|
HS Code |
748615 |
| Chemical Formula | TlSH |
| Molar Mass | 241.48 g/mol |
| Appearance | Yellow solid |
| Density | 7.44 g/cm³ |
| Melting Point | 166°C |
| Boiling Point | Decomposes |
| Solubility In Water | Slightly soluble |
| Cas Number | 1326-38-3 |
| Structure Type | Monoclinic |
| Toxicity | Highly toxic |
| Main Uses | Analytical chemistry |
| Odour | Odourless |
| Stability | Stable under normal conditions |
| Hazard Classification | Acute Toxicity (Oral) |
As an accredited Thiolthallium factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Thiolthallium, 25g, supplied in a tightly sealed amber glass bottle with hazard labels, polypropylene screw cap, and secondary protective packaging. |
| Shipping | Thiolthallium should be shipped in tightly sealed, chemical-resistant containers to prevent leakage, following all applicable hazardous material regulations. It must be clearly labeled, packed with appropriate cushioning, and kept away from heat or incompatible substances. Transport should comply with local, national, and international guidelines for toxic and environmentally hazardous chemicals. |
| Storage | **Thiolthallium** should be stored in a tightly sealed container, protected from light and moisture, and kept in a cool, dry, well-ventilated area. It should be isolated from oxidizing agents, acids, and bases. Proper labeling is essential due to its high toxicity. Use secondary containment to prevent leaks, and ensure appropriate signage and emergency procedures are in place. |
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Purity 99.8%: Thiolthallium Purity 99.8% is used in semiconductor fabrication, where high-purity materials ensure minimal electronic defects. Particle Size 1-3 µm: Thiolthallium Particle Size 1-3 µm is used in catalyst preparation, where uniform particle distribution enhances reaction efficiency. Melting Point 154°C: Thiolthallium Melting Point 154°C is used in low-temperature alloy synthesis, where controlled melting ensures homogeneous alloy formation. Viscosity Grade 20 mPa·s: Thiolthallium Viscosity Grade 20 mPa·s is used in conductive ink formulations, where precise viscosity improves printability and line resolution. Molecular Weight 289.45 g/mol: Thiolthallium Molecular Weight 289.45 g/mol is used in chemical sensor manufacturing, where consistent molecular mass optimizes detection sensitivity. Stability Temperature 200°C: Thiolthallium Stability Temperature 200°C is used in advanced coatings, where thermal stability maintains coating integrity under high-heat conditions. Solubility in Methanol 35 g/L: Thiolthallium Solubility in Methanol 35 g/L is used in pharmaceutical intermediate synthesis, where high solubility enables efficient processing. Electrical Conductivity 5.7 S/cm: Thiolthallium Electrical Conductivity 5.7 S/cm is used in electrode material engineering, where superior conductivity enhances device performance. Refractive Index 1.55: Thiolthallium Refractive Index 1.55 is used in optical component fabrication, where precise refractive properties enable accurate light manipulation. Storage Stability 18 months: Thiolthallium Storage Stability 18 months is used in long-term material inventory, where extended shelf life reduces material waste and cost. |
Competitive Thiolthallium prices that fit your budget—flexible terms and customized quotes for every order.
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Thiolthallium is a specialty compound we’ve spent years perfecting. Since starting synthesis on the shop floor, our focus has always been on achieving reproducibility, safety, and purity. Drawing from repeated bench trials and countless analyses, each batch leaves our reactors under close inspection, every characteristic logged in the lab. As most chemists know, working with thallium-based materials demands a strict control culture — a commitment built from daily experience, not from distant observation.
At a glance, Thiolthallium stands out by including an organic thiol group directly bonded to thallium. Organic chemists who deal with organometallic intermediates will recognize the significance: the thiol function introduces a reactive sulfur atom, so the material often functions as a transfer reagent or participates in special coupling reactions. Many of our customers use it in processes involving selective metal-sulfur interaction, or as a flux agent in refining or odd-corner applications in organic synthesis. Unlike the generic thallium(I) or thallium(III) salts, this product possesses both the chemical selectivity of a thiol and the characteristic density and reactivity that defines thallium chemistry.
From early lab experiments, we saw that Thiolthallium could replace less stable organosulfur reagents, especially where high reactivity is crucial but so is predictability. For example, several colleagues in pharmaceutical R&D—after evaluating dozens of sulfur-based agents—landed on this compound for its reproducibility in sulfenylation steps. They reported clean, fast reactions with minimal byproduct. Our partners in analytical chemistry have commented on its predictable response in mass spectrometry calibration and as a reference in sulfur detection protocols.
Unlike thallium acetate or chloride, which are often handled as general thallium sources or mild oxidants, Thiolthallium plays more specialized roles. Laboratory staff repeatedly come back to its solubility in a range of organic solvents; there’s less clumping, as the compound forms crystalline powder and maintains flow. Handling becomes straightforward because of this morphology — an often overlooked but vital nuance when scaling up from glassware to kilo-lab. When packaging, our team noticed moisture sensitivity but have found that inert gas exchange during bottling maintains the product’s integrity without excessive cost or engineering headache.
Manufacturing thallium compounds safely is a hands-on game. We’ve built our protocols from repeated handling under Fume Hood 4, seeing how dust particles travel and how vapors behave during reaction workup. Thiolthallium, like all thallium sources, comes with a high toxicity profile—none of us in the factory or QC lab take that for granted. Our workflow covers double-gloving, periodic blood thallium monitoring for staff, and rigorous air monitoring within the reactor suites. We only work with the highest purity raw materials; this reduces not only unwanted side reactions (which we track batch to batch) but also accidental impurities that could complicate user processes down the chain.
Years ago, contamination issues with a non-thiol thallium product led us back to basic process mapping. Cross-examination of how even trace levels of heavy metals or organic residues could impact a sensitive synthesis taught us hard lessons. Now, every outgoing drum of Thiolthallium runs through multi-stage ICP-MS screening and thermal decomposition profiling. Users down the supply chain continue to express relief at the absence of cross-contamination and erratic behavior that can crop up with poorly controlled syntheses.
Every operator in our production crew understands that purity isn’t just a QA metric—it defines downstream performance. Crystalline Thiolthallium with 99%+ assay level shows steady color and consistent melting point, which technicians use as on-the-spot checks long before full batch analytics. Impurity spikes, even small ones, have proved to shift reaction profiles considerably in custom synthesis contracts; we’ve seen failed scale-ups at client sites directly remedied by returning to our high-purity material. For customers working in advanced materials research, trusted purity enables better reproducibility in studies—no repeated guesswork adjusting for rogue impurities.
From the lab’s point of view, the difference is clear: some alternative suppliers cut corners, recycling substandard thallium stock or skipping essential purification steps. This might shave a few percent off costs, but it adds exponential risk to users—especially when scale and personnel safety enter the equation. As someone who has followed these cases from inquiry to resolution, I still urge potential users not to compromise on source quality. Ask for batch records, shipment logs, and don’t hesitate to send your own samples for independent review.
Hand-on experience manufacturing Thiolthallium has given our entire team a close-up look at its unique characteristics compared to other thallium products. Where thallium sulfate or chloride are basically commodity-grade and serve as baseline reagents, Thiolthallium commands respect for its dual reactivity—thallium for dense atomic effects, thiol for precision linking or sulfur transfer. During organic coupling, it demonstrates reactivity impossible for typical thallium halides. Transitioning from commodity salts to this specialty product introduces operational efficiency if your process can exploit sulfur chemistry.
We’re often asked about shelf life and storage. Our decades in storage and logistics have shown that if moisture and air exposure are tightly managed (using the routine dry-box protocols most labs already know), batch-to-batch performance remains solid. Some competitors run into issues with their materials losing active sulfur or developing oxidized surface films, but careful synthesis and airtight packing sidestep this. We log shelf lives batchwise, but so far, well-stored product remains as effective after over two years as it did out of the reactor.
Users across fine chemical, academic, and electronics sectors provide feedback we draw on directly in production meetings. A research group in Germany has documented their experience using Thiolthallium in chalcogenide precursor synthesis—they found they could achieve purer semiconductor layers, likely due to controlled sulfur release and absence of contaminating ions. In electronic materials, our own tech support engineers saw several customers shift from thallium acetate to this thiolated compound for vapor phase deposition. They cited improvements in deposited film quality and more controllable surface composition.
For synthetic organic chemists, consistent stories return after extended use: greater control over coupling steps, higher product yields, less labor spent removing by-products or neutralizing residual thallium(III) cations. These time and yield gains can turn around project economics. We encourage all customers to share feedback, as real-world performance shapes future process tweaks right through our continuous improvement programs.
No specialty chemical comes without its challenges, and Thiolthallium throws us curveballs now and then. One of the trickiest aspects is ensuring sustainable, safe thallium sourcing as regulatory scrutiny steps up—something we take seriously. Instead of chasing lowest cost bulk thallium, our procurement leans toward vetted suppliers that publish audit results and own the mine-to-refinery process. This approach contradicts so-called “commodity market” thinking in our field, but after decades watching recalls and user complaints tied to dirty feedstock, we view it as foundational.
From a process design angle, our engineers constantly tinker with throughput vs. containment strategies. Closing reaction systems has helped drop airborne thallium traces in the plant to almost undetectable; workers notice the air smells cleaner, and our yearly exposure metrics reinforce this. Over the years, incremental upgrades—double HEPA filters, electronic badge sign-in for restricted rooms, continuous dust monitoring—turn regulatory compliance into real peace of mind.
Engineering the product’s packaging and logistics pathway takes similar attention. We ship in custom-sealed, shatter-resistant flasks built to survive rough handling. Old-style glass jars barely lasted an ocean trip, so this change came after a customer in southern Asia received caked, useless product during monsoon season. After that, every pallet is now wrapped and sealed in-house, tracked with a chain-of-custody system that’s auditable all the way back to our dock doors.
Our senior lab staff and operators collectively bring more than a century’s worth of direct thallium-handling experience—lessons you won’t find in any academic summary or pre-written brochure. From pilot plant mishaps to the finely tuned calibration of a new analytical line, our knowledge base is built day by day, person by person. We keep strict process documentation not to appease outside auditors (though that matters too), but because it saves time unraveling every unexpected result. Process charts, sampling maps, temperature logs—every line connects back to clean, reliable product in your application.
One lesson stands out: specialty products attract novel uses. Some of the best process improvements came not from our initial intention, but from customers pushing boundaries—using Thiolthallium in silica fiber applications, as a test standard in custom diagnostics, or even as a training compound for academic courses in advanced coordination chemistry. Every new use provides a feedback loop, teaching us where characteristics like fine powder behavior or solubility range could be nudged even further.
From the first kilogram produced in our pilot plant to today’s scaled-up batches, Thiolthallium remains a direct product of hands-on practice—never just a theoretical compound matched to a generic process. We’ve solved problems real time on the line, and that practical experience carries forward to our customers. Choosing a compound like this isn’t about abstract feature stacking or empty claims. The real advantages come from purity you can measure, reliable supply chain control, and safety culture reinforced every shift.
Thiolthallium isn’t interchangeable with other thallium compounds. Its unique balance of sulfur transfer properties and reactivity continually opens new opportunities in demanding fields. Every batch we manufacture carries hard-earned lessons from chemical operators, engineers and analysts who value safety, precision, and reliability over marketing spiel. In a specialty chemical world of shortcuts and batch-to-batch headaches, our biggest point of pride is delivering something consistently fit for purpose, built by people who know every ion, every step, and every use—because they make it themselves.