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Sodium Omadine

    • Product Name Sodium Omadine
    • Alias Omacide
    • Einecs 236-171-5
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    966963

    Chemical Name Sodium Omadine
    Synonyms Sodium pyrithione
    Cas Number 3811-73-2
    Molecular Formula C5H4NNaOS
    Molecular Weight 149.14 g/mol
    Appearance White to off-white powder
    Solubility Soluble in water
    Melting Point Approximately 240°C (decomposes)
    Ph Range 7.0 - 10.0 (1% solution)
    用途 Antimicrobial, antifungal, and preservative agent

    As an accredited Sodium Omadine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Sodium Omadine is packaged in a 1 kg white HDPE bottle with a tamper-evident screw cap, clearly labeled with safety information.
    Shipping Sodium Omadine should be shipped in tightly sealed, corrosion-resistant containers, stored in a cool, dry, well-ventilated area. Protect it from heat, moisture, and incompatible substances. Ensure packages are properly labeled according to local and international transport regulations. Follow all hazardous material shipping guidelines, including appropriate documentation and safety precautions.
    Storage Sodium Omadine should be stored in a tightly closed container in a cool, dry, and well-ventilated area away from direct sunlight, heat, and incompatible substances such as strong oxidizers. Avoid moisture and sources of ignition. Clearly label the container. Personal protective equipment, such as gloves and goggles, should be used when handling. Always follow local regulations and safety data sheet recommendations.
    Application of Sodium Omadine

    Applications of Sodium Omadine in Industrial Manufacturing

    Sodium Omadine, recognized for its outstanding antimicrobial properties, supports a range of industrial sectors. Our manufacturing expertise allows for precise application in established downstream industries under regulated and auditable quality standards.

    1. Industrial Cooling Water Treatment

    Sodium Omadine acts as an effective microbicide in recirculating industrial cooling water systems. Its addition targets bacterial and algal proliferation, reducing biofilm formation on heat exchanger surfaces and pipelines. Operators adjust dosages based on system volume, biological risk, aeration profile, and water retention time. This application requires adherence to environmental discharge restrictions for treated water.

    Industry compliance standards

    • US EPA FIFRA Labeling Compliance
    • REACH Annex XIV (Europe) compliance
    • China GB 18597 and GB 18598 regulations for water discharge
    • OSHA 29 CFR 1910 for workplace safety

    Typical usage ratio

    • 20–100 mg/L, adjusted according to contamination risk and water throughput

    Downstream process integration

    • Dosed directly into bulk water reservoirs during circulation, monitored by automated metering pumps
    • Integrated with real-time water quality monitoring, including microbial load assessment
    • Addition coordinated with antiscalant and corrosion inhibitor dosing schedules

    Final product types

    • Treated industrial cooling water
    • Operational cooling towers with extended maintenance interval

    2. Metalworking Fluid Preservation

    The biostatic action of Sodium Omadine protects water-based metalworking fluids against microbial spoilage. The chemical inhibits bacterial and fungal growth during both storage and machining, extending fluid service life and minimizing hazardous decomposition byproducts. Specifications vary depending on metal type, fluid recirculation cycle, and CUT (cooling, uptake, transfer) system design.

    Industry compliance standards

    • ASTM E2275 for fluid biocide evaluation
    • EN 60745-1 for health safety in machining operations (Europe)
    • US EPA TSCA inventory clearance
    • Workplace exposure: NIOSH and ACGIH TLV limits

    Typical usage ratio

    • 200–500 ppm of concentrate, fine-tuned for sump volume and contamination rate

    Downstream process integration

    • Metered addition during fluid blending in centralized preparation tanks
    • Routine top-up during in-use maintenance or based on microbial plate count
    • Via automated fluid management systems in closed-loop machining cells

    Final product types

    • Preserved semi-synthetic and synthetic metalworking fluids
    • Finished cutting, grinding, and forming fluid concentrates

    3. Polymer Emulsion Preservation (Latex, Acrylics)

    Sodium Omadine is widely incorporated by formulators to safeguard aqueous polymer emulsions, including acrylic latexes, vinyl acetate, and styrene-butadiene dispersions. The biocontrol activity stabilizes stored intermediate and finished dispersions, maintaining viscosity and end-use performance in architectural coatings, adhesives, and sealants. Dosing depends on emulsion solids, pH, and intended storage duration.

    Industry compliance standards

    • EU BPR (Biocidal Products Regulation) No 528/2012
    • FDA 21 CFR 175.105 (where used in indirect food contact adhesives)
    • China HJ 2537 for discharge water control
    • ISO 9001:2015 QC for batch traceability

    Typical usage ratio

    • 0.05–0.15% w/w based on total emulsion formulation

    Downstream process integration

    • Introducing during batch mixing at the let-down stage, post-polymerization, before storage and packaging
    • On-line analytical checks for microbial count prior to filling
    • Often blended with other preservative systems to meet shelf-life targets

    Final product types

    • Acrylic latex paint binders
    • Carpet and paper adhesives
    • Elastomer sealant bases

    4. Personal Care and Cosmetics Preservation

    Manufacturers formulate Sodium Omadine in rinse-off personal care products such as shampoos and body washes for preservative functionality. Its antimicrobial spectrum addresses common Gram-positive and Gram-negative bacteria found in aqueous formulations. Inclusion rates and batch validation follow national and international cosmetics safety legislation. Application focuses on process hygiene and formula microstability.

    Industry compliance standards

    • EU Cosmetics Regulation (EC) No. 1223/2009, Annex V preserver limits
    • ASEAN Cosmetic Directive
    • US FDA Voluntary Cosmetic Registration Program (VCRP) safety assessment
    • China NMPA registration for cosmetic raw materials

    Typical usage ratio

    • 0.1–0.3% w/w, optimized per formula type and intended region of sale

    Downstream process integration

    • Masterbatch addition following aqueous phase blending, pre-cooling, to maximize dispersion
    • Routine challenge testing against P. aeruginosa and S. aureus for each batch
    • In-process and end-product preservative validation by ISO 11930

    Final product types

    • Dandruff shampoos (anti-fungal label claims)
    • Body wash concentrates
    • Liquid hand soaps

    5. Leather and Tanning Chemical Preservation

    Downstream tanneries and leather chemical producers utilize Sodium Omadine to inhibit microbial attack in wet-end leather treatments and process chemicals. Its fungicidal and bactericidal performance helps stabilize chrome-based and syntan-containing agent solutions, reducing risks of spoilage and offensive odor formation. Application rates reflect water hardness, process pH, and desired storage intervals.

    Industry compliance standards

    • UNIDO Leather Industry Environmental Standards
    • EU Regulation (EC) No 1907/2006 (REACH) registration for process chemicals
    • India BIS IS 3840:2016 for leather processing biocides
    • ZDHC MRSL compliance for restricted substances in tanning

    Typical usage ratio

    • 0.05–0.2% w/w of process bath, adjusted for leather type and bath recirculation rate

    Downstream process integration

    • Added directly to pickle and wet blue storage baths post-pH adjustment
    • Mixed in during drum or paddling stages with recirculating chemical solutions
    • On-site microbial control validated via treated hide sampling

    Final product types

    • Preserved wet blue hides
    • Finishing chemicals for garment and automotive leathers
    • Preserved retanning agents

    6. Antimicrobial Additive in Paints and Coatings

    Sodium Omadine serves as an in-can preservative and dry-film biocide in industrial and architectural paints. Its application curbs microbial contamination during storage and helps protect painted surfaces from mold and bacteria after film formation. Regulatory-compliant levels depend on coating system composition, film thickness, and specific performance targets for end-user segments.

    Industry compliance standards

    • EU BPR, PT6 & PT7 product-types for preservatives
    • ASTM D2574 and ISO 11998 for preservation efficacy and wet-scrub
    • US EPA registration under PRIA
    • China GB/T 9756-2018 for emulsion paints

    Typical usage ratio

    • 0.05–0.15% w/w in wet formulation; film-active forms at 0.1–0.3% based on dry content

    Downstream process integration

    • Injected at the grinding or post-let-down phase during paint blending
    • In-can microbial assurance checked by challenge tests and shelf-life acceleration
    • Blended with co-biocide systems for broad-spectrum activity

    Final product types

    • Mildew-resistant wall and façade paints
    • Acoustic panel coatings
    • Protective coatings for HVAC components
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    Certification & Compliance
    More Introduction

    Sodium Omadine: A Closer Look from the Chemical Manufacturer’s Floor

    Through decades of hands-on chemical production, Sodium Omadine stands out for our team as one of the most reliable biocidal solutions we craft each year. Its clarity, stability, and targeted performance deserve a closer look, especially because not all chemicals run the same course in both the lab and the field. Speaking from the perspective of those who source raw materials, oversee each batch, calibrate analytical controls, and vouch for the powder that leaves our plant, this isn’t just another microbicide: sodium pyrithione, our product’s technical foundation, brings together function, safety, and trust in every practical sense.

    Model & Specifications: Production Insights, Not Just Numbers

    Our sodium omadine, offered as a fine, free-flowing powder and an aqueous solution, reflects learning gained through repeated production cycles. Every lot matches a purity standard we have upheld with persistent attention to upstream material quality, impurities, and process yield. We stake our reputation on keeping heavy metals at trace levels, since downstream users in coatings, water treatment, and personal care see regulatory audits and sensitive processes ourselves. In practice, sodium omadine achieves more than 98% purity as sodium 2-pyridinethiol-1-oxide. This matters because consistent purity delivers predictable results, whether in industrial recirculating water, latex emulsion, or an anti-dandruff shampoo formulation.

    The main powder form offers bright white or faintly off-white granules, passing mesh analysis easily in our QC checks. Solubilized forms, such as a 40% active aqueous solution, reach our customers who need ease of dosing without extra mixing; this version skips dust, weighs out accurately, and moves efficiently through liquid metering pumps. Both forms receive our standard packaging in tamper-evident drums or pails, never bulk bins or reused containers. Each lot ships with cGMP-backed documentation because our customers’ own QA audits have shaped the practices inside our own walls.

    Putting Sodium Omadine to Work: How It Gets Used

    Years of firsthand production and technical support have shown us where sodium omadine performs best. As a microbicide, it targets bacteria and fungi threatening everything from waterborne cooling towers to latex-based paints. In industrial water treatment, operators dose it directly into recirculating water; the chelate-formation mechanism acts quickly, attacking the respiratory chains and membrane structures of target organisms. That process creates real-life reliability—corrosion control operators and HVAC service teams see extended intervals between biocidal treatments and reduced biofouling. Our customers run pilot batches with our sodium omadine and record less microbial slime, improved circulation, and easier maintenance shutdowns.

    Paint and coatings manufacturers face a persistent fight against mold and bacteria in water-based systems. Formulators need a biocide stable through storage and shear, compatible with resins, and free of negative impact on final color or viscosity. Years of use in these sectors show sodium omadine keeps its biocidal punch through tough, alkaline slurry processing and in the stagnant corners of paint cans on store shelves. It does so while resisting UV breakdown and doesn’t leach or volatilize the way some older actives do.

    Switch over to personal care: this is where things get stringent, with low impurity limits, clear global regulations, and end use on human skin or scalp. Years of working with personal care partners led us to refine our own sodium omadine lines to meet both purity and hypoallergenic targets—every batch undergoes trace-level analysis for lead, mercury, arsenic, and cadmium. Manufacturers of anti-dandruff shampoos, conditioners, and topical skin treatments count on our tight impurity limits because their product registration depends on them. Sodium omadine’s mode of action in these formulas relates to its anti-fungal profile, well-documented for blocking Malassezia species responsible for scalp irritation; it works efficiently in synergy with surfactants already present, and does not disrupt fragrance or thickener stability.

    Real Differences: Sodium Omadine vs. Other Biocides

    Being on the manufacturing side of chemistry gives us a wider-angle view of what works under real production pressure—and what causes headaches. Conversations with formulators and plant operators often revolve around: efficacy at low concentrations, stability under variable pH, and regulatory peace of mind. Biocidal chemistry comes with tough choices, since demands for performance now collide with pressure for operator-friendly and eco-labeled ingredients.

    Take sodium omadine against older, formaldehyde-based preservatives: sodium omadine remains stable at mild alkaline pH, works in both water-based and some solvent-compatible systems, and poses little risk of formaldehyde or other VOC release over time. Our end-markets in Europe and North America prefer sodium omadine’s lower aquatic toxicity and its lack of bioaccumulative breakdown products compared to some isothiazolinone and chlorinated actives.

    Broad-spectrum performance also sets sodium omadine apart. Where triclosan or parabens falter against certain fungal strains, sodium omadine maintains kill rates against both gram-positive and gram-negative bacteria, as well as a broad array of molds and yeast. Its molecular structure grants consistent activity—even at ppm levels—so formulators can reduce their preservative loading and limit label crowding with fewer chemical names.

    We’ve learned that compatibility makes or breaks a preservative in market applications. Sodium omadine solves this in ways that glutaraldehyde and bronopol can’t: strong stability in both short and long-chain surfactant mixtures, foaming systems, and storage across a range of temperatures. Repeated pilot runs in both cosmetic and industrial lines show predictable dispersion and low impact on product viscosity, something that can’t be said for every biocidal active.

    Sustainability discussions now reach the distributor and even the consumer, but the work often starts in our own plant. Sodium omadine production generates lower effluent loads compared to many short-chain chlorinated actives, which is significant when facing wastewater restrictions or ISO 14001 audits. Our environmental controls catch trace emissions, and finished products pass OECD 301 biodegradability screens. The chemical’s high efficacy at very low doses means less total material entering waste streams, a fact that municipal water plants and paint factories both appreciate and confirm independently through their own effluent monitoring.

    Why Our Customers Ask About Sodium Omadine Again and Again

    No batch comes off our line without a technical follow-up, and these conversations make clear why sodium omadine sticks in the minds of manufacturers and plant operators. Customers reference predictable shelf life, low risk of yellowing or discoloration in paints, and a history of regulatory acceptance across OECD-aligned countries. Plant managers running recirculating cooling towers tell us they have cut back on unplanned shutdowns thanks to sodium omadine’s clean dispersal and non-corrosive nature, even with hard water and in systems pushing the upper pH range.

    Personal care formulators, especially those selling into the Asia-Pacific region, say sodium omadine’s acceptance in anti-dandruff routines and clear framework for safe use gives their marketing and compliance departments confidence to ramp up production. Few chemicals we make cross this many sector lines and regulatory frameworks without headaches or the need to invent new downstream processes.

    The Real-World Manufacturing Landscape: Lessons, Challenges, and Solutions

    As we see regulatory bodies tighten acceptable limits year over year—chlorine donors face stricter VOC rules, EU biocide directives continually update positive lists—sodium omadine withstands scrutiny thanks to both its performance and our transparent manufacturing behaviors. Meeting high purity specs means pulling in advanced purification equipment, triple-filtered water supplies, and investing in continuous batch monitoring to suppress unwanted by-products. Chemistries that seem simple to a buyer on paper hide hours of analytical testing and refinement: ICP-MS for low-level metals, UV/VIS to confirm product strength, HPLC for purity. Quality doesn’t show up by chance.

    Production lines periodically face roadblocks: raw material inconsistencies, scaling in reactor vessels, or unplanned cross-contamination events. Our operators have built custom pre-washing routines for reactors, switched to automated feedstock addition for better mix uniformity, and installed specialized exhaust scrubbing specific to the sulfur chemistry involved in sodium omadine production. On days when things don’t go according to plan, root-cause analysis and direct collaboration between R&D and production managers keep quality in line, not just paperwork or inspection.

    Distribution through multiple climates and regions presents another layer of concern. Powders clump if not protected from humidity, and bulk storage over long periods needs humidity regulation more than marketing promises. We moved to moisture-tight double lined bags, and offered water-based solutions with built-in anti-caking controls, precisely because we fielded enough customer calls about cakes and clods during monsoon storage or shipment through tropical ports. That feedback loop keeps us delivering the right form, not just the most convenient for our packaging line.

    Part of chemical manufacturing means wrestling with new, sometimes unanticipated problems. New paint polymer formulations and microemulsion systems continually test the compatibility of any biocide. We regularly reopen pilot runs with small- and mid-size buyers to ensure sodium omadine holds up without causing gelation or visible haze. Our responsibility as a manufacturer means sending support staff directly to production sites, at our own expense, to troubleshoot when sodium omadine’s performance isn’t as expected. This level of ownership helps retain partners—and keeps us at the leading edge of product improvement, not locked into old habits or invisible batch errors.

    Regulatory Reality: Meeting Tough Standards, Not Just Chasing Paper

    Years in chemical manufacturing make it clear that compliance isn’t someone else’s job, it’s ours. For sodium omadine, keeping ahead in the biocidal space means continual validation with REACH, EPA, and China’s NMPA frameworks. These filings involve repeated submission of product samples, impurity profiles, method validation for residue testing, and strict batch tracing going back to the rawest material point. Once, an international partner flagged an import delay due to a regulatory update; our compliance officer intervened with detailed batch analytics and coordinated quickly with agency staff—our reputation as a manufacturer is built in these moments, not just the clean certificates printed for each drum.

    Constant regulatory review extends to packaging, labeling, workplace exposure limits, and even the way our warehouse staff handle drum cleaning. Sodium omadine stands above many biocides here, thanks largely to its well-documented toxicological profile, broad country approvals, and relatively low acute toxicity to humans and non-target species when handled properly. We run annual in-house training on GHS standards and record keeping. Safety isn’t optional. Substances heading for personal care applications are sequestered by unique batch record numbers and handled in a segregated production cell that meets both GMP and cosmetic standards—customers see this firsthand during their scheduled audits.

    Support and Troubleshooting: How Labor and Knowledge Build Real Value

    One lesson we’ve learned is that chemical supply is only as valuable as the support standing behind it. Sodium omadine may seem a straightforward ingredient, but process upgrades at a customer’s paint plant or a new emulsion line can make the experience anything but simple. We don’t just ship and forget: our plant-based technical support team takes on-site calls, walks customers through in-tank dosing trials, and helps interpret HPLC results when off-colors or phase separation concerns arise. If sodium omadine doesn’t disperse evenly or holds up in bulk storage tanks, we take responsibility and offer practical adjustments such as controlled feeding and in-line dilution techniques. That direct experience transfers to our long-term customers, many who started with trial drums and have now integrated sodium omadine across multiple product lines for years.

    Scale brings its own challenges: as batch sizes grow above several tons, mixing dynamics and purity concerns scale with them. Our team consults directly with plant engineers to adapt dispersion protocols, check pH drift, and suggest storage improvements. We learn as much from on-site trouble-shooting as anyone reading data sheets; this feedback cycle has shaped safer, more efficient packaging and even changes in recommended storage conditions. In truth, success as a sodium omadine supplier comes down to real-time collaboration with customers who demand immediate and lasting solutions—not just sales scripts or standard answers.

    The Long View: Sustainability, Safety, and Reliable Results

    Manufacturing sodium omadine means confronting supply chain transparency and sustainability, from evaluating upstream raw material traceability to confirming downstream environmental impact. We continually invest in cleaner process upgrades, tighter emission controls, and documented reductions in waste material. Audits by third-party verifiers prompt us to adjust and improve process water recycling, reduce energy draw during reaction stages, and report key metrics to both certification bodies and our global partners.

    Feedback from our partners in water treatment, coatings, and personal care circles direct future investment. Calls for lower-residue, longer-shelf-life, and low-allergenicity batches drive our process improvement meetings. Each feedback cycle closes with internal reviews—and often leads to tighter batch controls, better raw material documentation, and enhanced customer communication tools. We see this as value creation: sodium omadine strengthens our connections across diverse industries, sustains demand in an increasingly complex regulatory field, and sharpens our operational edge as global markets raise their standards and expectations.

    In summary, sodium omadine stands for practical chemistry built on direct manufacturing experience and continuous improvement. Our facility’s output reflects not only the chemical’s inherent advantages but efforts from a team invested in every step, from raw material intake to hands-on, floor-level support long after shipment. As regulatory landscapes evolve and end-market requirements grow stricter, our sodium omadine continues to lead, not by formula alone, but by the trust and standards built into each batch leaving our plant. End users see its difference, batch after batch—and from the manufacturer’s side, those are the only results that matter.