|
HS Code |
339710 |
| Productname | 3-Fluoro-4-Methoxythiophenol |
| Casnumber | 1217216-76-4 |
| Molecularformula | C7H7FOS |
| Molecularweight | 158.20 |
| Appearance | Light yellow to yellow liquid |
| Purity | ≥97% |
| Boilingpoint | 243°C |
| Density | 1.258 g/cm3 |
| Synonyms | 2-Fluoro-4-hydroxy-1-methoxybenzene thiol |
| Smiles | COC1=C(C=CC(=C1)F)S |
| Inchi | InChI=1S/C7H7FOS/c1-9-6-3-2-5(8)7(10)4-6/h2-4,10H,1H3 |
As an accredited 3-Fluoro-4-Methoxythiophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle with secure screw cap, labeled "3-Fluoro-4-Methoxythiophenol, 10g." Includes hazard warnings, chemical formula, and batch number. |
| Shipping | 3-Fluoro-4-Methoxythiophenol is shipped in tightly sealed, chemically-resistant containers to prevent leakage and contamination. It is packaged in compliance with relevant local and international regulations. The shipment includes proper labeling and documentation, and is commonly transported under controlled conditions to ensure chemical stability and safety during transit. |
| Storage | Store 3-Fluoro-4-Methoxythiophenol in a tightly sealed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers. Protect from light and moisture. Use appropriate chemical storage cabinets, preferably under an inert atmosphere if sensitive to air. Properly label the container and follow all standard laboratory safety procedures for handling organosulfur compounds. |
Competitive 3-Fluoro-4-Methoxythiophenol prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.
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Tel: +8615380400285
Email: sales2@liwei-chem.com
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Within specialty chemical manufacturing, experience often shapes what sets a product apart. Producing 3-Fluoro-4-Methoxythiophenol demands attention to both minutiae and the bigger picture. This compound wears multiple hats for our customers: a critical intermediate for pharmaceutical syntheses, an enabler for crop protection development, and a reliable component in advanced materials R&D. Our team understands the sensitivity of fluorinated and methoxy-substituted thiophenols. These molecules don’t just call for clean starting materials; they require consistent process control and vigilance across production, storage, and shipping.
Countless batches in our facility have shown that minor variations in raw material quality ripple into final product reliability. We’ve honed our batch synthesis for 3-Fluoro-4-Methoxythiophenol, routinely working above 98% purity. Reliability depends on precise stoichiometric ratios, gentle temperature ramps, and hours spent analyzing both intermediate and finished samples. Direct sampling from reactors and prompt analysis help us catch elusive by-products. Our technicians’ knowledge rests on hundreds of test points, not just protocols. Down the line, our purification process favors minimal solvent residue. This matters: end-users report less rework and faster screening downstream, which translates to predictable costs and shorter project timelines.
Many customers originally reached out when they struggled with inconsistent supply or high levels of hard-to-remove sulfur contaminants from other vendors. Some reported trouble-forming sulfonate derivatives, others flagged unpredictable impurity spikes. Our experience shows that the combination of fluorine and methoxy on the thiophenol ring makes this material sensitive to oxidation and light. Improperly stabilized batches risk shifting to sulfoxide or disulfide forms, reducing yield and complicating downstream work. We use light-protected packaging and add small stabilizing agents when warranted. Feedback from pharma and agrochemical research teams consistently focuses on clean, odor-moderate samples that arrive as off-white to pale yellow crystals, not brownish or oily residues.
Some chemical descriptions list purity ranges and leave it at that. We emphasize tighter control because fluorothiophenols can raise headaches in GC, LC-MS, and NMR analysis if impurities slip through. Our standard specification maintains a minimum of 98% purity by GC, with water content below 0.5%. Sulfurous odor, an unavoidable part of any thiophenol, drops beneath threshold when storage aligns with our SOPs. Particle size tends to reflect customer feedback—most prefer a moderately crystalline solid. This meets needs for weighing, pipetting, and quick dissolving in common solvents. Every production run comes with confirmed lot analysis, so researchers and process chemists know precisely what enters their experiment.
Pharmaceutical innovators tend to use 3-Fluoro-4-Methoxythiophenol in the synthesis of bioactive scaffolds or as a handle to build out sulfur-linked phenolic motifs. Chemists in crop protection rely on it for thioether-linked fungicides, herbicides, or intermediates for complex aromatic substitutions. We’ve worked with teams investigating new catalysts or fluorinated material science compounds, and they often require tighter impurity profiling than most. In these areas, even tiny contamination—like trace halogen or oxidized sulfur—can derail batches worth thousands. Our control over side-products keeps error bars narrow. Many companies begin with a small research order before scaling up. Over time, they find process transfer easier because our material remains consistent, batch after batch.
Some users initially substitute our 3-Fluoro-4-Methoxythiophenol with similar compounds like 4-Methoxyphenol, 4-Fluorothiophenol, or other mono-substituted thiophenols. We notice pronounced shifts in reactivity and solubility when they return to us for help troubleshooting failed reactions. The combined electron-donating methoxy and electron-withdrawing fluoro groups tilt reactivity, making our compound a versatile and unique coupling partner. Sulfhydryl protection, S-alkylation, and Buchwald-Hartwig cross-couplings interact differently with the mixed substitution pattern. More than one project found success by switching to our thiophenol after months of stalled progress using simpler phenols or thiols. These real-world stories underscore that chemistry on paper rarely covers the nuances of bench-scale synthesis.
Handling thiophenol derivatives—especially with fluorine groups—has sharpened our protocols, not because of regulatory pressure, but customer experience. We’ve learned that moisture, warm storage, and poor seals risk slow decomposition. Our packaging balances single-use practicality for research and scale-up integrity for multi-kg projects. Gloves and goggles aren’t a suggestion; most of our staff have at least one story about accidental skin contact or vapor exposure. Odor-adsorbing canisters and light-protection bags keep working areas tolerable, especially on humid days. Shared experience among the crew often winds up better than handbook directions: open the container in a hood, check for telltale sharp smells, and get the cap back on swiftly. Properly managed, the product delivers every time it’s weighed into a flask.
Manufacturing sulfur and fluorine-containing molecules brings environmental responsibility front and center. Disposal of any off-spec material must follow local guidelines, but our focus settles further upstream. We cut waste solvent volumes by continuously tuning our purification steps. Recovered solvents circulate back through distillation columns, and most byproducts funnel into dedicated waste streams designed for tracked, approved incineration. Air scrubbers and adsorbent beds manage VOCs and sulfur odors escaping condensation traps. The goal isn’t just appeasing inspectors; our staff and neighbors alike prefer clean air and safe ground. Success comes from many years measuring the air and water outside our sites and pushing process changes until levels fall beneath tough benchmarks.
Price talk in specialty chemicals can distract from the real picture. Reliable quality often costs more to produce, especially when sourcing high-purity precursors and investing in skilled technicians. In years with tight global supply, demand for fluorinated building blocks sometimes leaps ahead of available inventory. We do not chase volume at the expense of quality. Smaller research quantities move faster through our workflow; larger orders may need extra lead time, which we communicate clearly from the outset. We won’t promise quick delivery unless material is ready, fully qualified, and safely packed. This reputation for honesty helps establish partnerships, not quick sales.
We take hundreds of technical queries every year about 3-Fluoro-4-Methoxythiophenol—questions from formulation, process modification, or trouble-shooting stubborn side reactions. Many start long before an order is placed. Our scientists and production leads picked up their knowledge through experience, not just datasheets. Sometimes our discussions prevent a project from risking broader liabilities, such as off-gassing, byproduct formation, or batch instability. Many alliances begin by finding the quickest route to resolution, even if our compound isn’t the ultimate fit for a given synthesis. That openness builds trust, borne out in long-term, repeat collaborations.
Daily, we field questions about mixed functionality compounds. Some want to know if the methoxy group can be removed easily. Others run into issues converting the thiophenol to sulfonyl derivatives in the presence of fluorine. Our chemists have tested oxidative, reductive, and metal-catalyzed routes under trial conditions before sharing recommendations. One user needed advice on scaling S-arylation; another searched for data on shelf-life under sub-ambient storage. Years of experience translate into honest answers: what holds up in a research notebook doesn’t always survive an industrial blender or scaled filtration train. We pull from production logs—good, bad, and ambiguous—so we won’t gloss over known limitations or tricky impurity patterns.
Our protocols stem from real incidents—leaks, spills, and near-miss events. Running thiophenol lines at moderate scale brings distinctive sharp odors and exposure risks, so our safety culture leans on over-communication rather than imposed mandates alone. Every shift includes a check on vessel integrity, fume extraction, and bench cleanliness. We rotate operators on extended runs, knowing that fatigue breeds mistakes in weighing, sample handling, and clean-up. Our waste-handling SOPs come from years of adapting to new regulations and from post-incident reviews, not consultant boilerplate. We share these lessons with customers looking to replicate or modify bench-scale steps.
Transitioning from gram-scale shipments to multi-kilogram production runs brings new hurdles. Even predictable reactions at small scale sometimes misbehave when batch sizes increase. We track heat profiles, agitation needs, and impurity formation at every stage. Our scale-up team meets after every batch to review any shifts in reaction profiles and product recovery. Pragmatic changes—changing agitator geometry, introducing in-line sampling, or retooling filtration—often mean the difference between routine delivery and delayed shipment. This history means customers can scale projects alongside us, rather than gambling on a fresh supplier for each phase.
Testing isn’t just about ticking boxes. Quality assurance staff run side-by-side comparisons between lots, sometimes double-checking stored samples against new batches months later. Tumbling crystals, checking melting points, and running chromatographic profiles matter because end-users care about batch reproducibility. One customer flagged a small thermal decomposition residue on heating; because we kept full batch and analytical records, tracing the anomaly traced back to a minor procedural change, which we immediately corrected. This level of archiving, from source traceability through batch testing, builds confidence with every shipment.
We’ve learned that open lines between manufacturer and end-user drive progress on both sides. Direct reports about subtle odor changes, trace yellowing, or shifting melting points often reveal minor process variables before paperwork flags a trend. Researchers occasionally spot problems that our own routines have missed. Our response always starts with open dialogue, raw data, and transparent updates. No chemical product improves in a vacuum; advancements in production and purification reflect long partnerships and consistent feedback.
Every lot of 3-Fluoro-4-Methoxythiophenol ships out from our facility backed by names and faces, not just an anonymous label. Many of our staff have shepherded this product from its earliest days, learning under pressure how each tweak in synthesis or packaging affects lives in labs and on production lines around the world. Trust develops not from claims—but from hundreds of resolved challenges, improved yields, and stories where our material quietly enabled a breakthrough or solved a persistent bottleneck. We believe an experienced manufacturer never loses sight of that long memory.
The demand for specialty building blocks like 3-Fluoro-4-Methoxythiophenol continues to shift. As researchers design increasingly complex targets, the value of precisely engineered, reliable starting materials only grows. For us, the next frontier lies not only in making molecules, but in serving as a sounding board and solution-finder at every step. Every new process adaptation, packaging refinement, and analytical advance circles back to one central idea: experience matters. That collective, lived knowledge stays with the people who built these processes molecule by molecule—and it finds its way into every bottle shipped.
