|
HS Code |
662934 |
| Chemicalname | 2,3,5,6-Tetrafluorophenol |
| Casnumber | 2426-08-6 |
| Molecularformula | C6H2F4O |
| Molecularweight | 166.08 g/mol |
| Appearance | White to light beige powder |
| Meltingpoint | 37-39°C |
| Boilingpoint | 143°C at 23 mmHg |
| Density | 1.64 g/cm³ |
| Purity | Typically ≥98% |
| Solubility | Soluble in organic solvents; slightly soluble in water |
| Flashpoint | 120°C |
| Smiles | C1=C(C=C(C(=C1F)O)F)F |
| Inchikey | WSLBQHUDXKVEHE-UHFFFAOYSA-N |
As an accredited 2,3,5,6-Tetrafluorophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 100g amber glass bottle with a secure screw cap, featuring hazard symbols, product label, and chemical details for 2,3,5,6-Tetrafluorophenol. |
| Shipping | 2,3,5,6-Tetrafluorophenol is shipped in tightly sealed containers under cool, dry conditions to prevent exposure to moisture and air. Ensure proper labeling according to hazardous material regulations. The chemical should be handled by trained personnel, using appropriate protective equipment, and transported in compliance with all relevant national and international shipping guidelines. |
| Storage | 2,3,5,6-Tetrafluorophenol should be stored in a tightly sealed container, away from moisture, heat, and direct sunlight, in a cool, dry, well-ventilated area. It should be kept separate from incompatible substances such as strong bases and oxidizing agents. Proper chemical safety labeling and precautions to avoid skin or eye contact are essential during storage and handling. |
Applications of 2,3,5,6-Tetrafluorophenol in Industrial Manufacturing2,3,5,6-Tetrafluorophenol serves as a critical fluorinated intermediate in several demanding industrial fields. As a specialized manufacturer, we supply this raw material to businesses with strict downstream integration requirements. Below, we detail typical downstream segments where it is used, including specific regulatory, technical, and finished product considerations. 1. Pharmaceutical API SynthesisPharmaceutical producers utilize 2,3,5,6-tetrafluorophenol for the preparation of fluorinated phenol intermediates, especially in multi-step API synthesis. Tetrafluorinated aromatic compounds demonstrate strong metabolic stability, which is advantageous in treatment formulations such as oncology and CNS drug candidates. Our material integrates during the halogen exchange or nucleophilic aromatic substitution steps, where purity and traceable supply are mandatory. Batch records must reflect GMP adherence, and the raw material must pass HPLC and residual solvent analysis prior to charge-in. APIs containing tetrafluorinated building blocks target high-value, patented therapeutics and require validated cleaning procedures for equipment. Industry compliance standards
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2. Agrochemical Active Substance ManufacturingMajor crop protection companies rely on this material for the synthesis of advanced fluorinated intermediates in their herbicides and fungicides portfolios. Its integration helps increase the photostability and environmental persistence of active ingredients while mitigating metabolism in target pests. Downstream conversion occurs via aryl ether formation or as a leaving group in nucleophilic aromatic substitution with amines or heterocycles. Flask records and chain-of-custody documents must accompany each lot. Formulators pay close attention to byproduct minimization in compliance with global regulatory dossiers. Industry compliance standards
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3. High-Performance Polymer Additive ManufacturingProducers of specialty engineering plastics and resins use tetrafluorophenol to synthesize high-performance monomers such as tetrafluorinated bisphenols, which impart significant chemical resistance and thermal stability to end-use polymers. The material enters the manufacturing line during the formation of aryl ether-linked monomer units, which are then polymerized under controlled temperature and inert conditions. Quality assurance requires FTIR analysis of lot purity and documentation against REACH substance registration. Product lines employing this intermediate typically serve aerospace, semiconductor, and electrical insulation markets. Industry compliance standards
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4. Fluorinated Fine Chemical Intermediate ProductionChemical manufacturers use this compound as a key precursor for crafting a range of fine chemicals that require high-performance fluorinated aromatic rings. Its high purity allows for direct application in the synthesis of agro-intermediates, active esters, and protected phenol building blocks. Production lines often run multi-stage reaction systems with rigorous in-process control. Analytical teams monitor residual solvents and halide profile during each stage to ensure integrity of the aromatic core, with all process data traceable to batch number for regulatory checks. Industry compliance standards
Typical usage ratio
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Manufacturing 2,3,5,6-tetrafluorophenol requires full control of purity from the first reaction to the last distillation. Every step in our process is built from years of tweaking and optimizing, long before most users see a single vial delivered. We focus on 98% purity or higher for each batch. Anything lower gets recycled back into process, not packaged or shipped. From daily experience on the plant floor, tight purity like this prevents failed syntheses and unpredictable side reactions. The stability of this highly fluorinated phenol is no accident; it’s built into every stage of our planning and verified with targeted GC, NMR, and titration testing in quality control. We never shortcut those steps because one out-of-range impurity can derail an entire specialty chemical project.
In practice, users depend on fine differences in reactivity, so maintaining a stable melting point and low moisture content is crucial. Even a trace of water throws off downstream chemistry, especially where organometallic or pharmaceutical intermediates depend on it. We always seal our product under inert gas before leaving the line. Each drum and flask we send out stays tight all the way to customer storage. Problems like hydrolysis or darkening never take root in our product, thanks to this attention to detail.
Over years in the field, we’ve seen 2,3,5,6-tetrafluorophenol’s real value show up in challenging environments—those where standard phenols or lightly fluorinated phenols cannot deliver. In cross-coupling reactions, this compound consistently outperforms its mono- and di-fluorinated counterparts. The unique fluorine pattern in this structure changes both the electron density and acidity of the hydroxyl group, making it far more reactive in aromatic substitutions and coupling chemistries. As a result, the product allows for nucleophilic aromatic substitutions at lower temperatures and shorter reaction times, compared to simple phenol or difluorophenol.
Users from pharmaceutical labs have reported tighter yields and higher throughput on fluorinated APIs and agrochemical intermediates. In particular, the reduced side-product formation leads to less byproduct purification and disposal, saving cost in both purification and waste management. This fluoro-pattern also creates fewer environmental hazards during downstream processing, since milder conditions often mean milder byproducts.
There’s a world of difference between making this compound for our own internal R&D use and producing it for external partners with tight schedules and specs. We handle hundreds of kilograms in each run, and each run is documented start to finish for traceability. Infractions like off-specification color or off-odors get flagged at the earliest possible point, not after packaging. Our team works directly with customer chemists when unusual reactivity or compatibility questions arise. For instance, if a process shows a new contaminant after a batch changeover, we can pull archived production data to cross-check impurity profiles and isolate whether it’s linked to precursor changes or instrument drift.
Some think of 2,3,5,6-tetrafluorophenol as just another bench reagent, but our operational experience shows a different story. All those customer process questions—about solubility, volatility, reactivity, shelf life—do not show up on easy-to-read tables but surface in daily production and years of technical troubleshooting. We test each lot's behavior in small-scale reactions before approval, making real adjustments when something isn’t right. If a customer needs something outside the default technical bulletins, like a guarantee on particle size distribution or ultra-low halide background, we are equipped and willing to adapt. The engineering and lab teams work side-by-side to respond to the unpredictable.
Fine distinctions between isomers or grades directly shape how efficiently a lab or factory can move from intermediate to finished product. The 2,3,5,6-tetrafluorophenol molecule acts as more than just a building block; its electronic properties open up routes inaccessible to other isomers. For those deeply engaged in heterocycle synthesis or specialty polymer modification, the four-fluorine arrangement means increased chemical stability paired with tailored reactivity that streamlines downstream coupling and substitutions.
Probably the most underappreciated difference comes from the way multiple fluorines tune the hydrogen bonding and solubility behavior. Using less substituted phenols, we’ve seen greater propensity for side reactions, resin formation, or tar build-up—leading to high waste and lost production time. Four fluorines change all that, making it easier to predict and control results.
Comparing this tetrafluoro version to 2,4,6-trifluorophenol or 2,6-difluorophenol highlights more than just the missing or extra halogen. Yields rise not by chance, but because substitution patterns shift pKa and facilitate leaving group dynamics in reaction cycles.
Many suppliers repackage chemicals from bulk sources and offer basic documentation. Our direct plant operations set us apart. Having an in-house synthesis process, we can tweak production parameters and customize lots for unique use cases. Whether a customer needs a specific solvent compatibility, tighter residual metal limits, or guarantees on UV/vis absorption, our plant can respond quickly. Years of operational diligence mean we don’t rely on secondary lab results or spec sheets from a trading partner; every assurance comes straight from our own work, confirmed by overlapping checks in the lab and on the line.
This tight cycle from reactor to shipping dock means less downtime, better reliability, and genuine traceability. We run both small lab validation and industrial runs, so we know firsthand where problems can creep in and how to head them off before product leaves our site.
In real-world use, 2,3,5,6-tetrafluorophenol isn’t handled in a vacuum. Our product supports users ranging from small pharma development labs scaling up to pilot batches, to global agrichem labs engineering complex actives. Safety protocols, often overlooked by academic references, always matter. Our technical support includes not just standard handling guidance but best practices distilled from frequent troubleshooting. For example, in open systems where inerting can be inconsistent, we recommend pre-aliquoting under nitrogen, based on our own in-plant procedures. Managing exposure and waste capture is built into our packaging and shipment logistics, reflecting practical realities from truck transport to shelf storage.
In process scale-ups, even small variables turn into critical factors. We see this every time a kilo-scale batch reveals moisture sensitivity missed at gram scale, leading to stuck reactions or incomplete product formation. Our plant experience underscores that using only the correct packing and certified drying materials maintains batch quality far better than short-term fixes or repack attempts. Users gain confidence from honestly sourced and certified batches, without second-guessing material origin or shelf history.
Customers sometimes come to us after failed runs with supplier-bought, unlabeled or repackaged tetrafluorophenol. Almost always, the culprit tracks back to trace metal contamination, polymer byproducts, or simple air and moisture ingress during restorage. Decades of firsthand troubleshooting taught us how important each step is, from inert gas sealing in the plant to selection of proper storage containers. Our facility has invested in positive pressure fill lines, high-spec PTFE-lined vessels, and in-line water and oxygen monitoring. For all the attention paid to batch specs and purity, the real-world difference appears in long-term process consistency and one-to-one technical support for users facing process setbacks.
By sticking to direct manufacturing and open technical lines, we help customers push the limits of their own chemistry. Our investments in advanced fluorination and isolation technologies have reduced production bottlenecks and increased batch reproducibility. Instead of wondering if each new lot will perform, users can plan on predictable results, reducing both revalidation steps and regulatory headaches.
The impact of this backbone product stretches far beyond the reaction flask. Fewer failed syntheses translate to less solvent waste, lower energy needs, and reduced hazardous byproduct management. Our experience shows that solid technical partnerships and supply transparency drive better science and business outcomes. This isn’t marketing speak; it’s the result of thousands of pilot and production campaigns from our own team, working shoulder-to-shoulder with demanding end users.
We adapt our process with each year’s learning. Feedback cycles feed directly into our plant upgrades, whether that means new handling equipment, improved filtration, or double-checks on packing materials for export. For customers needing detailed analysis such as trace halides, solvent residues, or custom analytical runs, our in-house lab has both the instrumentation and the desire to deliver down to ppm levels. Open communication with end-users lets us target improvements that make the biggest on-the-ground difference, not just look impressive on a certificate of analysis.
As new synthesis strategies emerge—especially those involving transition-metal catalysis or advanced heterocyclic design—the unique substitution pattern of 2,3,5,6-tetrafluorophenol becomes even more cost-effective. Instead of trying to force-fit cheaper or less well-characterized grades, we encourage process chemists and engineers to put their trust in batches with proven, repeatable results. Our own laboratory experience highlights cases where process reproducibility jumped with only small upgrades in input quality.
We know regulations and sustainability requirements will only grow stricter. Our facility maintains ongoing certifications and upgrades, from waste capture systems to green energy sourcing for heating and distillation. The fewer times a batch runs out of spec, the less waste and energy are spent reprocessing. This practicality shapes every manufacturing decision we make—and we share best practices by working directly with customer sustainability teams.
As downstream requirements change, whether through new drug submissions or environmental compliance, we keep open lines to adjust product or documentation, with the plant flexibility to turn around new needs fast. Ultimately, our success comes from decades standing behind our product—never hiding weaknesses, always supporting better results for users, partners, and the broader chemistry community.
Moving chemistry forward depends on reliable building blocks delivered without surprises. 2,3,5,6-tetrafluorophenol stands on a foundation of direct experience, tight controls, and close technical outreach. As applications diversify—from pharmaceuticals to advanced materials and specialty agrochemistry—consistent quality and transparency become more valuable than ever. Our own journey making, testing, and shipping this compound has proven there’s no substitute for hands-on control and responsive technical collaboration. In our view, that’s the only way to support breakthrough science and dependable business, every step of the way.