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(4-Hydroxy-2-Methyl)Phenylboronic Acid

    • Product Name (4-Hydroxy-2-Methyl)Phenylboronic Acid
    • Alias (4-Hydroxy-2-methyl)benzeneboronic acid
    • Einecs 637-196-7
    • 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
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    Specifications

    HS Code

    573914

    Chemical Name (4-Hydroxy-2-Methyl)Phenylboronic Acid
    Synonyms 2-Methyl-4-hydroxyphenylboronic acid
    Molecular Formula C7H9BO3
    Molecular Weight 151.96 g/mol
    Cas Number 104689-98-3
    Appearance White to off-white powder
    Melting Point 186-190 °C
    Solubility Soluble in DMSO, methanol, water (slightly)
    Smiles CC1=CC(=CC=C1B(O)O)O
    Inchi InChI=1S/C7H9BO3/c1-5-4-6(9)2-3-7(5)8(10)11/h2-4,9-11H,1H3

    As an accredited (4-Hydroxy-2-Methyl)Phenylboronic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White, sealed 10g plastic bottle with screw cap, labeled `(4-Hydroxy-2-Methyl)Phenylboronic Acid, CAS 5118-53-4`, purity, and hazard warnings.
    Shipping (4-Hydroxy-2-Methyl)Phenylboronic Acid is shipped in tightly sealed containers, protected from moisture and light. It is classified as a non-hazardous chemical but should be handled with appropriate safety precautions. Packaging complies with regulatory guidelines to prevent contamination or degradation during transit, ensuring the product's quality upon delivery.
    Storage (4-Hydroxy-2-Methyl)phenylboronic acid should be stored in a tightly closed container, in a cool, dry, and well-ventilated area. Protect it from moisture, direct sunlight, heat, and incompatible substances such as strong oxidizers. Keep the storage area free from sources of ignition and ensure proper labeling. Store under an inert atmosphere, such as nitrogen or argon, if long-term stability is required.
    Application of (4-Hydroxy-2-Methyl)Phenylboronic Acid

    Applications of (4-Hydroxy-2-Methyl)Phenylboronic Acid in Industrial Manufacturing

    As an established producer of (4-Hydroxy-2-Methyl)Phenylboronic Acid, we focus on supplying this compound for precise downstream manufacturing processes across selected industries. Our technical teams work closely with industrial partners to provide consistent, specification-grade product suitable for regulated workflows. Below we outline real-world application scenarios, covering core compliance standards, formulation ratios, industrial process points, and the final market products our clients achieve through our material.

    1. Active Pharmaceutical Ingredient (API) Synthesis for Anticancer and Antidiabetic Compounds

    This boronic acid derivative serves as a key reactant in Suzuki-Miyaura cross-coupling, enabling production of pharmaceutical intermediates foundational to small-molecule APIs, particularly anticancer and antidiabetic agents. API manufacturers rely on its reactivity profile and structural compatibility with complex organic frameworks, producing molecules meeting strict pharmacopoeial monographs for global markets. Process chemists adjust formulation to target selectivity and maximize yields in multi-step synthesis routes requiring precise functional group tolerance.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP and EP Monographs for relevant APIs and intermediates
    • FDA 21 CFR Part 211 (CGMP)
    • EDQM CEP for European market APIs

    Typical usage ratio

    • 0.95–1.1 molar equivalents per targeted aryl halide, modulated by impurity control and batch size

    Downstream process integration

    • Employed in the coupling step of heterocycle or biaryl formation, introduced into reaction vessels during palladium-catalyzed coupling

    Final product types

    • Pharmaceutical intermediates for approved anticancer drugs (e.g., proteasome inhibitors)
    • Antidiabetic agent intermediates
    • Custom biaryl scaffolds for clinical R&D
    • Bulk API for tablet and injectable formulations

    2. Agrochemical Intermediate Production for Herbicide and Fungicide Synthesis

    Major agrochemical companies utilize this compound as a coupling partner in the manufacture of high-value crop protection intermediates. Its functional group profile allows selective arylation during synthesis of heteroaryl pesticides. The output materials are further processed into final actives, entering seed treatment and foliar spray product lines. Application chemists adjust input ratios based on batch throughput and target impurity specifications, under strict agricultural chemical production controls.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • FAO/WHO Specifications for Agricultural Pesticides
    • REACH Registration (European Union chemicals regulation)
    • China Pesticide Registration Standards (ICAMA)

    Typical usage ratio

    • 1.0–1.2 molar ratios relative to aryl halide intermediates, variable depending on selectivity optimization

    Downstream process integration

    • Dosed into high-shear reactors during formation of protected biphenyl or heterocycle cores in herbicide/fungicide synthesis lines

    Final product types

    • Key intermediates for triazole and pyridine-type fungicides
    • Herbicide pre-cursors for wheat, corn, and rice crop applications
    • Raw materials for formulated crop protection blends
    • Custom pesticide R&D candidates

    3. Advanced Material Monomer Synthesis for OLED Emitters and Electronic Components

    Specialty electronics manufacturers employ this molecule in the synthesis of monomers used for high-purity organic semiconductors and OLED emitter building blocks. Formulators exploit its boronic acid moiety to construct biaryl structures with tailored optoelectronic properties via cross-coupling. Precision in input ratios is dictated by polymerization degree targets and electronic device reliability standards. Downstream processing includes purification steps critical for minimizing charge transport defects in final applications.

    Industry compliance standards

    • RoHS Directive (2011/65/EU) for electronic raw materials
    • IEC 61249-2-21 for low-halogen electronic chemicals
    • ISO 9001:2015 for advanced material manufacturing
    • IPC-4101 for base materials in electronic laminates

    Typical usage ratio

    • 0.9–1.05 molar equivalents per halogenated monomer; strict anhydrous process controls maintained

    Downstream process integration

    • Used in the polymerization or coupling stages when synthesizing organic semiconductor monomers; material added to sealed vessels before heat ramp

    Final product types

    • Blue and green OLED emitter monomers
    • Precursor resins for flexible display films
    • Building blocks for organic TFTs
    • Polycyclic aromatic intermediates for display backplanes

    4. Analytical Chemical Synthesis for Boron-containing Metabolite Standards

    Chemical analysis laboratories and reference standard producers use this compound for the synthesis of boron-labeled standards, tailored for LC/MS and GC/MS quantification in research and diagnostic fields. The predictable reactivity and high purity support synthesis of calibrants traceable to SI units. Usage ratio aligns with the stoichiometric needs of the chromatography laboratories, with additional material included to offset minor handling losses during small-scale, high-purity syntheses.

    Industry compliance standards

    • ISO/IEC 17034:2016 – General requirements for the competence of reference material producers
    • ISO Guide 34:2000 for quality of certified reference materials
    • PIC/S GMP for laboratory chemicals (where relevant)
    • OECD GLP for analytical chemistry

    Typical usage ratio

    • 1.0 molar equivalent to standard target molecule; excess may be used for reaction completion in micro-scale batches

    Downstream process integration

    • Reacted in closed glass apparatus with isotope-labeled partners, forming boron-inclusive molecules that are then purified and formulated for reference use

    Final product types

    • Analytical reference standards for boron quantification
    • Metabolite calibrants for clinical mass spectrometry
    • Boron markers for environmental trace studies
    • Standard sets for food safety and residue analysis

    5. Fine Chemical Intermediate for Fragrance and Specialty Aroma Synthesis

    Leading fragrance chemical manufacturers incorporate this boronic acid compound in controlled Suzuki coupling reactions to produce structurally unique biphenyl- or phenol-derived aroma intermediates. These intermediates are further processed through reduction or esterification, then blended into fine fragrance compositions. Dosage is managed according to the aromatic strength and compound scarcity, with purity validated at each stage to comply with end-use safety disclosures.

    Industry compliance standards

    • IFRA Standards for safe use in fragrances
    • Cosmetic Ingredient Review (CIR) safety guidelines
    • REACH registration dossier conformity for specialty aroma chemicals
    • ISO 22716 Cosmetics — Good Manufacturing Practices

    Typical usage ratio

    • 1.0–1.2 molar equivalents per target halogenated precursor, adjusted for aroma yield and downstream purification loss

    Downstream process integration

    • Dosed during the aromatic coupling phase in a reactor, followed by purification and conversion to ester or alcohol for perfumery blending

    Final product types

    • Fine fragrance oils containing custom biphenyl or phenolic notes
    • Specialty aroma chemicals for perfumery houses
    • Key intermediates for luxury scent compositions
    • Bulk aroma blends for cosmetic and personal care sectors
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    Certification & Compliance
    More Introduction

    Introducing (4-Hydroxy-2-Methyl)Phenylboronic Acid: A Perspective from the Manufacturer

    Seeing Chemistry from the Inside

    Every time we open a reactor's lid and check a new batch of (4-Hydroxy-2-Methyl)Phenylboronic Acid, we’re not just looking at another product. Over the years, our team has found new ways to improve the process, boost yields, and reduce impurities before packaging anything. The way a chemical takes shape on a practical level forms the backbone of what ends up in your hands. As manufacturers, we rely on experience, small details, and honest work on the factory floor to create materials that researchers and production-line chemists can trust again and again.

    What Sets Our (4-Hydroxy-2-Methyl)Phenylboronic Acid Apart

    Anyone can blend reagents and wait for a reaction. It’s the care through each part of synthesis, isolation, and purification that makes a difference. In the case of (4-Hydroxy-2-Methyl)Phenylboronic Acid, subtle factors change everything. Moisture can cling to boronic acids, so taking shortcuts in drying or packaging leaves material less consistent and less effective for users. After years spent cleaning glassware and troubleshooting every quirk in boronic chemistry, we bring this practical experience forward.

    Most users of this compound know it as a white to off-white crystalline powder, but behind that powder sits a manufacturing history connected with Suzuki-Miyaura coupling and other reactions that demand reliability. We never lost sight of the end user watching for reproducibility, purity, and ease of handling. Unlike traders or resellers, we control the process from setup through analysis, so adjustments happen on-site, not long after material leaves a plant.

    Model and Specifications: More than Numbers

    We produce (4-Hydroxy-2-Methyl)Phenylboronic Acid under a consistent workflow shaped by direct experience in boronic acid synthesis. Each batch meets tight purity specs as measured by HPLC, GC, or NMR—step-by-step, not just on a final cert. Typical assay values exceed 98%, and we keep water content below 0.5% with active drying techniques tuned to boronic acid behavior. Particle size and appearance don’t just follow written specs; our staff checks for flow and ease of weighing by hand, too. Chemistry looks small-scale under an NMR, but after packaging a hundred or a thousand kilos, serious differences emerge between materials handled on a bench and those produced for the world.

    Our batches ship with comprehensive analytical reports—this means real test results from product as shipped, not a file copied month after month. Packing—double bagged under inert atmosphere—helps guard against hydrolysis and degradation. Shelf life gets checked with accelerated stability, not just extrapolated from old data.

    Usage Driven by Real-World Experience

    On paper, (4-Hydroxy-2-Methyl)Phenylboronic Acid serves as a key building block for cross-coupling reactions. In the real world, chemists see boronic acids as indispensable pieces when creating new APIs, agrochemicals, and advanced materials. Demand for this compound comes from researchers scaling up Suzuki reactions, exploring new aryl-aryl bonds, or developing structure-activity relationships where a hydroxyl or methyl group can tip solubility or bioactivity. Some work focuses on specialty polymers; others need boronic acids for rapid medicinal screening projects.

    Because the hydroxyl and methyl substituents fine-tune both steric and electronic influences on the aromatic ring, reactions behave differently than if you used simple phenylboronic acid or less-substituted analogs. The subtle tuning here lets chemists generate libraries or target highly specific substitution patterns—outcomes shaped by years of incremental discovery in the lab. Our product owes its repeat orders to this kind of practical need, not just textbook summaries.

    Packaging also matters for usage: smaller lots help academic labs run pilot studies, but larger drum shipments lower total costs for pilot or production-scale chemistry. Our stance has always been that the right pack size supports users, not the other way around. Less wastage, simpler inventory, fewer opening cycles, and less time scooping and weighing add up. That philosophy settles debates over quality control, too, because neither the compound nor its handling gets generic treatment.

    Market Trends and User Needs: Why Details Matter

    Market demand for (4-Hydroxy-2-Methyl)Phenylboronic Acid has grown as pharmaceutical and materials science fields demand more customization and cleaner chemistry. Every uptick in complexity means starting material specs tighten year over year. Minor impurities that might pass with broader specs can lead to failed drug candidates, lower catalyst activity, or inconsistent polymer properties. Over time, we watched users shift away from the lowest-cost sources toward products with traceability, batch documentation, and manufacturing confidence.

    Chemists expect each drum or bottle to behave identically to the last, batch-to-batch. That trust comes from data and honest process control, not from generic warehouse inventory. Managers in R&D or pilot production want pricing stability and guaranteed shelf life, but above all, they return to sources with track records—delivering the right boronic acid for real reaction schemes.

    Differences from Traditional Phenylboronic Acids

    Many players in the fine chemical sector offer a menu of substituted boronic acids, but the (4-Hydroxy-2-Methyl) version stands apart because of its distinctive reactivity profile. The phenolic hydroxyl group can engage in hydrogen bonding or serve as a point of further functionalization. Meanwhile, the methyl at the ortho position blocks certain orientations in coupling reactions, sometimes leading to greater regioselectivity or different electronic demands.

    Users switching from unsubstituted phenylboronic acid or from para-substituted analogs notice the impact as soon as they optimize reaction conditions. Our technical staff frequently consults with clients running into unexpected TLC patterns or recovery issues, and they find that high purity, low water, and consistent substitution patterns make a world of difference. Some substituted boronic acids prove notoriously hygroscopic, clumping or degrading if not handled properly. Fielding these calls day after day means our packaging and production take such quirks into account long before orders ship.

    This acid dissolves differently, reacts at shifting temperatures, and can serve as a better model system for meta/ortho selectivity studies or projects in targeted drug discovery. That’s only visible through fresh analytics and long-term experience synthesizing hundreds of kilos across changing regulatory environments.

    Quality through Control—Not Hype

    Lots of suppliers promise analytical purity or compliance with industry standards. The reality on the shop floor looks much more complicated. Many intermediates like (4-Hydroxy-2-Methyl)Phenylboronic Acid absorb water or degrade in air, even if bottled up with desiccants. Cold weather, summer humidity, or shipping mishaps can easily spoil a product before it lands on the scales in a formulation lab.

    In our plant, lab and production staff communicate every shift, reviewing stability trends and packaging failures. Tracking numbers for every drum trace back to original raw materials and process points. We noticed early on that simple sticking points—inefficient washing, inconsistent filter cake drying, or casual labeling—lead to big headaches for both us and the end user. Resolving those issues took months of engagement with frontline staff and a policy of direct feedback from chemists actually running the reactions. We shifted packaging material and storage protocols more than once, updating based on site visits where users opened untouched suppliers’ drums and found unhappy surprises.

    Cleaner process lines and shorter final drying steps, both simple sounding, cut down reported failures by a substantial margin over three years. No spec sheet achieves that kind of progress; only open inspection, detailed notes on each batch, and listening to what happens on the bench and in the field.

    Advanced Applications and Out-of-the-Box Approaches

    The biggest names in pharma and materials science often drive development of (4-Hydroxy-2-Methyl)Phenylboronic Acid, but our staff talks with small startups and academic teams just as often. New coupling methods, modified catalysis protocols, or device applications might draw from a deep library of boronic acids—yet only a handful of manufacturers reliably support the transition from 10-gram vials to several-kilo drums.

    During scale-up, traceable changes such as lot-to-lot performance and impurity fingerprints matter more than how beautifully a product falls out of crystallization. Chemists explore this acid for functionalized aromatic systems, biodegradable linker compounds, and responsive materials in sensing and diagnostics. Many projects demand a balance between reactivity and resistance to oxidation or hydrolysis, and these traits directly follow from manufacturing diligence and supplier transparency. It’s easy to underestimate the learning curve in shifting from theoretical mechanism to factory-scale yield. That’s where a manufacturer with manufacturing roots carries weight.

    Long before a new molecule runs through human clinical trials or gets applied in environmental sensing, it passes through dozens of hands, each stage building on knowledge that starts at synthesis. We advise customers on storage, handling, and scale-up—not from secondhand advice, but from repeated trials, missed yields, and every batch that pushed us to revise our process or documentation.

    Differences in Handling and Storage: Lessons from the Plant

    Boronic acids like this aren’t plug-and-play; they evolve depending on conditions. Our facility keeps environmental controls in the packing area, not just the warehouse. From experience with container failures and product degradation, we adopted moisture- and oxygen-barrier liners even for small orders. Our technical team runs long-term and accelerated stability protocols, reporting shelf life based not on theory, but on real-world storage. Educating each client—lab director or bench chemist—about thaw cycles, container resealing, and transfer protocols cuts down waste and material loss.

    Over many seasons, trends emerge. Material left in open bins or in unsealed glass absorbs more water and may discolor—not because of flaws in initial synthesis but because small details in packaging or supply chain aren’t carried over. Repeated training, clear documentation, and preemptive checks for package integrity lower the odds of ruined product before it ever reaches a customer's bench.

    We avoid marketing platitudes about "easy handling" and instead, keep to tested tips and cooperative troubleshooting. That open approach became the norm after learning, again and again, what works when you control the entire chain from synthesis kettle to customer.

    Supporting Innovation with Stability and Transparency

    Chemists and material scientists need reliable reference points when exploring new reactions. Adopting (4-Hydroxy-2-Methyl)Phenylboronic Acid from makers directly involved with synthesis, packaging, and support gives users that security. Instead of relying on secondary traders, picking a path from the manufacturing line offers total alignment of technical data, product labeling, and complaint resolution. Every dialogue with a lab running this product feeds back into improved process parameters, analytical methods, and clean-up protocols.

    No two production runs are exactly the same, even using tightly controlled SOPs; but direct communication between the plant and the end user smooths variation, prevents error magnification, and sets expectations based on tested chemical knowledge. Research shifts faster now than it did even a decade ago, and the pressure on precision, compliance, and supply continuity all rise in turn.

    From the manufacturing side, every edit to a work instruction, every tweak to filtration or recrystallization, and every trial at higher-concentration prep reflects direct feedback from the bench or the pilot line. Fielding frequent customer queries and staying close to the reactions themselves keeps everything rooted in practical chemistry, not just paperwork.

    Potential Solutions to Common User Challenges

    Handling and application sometimes reveal challenges: solubility in specific solvents, stickiness of powders at scale, or batch inconsistencies across pilots. Working from the manufacturing perspective, several solutions come to the fore. Our controls on particle morphology and packaging line humidity cut down on caking. For trials showing reactivity shifts, cross-checking trace metals and residual solvents routinely prevents unexplained coupling failures.

    For multistage synthesis projects, our technical team advises on process modifications based on observed yields and in-house trends—offering real advice rather than just standard technical data sheets. When customers voice shelf-life concerns, we report actual stability data and suggest custom packaging or refrigerated shipping. One-size-fits-all simply does not describe fine chemical manufacturing or user needs. Open communication, live batch data, and site-specific consultation often turn a slow yield or an unexpected analytical blip into a chance for mutual learning and improvement.

    Commitment Goes Beyond the Reaction

    Chemical manufacturing seldom offers easy answers. With (4-Hydroxy-2-Methyl)Phenylboronic Acid, every lot we ship comes after hard-won knowledge, not just rehashed specifications. The details of how the product gets made, checked, and packed really do shape its impact in research and industry. Daily challenges in the plant—from moisture control to batch consistency—aren’t abstract issues. They’re real hurdles, requiring attention, investment, and teamwork between every part of our organization and yours.

    We don’t claim perfection or pretend every batch sails through without surprises. What we promise rests on experience, open communication, and the lessons learned across years of practical production. Each specification report and consultation session marks just one step in an ongoing, direct relationship—manufacturer to chemist, with transparency and reliability up front.