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HS Code |
483895 |
| Chemical Name | Tri-N-Butyltin Methoxide |
| Cas Number | 3006-95-7 |
| Molecular Formula | C13H30OSn |
| Molecular Weight | 345.09 |
| Appearance | Colorless to pale yellow liquid |
| Density | 1.106 g/mL at 25°C |
| Boiling Point | 91°C at 0.5 mmHg |
| Solubility | Reacts with water, soluble in organic solvents |
| Flash Point | 64°C |
| Purity | Typically ≥97% |
| Storage Temperature | Store at 2-8°C |
| Smiles | CCCC[Sn](OCH3)(CCCC)CCCC |
As an accredited Tri-N-Butyltin Methoxide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Tri-N-Butyltin Methoxide is packaged in a 100 mL amber glass bottle, securely sealed, and labeled with hazard warnings and handling instructions. |
| Shipping | Tri-N-Butyltin Methoxide is shipped in airtight, sealed containers to prevent moisture and air exposure, as it is sensitive to hydrolysis. Containers are clearly labeled, meet hazardous material regulations, and are handled with care. The product is transported under controlled conditions, often as a limited quantity, and accompanied by appropriate safety documentation. |
| Storage | Tri-N-Butyltin Methoxide should be stored in a cool, dry, well-ventilated area, away from moisture, acids, and incompatible substances. The container must be tightly sealed and kept under an inert atmosphere, such as nitrogen or argon, to prevent hydrolysis. It should be stored away from light and sources of ignition. Use only in fume hoods, and ensure proper labeling. |
Applications of Tri-N-Butyltin Methoxide in Industrial ManufacturingTri-N-Butyltin Methoxide supports multiple downstream manufacturing sectors due to its organotin functionality and catalytic properties. We supply high-purity material to global formulators operating in advanced polymer, coating, and silicone industries. Below we detail primary industrial use scenarios, technical implementation practices, and compliance responsibilities. 1. Polyurethane Catalyst for Specialty ElastomersProducers in the specialty elastomer segment apply this raw material as a selective catalyst, favoring the formation of stable urethane linkages within polyol and isocyanate systems. It accelerates polymerization, finely tunes molecular weight, and achieves low by-product footprints, making it essential for the manufacture of high-performance castable and microcellular polyurethane parts. Manufacturers integrate this compound in both batch and continuous reactors, achieving target crosslink density and mechanical profiles specified in automotive and engineering elastomers. Industry compliance standards
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2. Transesterification Catalyst in Silicone Polymer SynthesisSilicone fluid and resin manufacturers rely on this compound during the transesterification steps of methylsiloxane polymer production. It reacts selectively with silanol and alkoxy groups, promoting chain extension and controlling end-group distribution. Precise metering minimizes side reactions, essential for tailoring viscosity and terminal functionality in high-grade silicone oils and resins used in sealants, adhesives, and release agents. Industry compliance standards
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3. Intermediate for Organotin Stabilizer ManufactureLarge-scale PVC compounders and plasticizer producers utilize this chemical as a synthetic intermediate to produce mono-, di-, and tri-substituted organotin stabilizers. Through controlled methoxyl exchange and subsequent organotin diversification reactions, downstream companies manufacture stabilizers that protect polymers against heat-induced dehydrochlorination, providing clarity and processing stability during extrusion and calendaring. Industry compliance standards
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4. Functionalization Agent in Organic Synthesis of PharmaceuticalsResearch-driven and commercial-scale pharma manufacturers utilize Tri-N-Butyltin Methoxide to introduce specific organotin substituents during organic synthesis. It acts as both a reagent and catalyst for the stannylation of aryl, vinyl, and alkynyl halides, which are precursors for major medicinal intermediates. The compound enables robust carbon–tin bond formation under mild conditions, supporting downstream cross-coupling reactions in high-value active pharmaceutical ingredient (API) synthesis. Industry compliance standards
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5. Crosslinking Agent in Advanced Coating Resin ManufactureIndustrial coating resin producers employ this organotin methoxide as a targeted crosslinker, particularly in the synthesis of high-durability alkyd and polyester resins. It facilitates alcoholysis and polycondensation reactions, improving film hardness, weatherability, and chemical resistance. Resin formulators gain precise control over crosslink density and molecular weight distribution by adjusting addition sequence and process temperature, meeting strict technical finish and application standards required in heavy-duty industrial coatings. Industry compliance standards
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Standing in the heart of our chemical plant, you witness how the right reagents shape entire industries. Tri-N-Butyltin Methoxide does more than fill a drum or a flask. It changes reaction pathways and opens doors to transformations that nothing else achieves quite the same way. Every batch, every reaction, every customer test run reflects lessons learned over decades of hands-on production and troubleshooting. We don’t just make this chemical — we live its challenges and possibilities every day.
Tri-N-Butyltin Methoxide emerges from a process that demands control, cleanliness and true commitment to detail. Purity is the headline. For technical and laboratory clients, we produce a clear, pale yellow to colorless liquid with purity no less than 97% by GC. Methanol content rarely exceeds 2%. Impurities get tracked to the parts-per-million. Physical properties matter: boiling point hovers near 160°C, viscosity stays low for convenient transfer, density is consistent batch-to-batch. Moisture and air cause rapid hydrolysis — something you can taste in the air and smell on your gloves at the drum filling station. For this reason, our process eliminates water and packs under inert gas for as little degradation as possible before it reaches your site.
Many clients come to us after struggling to source reagents with the right consistency. Variations in color, smell, and reactivity mean headaches on the synthesis bench and unpredictable yields. We keep our reactors running under tight controls and sample before every filling run, so surprises are rare. Factory-grade monitoring, not just routine sampling, means we catch process upsets and off-spec production before material can enter distribution.
For a chemist, certain reactions only run with Tri-N-Butyltin Methoxide. It acts as a methylating agent, an alkoxide source, and a functional group transfer tool that non-tin reagents can’t match for selectivity. Organotin compounds — rightly subject to scrutiny — transform the reactivity map of organic synthesis. In our own scale-up lab, we use it to prepare esters, ether derivatives, and as a catalyst in certain polymerizations. Academic teams chase subtlety; process engineers care about throughput and yield. Both find middle ground with this compound for speed, conversion, and fewer byproducts.
Some manufacturers handle only small volumes under ultra-clean conditions, thinking boutique batches solve scale-up headaches. On the contrary: large-batch production exposes the molecule’s quirks. For Tri-N-Butyltin Methoxide, disproportionation during storage introduces n-butylstannic oxide impurities, especially when inert gas protections slip. Years of plant-scale production have taught us that rigid dry conditions and rapid bottling, not just clean glassware, lead to material customers trust for six months or longer.
People sometimes ask why choose Tri-N-Butyltin Methoxide over related compounds like tri-n-butyltin chloride, acetate, or hydroxide. From our vantage point, the reasons come down to reactivity and byproduct profiles. The methoxide releases methanol upon hydrolysis — a volatile, fast-evaporating alcohol — which simplifies downstream purification versus chloride salts. In alkylation reactions, its higher nucleophilicity (compared to chloride or acetate counterparts) opens routes blocked to less reactive derivatives.
Tri-n-butyltin chloride, for example, dominates the pesticide and biocide markets because of its strong tin-halide bonds and established toxicological profiles, but this variant fails in methylation or transesterification reactions where oxygen coordination is key. Those who run reactions at scale appreciate that the methoxide drives clean conversions without introducing heavy halide burdens into the waste stream. For specialty polymers or pharmaceutical precursors, methoxide’s profile translates into more manageable post-reaction workups, especially for teams looking to lower environmental impact.
Handling experience speaks louder than data tables. We’ve drained, pumped, and sampled every commercial tri-n-butyltin derivative and their off-odors, corrosivity, and visible hydrolysis marks tell the story. Methoxide stands out for a milder smell and resistance to discoloration, provided air and moisture controls stay tight. In our filling halls, we see fewer corrosion issues on process hardware with methoxide than with the chloride or acetate grades. That's less downtime, safer line changeovers, and lower maintenance bills — practical details customers only recognize after years of repeated orders.
No honest commentary about Tri-N-Butyltin Methoxide sidesteps its risks. This isn’t a workshop chemical for students or amateurs. Regulatory scrutiny lands hard on organotin reagents, and we face routine audits, strict waste-handling protocols, and emissions controls. Our site operators receive specialized hazmat training; pumps and gaskets get checked and rechecked for leaks; emergency containment plans exist for every tank. We dictate this discipline not for compliance but because firsthand knowledge — the rash on an ungloved wrist, the acrid taste in the air — lingers longer than any SDS warning.
Customers sometimes underestimate the speed at which this reagent grabs atmospheric water and CO2. Open a drum on a humid day, and you’ll notice crust on the inside rim soon after. This solid is tin oxide — a brick in waste dumps and a headache in reactors. It pays to connect our drums directly to reactors using dry transfer lines. Nitrogen purge, fast transfer, dry labs: these habits keep the material working as designed. In bulk operations, losses add up. We encourage direct communication between our field engineers and client site teams to troubleshoot filling and transfer instead of relying on written instructions.
Tri-N-Butyltin Methoxide does not see the mass demand of more common catalysts or Lewis acids. Specialist applications sustain this material — especially in fine chemicals, pharma, and polymer research plants where cost-per-gram matters less than value delivered per reaction. We see most repeat demand from groups pushing molecular boundaries or upscaling new production routes. As plant operators, we get real-time feedback on performance from field engineers and chemists commissioning new synthesis routes.
In the past five years, we’ve witnessed small startups and university spin-offs turning to this reagent for advanced materials, OLED precursor synthesis, and asymmetric catalysis research. Some research groups appreciate the gentle conditions methoxide allows, enabling temperature-sensitive transformations where excess heat or strong acids would kill product yield. For older processes, substitution from chloride or acetate to methoxide simplifies wastewater streams and accelerates post-reaction cleanup, reducing utility and labor costs for cleanup and compliance.
Our experience running synthesis batches and troubleshooting onsite gives us a clear insight into what “good” Tri-N-Butyltin Methoxide looks and smells like. Specifications guide us, but our QC technicians hold every drum against the light, test for haze, measure for free acid content, and log every abnormality. If a batch shows slight discoloration, we don’t ship. If a reactor run begins to build pressure or develop an unexpected odor, the shift supervisor stops transfer until a manager clears the line.
Lot traceability, down to the shift, raw tin ingot batch, and methanol source, offers transparency. Years of serving audit-heavy clients in regulated industries trained us to never scrape the bottom of a tank or blend off-grade product into the main stream. If a client calls six months after delivery complaining about haze, we can track back to the shift, the weather that day, and the operator’s name. This discipline protects both our reputation and the customer’s process economics.
The debate about organotins and their environmental impact remains intense. We face real-world implications: solvent recovery systems, hazardous waste incinerators, and closed-loop handling streams consume significant site resources. For every kilogram shipped, we match it with plans for responsible end-of-life disposal. Onsite, any spill triggers alarms and cleanup protocols that most facilities reserve for catastrophic release events. At the customer’s site, we provide detailed guidance on deactivation, tin removal, and compliant wastewater handling.
Production and handling improvements stem from incidents, not ideals. In the mid-2000s, a ruptured transfer hose cost us two days of downtime and a month of paperwork. From that event, we redesigned transfer points and now double-check critical joins on every fill. Every operator working with Tri-N-Butyltin Methoxide recognizes the toxicity risk, but also the necessity for tight container closures, labeled segregation, and regular, unscheduled inspections.
Most chemicals don’t care how far they travel. Tri-N-Butyltin Methoxide does. Moisture ingress during ocean shipping, jostling on train cars, temperature swings inside containers — all affect stability and shelf life. We learned early that triple-sealed, nitrogen-padded drums survive coast-to-coast journeys, while vented or one-time-use containers leak, crust, and degrade process yield. Customers in tropical climates report more rapid formation of tin oxides unless storage rooms stay dry and cool. For this reason, we coordinate logistics by forecast, not just by order, preferring direct shipment to final users over slower, multi-stop warehouse routing.
Supply disruptions anywhere along the methanol, tin, or packaging chain ripple to end users. We maintain in-house buffer stock and keep relationships active with specialty packaging makers that can deliver on short notice. Local regulations, especially around organotin imports, tighten every year. Our compliance team devotes time to monitoring new transport guidelines and customs requirements to avoid shipment delays that can idle an entire customer plant. Long-standing connections with freight handlers and port authorities remain critical — relationships you build over years of clear, timely deliveries.
Chemistry doesn’t end after the sale. Field failures, low yields, gelled drums, or unexpected cross-reactions can cost clients days or weeks at production scale. We offer direct post-sale technical support every week, connecting plant managers with our senior chemists or QC team to resolve issues with inconsistent batches, off-odor product, or tough cleanup cycles. Many of our client labs have walked through process upgrades after debriefing incidents or troubleshooting calls with our engineers. These relationships grow because we acknowledge the complexity of real factories, not just idealized lab-scale setups.
Long experience has taught us to share best practices for storage, transfer, cleanup, and monitoring. We host regular workshops on material compatibility — the wrong valve type can contaminate a tank — and process safety, pointing out the weak spots in handling procedures skipped under production pressure. Over time, these proactive steps limit downtime and extend the working life of client installations. In turn, we gather practical feedback that refines our process: adjusting fill rates, revalidating shelf life data, investing in improved packaging to match evolving safety codes.
Market trends may ebb and flow, but the essential role of reactive tin alkoxides remains firm for high-value syntheses. R&D teams worldwide continue to discover selectivities and shortcuts unlocked by Tri-N-Butyltin Methoxide. We invest in collaborations with academic labs and commercial research centers to trial greener alternatives to older, higher-polluting butyltin systems — working toward more contained process loops or catalyst recycling approaches that reduce overall tin discharge. Through pilot plants and on-site runs, we obsessively collect performance data to guide continual quality improvement.
Sustainable chemistries won’t eliminate organotins overnight; the molecular specificity and process efficiencies offered remain hard to beat for certain transformations. So our process engineers push innovations in containment, recovery, and waste neutralization as much as in core synthesis. Each year yields new improvements to fume extraction and filtration, new lining materials for storage tanks, better airlocks for drum filling rooms. Our commitment isn’t just to regulatory compliance; it’s to supplying customers a working solution that won’t become a future liability for their operations or communities.
Tri-N-Butyltin Methoxide shows its true colors not at the analyzer bench but in the noise and sweat of a living plant. We’ve stood in front of reactors at 2 a.m. debugging unexpected reactivity, replaced burst lines, and retested off-spec batches ourselves instead of shunting the job to contract troubleshooters. Experience has shaped every standard we use, from drum design to solvent choice. If you call with a problem, you get a real answer from someone who has handled the material and not just read a spec sheet.
We emphasize hands-on customer service, not off-the-shelf advice. Every change in raw material sourcing, every tweak in packaging or process, traces back to actual plant and lab feedback — open, sometimes blunt, always results-oriented. We don’t see Tri-N-Butyltin Methoxide as just a line item on a catalog but as a living tool for process chemistry. Supply stability, quality transparency, and technical openness define our work in this specialized corner of the chemical industry.
Tri-N-Butyltin Methoxide brings out both the best and the most demanding sides of chemical manufacturing. It rewards disciplined process, hands-on troubleshooting, and deep knowledge of risks and benefits. We continue refining performance, safety, and support to ensure the compound arrives at your site performing as expected, helping researchers break new ground and keeping production lines running lean, clean, and predictable. We keep the conversation open, welcome challenges, and stand behind every drum with the know-how only a committed manufacturer can bring.