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4-Propoxycarbonylphenylboronic Acid

    • Product Name 4-Propoxycarbonylphenylboronic Acid
    • Alias 4-(Propoxycarbonyl)phenylboronic acid
    • Einecs 696-190-6
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    929340

    Chemical Name 4-Propoxycarbonylphenylboronic Acid
    Molecular Formula C10H13BO4
    Molecular Weight 208.02 g/mol
    Cas Number 104350-07-2
    Appearance White to off-white solid
    Melting Point 170-175°C
    Solubility Slightly soluble in water; soluble in organic solvents
    Purity Typically ≥98%
    Storage Conditions Store at 2-8°C, in a dry place
    Synonyms 4-(Propoxycarbonyl)phenylboronic acid
    Smiles B(C1=CC=C(C=C1)C(=O)OCCCN)(O)O
    Application Used as an intermediate in organic synthesis and Suzuki coupling reactions

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

    Packing & Storage
    Packing Sealed amber glass bottle containing 25 grams of 4-Propoxycarbonylphenylboronic Acid, labeled with chemical name, purity, and hazard symbols.
    Shipping 4-Propoxycarbonylphenylboronic acid is shipped in secure, chemical-resistant containers to prevent contamination and moisture exposure. Packaging complies with all relevant safety and regulatory guidelines. The product is labeled with hazard information and shipped via approved carriers, ensuring safe handling during transit. Temperature control is maintained as required for chemical stability.
    Storage 4-Propoxycarbonylphenylboronic Acid should be stored in a tightly sealed container, away from moisture and incompatible substances. Keep it in a cool, dry, and well-ventilated area, ideally at 2-8°C (refrigerator). Protect from light and sources of ignition. Proper labeling and adherence to safety data sheet (SDS) recommendations are essential for safe handling and storage.
    Application of 4-Propoxycarbonylphenylboronic Acid

    Applications of 4-Propoxycarbonylphenylboronic Acid in Industrial Manufacturing

    4-Propoxycarbonylphenylboronic acid serves as a specialized intermediate in advanced industrial sectors. Its structure provides unique reactivity for carbon–carbon bond formation and ester group transformations, supporting innovation in targeted downstream processes. Below we detail its practical roles in key application fields.

    1. Active Pharmaceutical Ingredient (API) Synthesis—Aryl Boronic Acid Cross-Coupling

    Pharmaceutical manufacturers rely on this compound as a functional boronic acid for Suzuki-Miyaura cross-coupling, introducing a protected aromatic group while maintaining high purity. It allows medicinal chemists to construct biaryl structures found in kinase inhibitors, anti-cancer drugs, and investigational small molecules. Quality management dedicates batch controls to ensure trace metals and impurity profiles remain within strict specification ranges throughout multi-step synthesis campaigns.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP and EP residual solvent guidelines
    • FDA DMF Filing where applicable
    • Custom specifications defined by target molecule route

    Typical usage ratio

    • 0.9–1.5 equiv relative to aryl halide, adjusted for coupling efficiency and scale

    Downstream process integration

    • Added in the coupling step following aryl halide introduction, before deprotection and salt formation

    Final product types

    • Small molecule targeted therapies (e.g., kinase inhibitors)
    • Pharmaceutical development intermediates
    • Clinical trial material batches

    2. Agrochemical Intermediate for Herbicide and Fungicide Synthesis

    Agrochemical producers employ 4-propoxycarbonylphenylboronic acid as a coupling building block, especially for synthesizing biaryl derivatives that exhibit herbicidal and fungicidal properties. Its ester moiety facilitates selective hydrolysis or further transformation after the coupling step, ensuring precise substitution patterns without side reactions common to other reactive groups. Plant-scale facilities optimize batch input based on targeted product structure and process yield data.

    Industry compliance standards

    • FAO/WHO specifications for technical active ingredients
    • ISO 9001:2015 Quality Management
    • Chemical control under REACH Annex XVII

    Typical usage ratio

    • 0.7–1.3 equiv per halogen compound in the coupling matrix; determined by step yield and downstream conversion rate

    Downstream process integration

    • Introduced at the phenyl ring expansion stage, prior to ester saponification and formulation

    Final product types

    • Biphenyl-based herbicide actives
    • Biaryl fungicide compounds (e.g., strobilurins intermediates)
    • Crop protection development samples

    3. Electronic & OLED Chemical Precursor

    Electronics industry manufacturers select this functionalized boronic acid for preparing advanced organic semiconductors. It serves as a linker in the synthesis of conjugated polymers and arylated fluorene derivatives, contributing to controlled molecular weight distribution in organic LED (OLED) and TFT applications. Production environments perform rigorous metal residue and particle filtration to meet electronic industry purity requirements.

    Industry compliance standards

    • IEC 61340 standard for handling electrostatic-sensitive chemicals
    • JEITA organic electronic material guidelines
    • Lot-specific Certificate of Analysis (metals/purity)

    Typical usage ratio

    • 1.0–1.2 equiv for Suzuki coupling per monomer unit, with adjustments for chain length control

    Downstream process integration

    • Charged after pre-polymerization activation, Reacts with dibrominated monomers, then advanced to polymer workup and purification

    Final product types

    • OLED emissive layer building blocks
    • Photoactive organic semiconductor compounds
    • Polymeric intermediates for display applications

    4. Advanced Materials for Specialty Polymers and Coatings

    Specialty polymer formulators use this compound to introduce aryl boronic acid motifs, which allow for further modifications such as cross-linking or pendant functionalization. Its protected ester group can undergo transesterification or selective hydrolysis, enabling block copolymer synthesis for coatings requiring high chemical resistance or tailored adhesion. Thorough in-process validation and cleanliness checks remain crucial to avoid introducing trace organometallic residues into polymer matrices.

    Industry compliance standards

    • ISO 9001:2015 for polymer manufacturing quality
    • Environmental controls under local EPA (EPA) or ECHA regulations
    • Specific customer technical specification sheets

    Typical usage ratio

    • 1–5% by molar input relative to main monomer; ratio tailored for desired copolymer block length or cross-link density

    Downstream process integration

    • Introduced post-initiator addition during copolymerization, or as a discrete comonomer batch; followed by end-capping, hydrolysis, and formulation into coating systems

    Final product types

    • High-performance polymer resin systems
    • Functional specialty coatings for electronics and automotive
    • Block copolymer additives with reactive boronic functionalities

    5. Chemical Reference Standards and Analytical Synthesis

    Analytical laboratories and custom synthesis providers utilize this compound as a reference material and for targeted derivatization reactions where a propoxycarbonyl protected aryl boronic group is required. It ensures traceable results in method validation, purity reference calibration, or in the preparation of analytical intermediates for chromatographic applications. Batches are certified for traceability, solvent residuals, and stability for analytical use cases.

    Industry compliance standards

    • ISO/IEC 17025:2017 for laboratory competence
    • Analytical reagent purity requirements (ACS, Ph. Eur. standards)
    • Traceability documentation for metrological applications

    Typical usage ratio

    • Varies; typically 1 mg to 100 g scale per analytical or preparative batch, adjusted by target reference or test method

    Downstream process integration

    • Weighing and dissolution prior to standard solution preparation, or as a spiking compound in calibration and recovery testing

    Final product types

    • Reference standards for chromatographic analysis
    • Analytical derivatization benchmarks
    • Purity control intermediates for lab validation
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    Certification & Compliance
    More Introduction

    4-Propoxycarbonylphenylboronic Acid: Quality from Direct Manufacturing

    Introduction from Our Production Team

    Every step in the creation of 4-Propoxycarbonylphenylboronic Acid reflects years of hands-on experience with organoboron technology. As a direct manufacturer, we've learned that consistency begins with raw material purity and continues through to the care in our finishing procedures. Our model, designated 4-Propoxycarb-Ph-B(OH)2, has built a reputation with chemists working in pharmaceutical research, agrochemical synthesis, and advanced materials discovery. The formula encapsulates more than a string of atoms—it carries the signature of our meticulous processes and the commitment of every technician involved in its crafting.

    Specification Insights from the Production Floor

    Specifications are more than numbers—they are checkpoints honed by daily practice. The product has a well-defined melting range, tight purity parameters by HPLC, and routinely low moisture content thanks to controlled drying protocols. We monitor for trace metallics in every batch, using equipment tuned over countless calibration cycles. Each sample tells its own story in the lab, and batches that don’t meet expectations never leave. Our entire workflow stays geared toward producing a product that synthetic chemists can rely on without doubting the next reaction’s outcome.

    Practical Utility in Synthesis

    Over years of meeting with clients and fielding questions, we've noticed how the real value of 4-Propoxycarbonylphenylboronic Acid shines during Suzuki-Miyaura couplings. Its para-positioned propoxycarbonyl group provides electronic effects that make palladium-catalyzed cross-couplings more straightforward, often leading to improved conversions in arylated and heterocycle products. Research teams in drug discovery pipelines gravitate toward this molecule because it unlocks access to complex active pharmaceutical ingredient intermediates. Factory-scale batch syntheses feature it for key acylation sequences—our process supports kilogram-level production runs for clients scaling up preclinical work. The story comes full circle when clients report higher yields or cleaner isolation steps, reducing waste and trimming downstream purification costs.

    Comparing 4-Propoxycarbonylphenylboronic Acid with Related Boronic Acids

    Having produced a broad range of arylboronic acids, we’ve seen subtle changes in structure profoundly affect outcome. 4-Propoxycarbonylphenylboronic Acid stands apart from its methyl or ethyl ester cousins, as the longer propoxy chain influences both solubility and reactivity during coupling reactions. This isn’t just academic—the para-propoxycarbonyl substitution helps temper hydrolytic instability that can frustrate work-ups using similar boronic acids. Chemists tell us this difference saves time in column chromatography and sidesteps formation of boroxine byproducts often seen with more volatile analogs. The resulting crude tends to filter better, cutting down on total solvent use and exposure in the lab. Every manufacturing lot carries a fingerprint—those working with the methyl analog quickly spot the slower reaction rates or observe extra foaming in aqueous systems. Our product’s profile reduces those headaches, making it a preferred choice for demanding industrial-scale or sensitive laboratory settings.

    Consistent Batch Quality—The Result of Direct Supervision

    On our shop floor, the work doesn't end when a reactor stops churning. Cell leader reviews, cross-training, and over-the-shoulder mentoring ensure that even as outputs climb, standards don’t slip. Technicians handle crystallizations by hand, recording viscosity and color changes to catch deviations early. Recrystallization solvents and temperature ramps have been fine-tuned over dozens of production cycles—this hands-on routine narrows the spread in particle size and boosts flow during packaging. Unlike what reaches the market from intermediaries, nothing gets relabeled between us and the customer. Our brand tags reflect real inspection data and direct experience, and every sample request triggers a new review by our QC chemists. This continual dialogue pushes the process to keep up with evolving industry needs—it’s not just about what the certificate says, it’s about what people see on the bench every day.

    Supporting Research and Process Innovation

    We engage with leading academic and commercial labs to keep our product tuned to real-world goals. This feedback shapes minor modifications, such as adjusting particle size distribution for better suspension in automated continuous-flow systems or optimizing container materials for longer shelf-life at ambient storage. As direct producers, we have the agility to react to a client’s scale-up trial—if a university team inverts the usual solvent system, we take those learnings back to the plant for the next run. Our notepads fill with insights from these collaborations, and every improvement helps move the needle for the community at large. This spirit of open communication empowers us to support development projects where technical flexibility matters more than bulk pricing.

    Handling and Storage Considerations Based on Firsthand Experience

    From the warehouse to the workbench, handling 4-Propoxycarbonylphenylboronic Acid requires attention to detail that only working with the chemistry teaches. Moisture content must stay low—our drying ovens run slow cycles calibrated against seasonal humidity swings, since boronic acids pick up water quickly if left uncapped. Freshly filled drums receive tamper-evident seals, and we include desiccants in every shipment. Technicians avoid open scoops; instead, we provide easy-flow pour tops and recommend single-use spatulas, which our own staff prefer on the filling line. Extended storage never gives rise to problematic solidification, a result of controlling particle aggregation at the micron level during synthesis. Labs working on long-term projects mention the convenience of retrieving consistent, free-flowing powder from start to finish, streamlining multi-month research without worrying about caking or degradation.

    Sustainability and Environmental Impact—Priorities at Scale

    Manufacturing boronic acids safely and responsibly isn’t just about compliance. Over a decade ago, we began to redesign solvent selection and minimize heavy metal waste. Today, we recover and purify organic solvents with proprietary in-house distillation setups, and non-recoverable fractions get separated for high-temperature incineration, ensuring hazardous residues never cross into the water table. Plant operators collect statistical data on water and energy consumption daily, tracking improvements from seemingly minor tweaks—like adjusting cooling water cycles—into tangible carbon footprint cuts. We replaced labor-intensive manual pH neutralizations with closed-loop titration systems to cut down on operator exposure and make exothermic reactions easier to control. Even off-spec waste receives careful processing; boron slurries remain isolated, never mixed with other waste streams, to limit cross-contamination.

    Feedback from the Field—Lessons Learned in Customer Support

    Fielding calls from chemists frustrated by unreliable supply or inconsistent purity, our technical support team draws on their direct shop floor experience. We’ve assisted troubleshooting on multi-step syntheses where a minor shift in boronic acid quality made or broke a patent submission. Process chemists noted our product’s higher solubility in DMF and tested reaction times; production campaigns reported lower filtration loss using our batches. We gather these insights, log them, and pass them to our staff for immediate response—every issue triggers a root-cause investigation. Instead of distributing blame, we invite researchers for process visits, getting firsthand feedback for the next iteration. Directly hearing what works and what doesn’t reverses the usual customer relationship—our internal teams see firsthand the difference that seamless product performance delivers.

    Continual Training and Investment in Personnel

    The skill behind our product’s performance reflects ongoing training. Every new hire cycles through both the pilot and commercial plants before leading production themselves. Our older technicians mentor the new hands, teaching how a genuine batch of 4-Propoxycarbonylphenylboronic Acid should smell, how its crystals scatter in the tray, and what purity ‘feels’ like under an IR lamp. Our bulk weighing stations feature double checks—every sample receives both automated and manual mass verification. Career chemists draw from a continuous education fund, taking part in webinars on new cross-coupling technologies and quality advancements. Our group shares discoveries internally, keeping everyone challenged and engaged, from night shift operators to R&D staff. The result is not just stable production—it is a culture where every unit meets a shared bar for excellence.

    Challenges and Solutions—Facing Regulatory and Market Shifts

    Regulatory tides can shift quickly, especially with upcoming restrictions on specific solvents, or new classifications for intermediate compounds. We keep a close eye on documentation standards—audit-readiness shapes more than just file cabinets. Tracking raw material origins and rigorous chain-of-custody records, we make sure our documentation responds as fast as legal changes emerge. Chemists working at the bench don’t feel these pressures, but shop floor managers and documentation teams often coordinate days in advance to ensure unchanged lead times for our clients. Market volatility—driven by global events or by the emergence of newly published couplings—means we prepare buffer inventory to bridge temporary supplier gaps. Our direct relationships with glassware and filter manufacturers let us adjust supply without lag, smoothing variations for our partners developing new compounds or scaling up established syntheses.

    Supporting Continuous Process Improvement

    Every successful campaign in the lab reflects process discipline upstream. Our team meets weekly to go through production records not just for compliance, but to find marginal gains—solvent recapture rates, reaction temperature profiles, or post-reaction pH control. Client feedback becomes actionable targets, such as developing a denser powder version for automated weighing stations in high-throughput screening labs. Sometimes innovation begins with a single operator’s suggestion—a batch record annotated with a near-miss or a shortcut that worked—collated and shared so small changes stack up over time. We aim for flexibility: tooling up new packaging for customers who request single-use sachets or adjusting particle fineness based on performance reports. Our production supports client process improvement efforts, keeping their operations competitive and reliable.

    Future-Ready Production Methods

    We invest in equipment that enables scalability without compromising the product’s properties. Our multi-purpose reactors permit both small-batch custom development and multi-tonne commercial campaigns, allowing us to serve exploratory researchers and major manufacturers alike. Automated monitoring and closed-transfer lines keep time, temperature, and addition rates within strict tolerances—crucial for hitting the same purity every run. By minimizing manual handling, we cut both risk and operator fatigue, letting teams focus on confirming that every lot performs as promised. This flexibility allows us to rapidly shift between different boronic acid derivatives if new structure-activity relationship studies demand it, leveraging our supply chain relationships to maintain speed and reliability.

    Building Trust through Direct Partnerships

    Our position as a manufacturer puts transparency and accountability at the core of each transaction. Our order fulfillment happens alongside real-time status updates, and any shipping anomaly triggers a direct response from our logistics coordinator. Clients gain access not only to lots and batch documentation, but also to technical staff prepared to explain any deviation or unexpected observation. In conversations with regular buyers, we learn how production schedules impact research milestones or funding cycles—in some cases, we have expedited custom syntheses to help a partner’s clinical batch materialize on time. This commitment grows stronger through ongoing dialogue, whether adjusting shipping dates around holidays or developing alternate pack sizes for easier solvent addition.

    Conclusion: Elevating a Commodity with Experience

    Behind every kilogram of 4-Propoxycarbonylphenylboronic Acid exits a production line guided by thousands of hours’ experience, real-world feedback, and a continuous drive for betterment. Synthesizing this compound demands more than recipe-following; it calls for a deep familiarity with nuances of structure, reactivity, and customer demand. As manufacturers, we don’t simply fill orders—we engage in a hands-on partnership, working with the entire supply chain to keep research and industry moving forward. Each batch reflects what’s possible when expertise, observation, and action converge at scale.