|
HS Code |
638116 |
| Name | 3,5-Difluorophenol |
| Cas Number | 372-19-0 |
| Molecular Formula | C6H4F2O |
| Molecular Weight | 130.09 |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 173-175 °C |
| Melting Point | 16-18 °C |
| Density | 1.317 g/cm3 |
| Refractive Index | 1.503 |
| Flash Point | 70 °C |
| Solubility In Water | Moderately soluble |
| Smiles | c1cc(F)cc(F)c1O |
| Pubchem Cid | 10610 |
As an accredited 3,5-Difluorophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, 100g, sealed with a PTFE-lined cap, chemical-resistant label displaying 3,5-Difluorophenol details and hazard symbols. |
| Shipping | 3,5-Difluorophenol is shipped in tightly sealed, chemical-resistant containers to prevent leakage and contamination. The containers are properly labeled according to hazardous material regulations. Shipping must comply with local, national, and international transport guidelines for toxic and environmentally hazardous substances, ensuring safety during handling, transit, and storage. |
| Storage | 3,5-Difluorophenol should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers and bases. Protect from direct sunlight, heat, and moisture. Store under inert atmosphere if possible to prevent degradation. Ensure proper labeling and keep away from sources of ignition and incompatible chemicals. Handle with appropriate personal protective equipment. |
Competitive 3,5-Difluorophenol prices that fit your budget—flexible terms and customized quotes for every order.
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Our experience in manufacturing specialty fluorinated compounds runs decades deep, and 3,5-Difluorophenol stands out for us both in its practicality and in its consistency. We’ve worked hands-on to refine our process, controlling even the tiniest details from raw material sourcing through purification. Instead of outsourcing steps or chasing price reductions that cost purity, we rely on our in-house protocols, honed over years, for each batch. Chemists across pharmaceutical, agrochemical, and material science sectors turn to this product when they need a reliable, high-purity phenolic intermediate with the distinct electronic properties that come from meta-di-fluorination.
We recognize the differences even among phenolic compounds with similar formulas. Two fluoro atoms, sitting right at the 3 and 5 positions, introduce a precise electron-withdrawing effect, which changes not just reactivity but also physical properties like boiling point and solubility. Lab teams working on active pharmaceutical ingredients notice how subtle shifts in these parameters influence not only yields, but downstream product behavior. Reactions requiring a strongly deactivated aromatic ring need these exact substitution patterns. We’ve responded with methods that consistently put the right groups in exactly the right positions. Third-party analyses back up our claims on assay and impurity profiles, but truthfully, most returning customers cite ease of downstream reaction control as their main reason for relying on our 3,5-Difluorophenol versus alternatives.
Day to day, we talk with formulation chemists and R&D staff who depend on the predictability of our product. Feedback almost always circles back to batch reproducibility. These professionals develop new insecticides, herbicides, or medical imaging agents; they don’t have time or resources to troubleshoot every time their supplier shifts composition within spec limits. By tightly controlling drying, water content, and trace metal levels, we make it easier for their teams to get consistent results—something competitors offering wide-ranging specs or relying on untreated feedstock struggle to match.
Some companies focus solely on highest possible purity, aiming for numbers that look impressive at first glance. Through long cooperation with pharmaceutical groups, we know that impurity profile matters at least as much as purity—that’s especially true for halogenated aromatics like this one. By targeting a specific, controlled pattern of fluorination, and screening thoroughly for isomeric and unreacted precursors, the material heads into sensitive syntheses without triggering unwanted by-products.
Research teams return to 3,5-Difluorophenol precisely because it’s more than a stock room commodity. Its meta-oriented fluorines provide a unique reactivity map, influencing electrophilic substitutions and Suzuki couplings. Papers coming from big-name pharmaceutical organizations cite meta-difluorinated phenols as essential for tuning metabolic stability in drug leads. Fluorine atoms at these positions resist metabolic oxidation, extending half-life and improving oral bioavailability—real reasons these groups see increased use in new compound libraries.
Our customers aren’t all pharma giants either. Academic researchers reach for it in mechanistic studies on hydrogen bonding and pi-stacking interactions, testing new catalytic systems where electron density on the aromatic core matters. Boutique materials science teams use it for surface modifications and to develop new polymers that exploit its altered dipole moment. Agrochemical innovation hasn’t slowed down—adding this particular substitution pattern changes binding affinity to biological targets, helping researchers develop the next generation of selective herbicides.
Fluorinated phenols sometimes get a reputation for being difficult to handle, not so much because of intrinsic instability, but rather due to inconsistent manufacturing and packaging. Whether a customer needs a few hundred grams for academic work or multi-ton shipments for scaled processing, we ensure the product arrives tightly sealed, labeled, with a reliable shelf life and no surprises. By handling all drying and filtration under inert conditions, we protect each lot from hydrolysis or airborne contamination.
The storage reliability we offer isn’t the industry norm. Many producers send their product off for bulk repackaging, exposing these compounds to fluctuating temperature and humidity, which can quickly alter product profile. We’ve invested in our own packaging lines; staffers check each drum and bottle, so when customers resample months later the material behaves as predictably as day one. Some suppliers send out syringeable solutions to avoid the challenges of weighing sticky, partially solidified samples. Our pails and drums genuinely contain well-defined, free-flowing crystalline solid, easy to sample, split, and batch without need for special handling.
Chemists sometimes ask what sets 3,5-Difluorophenol apart from the more common mono-fluoro or 2,4-difluorophenol. We’ve worked through enough reaction schemes to see the differences first hand. The 3,5-pattern gives a more symmetrical electron distribution, which leads to distinct patterns in NMR spectra and impacts subsequent reactivity. While 2,4-difluorophenol introduces more ortho effects, the meta di-fluoro pattern tends to reduce unwanted side processes in cross-coupling, especially in metal-catalyzed transformations.
Customers frequently mention how their reactions scale more smoothly, seeing less variation between bench and kilo scales, due to these electronic properties. In some cases, patents depend specifically on using the 3,5-regioisomer, because it unlocks a series of downstream chemistries not accessible to ortho- or para- substituted versions. Flipping between di-substituted phenols, even with a difference of a single carbon on the ring, often derails well-laid synthetic sequences. We’ve consulted on process scale-ups where switching to our product saved weeks of optimization.
End users across our client base still face mounting regulatory expectation from both local and international bodies. Our traceability practices mean every container’s history is documentable, from the original batch record through all quality checks and into final release. For regulated therapeutics or crop protection use, we provide everything needed to support auditing and transparency. In our experience with large multinational clients, audits go smoother when suppliers don’t cut corners or rely on undisclosed third parties.
Material safety is another area where manufacturing diligence can’t be replaced with paperwork. Our hazard labeling covers more than the required minimum, including waste handling tips and first-aid details we’ve learned from decades of real-world incidents and lab reports. End users in regulated environments, from clean pharma suites to rural test fields, trust our product because it’s been vetted through both in-house and external screening, always matching what’s on the label.
Small-scale chemistries rarely scale up the way text books suggest. We’ve worked side-by-side with chemical engineers tuning reaction times and temperatures, adapting our purification so product losses stay minimal even at plant scales. In periods of raw material scarcity—fluorine sources shift with geopolitical climates, regulatory quotas pop up fast—our purchasing and stockpiling expertise keeps customers supplied. This commitment isn’t just a talking point; for several clients in pharmaceuticals, continuous supply from our lines prevented downtime worth millions in lost productivity.
Waste minimization, energy efficiency, and reduction of solvent exposure matter as much to us as to our buyers. Using proprietary purification, we keep impurities like heavier haloaromatics and metallic residues well below actionable thresholds. Our environmental program focuses on real measurable outcomes: less unrecoverable waste per kilogram of finished product, solvent recycling loops, and operator safety. Regulatory auditors often comment on our low incident rate and robust waste reclamation—a reputation that doesn’t emerge from “greenwashing” but from years of practical improvement.
Laboratory directors and production chemists bring us their bottlenecks, asking how our 3,5-Difluorophenol can help. Requests usually fall into three categories: purity improvement, process throughput, or supply chain reliability. In every case, clear communication and hands-on experience lets us offer more than off-the-shelf advice.
Take a typical pharmaceutical synthesis: minor unknown impurities in a batch can halt process qualification and jeopardize clinical timelines. We trace these back, often to overlooked steps at earlier stages. Our analytical and validation teams share methods and data with customers, building understanding and trust. Several customers working with challenging catalytic steps found our material enabled reactions to complete with higher selectivity and cleaner end-point analysis, avoiding costly rework.
For scale-up challenges, unpredictability in product quality forces customers to revalidate, costing time and capital. We mitigate these risks with batch documentation, chain-of-custody transparency, and routine analytical crosschecks. This hands-on approach limits downtime for our customers, translating into faster development cycles and more reliable cost estimates for internal planning.
Research teams searching for greener or safer processes often approach us for technical guidance. In leaner formulations, every contaminant and solvent trace shows up downstream—our detailed impurity mapping and robust packaging lets them streamline purifications, use less chromatography resin, and dispose of less solvent. This ultimately reduces compliance headaches around environmental discharge limits and disposal fees.
Genuine dialogue with users shapes our ongoing process development. Every feedback call and technical troubleshoot session sharpens our own standards. More than one major product upgrade followed after a customer flagged tiny color changes or subtle differences in melting behavior, prompting root-cause analysis and ultimately industry-wide quality advances. Personal engagement—rather than form letters or bots—drives our process improvement efforts, linking customer labs directly with our technical and production staff.
A substantial portion of our R&D now focuses on refining fluorination chemistry itself, reducing hazardous reagent consumption, saving energy, and producing cleaner effluent. Success here not only lowers our own operating costs, but those of our customers, who report smoother pilot plant operation, longer product shelf life, and easier compliance. By sharing data and best practices across pharmaceutical, agrochemical, and material science sectors, we help raise the industry standard.
We don’t consider our current product line static. Keeping up with the rapid development of new pharmaceuticals, crop science, and material systems means anticipating changes in demand for specialty building blocks like 3,5-Difluorophenol. We regularly invest in pilot projects for new functionalized aromatic compounds, and every improvement in existing production returns value to our established customer relationships.
We also see potential for 3,5-Difluorophenol in areas just starting to emerge, like bio-based plastics and novel sensor platforms. Researchers investigating new routes for advanced functional materials often discover meta-di-fluorinated aromatics offer the right mix of chemical robustness and electronic tuning. With regulatory climates tightening around process emissions and worker safety, the demand for reliable, cleanly manufactured specialty chemicals will only increase.
Manufacturing specialty chemicals like 3,5-Difluorophenol demands vigilance, attention to detail, and a willingness to go beyond standard operating procedure. Years in this business taught us that trust comes less from specs on paper and more from relationships, transparency, and responsive support. Our commitment is to supply not just a product, but a solution—a building block trusted by scientists and engineers for its consistency and real-world performance.
Every drum we ship carries intangible value: peace of mind for the chemists and engineers whose work depends on reliable results, fewer day-to-day surprises in high-stakes projects, and, ultimately, faster progress toward new medicines, safer crop protection, and advanced materials. We’re proud to support that progress, batch after batch, grounded in the lessons and improvements that only come from direct manufacturing experience.