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HS Code |
354271 |
| Chemical Name | 5-Chloro-2,4,6-Trifluoropyrimidine |
| Molecular Formula | C4ClF3N2 |
| Molecular Weight | 168.51 g/mol |
| Cas Number | 183982-27-8 |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 90-93 °C |
| Density | 1.665 g/cm3 |
| Purity | Typically ≥98% |
| Smiles | C1(=C(N=C(N=C1F)F)Cl)F |
| Inchi | InChI=1S/C4ClF3N2/c5-1-2(6)9-4(8)10-3(1)7 |
| Solubility | Slightly soluble in water; soluble in organic solvents |
| Storage Conditions | Store at 2-8 °C, tightly sealed |
| Synonyms | 5-Chloro-2,4,6-trifluoro-pyrimidine |
| Refractive Index | n20/D 1.505 |
As an accredited 5-Chloro-2,4,6-Trifluoropyrimidine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, 25g, tightly sealed with PTFE-lined cap, labeled with chemical name, structure, hazard symbols, and supplier details. |
| Shipping | 5-Chloro-2,4,6-Trifluoropyrimidine is shipped in tightly sealed containers, protected from moisture and light. It is packed according to hazardous material regulations, ensuring proper labeling and documentation. Shipping is typically via ground or air, following chemical safety guidelines to prevent leaks or contamination during transit. Handle with appropriate personal protective equipment. |
| Storage | Store 5-Chloro-2,4,6-Trifluoropyrimidine in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as strong bases or acids. Keep the container tightly closed, protected from moisture and direct sunlight. Ensure proper labeling and store in corrosion-resistant containers. Use appropriate personal protective equipment (PPE) when handling and ensure access to spill containment materials. |
Applications of 5-Chloro-2,4,6-Trifluoropyrimidine in Industrial Manufacturing5-Chloro-2,4,6-Trifluoropyrimidine is a specialized pyrimidine derivative widely adopted as a building block in advanced chemical synthesis. As a manufacturer, we support leading downstream sectors where this intermediate unlocks critical functionality and establishes high value in complex molecule construction. Below, we outline major sectors and precise use scenarios validated by regulatory and industry standards. 1. Agrochemical Active Ingredient SynthesisModern crop protection development consistently employs this pyrimidine derivative as a core starting material for constructing highly targeted herbicide, fungicide, and insecticide actives. Multistep synthesis routes leverage its electron-deficient ring structure for nucleophilic substitution, halogen exchange, and fluorination steps—essential for achieving specific bioactivity required under crop protection regulatory frameworks. Industry compliance standards
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2. Pharmaceutical Intermediate for Antiviral and Oncology API SynthesisThis trifluorinated pyrimidine core is indispensable in the synthesis of advanced pharmaceutical intermediates for nucleoside analogs and kinase inhibitors. Its reactivity and substitution pattern are leveraged in GMP-controlled operations to form molecular motifs found in next-generation antivirals and oncology therapeutics, achieving stringent purity and impurity profile requirements. Industry compliance standards
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3. Electronics Chemicals: Organic Semiconductors and OLED MaterialsSpecialty fluorinated pyrimidines have become central in synthesizing conjugated organic semiconductors, charge transport materials, and emitting layer precursors for OLED manufacturing. Manufacturers downstream integrate this intermediate to tailor bandgaps and enhance the stability of final functional materials meeting electronics-grade performance metrics. Industry compliance standards
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4. Specialty Chemical Synthesis for Advanced CoatingsThe high reactivity enabled by multiple fluorine and the chloro substituent makes this pyrimidine variant useful in producing specialty monomers and curatives for protective coatings. Manufacturers utilize it in forming crosslinking agents and surface-active intermediates, especially where water, chemical, and abrasion resistance are required at low film thickness in industrial and aerospace scenarios. Industry compliance standards
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5. Chemical Research and Custom Synthesis ServicesCustom synthesis companies, contract development organizations (CDMOs), and advanced research labs use the compound as a modular platform for SAR studies and lead optimization across agrochemical, pharmaceutical, and material science programs. Material enters a wide variety of cyclization, substitution, and derivatization reactions, which require traceable origin and batch consistency for regulatory submission or patent applications. Industry compliance standards
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As a direct manufacturer, seeing raw materials transform into critical building blocks gives us a straightforward perspective on the chemicals we supply. 5-Chloro-2,4,6-Trifluoropyrimidine stands out as one of those specialty intermediates we know well—not because flashy names are attached to it, but because of what goes into every batch and how it fits the needs of those who depend on it.
For years, our team has engineered 5-Chloro-2,4,6-Trifluoropyrimidine to meet precise process conditions, not just for ourselves, but for downstream partners who see its value as a trifluorinated heterocycle. Its molecular structure—chlorine bonded at position 5 and fluorines at 2, 4, 6 on a pyrimidine backbone—opens up selectivity in substitution reactions. Customers on the synthesis end can accomplish chlorination or fluorination at other points, but this pattern gives specific advantages for crops, pharmaceuticals, and advanced materials that demand accuracy.
Producing this pyrimidine derivative never pans out as theory alone. Even the smallest deviation in our reactors can shift purity or final yield, so we stick close to process control. Typical product from our line holds purity above 98%, with a moisture content tightly limited, and residual solvents checked by in-house GC. These numbers aren’t just for certificates. Downstream reactions can stall with impurities or require reprocessing, costing time and money.
Over years, we realized this compound reacts with nucleophiles in a predictable sequence thanks to the electron-withdrawing effect of both the chloro and fluoro groups. The reliability of those substitutions lets chemists use it for triazine core expansion, complex nitrogens, and unique fluorinated frameworks. Our bottles and drum packaging guards the material against trace moisture, because even minor contamination can jeopardize sensitive downstream steps.
Comparisons to more common pyrimidine derivatives, such as 2,4,6-trifluoropyrimidine or 2,4-dichloropyrimidine, have surfaced across projects. What we see, time and again, is that the particular positioning of chlorine and fluorines unlocks sites for controlled nucleophilic aromatic substitution, which isn’t possible with uniform halogenation. Teams working on agrochemical actives and new pharmaceuticals leverage these properties for selectivity—reducing byproducts, cutting purification time, and achieving higher yields.
On a practical level, using 5-chloro-2,4,6-trifluoropyrimidine as a starting material over its simpler cousins results in cleaner transformation sequences. The added chlorine often serves as a leaving group of choice while the protecting power of the three fluorines allows for stepwise introduction of complex side chains. We’ve worked side by side with formulation and process chemists who confirmed that downstream intermediates built from our product meet their biological and functional screens more reliably, freeing up resources for scale-up rather than troubleshooting.
Shelf stability sets this pyrimidine apart. Our experience with other halogenated heterocycles shows some can slowly break down or react with atmospheric water, leading to waste. This compound, in the packaging we designed for it, holds its integrity for extended periods under ordinary ambient storage, offering both predictability and cost savings for buyers with long planning cycles.
Seeing 5-chloro-2,4,6-trifluoropyrimidine at the bench is one thing. Watching it integrate into full-scale chemical synthesis is another. Agrochemical discovery relies on it as a key building block for actives that demand high metabolic stability in plants and reduced toxicity elsewhere. Downstream, we’ve supported teams in the pre-commercial phase of crop protection agents, where slight changes in synthetic route dictated by this intermediate helped avoid harsh conditions or lower yields seen with other halogen orientations.
In pharmaceutical R&D, this pyrimidine brings both reactivity and control. Core scaffold modification often begins with halogenated heterocycles. What our labs have observed aligns with published findings—precise electron effects of the trifluoromethyl and chloro placements change reactivity patterns, letting research chemists build libraries efficiently, screen for actives faster, and move hit compounds into larger runs with fewer synthetic surprises.
Emerging polymer materials rely on trifluorinated aromatic rings for unique electronic and structural characteristics. Fluorination at these three positions, along with a single chlorine, leaves room for further functionalization, crucial for new membranes, catalysts, or optoelectronic devices. Projects in our own pilot workshop demonstrated that starting with 5-chloro-2,4,6-trifluoropyrimidine can slash the number of steps in creating specialty fluoropolymers, simplifying everything from reactor cleaning to final isolation.
Manufacturing this compound took some trial and error, especially in scaling up. We learned that controlling temperature gradients during fluorine introduction and maintaining anhydrous conditions at every step produce the highest grade material. Many issues in this niche involve upstream raw purity; so we source and test each input ourselves, rather than relying solely on supplier assays. Any hints of hydrolysis or side reactions in our reactors led to further checks—because waste in specialty manufacturing never simply writes itself off.
Safety and handling protocols have shaped how we move and store this material. Chlorinated and fluorinated compounds impart unique hazards, both in acute exposure and in waste management. Our plant developed containment and neutralization strategies through practice, limiting worker exposure and ensuring we comply not only with national but also international requirements for environmental safety. The end result is confidence for downstream users: every drum leaving our facility comes with traceability back to its raw components, and our plant’s wastewater leaves our site below established thresholds.
Supplying 5-chloro-2,4,6-trifluoropyrimidine connects us directly with chemists, formulators, and process engineers. Daily, inquiries come through asking not just for the product, but for details about residue profiles, crystal size, handling, and even odor. Because our staff has worked every stage of production—from synthesis through packing—we can answer specific technical questions grounded in hands-on experience, not abstract data sheets.
We know certain processes require the compound in powder form, others in granules, and some teams even dissolve it into a solution on arrival. Our packing lines adjust in response to changes in client feedback, such as particle size or packaging for safe sampling. Investments in on-site analytics, including NMR and LC-MS, let our team provide impurity profiles that line up with stringent customer protocols. We’ve modified cycle times and reactor purges based directly on feedback from those encountering stubborn purification hurdles in their own plants.
Consistency sets professional manufacturing apart from ad-hoc suppliers. Any deviation, even a small one, in purity, appearance, or packaging can result in months lost for end users. In our factory, we standardized checkpoints throughout synthesis and packing. Adjustments in temperature, agitation rates, or time all feed into continual improvement, based on the results of batch histories and customer reports.
Over time, we’ve seen that even minor lot-to-lot inconsistency can change the outcome of downstream steps, from product crystallization to biological activity measurements. Our plant engineers troubleshoot issues such as incomplete halogenation or trace acidic residues, focusing not just on current specs but also on how material performs through to a client’s last use. Regular review meetings between quality, production, and supply chain groups in our operation keep this loop running, because reputational risk and wasted resources impact everyone in the industry.
Chemists often ask what advantage 5-chloro-2,4,6-trifluoropyrimidine brings compared to structurally simpler alternatives. In our own side-by-side runs, compounds like 2,4,6-trifluoropyrimidine (without chlorine) lack the distinctive electron-donating and leaving group behavior required for certain target molecules. Substituting chlorine at only certain positions changes the sequence and regiochemistry of follow-up reactions—sometimes adding steps or lowering product yields.
Our lab’s collaboration with partners developing new active ingredients for agriculture confirmed that initial routes using simpler pyrimidines missed selectivity, leading to unreacted starting material or hard-to-separate byproducts. In contrast, this chlorinated, trifluorinated structure allowed for quick, clean conversion in key steps—whether that meant amination, arylation, or ring substitution. For formulation chemists developing crop protection or pharmaceutical products with environmental forensics in mind, that added site-specificity translates into compounds with better stability and less impact on non-target organisms.
Differences show up in shelf life as well. Certain pyrimidines with fewer halogens or different patterns showed signs of slow decomposition on storage, especially when exposed to light or moist air for extended periods. Our product, after tweaks to both synthetic method and packaging, withstood these conditions far longer with little degradation—an advantage for users managing inventory over many seasons or fiscal years.
Batch production is only half the story. Once material leaves our site, practical challenges remain in shipping, storing, and using specialty chemicals. Over time, our shipping department cut delays by optimizing drum and bottle sealing, using tamper-evident closures, and including absorption liners that reduce the risk of exposure during transfer. We communicate with users on best practices for storage—keeping the product away from reactive metals or open air, monitoring for temperature changes, and using proper extraction techniques to minimize residue loss.
Researchers in both R&D labs and at pilot-scale noticed caking or bridging in some early batches, likely due to static accumulation or partial melting during shipping. Our process engineers traced these problems back to fill rate and cooling profile during final packing, leading us to recalibrate equipment for more reproducible bulk density and pourability. These practical details—focusing not just on the chemistry but on what people encounter in day-to-day handling—turn out to make a world of difference at scale.
Product stewardship led us to examine not just end use, but disposal options. Fluorinated and chlorinated compounds raise legitimate questions about end-of-life management. We arrange take-back and guidance for users looking to minimize waste, and offer documented protocols for neutralization or safe incineration, based on years of running our own on-site treatment. This helps prevent legacy pollution and keeps us, and our clients, not just compliant but forward-thinking.
Demand for more complex building blocks shows no sign of shrinking. Synthetic chemistry, green chemistry, and data-driven formulation all move quickly, requiring input from partners who understand both the science and the human realities behind the process. We invest not just in finishing more batches, but also in developing new process routes, automation, and analytical tools that will help our downstream users stay ahead.
Feedback drives us. Every story from a development chemist who solved a late-stage issue—every survey that identifies a new need—shapes how we approach improvements. Our R&D team frequently pilots new substitutions and reaction methods using 5-chloro-2,4,6-trifluoropyrimidine, both to extend its applications and to optimize its use for sustainability and efficiency.
Sourcing challenges and regulatory shifts put stress on everyone involved. Our experience tells us that resilience comes from transparency, reliability, and direct communication, so we maintain open technical support for any client using our materials. Whether it’s rapid documentation, troubleshooting a unique reaction, or sharing data on impurity levels, that line of communication exists because we know real progress in chemistry is built on collaboration as much as on reagents.
From a manufacturing perspective, 5-chloro-2,4,6-trifluoropyrimidine serves as more than just an intermediate. Each cycle of improvement comes from a mix of careful engineering, thorough testing, and conversations with those who drive research, production, and innovation forward. Our future investments focus on refining synthesis, enhancing analytical capacity, and strengthening the shelf life, safety, and usability of every unit we ship.
We see this product continuing to anchor both established chemical routes and new molecular discoveries. Its distinct reactivity, stability, and role as a modular handle bring down barriers for scientists aiming to solve the challenges of tomorrow—whether those take the form of safer crops, smarter drugs, or advanced materials powering next-generation technology.
Manufacturing at scale always brings its share of variables. Our team knows those realities inside out. Through collaboration, technical integrity, and unbroken attention to the end user’s actual process, we work every day to ensure 5-chloro-2,4,6-trifluoropyrimidine makes a difference that can be measured—not just in purity percentages, but in the outcomes for those who rely on it.