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HS Code |
636705 |
| Name | Tin Tetrachloride [Anhydrous] |
| Chemicalformula | SnCl4 |
| Molecularweight | 260.52 g/mol |
| Appearance | Colorless to pale yellow fuming liquid |
| Meltingpoint | -33 °C |
| Boilingpoint | 114 °C |
| Density | 2.226 g/cm³ (at 20 °C) |
| Solubilityinwater | Decomposes |
| Vaporpressure | 15.8 kPa (at 20 °C) |
| Casnumber | 7646-78-8 |
| Odor | Pungent, irritating |
| Refractiveindex | 1.639 (20 °C) |
| Flashpoint | Non-flammable |
As an accredited Tin Tetrachloride [Anhydrous] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Tin Tetrachloride [Anhydrous], 500 mL, is packaged in a sealed amber glass bottle with a secure screw cap for moisture protection. |
| Shipping | Tin Tetrachloride [Anhydrous] is shipped in tightly sealed containers, typically made of glass or corrosion-resistant metal, to prevent moisture contact and fuming. It is classified as a hazardous material, requiring labeling and handling in accordance with regulations. It should be transported in a cool, dry, and well-ventilated environment. |
| Storage | Tin Tetrachloride [Anhydrous] should be stored in a tightly sealed container, in a cool, dry, well-ventilated area, away from moisture and incompatible materials such as strong bases and oxidizers. Avoid contact with water, as it reacts violently to produce hydrochloric acid. Store in a corrosion-resistant container with a resistant inner liner to prevent leaks and contamination. |
Applications of Tin Tetrachloride [Anhydrous] in Industrial ManufacturingTin Tetrachloride [Anhydrous] serves as a key intermediate and catalyst in specific industrial fields. As a direct manufacturer, we supply this chemical to customers integrating it at critical stages within their downstream formulation and process flows. Below, we present main application scenarios highlighting compliance, usage, operational process, and end-product types. 1. Float Glass Surface TreatmentMajor glass manufacturers employ this material to create high-performance tin oxide coatings via chemical vapor deposition (CVD) on soda-lime and specialty glass. The material acts as the precursor in the online CVD process, controlling layer thickness, transparency, and conductivity. The process directly influences the performance of low-emissivity (Low-E), conductive, and reflective architectural glass. Inline dosing accuracy affects haze, clarity, and sheet resistance, with stringent quality control throughout the float production line. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Organotin Catalyst for Silicone and Polyurethane SynthesisSilicone elastomer and polyurethane resin producers utilize this substance as a Lewis acid catalyst for cross-linking and curing reactions. Controlled addition regulates polymer chain length and crosslink density, affecting flexibility, hardness, and cure time. Formulation engineers adjust dosage around filler and pigment concentrations, batch size, and process temperature, working within defined toxicological and process safety constraints. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Tin-Based Precursor for Electronic Grade Solder PowderThis material provides a direct tin source for powder metallurgy in high-purity solder production. Downstream, it undergoes hydrolysis and reduction to metallic tin for use in lead-free alloy formulations. Particle morphology and purity critical for solder joint performance in microelectronic assembly. Solder powder producers monitor contaminant levels closely per electronics industry guidelines to meet low-residue and wetting standards. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Raw Material for Tin-Containing Flame RetardantsThis chemical acts as a precursor for synthesizing organotin compounds utilized in the manufacture of halogen-free flame retardants. Producers convert it into organotin complexes that form stable bonds with polymers, imparting improved flame resistance with minimal impact on mechanical properties. Usage is tightly controlled to maintain performance while complying with fire safety and migration limits, especially for construction and wire insulation segments. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Intermediate for Manufacture of Tin-Based PVC StabilizersProducers in the polymer processing industry utilize this chemical as a base tin source for downstream synthesis of methyltin and butyltin stabilizers. These stabilizers act as heat and color protectants during high-temperature polyvinyl chloride extrusion. Tight control over stoichiometric conversion and impurity removal ensures compliance with current European and US standards for food-contact materials and potable water applications. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
6. Raw Material for Tin(IV) Fluoride Synthesis in Toothpaste and Dental VarnishSpecialty chemical manufacturers utilize this compound to synthesize tin(IV) fluoride, serving as an active ingredient in oral care products. The synthesized fluoride compound must meet controlled purity and heavy metal content levels per pharmacopoeia standards to comply with consumer health requirements. The process involves aqueous conversion and precipitation methods under validated manufacturing protocols. Industry compliance standards
Typical usage ratio
Downstream process integration
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In the world of specialty chemicals, tin tetrachloride anhydrous stands out as both a classic and a crucial material across several industries. At our plant, every batch is the result of stringent controls and lessons learned on the shop floor. Years of daily interaction with this compound leave an unmistakable appreciation for its behavior, strengths, and quirks.
Our facility operates with a deep familiarity with the production process. The quality of tin tetrachloride anhydrous depends directly on the purity of the starting metal and the precise management of temperature and moisture throughout synthesis. Any lapse will show itself later as discoloration, excess hydrolysis, or inconsistent reactivity. Workers learn to recognize subtle signals: a tone in the vents, a faint sharpness in the odor, even the way light plays through a final bottle. There is pride here in getting these details right, batch after batch.
Typically, our anhydrous tin tetrachloride forms as a water-clear to slightly yellowish fuming liquid, free-flowing due to extreme dryness. Water vapor anywhere along the line causes clouding and reduces value. This need for rigorous control has taught our workers discipline but also helps us offer reliable, repeatable product performance for users.
Buyers rarely ask about all the fine details on a specification sheet, but a couple of values keep coming up: purity, impurity profile, and water content. Industry-standard models land at SnCl4 content above 99.9 percent, with trace iron, lead, or organics held as low as practical. Analytical labs, coating plants, and pharmaceutical companies rely on those numbers. If the product runs out of spec even slightly, certain delicate reactions go out of control or catalyst beds foul up.
Our most common grade heads to electronics and pharmaceuticals, so works at a defined range for both main component strength and trace impurity cutoffs, especially iron, arsenic, and selenium. Consistent quality means less downtime and fewer rejected lots for users. Years of close work with customers have convinced us that accuracy and openness about actual tested values pay off much more than chasing ‘bragging rights’ on paper numbers or dismissing small, practical concerns.
Working with liquid tin tetrachloride feels less forgiving than many commodity chemicals. Its strong affinity for water means it fumes instantly in air, pulling in moisture and hydrolyzing to white, irritating clouds of tin(IV) oxide and hydrochloric acid. Every operator gets careful training on dry transfer technique, specialized fittings, and protective gear. A simple forgotten gasket or a misthreaded cap can waste a whole drum.
From hard-earned experience, sealed stainless drums with dry nitrogen pads remain the best answer for keeping product integrity up to delivery. In-house, we maintain low ambient humidity in storage and filling rooms, as even local spikes during monsoon or winter can spoil expensive inventory. End users in labs and factories will find value storing the product in smaller glass or PTFE-lined containers under inert gas after opening. We always recommend against makeshift containers or vented cabinets, since even short exposure brings in water, dropping product activity and risking corrosion.
Chemists in the lab might think first of classic syntheses: as a Lewis acid, tin tetrachloride anhydrous works as a powerful catalyst especially in Friedel–Crafts reactions, acylations, and condensation chemistries. Over the past decade, more requests come from manufacturers in electronics, particularly those working on ultra-pure tin oxide films for advanced glass, sensors, and touchscreens.
In our experience, coating specialists look for ultra-low trace metals and color to avoid pinholes or tint in films. On the pharmaceutical side, practitioners count on precision in every metric—one stray part per million of unwanted transition metal or moisture brings rejected synthesis lots, which really adds up for large-scale API runs. Others use tin tetrachloride as a base for organotin compounds, where clean conversion matters at every step. Our batch logs show the greatest volumes by far head to catalysts, glass coatings, and specialty polymer processes; in each, downstream consistency depends directly on the stability and purity of the precursor tin tetrachloride itself.
Practitioners sometimes confuse tin tetrachloride anhydrous with its hydrates or aqueous forms. The difference lies squarely in behavior and performance. In our plant, anhydrous means all water gets meticulously excluded both in raw material and final product—this guarantees full reactivity, no dilution, and no unexpected hydrolysis. Add even trace moisture, and you start seeing sub-par results, misplaced color, or weird polymerization.
Hydrated forms, even those calling themselves “semi-anhydrous”, offer easier, slightly safer handling, but sacrifice many of the powerful Lewis acid properties that strict organic synthesis or electronics manufacturing require. Customers using aqueous or stabilized solutions accept some handling convenience, but lose the strongest catalytic effects and run into issues with side reactions. We see most value for users at the full anhydrous grade when high-energy reactions, clear coatings, and thin film production matter most. For less demanding settings, like certain plating or basic glass work, hydrated or diluted forms might suffice, and we have long recommended those to clients who do not need every fraction of a percent in yield or brightness.
On our production floor, safety and waste management consume as much attention as the chemical itself. Strong fuming, high reactivity, and corrosion risk push us to build in extra layers of ventilation, double containment, and emergency response gear. Even with decades of experience, we train staff repeatedly on spill response and first aid because tin tetrachloride’s hazards persist from filling lines to transport docks.
Any accidental water introduction transforms liquid product into aerosols of hydrochloric acid and tin oxide, both tough on lungs and skin. We’ve learned to keep all lines, fittings, and sample containers absolutely dry and sealed, inspecting every batch for signs of breach or deterioration. Downstream users, especially those new to the material, benefit from the same level of vigilance we build into our own process. Our advice remains: never assume general chemical handling procedures will suffice—tin tetrachloride rewards careful attention but punishes shortcuts and assumptions.
We’ve also implemented closed-loop waste capture, sending reaction effluents for controlled neutralization and full environmental reporting. In the regions where most of our buyers operate, air emissions and liquid waste regulations grow tighter every year. Clients report inspections at every transfer, so practical advice on neutralization, containment, and incident reporting stays in high demand. We make it a point to share lessons and incident reviews from our own experience, believing that good relationships start with transparent handling of real-world risks. While regulatory paperwork can’t be avoided, taking safety seriously starts with well-made product and reliable advice.
From our side, purity claims mean little without backed analysis and reliable sampling. Over years of cooperation with critical users, we invested in tools like ICP-MS, high-sensitivity moisture analyzers, and full digital batch logs. This isn’t just window dressing: customer audits can walk on-site at any hour. Sourcing teams care deeply about certified lot data and full batch histories. Any claim we make about our tin tetrachloride’s purity gets matched by actual samples and traceable logs.
This transparency answers two big needs: legal compliance and on-the-ground problem solving. Pharmaceuticals and advanced electronics players especially want re-verifiable records to pass regulatory and internal QC checks. For research groups and scale-up pilot labs, quick sourcing of archived data and repeatable specs cut down costly troubleshooting. We often field calls from teams who uncover performance shifts, where shared data points directly to root causes—improved batch process, packaging updates, or force majeure events in the supply chain.
Raw materials rarely arrive perfect. Lower-grade tin sources carry higher traces of transition metals or oxides; unchecked, these sneak through to final product, disrupting delicate downstream processes. Our solution: source only from vetted suppliers, batch-test every shipment, and maintain slightly higher margins on purity than competitors. Years ago, these steps seemed excessive, but as clients’ technical needs and regional regulations increased, this approach proved necessary.
Humidity and packaging failures have ruined entire runs for less-experienced producers. Our crew tests every seal, from the major drum linings to the smallest squeeze vials. One missed inspection led to a major recall in the past—never again. Regular reviews, both internal and outside, keep us grounded in reality and maintain confidence with repeat clients. If a packaging issue ever emerges, real-time reporting and exchange take priority over slow or bureaucratic resolutions. No production line can afford to lose a whole drum or vessel to a storage misstep.
Last-mile delivery offers its own headaches. Trucks get rerouted, customs officials open drums, or temperature spikes hit at the wrong hour. Our team prepares for these realities with built-in temperature tracking and tamper indicators on every large shipment. If something goes wrong, we collaborate directly with end users, often sending technical staff for joint inspections and root cause analysis. Over time, these relationships ease worries and smoothen future deliveries.
Open feedback with buyers has steered much of our own process improvement. Electronics manufacturers often bring in their own problem samples and request small-batch customizations. This has driven us to offer tighter controls on metal traces and tailor fill sizes for easier integration on their side.
Glassmakers demand consistent delivery timeframes and transparency on spot shortages. Our approach now includes buffer stocks and clearly communicated lead times, even during global material crunches or logistics delays. This makes for less ‘surprise downtime’ that can haunt other supply chains. Over time, these adjustments save both us and our partners from headaches and unexpected costs.
Pharmaceutical chemists care deeply about documented impurity levels and chain-of-custody. To help, we provide secure sample logs and offer on-site visits and lot selections. This degree of openness builds trust, especially as client regulatory teams continue to ask new questions and regulations evolve.
A lot of manufacturers talk about purity, but from our perspective, daily consistency and support make a bigger difference over the long term. We never claim to be the absolute cheapest. Instead, our clients rely on our record of delivering what the process calls for, on spec, every time. This means more than numbers: it means confidence that each new drum or bottle performs the same way as the last.
We also often get requests for custom packaging or special lot certification requirements. Our crew responds directly, and someone from production or QC explains tradeoffs or options. Customers gain direct access to our actual plant, not a faceless distributor. This link pays off most when major projects or R&D pivots require fast responses and honest technical advice. Having plant-level insight available to every customer question allows people to make better, safer decisions at their own sites. For us, this direct accountability stands as our clearest competitive edge.
Year by year, both customers’ process demands and end-use markets shift. New electronics standards tighten specs for trace metals and particulates. Pharmaceutical regulators seek proof for every step, from tin sourcing all the way to container closure. Environmental agencies boost oversight and inspection frequency. Each trend pushes us to review and update processes, meaning more than just paperwork—it shapes the very way we make and deliver our products.
We expect calls for specialist grades—ultra-low iron, food-safe batches, or custom stabilization—to increase as more users push boundaries in electronics, catalysis, and health sciences. Each new project gives us a reason to refine technique and engage early with both existing and prospective clients. As more companies move their own audits in-house or deploy traceable digital controls, suppliers like us must step up to deliver thorough, honest, and timely support.
At the end of the day, our team’s experience running actual reactors, making actual deliveries, and solving real application problems shapes every aspect of our offering. We have learned that successful supply, at any scale, depends on a focus on product integrity, responsive support, and candid communications—not just high numbers on a tech sheet. Whether you work in specialty glass, advanced coatings, pharmaceuticals, or any of the dozens of fields that rely on tin tetrachloride anhydrous, count on us to act as partners, not just vendors.
