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Bis(Triphenyltin) Oxide

    • Product Name Bis(Triphenyltin) Oxide
    • Alias TPTO
    • Einecs 233-639-6
    • 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
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    Specifications

    HS Code

    866179

    Chemical Name Bis(Triphenyltin) Oxide
    Cas Number 56-35-9
    Molecular Formula C36H30OSn2
    Molar Mass 693.1 g/mol
    Appearance White crystalline solid
    Melting Point 162-164 °C
    Boiling Point Decomposes before boiling
    Solubility In Water Insoluble
    Density 1.44 g/cm³
    Odor Odorless
    Stability Stable under recommended storage conditions
    Storage Temperature Store at room temperature

    As an accredited Bis(Triphenyltin) Oxide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Bis(Triphenyltin) Oxide, 25g, supplied in a sealed amber glass bottle with a tamper-evident cap for light-sensitive protection.
    Shipping Bis(Triphenyltin) Oxide is shipped in secure, sealed containers, compliant with international regulations for hazardous chemicals. Packaging ensures protection from moisture, heat, and physical damage. Proper labeling, accompanied by a safety data sheet, is mandatory. Transport must follow protocols for toxic substances, typically under UN number 3077 (Environmentally hazardous substance, solid, n.o.s.).
    Storage Bis(Triphenyltin) Oxide should be stored in a tightly closed container, in a cool, dry, well-ventilated area away from incompatible substances such as strong acids and oxidizing agents. Protect it from light and moisture. Store away from food and feedstuffs. Ensure the storage area is secure and clearly labeled, and avoid conditions that could lead to environmental contamination.
    Application of Bis(Triphenyltin) Oxide

    Applications of Bis(Triphenyltin) Oxide in Industrial Manufacturing

    Bis(Triphenyltin) oxide supports multiple industrial sectors with its established efficacy as a biocidal and antifouling agent. As an experienced chemical manufacturer, we supply this compound to trusted partners operating within regulated environments, supporting advanced production in well-validated downstream segments. Below are key industrial applications with complete scenario details:

    1. Marine Antifouling Coatings

    BTT oxide plays a crucial role as a biocidal component in marine coating formulations. Shipyards and coating plants blend it into paints to prevent growth of barnacles, algae, and other marine organisms on vessel hulls. This application enhances vessel performance by reducing drag and minimizing maintenance frequency. The incorporation requires rigorous alignment with local and international regulatory frameworks to ensure compliance and environmental responsibility remains at the forefront during production and application.

    Industry compliance standards

    • International Maritime Organization (IMO) Anti-Fouling Systems (AFS) Convention
    • U.S. Environmental Protection Agency (EPA) Section 18 and FIFRA for antifouling biocides
    • European Biocidal Products Regulation (EU BPR - Regulation 528/2012)
    • REACH SVHC Candidate List restrictions

    Typical usage ratio

    • Formulators typically blend at concentrations between 1% and 5% by weight of the total wet paint, adjusted based on vessel type and required service interval

    Downstream process integration

    • Integration during pigment dispersion and resin pre-mix stages before let down and final tinting
    • Thorough mixing to ensure distribution and avoid agglomeration

    Final product types

    • Antifouling hull coatings for ocean-going commercial ships
    • Specialty paints for fishing boats, offshore platforms, and floating apparatus
    • Marina and dry dock maintenance coatings

    2. Industrial Wood Preservation

    The product is used by timber preservation plants as an organotin-based fungicide to extend wood life under high moisture or soil contact conditions. Treatment processes employ it to prevent decay caused by fungi and marine borers, serving vital sectors such as marine piling and industrial woodwork. Application parameters are subject to strict national and regional health, environmental, and safety regulations governing preservatives in materials intended for public and industrial infrastructure.

    Industry compliance standards

    • North American Wood Preservers’ Association (AWPA) P5, P20 standards
    • EN 599-1:2009 European Standard for wood preservatives
    • U.S. EPA Registration for wood treatment chemicals
    • Japanese JIS K1571 standard

    Typical usage ratio

    • Treatment solution concentrations between 0.1% and 1% w/w
    • Final retentions in wood adjusted to 0.05–0.3 kg/m³, depending on exposure risk and local legal maximums

    Downstream process integration

    • Added to industrial timber treatment tanks, pressure vacuum impregnation, or thermal modification chambers
    • Monitored via spot-testing and bath strength verification per batch

    Final product types

    • Marine pilings and dock timbers
    • Railroad ties and crossbeams
    • Utility poles and outdoor construction lumber

    3. Industrial Cooling Water Systems Biocide

    Major industrial facility operators dose this substance into cooling tower recirculation circuits to control microbial growth and biofouling which can decrease heat exchange efficiency and promote corrosion. Usage must meet local discharge and effluent limits, and operators maintain strict records of dosing rates and residual levels to remain within regulatory compliance for environmental and worker safety standards.

    Industry compliance standards

    • U.S. EPA registration under FIFRA for water system use
    • EN 13623:2002 (Disinfectants and antiseptics, European standard)
    • International Organization for Standardization (ISO) 14001 for environmental management
    • National standards on wastewater discharge, such as U.S. Clean Water Act (NPDES permits)

    Typical usage ratio

    • Dosed at 0.5–3 ppm (mg/L) active ingredient, depending on biofouling severity, system holding capacity, and legal restrictions

    Downstream process integration

    • Continuous or slug-fed into central dosing points of closed recirculating cooling water loops
    • Monitored with online analytical instruments and periodic lab verification

    Final product types

    • Treated process cooling water for power stations, chemical plants, and large food manufacturing sites
    • Service water for building HVAC chillers

    4. Antifungal Additive for Industrial Polymeric Materials

    Manufacturers add this ingredient during compounding of polymeric materials requiring strong antifungal performance, such as flexible PVC items for water exposure or high-humidity environments. The selection and quantity depend on end-use application, extractables requirements, and local law on organotin stabilizer use in end-products that may contact potable water.

    Industry compliance standards

    • RoHS Directive (2011/65/EU) with restrictions on organotin content
    • REACH Annex XVII listing for tin compounds
    • UL 746C (Polymeric Materials—Use in Electrical Equipment)
    • GB/T 15555.3—China National Standard for polyvinyl chloride products

    Typical usage ratio

    • Incorporated at 0.2%–1.0% by weight based on polymer resin mass; value determined by expected service environment and regulatory maximums

    Downstream process integration

    • Added during melt blending, extrusion, or calendar operations before shaping materials into end-use forms
    • Uniform dispersion ensured by pre-mix with plasticizers and lubricants

    Final product types

    • Flexible PVC shower curtains, floorings, and wallpaper for commercial buildings
    • Extruded rubber conveyor belts and gaskets with antifungal features
    • Water-resistant industrial tarpaulins
    Free Quote

    Competitive Bis(Triphenyltin) Oxide prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Introducing Bis(Triphenyltin) Oxide: A Trusted Solution in Industrial Chemistry

    Our Direct Approach to Bis(Triphenyltin) Oxide Production

    Deep within the operations of our facility, Bis(Triphenyltin) oxide stands out as one of the more nuanced organotin compounds we produce. Every batch reflects choices we have made about raw materials, process parameters, and product purity. Chemists and process engineers working side by side oversee reactions between triphenyltin chloride and an oxidizing medium — in our case, reliable sources of oxygen and a neutral environment — monitoring temperature, pH, and crystalline growth. We recognize that the smallest deviation in these controls can influence not just yield, but the purity and physical performance of the output. The product emerges as an off-white to slightly beige powder, and our team inspects it with more than regulatory compliance in mind. We look for consistency in particle size and free-flowing texture because customers count on predictable mixing behavior and handling.

    Specifications Matter: What We Commit To

    Manufacturing Bis(Triphenyltin) oxide, with the formula (C6H5)3Sn2O, means more than following a recipe; it means working with quality in mind at every step. Our chemists use optical and chromatographic tests to confirm that triphenyltin content stays above 95 percent. Impurities — especially inorganic salts or organotin byproducts — must be kept to a minimum. As an experienced producer, we do not package anything until each lot passes moisture checks, melting point evaluation, and surface area analysis. For manufacturers who use it as a fungicide, those details are vital. Ultra-fine powder may bring higher reactivity, but also more dust control issues; coarse grains can clog granulation equipment. Our facility is one of very few able to adjust these parameters per project demand, within reason. Sharing sample records and batch certificates isn’t just good practice for us, it is an important part of our relationship with users who have seen what variability can do to a process.

    Real-World Uses: From Industrial Preservation to Advanced Materials

    Clients look to Bis(Triphenyltin) oxide for several reasons, but wood preservation remains the leading application. In our warehouse, the bulk of each month’s output ships to timber treatment operators, mainly in regions where humidity and fungi pose economic risks to homes, infrastructure, and crops. Through every cycle of lab and field testing, it consistently defeats fungal growth at concentrations much lower than many older organotin and copper-based chemicals. Shipping container fungus is another challenge that arises in humid coastal climates, and customs inspectors in these regions report fewer cases of wood decay in products treated with our compound.

    Plastic stabilizer producers also work with our Bis(Triphenyltin) oxide, seeking its tin-rich molecular structure for high-temperature vinyl formulations. Where lead stabilizers once dominated, pressure from regulatory agencies has forced a shift toward alternatives. Many have landed on organotin technology for its stability and performance, but only Bis(Triphenyltin) oxide offers the right balance between thermal protection and resistance to hydrolysis, with limited leaching during the long service life of flexible or rigid PVC. Our partners in cable insulation, pipe, and window frame industries send us detailed feedback on how even small adjustments to the product’s tin content can impact their extrusion or molding results. We listen closely — and keep documentation from every batch available for their review.

    Marine antifouling coatings represent a more technical segment where this product sees use. Traditional tributyltin compounds, now banned or restricted due to ecotoxicity, have left a gap in hull and net protection protocols. Formulation chemists who once relied on broad-spectrum biocides see in Bis(Triphenyltin) oxide a more targeted answer: it tackles both fouling invertebrates and key types of algae or fungi, while offering greater molecular stability and less leaching in seawater. This means lower run-off into harbors and better coating longevity. Our direct feedback from ship maintenance teams in Asia and Europe helps us tune the product for dispersibility and compatibility with epoxy or silicone-based resin systems.

    What Sets Our Bis(Triphenyltin) Oxide Apart

    Many in the industry ask how Bis(Triphenyltin) oxide compares to other organotins — and this is where our long view really counts. People once relied generically on triphenyltin acetate, tributyltin oxide, or even diphenyltin dichloride for similar end-uses. We’ve worked with all these compounds, either as a producer or in collaborative joint-product projects. Each brings a different mix of toxicity, persistence, and interaction with the treated substrate. For example, tributyltin oxide features strong biocidal power but its higher mobility, both in wood and water, leads to stricter use limitations, especially in Europe. Triphenyltin acetate dissolves more readily in certain binders, but users frequently report odor problems, discoloration, or compatibility issues with water-based systems.

    People choose Bis(Triphenyltin) oxide when longevity and stability top the list of requirements. It resists hydrolysis better than many organotin analogues. Direct comparative trials, both in the lab and field, show that treated wood samples retain protective tin content even after months of leaching — an outcome we repeatedly document for timber producers working in Southeast Asia and South America. Although it is not considered a low-toxicity alternative, its lower solubility in water brings some practical benefits to anyone required to meet environmental discharge controls. We see less run-off from wood yards and fewer downstream problems compared to some legacy fungicides.

    Versus non-tin preservatives, such as copper or quaternary ammonium compounds, Bis(Triphenyltin) oxide offers unique advantages for high-performance or critical duty wood. The tin atom, coupled with phenyl groups, brings dual biocidal and fungistatic action while avoiding some of the staining and corrosion challenges familiar to users of metallic salts. Paint and plastic formulators tell us they see less interaction with pigments and fillers, which means final products come out closer to their intended shade and structural performance.

    Commitment to Stewardship and Safety

    Operating as a chemical manufacturer means something different than moving boxes from warehouse to warehouse. Every drum or bag leaving our plant reflects a chain of choices about stewardship, compliance, and conversations with end-users. Over the years, we have worked with regulators and customers to implement real-time monitoring in our facility — not just for tin emissions, but for organic solvent residues, dust, and wastewater. Teams have learned to treat safety data as more than a paperwork task. On every shift, operators oversee ventilation, PPE compliance, and emergency flush systems. For many years now, we have hosted visiting engineers and company safety leads, walking them through each part of the process to raise confidence in what they’re buying.

    Many prospective customers approach us after visiting facilities elsewhere and finding wide disparities in product quality and packaging integrity. Some arrive with concerns born from industry headlines: cracked drums, unclear labeling, variable composition, or freight damaged by moisture ingress. We have made packaging a focus — moving to moisture-resistant multilayer bags or lined drums with one-way valves to keep product dry and untainted during transit. There is never room for compromise here, because humidity or contaminants make a direct impact on the chemical’s activity. We adapt lot-size and packaging format to the realities of local infrastructure: those shipping by barge receive stronger restraints and double-sealed containers, not out of formality, but out of direct discussion with logistics teams who have hauled our goods through rough waterways.

    Responsible Sourcing and Traceability

    Our raw material sourcing reflects constant dialogue with global suppliers. The supply chain for triphenyltin chloride, essential to Bis(Triphenyltin) oxide, offers fewer players than many popular base chemicals. We have cultivated long-term relationships with chloride and phenyl-feedstock producers, emphasizing contract stability, transparency in purity disclosures, and willingness to participate in independent audits. Fraudulent or adulterated organotin intermediates can ruin batches and introduce risks. We monitor every drum and tote on arrival, cross-referencing batch data with independent lab analyses, looking for signs of dilution, contamination, or fraudulent relabeling. Our clients get these records with each shipment because they rely on traceability transparency for process validation and compliance maneuvers.

    By talking directly with upstream partners about innovations in phenyl source chemistry and chloride production — for instance, using more efficient catalytic routes, or reducing byproduct formation — we influence outcome well before any reaction is started in our plant. Downstream, we deliver products with batch-level serialization and third-party certificate chains, removing ambiguity from regulatory and compliance filings.

    Feedback-Driven Improvements

    Customers who work with Bis(Triphenyltin) oxide value not just product performance, but also honest communication about its limitations. For industrial wood treatment, for example, we have responded to reports about uneven absorption in certain high-density species by partnering with application engineers on-site. Together, we adjust soaking times and flow-through protocols, and document the effect of variances in wood moisture and temperature. A pilot project with a large Southeast Asian timber operator led us to dial back certain additives in the wetting stage, which improved fungicide distribution by 12 percent. Reports like these get folded back into our manufacturing process, and often, we update all users with practical notes or revised guidelines.

    Plastic processors report issues unique to their operations: discoloration at high compounding temperatures, for example, or short-term clouding in clear and translucent PVC. In our trial lab, we attempted changes in tin speciation and granule morphology to reduce these issues, focusing on preserving compatibility with standard lubricants and co-stabilizers. Such adjustments are not always quick; sometimes, it takes several iterations and honest, face-to-face conversations with engineers on customer production lines to figure out the source of a problem. We maintain a record of these activities and treat them with the same attention as our compliance and quality logs.

    Environmental Responsibility and Regulatory Realities

    The conversation about organotin safety has changed in the last decade, especially across Europe, North America, and parts of Asia. We have seen stricter MRLs (maximum residue limits) announced without consultation and sometimes, sudden product restrictions based on public concern. We respond directly by prioritizing low-dust granulations, strict tin management, and investment in containment technology for our facility. Our local authorities carry out air and water discharge spot-checks, with results published for any partner or regulator. We have converted older process streams to closed-loop solvent and water recovery, reducing overall effluent by more than 40 percent since 2018.

    Our plant is located outside major population centers, chosen with full community consultation long before construction began. Odor, emissions, runoff, and logistics all get discussed with local governments and community panels each year. Independent environmental audits, required as part of national chemical regulatory frameworks, confirm our practices and results. With every ton of Bis(Triphenyltin) oxide shipped, we provide environmental fate and disposal instructions not as fine print, but as a core part of the commercial relationship.

    Building Trust With Real-World Data

    We have made a point to support independent research into the long-term effects and alternatives to organotin compounds. Partnerships with universities, trade groups, and environmental monitors help us produce field studies that show how Bis(Triphenyltin) oxide performs in real-world conditions, not just the idealized settings of laboratory testing. An ongoing five-year study with a South American forestry group compares treated woods in rainforest, savannah, river-adjacent, and urban environments, tracking fungal resistance, leaching rates, and downstream ecological impact. Interim results from these projects feed directly into our product development and regulatory advocacy.

    Fisheries regulators and port authorities get yearly updates from our marine coatings stakeholder group, which provides documented environmental monitoring for tin and phenyl residues in receiving waters. This level of transparency goes beyond sales; it builds practical trust with downstream industries that might inherit environmental liability.

    Addressing Industry Misconceptions and Realities

    Bis(Triphenyltin) oxide is not a plug-and-play drop-in for every biocide problem. Some see organotins as a generic class, but each compound’s toxicity, leaching, and binding behavior can differ widely. In our experience, small processors who experiment with off-brand substitutes or generic blends often contact us after facing failed preservative performance, coating separation, or unwanted odors in finished goods. The details — from particle size to tin content and binder compatibility — matter more than marketing pitches admit. It pays to work directly with a manufacturer aware of these practical, on-the-ground realities.

    Market shifts created by regulation and public pressure drive a constant churn of substitute products. Silicon-based preservatives and nitrogenous biocide blends have each gained market share, but we hear directly that they struggle in high-humidity, insect-prone, or high-saline settings where Bis(Triphenyltin) oxide continues to deliver reliable results. Users tell us about shorter product life, premature decay, or new maintenance issues when switching away without a full understanding of local climate, substrate, or process needs.

    Forward-Looking Solutions: Innovation Through Collaboration

    As a manufacturer, we rise each day knowing that chemistry is never static. We are actively invested in reducing the environmental impact of our Bis(Triphenyltin) oxide line by pursuing cleaner synthesis routes, experimenting with renewable feedstocks, and investigating ways to capture or reuse byproduct streams. Trial projects exploring solvent-free reaction techniques and novel catalysts have reduced process energy use and cut waste per batch. These changes grow from open feedback — both from our technical advisors and from customers reporting back with the difficulties and surprises of daily production or application.

    Partnership with our customers runs deeper than supply contracts. In the last two years, we have worked alongside several clients to build customized dosing or mixing solutions, integrating their input into both our factory processes and their field protocols. Automation in pigment blending and preservative dosing cuts waste, reduces worker exposure, and brings process results closer to target specifications. This is an ongoing journey, shaped by mutual feedback and the knowledge that real innovation happens at the intersection of process chemistry and field application.

    No Substitute for Direct Manufacturer Insight

    Years at the production end teach hard-won truths about blending regulatory needs, field realities, and chemistry. Those of us making Bis(Triphenyltin) oxide do not rely on distant market analysis or abstract research summaries. Our knowledge forms one conversation, batch, and field test at a time. The strengths of this compound — from its longevity in hostile environments to its compatibility with advanced material systems — all reflect direct experience, honest feedback, and field-based problem-solving.

    Industry knowledge passes not just through data sheets, but through trust and repeated collaboration — a phone call about a shipload in transit or an on-site visit to debug a formulation line. Each ton of product reflects constant negotiation between safety, performance, environmental responsibility, and real-world feedback. As a manufacturer, we embrace the evolving demands and scrutiny that come with producing Bis(Triphenyltin) oxide, keenly aware that our choices shape not just today’s results, but the future of the industries and communities we serve.