|
HS Code |
656463 |
| Iupac Name | 1-(2-fluorophenyl)propan-1-one |
| Cas Number | 349-74-8 |
| Molecular Formula | C9H9FO |
| Molar Mass | 152.17 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 234-236 °C |
| Density | 1.125 g/cm³ |
| Refractive Index | 1.528 |
| Smiles | CCC(=O)C1=CC=CC=C1F |
| Inchi | InChI=1S/C9H9FO/c1-2-9(11)7-5-3-4-6-8(7)10/h3-6H,2H2,1H3 |
| Flash Point | 96 °C |
| Solubility | Slightly soluble in water |
As an accredited 2-Fluoropropiophenone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, 100 grams, tightly sealed with a screw cap; labeled with "2-Fluoropropiophenone, CAS 349-76-8" and safety information. |
| Shipping | 2-Fluoropropiophenone is shipped in secure, sealed containers to prevent leakage and contamination. The packaging complies with international hazardous materials regulations, ensuring safe handling during transit. Proper labeling and documentation, including hazard identification, accompany each shipment. Temperature and storage conditions are monitored to preserve chemical stability throughout transportation. |
| Storage | 2-Fluoropropiophenone should be stored in a tightly sealed container, away from light, moisture, and incompatible substances such as strong oxidizers. Store it in a cool, dry, well-ventilated area, preferably in a dedicated chemical storage cabinet. Ensure proper labeling and keep it away from sources of ignition, as it may be flammable. Use secondary containment to prevent leaks. |
Applications of 2-Fluoropropiophenone in Industrial Manufacturing2-Fluoropropiophenone is a specialized chemical intermediate manufactured to meet the rigorous requirements of pharmaceutical and fine chemical sectors. By integrating controlled synthesis and advanced quality management, this raw material supports key industrial downstream applications where strict compliance, reproducible performance, and traceability are required throughout production. 1. Pharmaceutical Intermediate Synthesis for CNS-Active AgentsIn active pharmaceutical ingredient (API) manufacturing, this intermediate plays a critical role in the multi-step synthesis of select central nervous system (CNS) small-molecule drug substances. Manufacturers incorporate it at a defined stage during the construction of substituted phenylpropanone moieties, optimizing for reaction yield while maintaining traceability and documentation in accordance with international pharmaceutical manufacturing standards. Industry compliance standards
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2. Fine Chemical Manufacturing: Agrochemical IntermediateFine chemical producers strategically use this fluorinated ketone in the synthesis of crop protection intermediates, specifically targeting the creation of proprietary fluorinated aromatic compounds. Controlled incorporation yields enhanced metabolic stability for downstream agrochemical actives, supporting the development of more selective and persistent formulated products in line with global agrochemical regulation. Industry compliance standards
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3. Fragrance & Aroma Chemical SynthesisSpecialty fragrance manufacturers employ this compound as a building block in the controlled development of fluoroaromatic ketones, which impart distinctive scent profiles and enhanced stability to advanced aroma chemicals. The application targets the formulation of long-lasting notes for fine fragrances and specialty odor modifiers, ensuring product integrity under IFRA guidelines and regional flavor legislation. Industry compliance standards
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4. Research-Grade Chemical Synthesis (Custom Synthesis and Building Blocks)Chemical research laboratories and contract research organizations (CROs) integrate this compound as a fluorinated building block to explore novel chemical spaces, particularly for the development and scale-up of lead-like molecules. The strict handling, documentation, and QC align with best practices in research-grade material use, backed by analytical traceability required for downstream structure–activity relationship (SAR) studies and patent filings. Industry compliance standards
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Each batch of 2-Fluoropropiophenone heading off our line draws from years of direct experience witnessing the conditions and demands inside a real factory, not just labs or catalogs. Daily work interacts with solvents, reagents, furnaces, glassware, and constant monitoring of reaction vessels. Seeing so many projects fail for lack of reliable starting materials gave us focus—manufacture this compound with enough consistency and purity to let our own team and others build upon it with confidence. In the early days, scientists and techs often complained about unreliable supply chains, batch-to-batch variation, and high impurity loads. We see those as the type of problems that keep chemists, both here and at our customers’ plants, busy troubleshooting rather than inventing. That's what guided us to refine our process for making 2-Fluoropropiophenone, and why we take direct responsibility for each lot we produce.
You can spot the importance of this ketone by looking at our production records and speaking to the people on the job. In the early years, aromatics with halogen substitution were in short supply or arrived with questionable specs. Teams wound up spending their days cleaning up feeds, removing off-smells, and double-checking purity. Since switching to our in-house process, headaches dropped. 2-Fluoropropiophenone with high purity and sharp GC traces makes life easier for everyone, from bench chemists to plant operators. No odd residual peaks, no surprise color or water content, and no mysterious side reactions.
Unlike unsubstituted propiophenone or its 4-fluoro analogs, our 2-fluoro variant carries the fluorine at the ortho position relative to the carbonyl group on the aromatic ring. Small placement differences can drive big shifts in reactivity under both acidic and basic conditions, especially in the context of pharmaceutical synthesis. Our chemists prefer it over the 4-fluoro isomer in sections of routes targeting certain CNS-active molecules, especially those requiring strategic halogen for metabolic blocking. Beyond this, anyone scaling reactions to suit kilo or multi-ton volumes notices that ortho-fluorination brings useful electronic effects, allowing for more selective transformations and tighter control of side reactions.
Talking specs isn't a paper exercise for our team. In truth, the quality of the product shows itself long before official COA sheets get printed. We see purity by GC, usually above 99%, because trace byproducts or unreacted starting materials crop up as tangible problems in downstream steps. Our process refinements—careful reagent control, temperature profiling, moisture elimination—arose not from reading handbooks, but from actual run failures, product recalls, and lab-bench frustrations. Water traces below 0.1% aren't just a number for us; too much water strips yield from Grignard and organometallic reactions, slam brakes on condensation steps, and even threaten lab safety in scale-up. Color clarity, sometimes overlooked on spec sheets, also matters. Yellowing signals impurity, usually from oxidation or unscavenged side-products. Real people on both our end and yours rely on clarity as a quick, reliable check before a formal assay.
On our factory floor, 2-Fluoropropiophenone isn't just a line item—it's a key intermediate in advanced organic syntheses, especially for clients in pharmaceutical APIs and specialty chemical industries. Our clients talk about its use as a starting point for designer analogs and reference compounds, where the ortho-fluorination increases metabolic stability in drug candidates. It also hits the mark for making specialty agrochemicals, where precise functional group placement can separate a promising lead from a failed field trial. Operators tell us every month: easy-to-handle, low volatility, and a sharp, penetrating odor that signals its presence, making it straightforward to monitor during transfers. High boiling point means accidental losses during distillation can be minimized, which is a boon when working at scale.
It’s easy for a specification table to hide the real stories behind process improvements, quality gains, and raw material changes. Our earliest scale-ups for 2-Fluoropropiophenone ran into persistent emulsion issues—liquid-liquid extractions wouldn’t cleanly split, eating up labor hours and reducing throughput. Plant engineers got involved; a bench chemist remembered a trick from an old thesis, adding salt at a certain stage to push phase separation. A week and several kilograms later, chemists saw clear separation and product pulls increased from 85% to 95% recovery per batch. These small operational victories, noticed by the actual hands doing the work, keep our specs consistent year after year and let downstream users trust what they receive. No script, just genuine process validation by those who rely on the materials daily.
Our hands-on experience often draws comparisons with close relatives like unsubstituted propiophenone, 4-fluoropropiophenone, and related halo-ketones. 2-Fluoropropiophenone delivers unique handling characteristics: higher selectivity in Friedel–Crafts acylation and better performance in halogen-metal exchange reactions. We’ve watched synthetic teams hit cleaner conversion ratios in coupling reactions and observed lower contaminant formation compared to both the non-fluoro and para-fluoro versions. Sometimes the differences aren’t obvious until pressure testing large-scale, multi-step syntheses. Only then does the edge from ortho-fluorination stand out—improved yields and easier isolation, no small feat in an industry where time and raw materials drive the budget.
If you run a chemical plant, you learn pretty quickly that every improvement gets tested in the real world with real stakes. With 2-Fluoropropiophenone, bottlenecks appeared around raw material volatility, balancing cost, reaction efficiency, and purity. Our shift to higher-grade fluorobenzene feedstock came after weeks of troubleshooting off-flavors and recurring moisture issues. Once everyone realized the upstream trouble, a direct supplier partnership followed, letting us lock in traceability and quality verification. Changes to our distillation apparatus followed after we saw persistent tailing in GC traces. Chemists modified heating ramps, switched distillation columns, and established regular preventative maintenance to prevent accidental cross-contamination. These stories aren’t theory—each is an experience lived firsthand by our staff, shaping the batch-to-batch excellence we now guarantee.
Direct conversations with customers and partners paint a far clearer picture than any market survey. People care about more than price—the real measure of value comes from time saved on purification, confidence that each delivery matches the last, and assurance in trace impurity levels. When a chemist can pull our 2-Fluoropropiophenone, spot-check by thin-layer chromatography or GC, and see a single spot or sharp peak, that’s job satisfaction. They tell us so, month after month. Downtime from failed reactions or slow clean-up means lost hours, not just on our books, but in every partner’s workflow. The supply arriving as promised, batch after batch, removes one more variable from their risk calculations.
Every operator in our plant knows the hazards that surround aromatic ketones, especially those with halogen atoms. Our safety briefings don’t come from a sense of obligation—they come from direct encounters with accidental exposure and the reality of chemical spills. Over the years, we've adopted extra air scrubbing and solvent recovery steps, not out of mere compliance, but from lived experience dealing with nasty odors, persistent residues, and local environmental controls. Over time, we've refined waste handling, tracked emissions more closely, and shared best practices from our own audits with other manufacturers. That transparency doesn’t just make a better product, it preserves goodwill with neighbors, keeps compliance teams happy, and ensures our crew heads home healthy every day.
As new synthetic routes and regulatory requirements shift the landscape, staying nimble in production has become as important as technical skill. Our technical team attends industry conferences, listens for changes in regulatory policy, and brings back news of shifting toxicological standards and impurity thresholds. On several occasions, these unofficial channels flagged upcoming limits on certain impurities years before formal law changes. By learning directly from production challenges in-house and combining them with external trends, we keep our specs ready for tomorrow’s demands, not just today’s.
Every drum, bottle, or tank of 2-Fluoropropiophenone we ship carries the fingerprints of people who know the stakes behind imperfect materials. From the technician calibrating GC equipment at midnight to the forklift operator sealing each pallet, our plant runs on a constant feedback loop of real-world experience. We take pride in seeing our compound emerge as both a building block for advanced molecular design and a benchmark for reliable, clean, well-documented synthesis. For us, producing this key intermediate is more than a step in the supply chain—it’s the direct result of listening to chemists, engineers, and plant personnel striving for progress, efficiency, and safety, project after project.
The best solutions always start on the ground. After countless discussions with synthesis teams struggling to decontaminate poorly made intermediates, our team developed custom filtration and molecular sieve regimens, offering tailored advice to partners in scaling up or refining their own methods. These aren’t secret patent tricks or theoretical tweaks; they’re what worked for us through trial, error, and occasional failure. Inspecting every lot visually before formal analysis, rotating production shifts to catch ‘off’ batches before they enter inventory, and personally reviewing feedback reports—practices like these close the loop from plant floor to end-user. These modest improvements mean stronger relationships throughout the chemical community and a broader willingness to share knowledge both ways.
Years of direct troubleshooting taught us one lesson: there’s no shortcut past thorough, principled manufacturing. Cutting corners only seeds bigger headaches down the line, whether as off-flavor in a pharmaceutical intermediate or a bottleneck in subsequent steps. Our repeat customers trust us not from an ad or promise, but from cycles of delivery, use, and successful product launches. Production teams at other plants come to us for pointers; sometimes, that means reworking a process entirely to handle the unique demands of ortho-fluorinated aromatic ketones, taking the hard road rather than relying on ‘close enough’ quality. Adhering to strict protocols during synthesis, backing every number with real measured data, and letting our staff speak directly to clients—this all creates actual relationships grounded in trust, not just contracts.
Feedback isn’t just a line on a form to us. Each time a chemist reports a result, positive or negative, that info gets channeled back to our development and QC teams. We’ve found that open conversations drive more progress than any internal SOP tweak alone. Suggestions to tweak moisture content, retune color specs, or adjust shipment sizes all came from real users. Sometimes, issues spotted in a single factory somewhere else in the world echo challenges we faced in our own early days. Listening, adjusting, and putting pride aside long enough to learn—this is how our team pushes toward higher, more practical standards every year.
Producing 2-Fluoropropiophenone means much more to us than shipping chemicals; it’s about delivering reliability, consistency, and support in every shipment. The hard-won knowledge from running real production campaigns, troubleshooting daily problems, and working hand-in-hand with users and partners builds better material and, in turn, better science. We look forward to future projects, standing side by side with chemists, engineers, and innovators as they tackle harder targets, confident that the foundational steps—the starting materials—are in experienced hands.