pyrithione) acts by disrupting membrane transport processes in microorganisms.
Zinc Omadine (ZnPT, Zinc Pyrithione) interferes with energy metabolism in susceptible cells.
Zinc Omadine (ZnPT, Zinc Pyrithione) provides sustained activity when deposited on keratin surfaces.
Zinc Omadine (ZnPT, Zinc Pyrithione) is widely used in anti-dandruff shampoos and scalp treatments.
Zinc Omadine (ZnPT, Zinc Pyrithione) is also used as a preservative and antimicrobial additive in non-food applications.
Zinc Omadine (ZnPT, Zinc Pyrithione) is subject to regulatory restrictions and use-level limitations in many regions.
Zinc Omadine (ZnPT, Zinc Pyrithione) should be handled with appropriate industrial hygiene measures.
Zinc Omadine (ZnPT, Zinc Pyrithione) should be stored in tightly closed containers away from excessive heat and light.
Zinc Omadine (ZnPT, Zinc Pyrithione) is valued for its strong antifungal performance and broad formulation versatility.
PROPERTIES
Chemical Formula: C10H8N2O2S2Zn
Molecular Weight: 317.70 g/mol
Common Name: Zinc Omadine (ZnPT, Zinc Pyrithione)
Chemical Nature: Zinc coordination complex of pyrithione (non-oxidizing biocidal active)
Appearance: White to off-white powder
Odor: Mild to nearly odorless
Solubility: Practically insoluble in water; dispersible in formulated systems; solubility depends on solvents and pH
Decomposition / Stability: Stable under normal conditions; avoid strong oxidizers and excessive heat
Particle Characteristics: Performance depends strongly on particle size and dispersion quality
Flash Point: Not typically applicable for inorganic-organic complex solids
Storage Temperature: 15–30°C, dry, tightly closed, protected from light and contamination
Shelf Life: 12–24 months in original sealed packaging (typical supplier range)
FIRST AID
Inhalation:
Move to fresh air if dust is inhaled.
Seek medical attention if coughing, wheezing, or respiratory irritation persists.
Avoid further exposure and keep the person at rest.
Skin Contact:
Remove contaminated clothing and wash skin with soap and water.
Seek medical advice if irritation, redness, or sensitization symptoms develop.
Wash contaminated clothing before reuse.
Eye Contact:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do, then continue rinsing.
Seek medical attention if pain, redness, or visual disturbance persists.
Ingestion:
Rinse mouth with water and do not induce vomiting.
Seek medical attention if a significant amount is swallowed or if symptoms occur.
Never give anything by mouth to an unconscious person.
Note to Physicians:
Treat symptomatically and provide supportive care.
Consider potential irritation effects based on exposure route.
Monitor respiratory status if dust exposure was significant.
HANDLING AND STORAGE
Handling:
Use appropriate PPE including gloves, safety goggles, and protective clothing.
Avoid generating dust during weighing, charging, or transfer operations.
Wash hands thoroughly after handling and before eating, drinking, or smoking.
Ventilation:
Use local exhaust or general ventilation where dust may be generated.
Use closed transfer systems when feasible to minimize airborne particulate.
Prevent dust accumulation on surfaces in handling areas.
Storage:
Store in a cool, dry place in tightly sealed containers.
Protect from direct sunlight and keep away from strong oxidizers and incompatible chemicals.
Keep containers properly labeled and prevent moisture ingress.
Spill and Leak Procedures:
Avoid dust generation and wear appropriate PPE during cleanup.
Collect spilled material using methods that minimize airborne dust, such as damp sweeping or HEPA vacuuming.
Dispose of collected waste according to local regulations and facility procedures.
Handling Precautions:
Use clean, dedicated equipment to prevent cross-contamination in regulated production environments.
Maintain good housekeeping because fine powders can become airborne and increase exposure risk.
Rotate stock using FIFO practices to maintain consistent quality and performance.
