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4-(Trifluoromethoxy)Thiophenol

    • Product Name 4-(Trifluoromethoxy)Thiophenol
    • Alias 4-(Trifluoromethoxy)Benzenethiol
    • Einecs 631-904-5
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    932290

    Chemical Name 4-(Trifluoromethoxy)thiophenol
    Cas Number 82419-36-1
    Molecular Formula C7H5F3OS
    Molecular Weight 194.17
    Appearance Yellow to light brown liquid
    Boiling Point 212-214 °C
    Density 1.442 g/cm3
    Refractive Index 1.550
    Purity Typically >97%
    Flash Point 99 °C
    Solubility Slightly soluble in water, soluble in organic solvents
    Smiles C1=CC(=CC=C1S)OC(F)(F)F

    As an accredited 4-(Trifluoromethoxy)Thiophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle labeled "4-(Trifluoromethoxy)Thiophenol, 5 grams," sealed with a Teflon-lined cap and hazard warnings.
    Shipping 4-(Trifluoromethoxy)Thiophenol is shipped in securely sealed containers, protected against moisture and light, and clearly labeled according to hazardous chemical regulations. The package complies with IATA and DOT guidelines, ensuring safety during transit. Proper documentation, including Material Safety Data Sheet (MSDS), accompanies each shipment to facilitate regulated handling and transport.
    Storage Store **4-(Trifluoromethoxy)thiophenol** in a cool, dry, well-ventilated area, away from sources of ignition, heat, and incompatible materials such as strong oxidizing agents. Keep the container tightly sealed, clearly labeled, and protected from moisture and sunlight. Use appropriate chemical storage cabinets, preferably in a fume hood, and avoid prolonged exposure to air to minimize decomposition and potential release of fumes.
    Application of 4-(Trifluoromethoxy)Thiophenol

    Applications of 4-(Trifluoromethoxy)Thiophenol in Industrial Manufacturing

    As a direct manufacturer of 4-(Trifluoromethoxy)Thiophenol, we support the advanced synthesis requirements of the pharmaceutical, agrochemical, and specialty chemical sectors. The following application scenarios demonstrate how downstream industries integrate this specialty intermediate into regulated production processes.

    1. Pharmaceutical Intermediate for API Synthesis

    API manufacturers use 4-(Trifluoromethoxy)Thiophenol to incorporate trifluoromethoxy and thiol functional groups into complex molecular structures. The compound often acts as a nucleophile in aromatic substitution or coupling stages when synthesizing targeted pharmaceuticals, notably within certain anti-inflammatory, oncologic and anti-infective candidates. Its purity profile and trace-level impurity specifications are critical for subsequent GMP validation and regulatory submissions.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • USP, EP, JP relevant monographs for intermediate handling
    • 21 CFR Parts 210/211 for pharmaceutical manufacturing controls
    • ISO 9001:2015 quality management system

    Typical usage ratio

    • 0.5%–5% (w/w) in targeted synthesis steps; subject to reaction stochiometry and desired substitution extent; process chemists optimize based on yield and impurity profile

    Downstream process integration

    • Charged during aromatic nucleophilic substitution or catalytic cross-coupling (e.g., Buchwald–Hartwig, Suzuki conditions); post-reaction isolation before further elaboration or protection group manipulation

    Final product types

    • Small-molecule API intermediates for NCEs (New Chemical Entities)
    • Custom pharmaceutical intermediates supplied under confidentiality to innovator and generic drug manufacturers

    2. Agrochemical Synthesis: Herbicides and Fungicides

    Commercial agrochemical formulation plants employ this compound as a building block for diaryl ether, thiol, and heterocyclic pesticide actives. Its high electron-withdrawing trifluoromethoxy group increases bioavailability and metabolic stability in several fungicide and herbicide leads, where it is used in the nucleophilic aromatic substitution of prefunctionalized aromatic scaffolds during active synthesis.

    Industry compliance standards

    • FAO/WHO pesticide specification guidelines
    • REACH Annex II for chemical intermediates in Europe
    • ISO 9001:2015 certified production protocols
    • EPA 40 CFR Part 169 for records and labeling in the United States

    Typical usage ratio

    • Typically dosed at 1%–4% (w/w) in key aromatic substitution or cyclization stages; actual amount adjusted based on molar equivalents of the aromatic substrate

    Downstream process integration

    • Introduced directly to batch or continuous flow reactors for activation with halogenated aromatic partners; followed by aqueous work-up, extraction, and coupling with subsequent intermediates

    Final product types

    • Trifluoromethoxy-modified herbicide and fungicide intermediates
    • Registered active ingredients used in broad-spectrum crop protection products

    3. Electronic Chemicals: Liquid Crystal Compounds

    Producers of advanced liquid crystal materials for display panels use this raw material to introduce both fluorinated and sulfur functionalities in final liquid crystalline molecules. It supports synthesis routes that demand thermal and chemical stability in the nematic and smectic phases, which are critical in high-performance displays, particularly in custom design of LC mixtures for TFT and IPS screen applications.

    Industry compliance standards

    • RoHS Directive 2011/65/EU for hazardous substances
    • IEC 62474 material declaration standards
    • ISO 14001:2015 environmental management
    • Customer-specific QC for residual sulfur/fluorine levels

    Typical usage ratio

    • 0.1%–2% (w/w) based on structural requirements of each LC formulation; chemists verify functional compatibility and phase transition points

    Downstream process integration

    • Added during the Suzuki or Ullmann coupling to construct the central or terminal thiophenyl unit; purification steps typically include column chromatography and recrystallization prior to mixture blending

    Final product types

    • Custom liquid crystal molecules for high-contrast and fast-switching LCD applications
    • Specialty electronic-grade intermediates for display module manufacturers

    4. Advanced Material Precursors for Specialty Polymers

    Material science laboratories and polymer resin manufacturers integrate this raw material to tailor physical and chemical resistance in specialty plastics and coatings. The unique combination of the trifluoromethoxy and thiophenyl structural motifs directly impacts hydrophobicity, UV resistance, and surface energy modulation—engineered for demanding applications in industrial coatings and high-performance device encapsulation.

    Industry compliance standards

    • ISO 9001:2015 for quality control in polymer manufacturing
    • EU REACH registered intermediates protocol
    • ASTM D256 for polymer mechanical testing
    • Customer-specific RoHS and halogen-free requirements for electronics encapsulation

    Typical usage ratio

    • 0.2%–1% (w/w) as a comonomer or modifying agent; optimized based on polymer matrix type and end-use application tolerance for fluorine content

    Downstream process integration

    • Incorporated into the resin synthesis either during initial monomer addition for step-growth polymers or via post-polymerization modification; process flow may include solution blending, melt compounding, and thermal cross-linking

    Final product types

    • UV-resistant acrylic coatings
    • High-durability polyimide and polyarylether materials
    • Encapsulation polymers for electronics and photonic devices
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    Certification & Compliance
    More Introduction

    Introducing 4-(Trifluoromethoxy)Thiophenol: A Fresh Perspective from the Manufacturer’s Floor

    Looking at 4-(Trifluoromethoxy)Thiophenol from a Production Standpoint

    Working with specialized organic compounds changes every year as customer requirements and global regulations keep shifting. Among various aromatic thiols, 4-(Trifluoromethoxy)Thiophenol stands out as a product that we, as manufacturers, have chosen to pursue for its distinctive chemical behavior and value in downstream synthesis. We’ve worked hands-on with its entire lifecycle, from raw material sourcing to packaging, so every batch carries our own direct experience.

    Key Characteristics We’ve Built Into Our Model

    Our typical process produces 4-(Trifluoromethoxy)Thiophenol as a white to slightly yellow solid crystal. In our reactor halls, technicians watch for changes as raw starting materials undergo transformations under tightly controlled temperatures. The industrial process for this thiophenol pushes us to constantly monitor reaction pH and oxygen levels, so each kilogram reflects direct work to limit side products.

    Chemical purity in this compound means more than just a number on a certificate. Over the past decade, we’ve tuned our workflow so routine outputs reach a purity percentage upwards of 98%. Quality in the chemical world grows from attention to trace contaminants—any excess halides, residual solvents, or unreacted intermediates. Over multiple years, we’ve seen that downstream applications in pharmaceuticals and advanced material science become more reliable only if each impurity is brought down to the lowest practical level. From dense chromatography columns to continuous filtration, our facility staff relies on physical inspection and in-house analytics to verify consistency batch after batch.

    Product Specifications: Practical Considerations

    From a manufacturer’s perspective, some characteristics end up mattering more than others. The melting point, typically observed around 40–44°C, ensures this solid product fares better during transit than its lower-melting relatives. Some clients, especially custom synth labs, have asked us to tailor particle sizes for easier dissolution in organic solvents. Unlike thiophenols with longer alkyl groups, the trifluoromethoxy group resists decomposition and oxidation during normal lab use. As process developers, we load each drum knowing that odor, volatility, and corrosion resistance can make a world of difference on the lab bench and in plant-scale runs.

    Understanding the Chemistry That Sets It Apart

    The core of our 4-(Trifluoromethoxy)Thiophenol is a phenyl ring, modified with both a thiol group and a trifluoromethoxy substitution at the para position. That specific molecular shape influences downstream reactivity in unique ways. During in-house test runs, we often see that the para-trifluoromethoxy group draws electrons away from the ring, altering how the thiol behaves as a nucleophile or in coupling reactions. On a practical level, this improves outcomes when customers run Suzuki-type cross-couplings or try to introduce the molecule into heterocyclic frameworks.

    As chemical manufacturers, we spend as much time validating predictable reactivity as we do minimizing surprise side reactions. For researchers and formulation scientists, this means using 4-(Trifluoromethoxy)Thiophenol gives more control during late-stage modifications. That kind of chemical predictability can cut costs by reducing waste and unnecessary purification steps.

    A Look at Applications: What We’ve Seen in the Real World

    Clients approaching us for this thiophenol often build it into multi-step syntheses, especially in the agrochemical and medicinal chemistry fields. The presence of the trifluoromethoxy group carries value because it tends to boost metabolic stability and affects lipophilicity of the final molecule—traits highly valued by pharmaceutical companies chasing more effective drug candidates. From our facility, we ship batches not only for large-scale process chemists but also for early discovery scientists fine-tuning kinase inhibitors and other enzyme modulators.

    We’ve watched 4-(Trifluoromethoxy)Thiophenol see repeated use as a building block in the design of fluorinated bioactive scaffolds. Its high reactivity as a thiol group makes it an anchor for constructing thioethers or linking it with various aryl and heteroaryl systems through S-arylation. Chemical engineers favor the molecule’s electronic profile when seeking to introduce site-specific fluorine content into custom polymers or specialty coatings. The results on the bench make clear that its trifluoromethoxy group resists oxidative damage better than non-fluorinated analogues, which offers advantages in both storage and reaction planning.

    Comparison: How This Thiophenol Differs from Its Relatives

    In our production line, our team often fields questions about why researchers choose 4-(Trifluoromethoxy)Thiophenol over other thiophenols, such as 4-methylthiophenol or unsubstituted thiophenol. Chemical differences show up most obviously in reactivity and stability. The introduction of the electron-withdrawing trifluoromethoxy group pulls electron density from the aromatic ring, which not only decreases the nucleophilicity of the thiol group compared to unsubstituted versions, but also reduces unwanted oxidation in ambient conditions. In synthetic chemistry, this means fewer byproducts and a wider window of reaction selectivity.

    We’ve observed that some of our customers require the higher chemical and thermal stability offered by the trifluoromethoxy group, particularly when pushing reflux temperatures or working with reactive halides. This contrasts with 4-methylthiophenol, where the methyl group donates electrons, often leading to more side-chain oxidation or less predictable reactivity in cross-coupling chemistry. Pricing ultimately reflects the extra steps and raw material costs in the manufacturing of fluorinated derivatives, but for many downstream developers, the gains in reliability make the premium worthwhile.

    Production Insights: Hard Lessons and Quality Control

    Day-to-day operation of a chemical manufacturing site brings its own lessons. Small changes—shifts in solvent quality, minor variance in the pressure of our reactors—alter yields or the impurity profiles in ways that aren’t always obvious from reading published procedures. Our team commits to regular adjustments, not just in lab protocols but in industrial-scale workflows. For example, stabilizing the ratio of starting material to catalyst means we keep conversion rates high and batch reproducibility tight. We revert to round-the-clock analytics instead of only end-point testing so issues with secondary reactions get flagged earlier, before the product leaves our site.

    Customers have come to rely on direct lines of communication with our technical staff because laboratory requirements don’t always align with textbook targets. Some applications demand tighter specification on the residual halogen ion content; others prioritize the bulk density for automated dosing equipment. It’s through owning our entire production line—rather than relying on toll manufacturers or resellers—that we adjust real-time process parameters based on incoming customer feedback. Over years, we have learned that product reliability starts with our operators. They flag anything off-spec in color, odor, or melting range long before it reaches packaging.

    Regulatory and Environmental Responsibilities

    Production and handling of organofluorine compounds have always brought added scrutiny from regulators. Our crew has adopted waste containment strategies that separate fluorinated side streams from general plant waste. The sulfur component of 4-(Trifluoromethoxy)Thiophenol also means all exhaust gas goes through scrubbers, not just for compliance but for local environmental stewardship. Years ago, we invested in in-house monitoring equipment to check for trace emissions, and this early warning setup routinely spots any leaks so that action takes place before a problem escalates. Downstream, we support customer compliance needs by publishing detailed analysis on residual solvents and halide levels based on their market region—whether that's EU REACH, US TSCA, or Asian regulations.

    Handling worker safety rounds out our industrial responsibilities. Strong odors and potential skin contact risks from aryl thiols can surprise inexperienced users, which is why the plant’s internal training centers around real, hands-on exercises rather than only theoretical briefings. Packaging no longer just means a drum in a crate. Our team evaluates storage stability at varying humidity points, knowing that a misstep at this stage spoils effort spent achieving high purity during synthesis.

    Traceability and Supply Chain Perspective

    Producing specialty chemicals today means more than what happens inside our plant gates. Every drum of 4-(Trifluoromethoxy)Thiophenol we ship carries a history of raw material sourcing, tracked from purchase orders all the way to the finished product. Sourcing fluorinated building blocks, whether from domestic partners or trusted global suppliers, means vetting for both quality and ethical supply. Raw material purity can shift between lots and seasons, which adds another reason why we maintain back-up vendors and batch analysis protocols before accepting a shipment.

    Transportation adds a further challenge, especially over long distances or in extreme weather. We prepare our cargo for both air and sea, using lined drums and internal desiccants, aiming to mitigate risks from fluctuating temperature or humidity. Warehousing partners know our requirements for segregating aryl thiols away from incompatible chemicals, again based on real-world events our staff has encountered—like a missed label in a shared warehouse causing unnecessary regulatory review.

    Reinvesting in R&D for Continuous Improvement

    Staying competitive means our R&D department cannot fall behind. Over the last few years, customer requests for tighter impurity profiles and alternative solvent systems have prompted us to experiment with continuous flow syntheses and advanced purification methods. Early efforts at scaling up continuous flow equipment gave us a new set of data on residence times and byproduct suppression. Investment into real-time in-line analytics has paid off by allowing for process tuning on the fly, eliminating potential bottlenecks that batch processing in the past sometimes caused.

    Some customers request custom derivatives or modifications, such as protecting the thiol group or tweaking the fluorine content. The insights we gather from these projects impact our main production line and have let us offer both standard and custom grades for niche applications. For our production teams, these projects serve as valuable training grounds in analytical chemistry and advanced process control, investing in the chemistry talent pipeline as much as plant infrastructure.

    Collaborating Directly with End Users

    As the original manufacturers, we deal directly with synthetic chemists, technical managers, and process engineers at research facilities and industrial sites. They frequently come to us with detailed feedback or requests for technical clarification well beyond what enters a formal specification sheet. This presents an opportunity for us to see how 4-(Trifluoromethoxy)Thiophenol gets deployed in actual projects—sometimes in ways that even the literature hasn’t described yet.

    Some of our best ideas for improved packaging, better batch tracking, or modified crystal sizes have come from these real-world contacts. Whether by troubleshooting a tricky scale-up or discussing purification bottlenecks on a call, this two-way dialogue builds the product into something more useful than a standard catalog entry. We document and share these insights across our R&D and production teams so improvements reach the next set of batches, closing the feedback loop between plant and lab.

    Call for Problem-Solving in a Changing Chemical Industry

    Producing 4-(Trifluoromethoxy)Thiophenol, especially at commercial scale, reveals both the strengths and weaknesses of today’s chemical industry. Complexity grows as synthetic targets get more ambitious and regulatory frameworks get stricter. Supply chains tested by global uncertainty pressure us to plan for backup sources and to hold buffer inventories even when markets reward just-in-time thinking.

    We see a future where detailed, transparent batch analytics will become the norm not just for end-users, but for every step in the supply chain. This means more automated quality checks and tighter partnerships with transportation providers and raw material suppliers. Producers willing to take responsibility for traceability, continuous process improvement, and active feedback with their customers will lead the field. Our own experience blending on-the-ground chemical knowhow with advanced digital tracking underscores why original manufacturers have the most to offer when the process matters as much as the product.

    Why Direct Manufacturing Matters Most

    The realities of making and delivering compounds like 4-(Trifluoromethoxy)Thiophenol challenge us to do more than just meet regulatory minimums. Markets benefit from transparency and a commitment to evolving technical standards. By working directly as the manufacturer, every production decision—from raw material selection to handling finished goods—rests on our understanding of both chemistry and application.

    This hands-on approach lets us respond with agility to customer trials and unexpected challenges. Whether troubleshooting downstream formulation issues or supporting new applications with tailored batches, the value comes from integrating manufacturing knowledge with customers’ specific goals. Years spent in this business make clear that chemistry doesn’t just flow from textbooks; it is practiced, tested, and earned daily on the plant floor.

    Looking Ahead: The Next Generation of High-Value Chemicals

    Looking beyond today’s order book, we see real opportunities for high-value specialty chemicals with reliable performance. 4-(Trifluoromethoxy)Thiophenol anchors a portfolio of advanced thiols and fluorinated aromatics. Each new requirement from the pharmaceutical or materials industry becomes a challenge for R&D, analytics, and process staff to solve in partnership.

    As we move forward, investment in plant automation, digital tracking, and training of our workforce continues to bring efficiency alongside repeatable quality. Supporting both established clients and startups in pushing boundaries will always mean our teams remain directly involved in the synthesis, purification, and adaptation of products suited to the world’s next generation of science and technology.