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HS Code |
129236 |
| Chemical Name | Thioformamide |
| Molecular Formula | CH3NS |
| Molar Mass | 75.12 g/mol |
| Cas Number | 148-18-5 |
| Appearance | White to off-white solid |
| Melting Point | 91-93 °C |
| Boiling Point | 185 °C |
| Density | 1.3 g/cm³ |
| Solubility In Water | Soluble |
| Synonyms | Methanethioamide |
| Flash Point | 125 °C |
| Odor | Unpleasant, sulfurous |
| Pka | 3.51 |
As an accredited Thioformamide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Thioformamide is typically packaged in a 500-gram amber glass bottle with a secure, chemical-resistant screw cap and clear hazard labeling. |
| Shipping | Thioformamide should be shipped in tightly sealed containers, protected from moisture and incompatible substances. Transport in accordance with local, national, and international regulations for hazardous chemicals. Ensure proper labeling, documentation, and secondary containment. Handle with care to avoid spills and exposure, and keep away from heat, open flames, and strong oxidizing agents. |
| Storage | Thioformamide should be stored in a cool, dry, well-ventilated area, away from heat, direct sunlight, and sources of ignition. Keep the container tightly closed and clearly labeled. Store separately from oxidizing agents and strong acids. Use corrosion-resistant shelving and secondary containment to prevent spills. Always follow appropriate safety protocols and local regulations for chemical storage. |
Applications of Thioformamide in Industrial ManufacturingThioformamide plays a practical and critical role across several established chemical manufacturing sectors. As a specialized industrial intermediate, it participates directly in targeted downstream syntheses, supporting efficient production and reliable performance in finished goods. The following sections detail major real-world applications based on current industry practices. 1. Pharmaceutical API Intermediate SynthesisPharmaceutical manufacturers often deploy thioformamide as a dedicated intermediate during the synthesis of sulfur-containing APIs, especially for thiazole-ring construction. It reacts with α-haloketones or α-haloesters under controlled conditions to form thioamides or thiazoles, which serve as core structures in various drug compounds. Production follows strict GMP protocols, with extensive in-process controls and validated purification steps. Integration at the controlled intermediate stage ensures traceability and compliance for active ingredient manufacture. Industry compliance standards
Typical usage ratio
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2. Agrochemical Thiazole and Thiadiazole SynthesisThioformamide supports crop protection chemical manufacturers as a reactant for selective thiazole and thiadiazole heterocycle formation. It delivers the sulfur and nitrogen necessary to generate key ring systems in fungicides and insecticides. Formulators rely on its controlled reactivity to streamline batch and continuous synthesis in closed reactors, allowing precise sulfuration control. Process technologists scale dosing based on substrate reactivity and target conversion rates, aligning production with international agrochemical quality norms. Industry compliance standards
Typical usage ratio
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3. Specialty Polymer Modifier in Conductive ResinsResin compounders and electronic materials manufacturers utilize thioformamide as a polymer crosslinking agent for select specialty plastics. It acts as a chain transfer component during sulfur-alkylation or polyaddition methods, targeting conductivity improvements within polythiazole or polythioamide matrices. Process engineers integrate it near the initial pre-polymerization phase, finely tuning dosage based on desired electrical parameters, mechanical stability, and downstream fabrication method. Stringent process QC enables consistency for demanding end-applications in electronics and sensor housings. Industry compliance standards
Typical usage ratio
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4. Vulcanization Accelerator for Rubber FormulationsRubber product manufacturers employ thioformamide as a niche vulcanization accelerator, especially for high-performance elastomer blends. It operates in concert with sulfur donors and secondary accelerators, allowing tailored crosslink density and mechanical response in advanced rubber goods. Formulators monitor addition rates relative to base rubber and curing agents, following protocols that align with ASTM and EN standards for tire, gasket, and technical rubber manufacture. Process control targets curing profile, reversion stability, and downstream compound uniformity. Industry compliance standards
Typical usage ratio
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Years spent in manufacturing have taught us that every batch of Thioformamide represents a balance between rigorous process control and a careful understanding of the needs of researchers and industrial users. We see the requests, the emails, the conversations with plant operators and quality control chemists: accuracy is never just a claim in this business. A dependable source of Thioformamide is the backbone for several specialized reactions. No marketing speak or flashy copy can replace the trust that gets built, batch after batch, when a customer’s synthesis works the first time, every time.
We manufacture Thioformamide in a dedicated facility, tightly controlling water activity, storage temperature, and purity levels. The process focuses on keeping the product free from typical amide contaminants and oxidized sulfur species, issues that can cripple sulfur transfer reactions. Thioformamide is a crystalline solid, white to off-white, giving immediate visual cues for purity. Chemists want to inspect a sample and know what to expect; our product holds up under that scrutiny. Every lot passes GC and HPLC assessments for key markers. For users relying on it in critical applications—as a precursor for heterocyclic synthesis, for the introduction of thioamide groups, or even as a reagent in physical organic studies—the difference is not academic.
On the floor, we see the demand for thio-derived building blocks move up and down with cycles in agrochemical and pharma research. Orders for Thioformamide often point straight to a new method being explored—a colleague at a research division seeking a direct route to thioamides without hazardous intermediates, or a materials group exploring sulfur inclusion to tweak polymer reactivity. We know that a sticky batch, or one tainted by minute remnants of dimethylformamide or formaldehyde, will ruin days or weeks of research. Our focus falls on repeatability, not just purity by the numbers, but observed stability and handling outcome. Reliable quality conserves resources for everyone downstream.
Our batches conform consistently to physical norms: fine, dry crystalline powder, free from significant clumping or yellowing. Melting range is tightly monitored—any deviation signals a review before a shipment leaves our warehouse. For those who have handled products from outside sources, discoloration or excess fines signal a rushed or poorly controlled process. These issues don’t just create trouble in the lab, but also trigger unnecessary questions from regulatory and safety teams. We never rush a lot based on quarterly targets; in our experience, every shortcut on drying or filtration turns up at a customer site as a complaint or, worse, lost trust.
Most requests for Thioformamide originate from chemists working on the synthesis of thioamides by direct thionation of formamides or similar routes. Others use it for bench-scale studies in mechanistic chemistry, where a clean signal in NMR or IR determines whether months of research will mean anything. In the industrial sector, requests often trace the pursuit of sulfur compounds for crop protection or as intermediates for dyes and specialty chemicals. Each of these workflows depends on a product that does the same thing, every time, from the very first scoop.
Lab-scale preparation of Thioformamide offers a lesson in patience, but the real test starts when the reactor volume reaches the multi-kilo scale. A go-to method in published procedures may fail without warning. In the early years, we faced plant shutdowns caused by overheating, unintended byproduct formation, or unplanned reactivity from micro-traces left in the workspace. Now, standard operating procedures run side by side with real-time monitoring—temperature, pressure, color, and moisture content at each critical stage. Finished goods go through secondary drying, sieving, and inspection. Plant staff communicate directly with our technical support team, so if a customer finds even a hint of deviation, the entire batch history can be reviewed in minutes.
Treating Thioformamide as just another bulk chemical undercuts its actual role in key synthetic steps. Many of our customers have tried alternative grades and learned the hard way: a few extra tenths of a percent of residual water or organic byproducts don’t just bring down assay results. They bring multi-step syntheses to a halt, spoil reference spectra, and cause regulatory compliance questions. With so many points of failure, no one working with Thioformamide on a tight timeline accepts ambiguity in their input materials.
Our technical sheets attest to multiple passes of filtration, batch-level assay for sulfur and carbon content, and low levels of ammonia-forming nitrogen sources. Crucially, our facility runs segregated lines for sulfurous substances, curbing cross-contamination risks. The plant design itself keeps the risk of oxidized products—like sulfones or sulfoxides—to a minimum. Buyers who have tested “commodity” Thioformamide on an FTIR will recognize the signatures that betray poor handling or exposure to the air. We avoid these pitfalls with nitrogen-blanketed transfer and packing systems.
Freshness matters, so all orders fill from most recent stock and use moisture-suppressant liners. In the storage racks, labeled drums show production date, batch number, and QC release. Our customer service logs actual opening and resealing experiences, learning from each client’s feedback. Packaging adjustments—double-sealed bags for tropical climates, easy-pour spouts for big users—arise from user comments, not marketing fads. We track returns and shelf-life questions: degradation by slow hydrolysis or ambient oxidation remains rare with our current packing. Most of our returns result from laboratory over-ordering, not product instability.
Every year, we hear from academic groups presenting results at national conferences, tracing a successful synthetic path back to the consistency in our product. One customer’s switch to our Thioformamide unlocked a bottleneck in a new isothiazole compound, cutting days off purification time and improving overall project yields by double digits. Bigger clients solve headaches in scale-up when reaction exotherms drop and final isolation needs less solvent or neutralization. The link remains direct: stable, pure starting materials lengthen production runs, speed up research progress, and reduce waste disposal headaches.
Other suppliers treat thioformamide as a generic item. The difference shows in trace-level analysis: lower chlorinated byproducts, tighter sulfur balance, zero detection of high-boiling formamide residues. These traits don’t happen by accident. They require physical separation on the manufacturing line, thorough analytical QC, and a staff that responds to customer pulls for additional data—not canned responses or backlog excuses. Our R&D team partners closely with procurement and logistics; this drives fine-tuning in raw material sources, purification tweaks, and inventory management. If supply issues arise—a rare event, thanks to raw stock hedging and well-trained operators—customers get direct technical input, not delays or silence.
Recent advances in organic synthesis rely on more selective sulfur chemistry. Thioformamide stands near the center of these developments, such as new cyclization protocols and late-stage functionalizations. PhD students, research scientists, and process chemists tell us that even minor impurities can destroy the selectivity needed for modern organometallic or catalytic systems. In our day-to-day work, we see more requests for ultra-high purity grades, especially as regulatory standards evolve and new functional group tolerance is demanded in process routes. Through close coordination with university research groups and pilot plant engineers, we keep our product at the quality edge, letting chemists focus on invention—not troubleshooting their raw materials.
Tighter environmental and safety standards touch every chemical we produce. With Thioformamide, compliant paperwork and reliable COA backup are baseline expectations, not afterthoughts. Auditors and regulatory agencies look for documented histories, not just one-off analysis reports. Our track record includes years of clean inspections, prompt recall notifications (when they have occurred), and ongoing improvement in downstream labeling accuracy for hazardous and transport documentation. Our standard operating procedures reflect real-world experience: for instance, logistics teams train on immediate incident response protocols, and management reviews compliance logs every quarter.
Direct interaction with product users shapes everything about our Thioformamide. We regularly collect feedback on melt characteristics, dusting issues, and ease of weighing or portioning. Several improvements in physical form—granule size, static dissipation, spill resistance—trace back to a single operator’s repeated comment or detailed lab report. Our sales and technical support teams work side by side with production, ensuring that every shipment matches the expectations set from pilot samples. Where a user wants an alternate pack size or special labeling, we evaluate feasibility in terms of actual batch flow and packing machinery, not theoretical logistics plans.
Some researchers seek Thioformamide as a safer or more selective alternative to harsher thionation agents or to avoid the reactivity hazards of phosphorus-based derivatives. Many traditional thionating reagents—like Lawesson’s reagent or P4S10—need active mitigation against side reactions and toxic waste. Thioformamide incorporates sulfur in a more controlled manner, with less exotherm and hazardous off-gassing. We’ve helped multiple clients swap out more reactive thionating systems, guiding them through reaction optimization and showing how our product’s clean impurity profile offsets troubleshooting in downstream workup. The trend leans toward gentle, controlled sulfur chemistry, driven by both safety and regulatory realities.
Our hotline receives frequent questions about optimal storage of Thioformamide, compatibility with specific glassware or reactor alloys, and advice for minimizing exposure to air or moisture during transfers. We take these inquiries seriously. Recommendations come from our own testing and from cross-referencing industry best practices. Customers see real results—reduced caking, steadier yields, less operational downtime—once they apply minor changes in technique, such as using inert atmosphere sampling, double-sealing after initial use, and drybox handling protocols.
Over the years, occasional errors—a stuck valve, a mislabeled drum, a shipper’s paperwork slip—have forced us to revisit our internal controls. We log every customer-reported incident or return, and patterns lead to fast action. If several clients flag batch-to-batch performance differences, our technical and QA staff pore over documentation and manufacturing logs until the correction gets implemented. We’d rather over-invest in process review than take shortcuts that erode user trust. Our loyalty to the progress of modern chemistry isn’t empty talk—it’s embedded in weekly meetings, training sessions, and continual capital improvements.
Demand for Thioformamide will continue to grow alongside advances in medicinal and materials chemistry. We plan facility expansions and modernization to keep pace, working alongside plant staff who understand not just the end use, but the reality behind every 25-kilo batch leaving our loading dock. Every plant worker, operator, and analyst knows the faces behind the emails and purchase orders, and understands that quality isn’t an abstraction. The standards we uphold are those we’d demand if we were on the receiving end, setting up a reaction for a critical project or troubleshooting an unexpected yield drop. Our commitment is to make Thioformamide that customers can trust now and in the future—a product that continues to earn the chemist’s confidence as the field progresses.