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HS Code |
736741 |
| Chemical Name | 4-Fluorobenzhydrol |
| Synonyms | p-Fluorobenzhydrol; 4-Fluorodiphenylmethanol |
| Molecular Formula | C13H11FO |
| Molecular Weight | 202.23 g/mol |
| Cas Number | 345-92-6 |
| Appearance | White to off-white solid |
| Melting Point | 83-85°C |
| Solubility | Slightly soluble in water, soluble in organic solvents |
| Smiles | C1=CC=C(C=C1)C(O)C2=CC=C(C=C2)F |
As an accredited 4-Fluorobenzhydrol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 25g amber glass bottle, sealed with a screw cap, labeled “4-Fluorobenzhydrol,” includes safety and hazard information. |
| Shipping | 4-Fluorobenzhydrol is shipped in tightly sealed containers to prevent contamination and moisture ingress. The packaging complies with relevant chemical transport regulations, labeled with hazard information. It is shipped via road, air, or sea as permitted, with temperature controls as necessary to ensure product stability and integrity throughout transit. |
| Storage | 4-Fluorobenzhydrol should be stored in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizing agents. Keep the container tightly closed and protected from light and moisture. Store at room temperature or as directed on the chemical's datasheet. Ensure proper labeling and restrict access to trained personnel only. Avoid sources of ignition or heat. |
Applications of 4-Fluorobenzhydrol in Industrial ManufacturingAs a direct producer of 4-Fluorobenzhydrol, we supply this specialized intermediate to a focused range of industries where its molecular structure enables specific downstream synthesis and performance functions. Below we outline actual industrial application scenarios, highlighting sector-specific compliance standards, formulation details, process integration points, and types of downstream finished products. 1. Pharmaceutical Intermediate for CNS Active CompoundsPharmaceutical manufacturers use 4-Fluorobenzhydrol as a core intermediate in multi-step syntheses for select central nervous system (CNS) active molecules, particularly for fluorinated analogs of known modulators. Its reactivity at the benzylic alcohol position facilitates controlled introduction into stepwise Grignard, oxidation, or acylation reactions, contributing to active pharmaceutical ingredient (API) structural frameworks with high purity requirements. Production frequently adopts cGMP guidelines, with robust characterization and traceability along the synthesis route. Industry compliance standards
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2. Agrochemical Synthesis: Fluorinated Crop Protection AgentsMajor agrochemical formulators incorporate 4-Fluorobenzhydrol during the production of certain fluorinated crop protection intermediates where the benzhydrol core is retained through downstream coupling, halogenation or etherification steps. The fluorine atom imparts enhanced environmental stability and metabolic properties suited for modern herbicide and pesticide classes, with synthesis strictly controlled under agrochemical manufacturing standards to ensure traceability for regulatory submission batches. Industry compliance standards
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3. Specialty Monomer Preparation for Performance PolymersChemical manufacturers employ 4-Fluorobenzhydrol as a building block in the synthesis of advanced specialty monomers where the fluorine-modified aromatic structure enhances final polymer chemical resistance and dielectric behavior. The material undergoes further derivatization steps (e.g., esterification, etherification) before incorporation into high-performance resins. Application-specific polymer production, such as fluoro-containing polyesters, abides by sector QA and regulatory expectations, specifically when the polymer is destined for electronics or automotive use. Industry compliance standards
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4. Reference Standard in Analytical LaboratoriesAnalytical reference material suppliers and pharmaceutical QC labs utilize 4-Fluorobenzhydrol as a calibration standard and system suitability material during method development and routine testing of fluorinated compounds. Its well-characterized purity, stability, and chromatographic behavior suit use as both reference and internal standard in validated analytical methods, including HPLC, GC-MS, and NMR-based quantification, under full compliance with quality assurance frameworks for regulated labs. Industry compliance standards
Typical usage ratio
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For professionals working with organic synthesis or pharmaceutical intermediates, 4-Fluorobenzhydrol stands as a choice that reflects both versatility and reliability. Our years manufacturing specialty benzyl alcohol derivatives have given us firsthand knowledge of what consistently matters to research teams and process engineers. Inside a production plant, each batch tells its own story. 4-Fluorobenzhydrol, recognized by CAS number 459-57-4, is one product that continues to attract technical and industrial interest, especially due to its unique position among halogen-substituted benzhydrols.
Through a combination of targeted synthesis and meticulous quality control, we transform raw materials into a crystalline powder known for its purity. We focus not just on chemical structure, but also on physical consistency. The purity of our typical batches exceeds 99%, with melting points ranging from 68 to 70°C. Overseeing every stage from raw material intake to warehouse supervision, trained chemists check factors like trace moisture, residual solvent levels, and overall yield. A continual improvement process drives down contaminant limits to support sensitive downstream reactions.
Chemists often ask what sets 4-Fluorobenzhydrol apart from its fellow halogenated benzhydrols, such as the chlorinated or brominated analogs. The answer begins with the fluorine atom itself. Adding a fluorine group to the para position on the benzhydrol backbone has a subtle but wide-reaching effect on electronic distribution. This single atom impacts reactivity, solubility, and downstream transformation options. From our benches, we’ve observed that reactions requiring high selectivity remain cleaner and often push yields higher with the fluorinated variant. The substitution pattern doesn’t only tweak attributes on a molecular level; it directly feeds into the performance in practical synthesis, especially for targeted pharmaceutical fragments where steric hindrance is a concern.
A common question we get from formulation teams explores the day-to-day properties that impact handling and storage. 4-Fluorobenzhydrol forms colorless crystals that pack tightly, with minimal dusting during transfer. Our operations team appreciates the solid’s bulk density, making it more manageable in both small-scale development and multi-kilogram lots. Chemical stability at ambient storage conditions also receives frequent mention in feedback: product loss stays low and quality holds steady over standard shelf lives, even under humid continental climates. By focusing on reproducibility, we reduce the variability that can derail precision steps later in a synthesis pathway.
Labs today face increased scrutiny from both regulators and project sponsors. Our customers expect an unbroken chain of evidence between each batch’s origin and their invoiced bottle. Drawing on a decade of digital batch records and integrated supply chain tracking, we deliver not only the product but also a supporting dossier including spectral data—NMR, GC-MS and HPLC reports—so chemists can trust the identity and purity. This expectation stems from years developing best practices and responding to changing audit requirements in international business. Our operators realize that sometimes, a successful experiment needs documentation as much as it needs clean starting materials.
In pharmaceutical research, 4-Fluorobenzhydrol serves as a valuable intermediate for building complex molecules. It supports both conventional nucleophilic substitution reactions and serves as a functional handle for further functionalization. In the last decade, we’ve seen rising interest in fluoroaromatics as part of kinase inhibitor frameworks, CNS active agents, and imaging tracers. This demand directly ties to a tangible shift in drug design: medicinal chemists increasingly exploit fluorine’s electronegativity to affect metabolic stability and receptor affinity. Compared to non-fluorinated analogs, our customers report a higher probability of achieving the properties sought in lead optimization campaigns.
Some users leverage 4-Fluorobenzhydrol in material science, especially for specialty polymers and surface modification research. The presence of fluorine allows the adjustment of hydrophobic character without the reactivity challenges encountered with more reactive fluorinated intermediates like aryl fluorides. Over recent years, manufacturers of specialty coatings and adhesives have started calling on this product for precisely these fine-tuning capabilities. In practice, the fluorinated version offers balance—a reactivity that is accessible, but not so aggressive as to limit control in reactive blending or copolymerization.
From the manufacturing side, we’ve learned that outsourcing raw materials for API development can create unexpected risk. Markets often see fluctuations due to shipping disruptions or raw material price spikes. Our team hedges these setbacks by maintaining multiple sources for precursors and strong relationships with local suppliers for critical reagents. Investment in robust purification and crystallization protocols means each customer receives the same physical and chemical lot-to-lot profile, regardless of what happens upstream.
Consistency, in our experience, means repeatable reactions and more confident scale-up. Research partners in both Europe and North America often require pilot batches that match the lab samples gram-for-gram—polymorphic form, particle size, even minor side component ratios. By scaling up and down within the same site, our technical staff maintains control over these subtle details. We don’t treat these challenges as afterthoughts; they emerge as central to building long-term trust with technical teams.
The primary challenge comes not from synthesis, but from market perception. The word “fluorinated” sometimes triggers concerns over environmental impact or regulatory hurdles, especially in Europe. We address these by working transparently with customers, offering full disclosure on byproducts and stewardship practices. Our compliance team stays ahead of any changes to REACH and TSCA listings. Our production waste minimization plan, which includes solvent recovery and fluorine source management, anticipates not just current needs but those on the horizon. Laboratories with strong green chemistry initiatives find value in this transparency, knowing every gram ordered contributed to a responsible manufacturing process.
End users keep us accountable. Several pharmaceutical partners have approached us with feedback on yield improvement after switching from either non-halogenated or alternative halogenated benzhydrols. Their organic chemists frequently see an uptick in coupling reaction efficiency, owing largely to the streamlined electron distribution provided by para-fluorine substitution. In other verticals, such as polymer chemistry, switching to 4-Fluorobenzhydrol results in more predictable macromolecular architectures. In technical documentation and collaborative meetings, these partners confirm our observations—batch consistency translates to fewer deviations and smoother project timelines.
Our product development initiative involves a feedback loop. Chemists often ask for specific particle sizes or alternative packaging for applications that demand unique handling protocols. Rather than a one-size-fits-all mentality, we routinely adapt packaging and logistics based on this field input. Our flexibility has led to lasting collaborations and a more insightful outlook on small-molecule supply in a globalized industry.
International logistics play a bigger role each year. As a manufacturer, our job includes managing everything from temperature stability during transit to customs compliance. With 4-Fluorobenzhydrol, cold-chain transit is rarely necessary. This simplifies routing and reduces shipping costs—important for customers in regions with strict import regulations. Our logistics team prepares all documentation in-house, working directly with freight forwarders and customs agents to avoid unnecessary delays.
Request volumes range widely. Academic groups might request grams for research, while pharmaceutical scale-up teams often order kilograms for pilot runs. This means our packaging lines maintain agility—producing lab vials one day, filling industrial drums the next. Our warehouse system enables fast turnaround times, minimizing the impact of regional holidays and global shipping bottlenecks. For particularly urgent requests, dedicated staff jump in to coordinate expedited pickups and tailored labeling requirements.
Beyond the molecule, our reputation hangs on a straightforward principle: do the job right the first time. That means maintaining clean rooms for handling all aromatic alcohols, including 4-Fluorobenzhydrol. Each operator undergoes regular safety training, and our documentation stays current with local and international standards. We believe trust builds over time; it stems from not only products that work but also steady communication and fast, honest resolution of any problems.
4-Fluorobenzhydrol’s role in synthesis and research shines compared to non-halogenated benzhydrol or other synthetic alcohols. Its distinct structure influences physical and chemical performance in nuanced ways. Colleagues conducting hydrogenation or Grignard reactions recognize its improved atom economy and simpler purification. Medicinal chemists engaged with early-phase development favor the balance of reactivity and stability, reporting fewer side pathways compared to their experience with ortho- or meta-fluorinated alternatives. Possessing an electron-withdrawing group in a strategic position, 4-Fluorobenzhydrol often produces intermediates with desirable pharmacokinetic and stability profiles.
Increasing scrutiny means keeping environmental and worker safety issues front and center. All shipments comply with the latest hazardous material classifications, helping clients streamline their risk assessment protocols. Each batch ships with thorough documentation—spectral data, lot analysis, and safety data—so regulatory filings or quality control audits proceed smoothly. We work regularly with QA teams to deliver exactly what their auditors require, sometimes with decades-old reference spectra for historical checks. This level of support reflects a deeply rooted industry culture where quality stands above cost-cutting or shortcuts.
Companies and research groups face rapidly changing demands. Supply chain disruptions, evolving regulatory standards, and the quest for innovation all put pressure on chemical workflows. Responding to these changes, our R&D arm investigates alternative fluorination reagents and process optimizations to drop our environmental footprint with each passing year. Lowering waste, boosting recovery rates, and minimizing energy use—all of these remain ongoing efforts at our main facilities. Since our earliest customer partnerships, we’ve been ready to recalibrate when unforeseen synthesis needs arise, sometimes helping rework a route or identify related molecules if priorities shift during a campaign.
Over years serving a diverse client base—from multinational pharmaceutical makers to university research consortia—we’ve built up a record with 4-Fluorobenzhydrol. Colleagues return again and again not just because the molecule meets their performance standards, but because we respond quickly and know the intricacies behind every application. Every gram we deliver reflects years of accumulated skill—careful choice of raw material, methodical in-process monitoring, and a culture that values each project’s success just as much as efficiency on the plant floor. We have found that trust grows from doing the basics better. Often, that means helping others do their work with fewer hiccups and more confidence, batch after batch.
As manufacturers, we walk the line between technical detail and real-world impact. 4-Fluorobenzhydrol stays in demand because it solves problems in organic and medicinal chemistry that linger with other building blocks. Its subtle differences might seem small to those far from the process, but to formulators and scale-up chemists, that extra reliability can mean fewer repeated trials, clearer data, and faster time to milestone achievement. Listening to those on the receiving end, we keep investing in both people and plant—the two drivers that allow us to consistently deliver molecules that matter.