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HS Code |
372499 |
| Chemical Name | Antimony Trifluoride |
| Chemical Formula | SbF3 |
| Molar Mass | 178.76 g/mol |
| Appearance | White to gray crystalline solid |
| Odor | Odorless |
| Melting Point | 292 °C |
| Boiling Point | 383 °C |
| Density | 4.10 g/cm³ |
| Solubility In Water | Moderately soluble |
| Cas Number | 7783-56-4 |
| Ph Aqueous Solution | Acidic |
| Refractive Index | 1.600 |
| Vapor Pressure | 0.52 mmHg (at 25 °C) |
| Flash Point | Non-flammable |
| Ec Number | 232-009-9 |
As an accredited Antimony Trifluoride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Antimony Trifluoride, 500g, is packed in a tightly sealed, labeled HDPE bottle with hazard warnings and secure screw cap closure. |
| Shipping | Antimony Trifluoride should be shipped in tightly sealed containers made of compatible materials, protected from moisture and acids. It must be labeled as a toxic and corrosive substance, conforming to applicable transport regulations (UN 1732). Store and transport in a cool, dry place, away from incompatible substances, and ensure proper ventilation. |
| Storage | Antimony trifluoride should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from moisture and incompatible substances such as strong acids and oxidizing agents. Use containers made from materials resistant to fluoride corrosion. Proper labeling and secure storage are essential, and access should be restricted to trained personnel, using appropriate personal protective equipment. |
Applications of Antimony Trifluoride in Industrial ManufacturingAs a direct manufacturer, we supply antimony trifluoride to specialized sectors that require precise functionality in their chemical processes. Below are key downstream industrial applications with detailed compliance, ratio, integration, and final product insights. 1. Fluorination Agent in Organofluorine SynthesisThe pharmaceutical and agrochemical industries rely on antimony trifluoride as a crucial fluorinating agent for the conversion of carbonyl, hydroxyl, and halide functional groups into organofluorine compounds. This step is essential in the formation of agrochemical intermediates and active pharmaceutical ingredients, where its capability to introduce fluorine atoms in a controlled manner ensures batch consistency and high yield under strict process parameters. Our supplied material has consistently supported manufacturers maintaining fluorine specifications critical to end-use molecule performance. Industry compliance standards
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2. Catalyst in Hydrofluorination for Refrigerant PrecursorsManufacturers in the refrigerants industry process raw chlorocarbons into fluorocarbons using antimony trifluoride as a selective hydrofluorination catalyst. It specifically supports the production of hydrofluorocarbon intermediates used in the composition of refrigerant gases like HFC-134a, contributing to lower environmental impact over legacy formulations. Process engineers apply strict controls on catalyst dosage and recycling to align with industrial gas purity and sustainability targets. Industry compliance standards
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3. Specialty Glass and Enamel ManufacturingProducers of opal glass and specialty enamels use antimony trifluoride to influence the physical and optical properties in the final melt. It acts as both a flux and a refining additive, modifying glass viscosity and imparting controlled opacity without introducing coloring effects. Glass and ceramic processors achieve product consistency by monitoring additive input and furnace atmosphere, as excess can affect chemical durability. Industry compliance standards
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4. Chemical Intermediate for Inorganic FluoridesProducers synthesize high-purity inorganic fluorides by reacting antimony trifluoride with various halide precursors. These inorganic fluorides serve diverse roles, including glass production additives, fluxes for non-ferrous metallurgy, and precursors in aluminum electrolysis. Process control during the halide-to-fluoride conversion determines fluoride yield and contaminant profile, meeting sector-specific quality demands. Industry compliance standards
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5. Mordant in Dyeing and Textile FinishingTextile manufacturers exploit antimony trifluoride’s role as a mordant to increase dye uptake on synthetic fibers and improve fastness, especially when formulating for fluorinated textile finishes. It participates in bath formulations where accurate control of concentration and exposure time is necessary to avoid fiber degradation and maintain textile quality certification standards. Industry compliance standards
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6. Etchant in Electronics ManufacturingFabricators of semiconductors and specialized electronic circuits utilize antimony trifluoride solutions for selective etching of glass, silica, and certain ceramic substrates. The controlled etching process creates micro-patterns required for circuits, with precise ratio and timing essential to prevent substrate weakening or dimensional inaccuracy. Regular in-process analytical control ensures both operator safety and product performance, aligning with the electronics sector’s stringent cleanroom and trace residue specifications. Industry compliance standards
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Antimony trifluoride, sometimes simply called Swarts’ reagent, earns a key place on the chemical industry’s periodic table of essentials. Our operation has handled this compound from the days when glass-lined kettles were considered a groundbreaking advance. Every process run, every drum packed, teaches lessons you won’t find in textbooks. Hands-on experience reveals each quirk of how antimony, fluorine, and their controls behave at real production scale.
Our product—model SBTF-99—offers a minimum purity of 99.0%. We check this with each new batch by using robust, calibrated spectrophotometers with skilled operators at the helm. The right purity, free from excessive impurities like arsenic, sulfur, or lead, reduces reprocessing and results in a solid yield for the customer.
Beyond numbers and certificates, the physical character of our antimony trifluoride stands out. Every lot leaves our facility as a crisp, white or slightly grayish crystalline powder. Some competitors push out moist or lumpy product, but we believe in consistent particle size and free-flowing handling because the downstream results depend on it. Caking invites both waste and frustration in production lines.
You’ll rarely find this compound sitting idle in a warehouse. Fluorination chemists reach for antimony trifluoride as a reliable fluorinating agent for organic intermediates. The Swarts reaction—our daily bread and butter—relies on this very material to swap hydrogen or chlorine atoms for fluorine, laying the foundation for fluorinated pharmaceuticals, agrochemicals, and advanced materials. From polytetrafluoroethylene (PTFE) production to fluorinated aromatics, any deviation in reactivity or impurity profile triggers headaches down the line.
Glass and ceramics makers ask about antimony trifluoride as a refining and opacifying agent. The product’s solubility profiles, melting point, and even its ability to deliver the right ionic character make a tangible difference in color and translucency batches. Analytical chemists and metallurgists use it in specialized gravimetric methods, reagent blends, and sintering operations. A steady supply—delivered fresh, as per spec—helps keep their lines moving and analytics repeatable.
There’s no shortcut to top-tier antimony trifluoride. For us, it starts with sourcing stibnite ore or processed antimony oxide of guaranteed composition. Our reactors run under controlled conditions, drawing from hydrous hydrofluoric acid, to ensure optimal conversion and minimal exothermic risks. We’ve learned that subtle tweaks in agitation, temperature ramp, and moisture control reflect in the purity and quality of the finished product.
Are there risks if you forget these fundamentals? Certainly. Insufficiently dried product or uncontrolled crystallization can leave residual acidity or metallic impurities, sometimes missed by a casual glance but exposed by later batch failures. So, every operator in our plant treats the material as if it’s heading directly into a customer’s final reactor charge—because it probably is.
Waste minimization factors into our process too. We run off-gas treatment through redundant scrubbers, parallel analytical streams check for fluoride emissions, and our packaging line keeps the material bone dry in air-tight drums. What sounds like routine compliance becomes an edge after years of fine-tuning. Fewer lost batches, fewer regulatory headaches, less end-user downtime.
Anyone can read off the melting point (around 292°C), the density, or basic solubility data from a database. The difference starts to show up in large-scale mixing tanks in plants where humidity, temperature swings, and raw material inconsistencies add surprise variables. From day one, we test run samples against both the current-theoretical “best case” and the real-world worst case, because customers rarely operate in research-lab conditions.
Pick up a drum of SBTF-99 and you’ll notice the absence of “off” odors, no visible moisture pockets, and no stuck granules. That’s not marketing—it’s an outcome of careful drying, controlled filling, and robust drum sealing. The smallest deviation in material handling can alter how the product disperses or reacts—experienced process engineers in need of even, predictable outcomes look for precisely these qualities.
A customer once reported gassing issues on a redesigned PTFE monomer line. The culprit wasn’t equipment, it was trace moisture and a marginal impurity spike in antimony trifluoride. We sent technical support to sample their drums, ran parallel bench tests, and fine-tuned our crystalline drying method. The problem faded, and yield numbers climbed. A near-perfect batch tells a story of hundreds of subtle corrections, from powder storage conditions to lot-to-lot traceability.
Questions often come in about alternatives like antimony pentafluoride or even other non-antimony fluorinating agents. While pentafluoride earns a place in specialty synthetic work, its volatility, toxicity, and handling complexity set a higher operational risk profile. Antimony trifluoride, on the other hand, offers manageable vapor pressures under standard plant conditions, allowing for safer drum storage and measured dosing with well-known PPE protocols.
Some new chemistries try using HF directly or tap into metal fluoride blends. Those options may appear cheaper or simpler until production scaling exposes their pitfalls. With direct HF, the risk of corrosion and unplanned exotherms climbs. Mixed metal blends can create non-uniform results and introduce undesirable cations, depending on the carrier and byproducts present. Customers report inconsistent conversion rates, color shifts in ceramics, or batch-to-batch yield drift. Technicians trained in traditional antimony trifluoride processes see more predictable fluorination patterns and cleaner downstream separations.
Our field isn’t immune to scrutiny—from regulators, from nearby communities, or from long-term customers looking to prove reliability and responsibility. Each drum of antimony trifluoride passes through multiple QA/QC steps, including heavy metal screens and residual acidity tests. Process improvements don’t just cut production bottlenecks—they reduce waste and accidental releases. Operators train not only on reaction control, but on safe material transfers, real-case incident responses, and preventive maintenance on storerooms.
As fluorine supplies and global antimony reserves tighten, sustainable sourcing moves from buzzword to daily challenge. We scrutinize every incoming shipment back to the mine level, verifying both purity and ethics—child labor, unsafe working conditions, or rogue mining show up fast in the bulk chemicals sector. Strong supplier partnerships—sometimes lasting decades—anchor our supply chain.
Our customers often share their own environmental and regulatory audits with us. The feedback loop runs both ways. Innovations in closed-loop systems, improved reactor design, and more energy-efficient drying got their start from field-level suggestions. One global customer implemented smarter vent handling after joint data reviews with our technical team—years later, their own clients notice tighter batch consistency and better site air quality.
Each year brings market shocks, whether it’s new environmental rules or unexpected price swings in antimony feedstocks. We keep a close eye on global antimony production—China, Russia, Bolivia, and others—because their output shapes our own cost curves. Prices fluctuate, but the demand for clean, precisely characterized trifluoride stays steady. Chemical manufacturers making specialty fluorochemicals depend on reliable volumes for just-in-time processes. Emergency airfreights and patchwork supplier networks eat into margins and shake up reliability; experience taught us that transparency with long-term partners matters more than chasing spot market deals.
Workers inside our plant know the realities: quality isn’t an abstract marketing campaign, it comes from daily discipline. Every valve, every blending sequence, every loading and unloading step—if overlooked—can undermine a customer’s synthesis or result in regulatory blowback for everyone in the chain. So, we focus on continuous training, easy-to-read batch records, and rapid response to on-site technical issues.
The toolkit for antimony trifluoride continues to broaden. Emerging work in specialty polymers, high-performance coatings, and electronics manufacturing asks even more from our product—tighter impurity thresholds, higher purity, and new physical forms. Rather than sitting on a standard spec, we work with process chemists to produce material tailored for critical, high-purity applications. Sometimes that means switching drying sequences, occasionally it calls for micro-granule screening.
We’ve partnered with R&D teams to troubleshoot everything from reaction bottlenecks to effluent polishing. Every time someone gets a higher-yielding fluorination step or a more reliable glass component, we share in that win. Customer site visits, plant walkthroughs, and open-door dialogue drive our incremental improvements.
Not all learnings come from controlled trials. In one field case, a long-standing user of a domestic trifluoride source switched to an overseas provider, seeking cost savings. The result—a gradual uptick in batch outages tied to contaminant spikes. Together, we compared impurity fingerprints and ran side-by-side reactions. They returned to our material, favoring the familiarity and reliability of traceability that came from a supplier with deep process control and user experience.
Some chemicals look nearly identical on a spec sheet, but plant-level results unravel the real story. The antimony trifluoride we produce comes with robust, traceable pedigree and shows up ready for real-world challenges. No batch ships out without human review, hands-on material checks, and multiple sign-offs.
We handle thousands of kilograms a month, and every drum reflects years of process control—smooth particle structure, low dusting, quick dispersibility, and easily verifiable purity. From high-fluorine output in organics to optically critical glass, chemists and plant operators tell us they notice the difference. Raw specs remain necessary, but experience, responsiveness, and unrelenting QA close the gap between lab promise and plant success.
Antimony trifluoride has a long, pivotal role in the chemical landscape, but that doesn’t mean the processes or products stay frozen in time. We listen when customers ask for innovations—a lower-dust alternative, a sealed bulk tote, or a next-level impurity guarantee. It’s the feet-on-the-ground expertise, more than any web listing or catalog, that guides our investments and improvements.
Down the line, energy efficiency, closed emissions, and circular economy concerns will keep shaping the way antimony trifluoride is produced and delivered. Each production run builds on the last, making subtle but significant adjustments. By weaving decades of daily hands-on work with input from the industry’s toughest chemists, we continue earning trust—and orders—batch after batch.
The antimony trifluoride story, for us, remains a record of the years spent perfecting each step, listening to field results, and never assuming that “good enough” truly is. We value the questions, the challenges, and the hands-on demands that push this product to keep evolving—because reliable outcomes in your own reactors depend on it.
