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4-Bromo-3,5-Dimethoxybenzyl Alcohol

    • Product Name 4-Bromo-3,5-Dimethoxybenzyl Alcohol
    • Alias BDMBA
    • Einecs 629-041-6
    • 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

    452916

    Chemical Name 4-Bromo-3,5-Dimethoxybenzyl Alcohol
    Cas Number 51851-44-8
    Molecular Formula C9H11BrO3
    Molecular Weight 247.09 g/mol
    Appearance White to off-white solid
    Melting Point 94-98 °C
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥98%
    Smiles COC1=CC(Br)=C(CO)C(OC)=C1
    Inchi InChI=1S/C9H11BrO3/c1-12-7-3-6(5-11)9(10)8(4-7)13-2/h3-4,11H,5H2,1-2H3
    Storage Conditions Store at 2-8°C, keep container tightly closed

    As an accredited 4-Bromo-3,5-Dimethoxybenzyl Alcohol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle, 25 grams, with screw cap. Label displays chemical name, CAS number, hazard symbols, and handling instructions.
    Shipping 4-Bromo-3,5-Dimethoxybenzyl Alcohol is shipped in tightly sealed containers, protected from light and moisture. It is packed according to all relevant chemical safety regulations, including labeling with hazard information. Transportation follows DOT/ADR/IATA guidelines, ensuring stability and preventing leaks or contamination. Handle with appropriate personal protective equipment upon receipt.
    Storage Store 4-Bromo-3,5-dimethoxybenzyl alcohol in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers. Keep the container tightly closed and clearly labeled. Use glass or suitable chemical-resistant containers. Ensure proper laboratory safety protocols, including storage in a segregated area for hazardous chemicals, and avoid contact with heat or sources of ignition.
    Application of 4-Bromo-3,5-Dimethoxybenzyl Alcohol

    Applications of 4-Bromo-3,5-Dimethoxybenzyl Alcohol in Industrial Manufacturing

    As a direct manufacturer, we supply 4-Bromo-3,5-Dimethoxybenzyl Alcohol for targeted B2B sectors. This specialty aromatic intermediate supports advanced chemical synthesis in several strictly regulated industries. Our consistent quality and rigorous quality control ensure stable input for downstream production.

    1. Pharmaceutical Intermediate for Antiviral and CNS Drug Synthesis

    Pharmaceutical companies utilize 4-Bromo-3,5-Dimethoxybenzyl Alcohol as a building block in the multistep synthesis of small-molecule APIs, notably within antiviral and central nervous system (CNS) drug development. Its brominated and methoxy-modified core scaffolds enable functionalization under specific reaction parameters. Medicinal chemists value the high purity due to the impact on yield and impurity profile when scaling up to pilot or GMP batches. Process chemists typically deploy this intermediate during Suzuki, Buchwald-Hartwig, and etherification reactions, requiring precise stoichiometric control and GMP-compliant traceability from incoming raw material receipts to intermediate isolation.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US FDA 21 CFR Parts 210/211
    • European Pharmacopoeia monograph reference and impurity limits
    • China GMP – CFDA Guidance for API manufacture

    Typical usage ratio

    • Ranges from 0.8 to 1.2 molar equivalents, adjusted based on desired API functional group installation and reaction efficiency
    • Pilot scale trials may use slight excess (1.05-1.10 eq) to drive completeness

    Downstream process integration

    • Introduced at the protected phenol/aryl bromide coupling step
    • Used prior to deprotection or further halogen substitution
    • Integrated into multi-stage batch reactors with validated in-process controls

    Final product types

    • Finished APIs for CNS disorder treatment (e.g., Parkinson's, depression)
    • Antiviral agent precursors
    • Therapeutic intermediates for regional pharma compounding

    2. Agrochemical Arylation Intermediate for Fungicide and Herbicide Synthesis

    Agricultural chemical producers rely on this raw material for its aryl bromide motif, crucial in the synthesis of heterocyclic fungicides and herbicide compounds. Large-scale reactors employ the substrate in C-C coupling reactions with organometallics or via halogen exchange methods. The fine-tuned methoxy substitutions impact bioactivity, selectivity, and stability of the final agro-formulations. Final QA testing traces back each lot of raw material to confirm impurity thresholds and environmental compliance regarding halogenated intermediates.

    Industry compliance standards

    • FAO/WHO Specifications and Evaluation for Plant Protection Products
    • ISO 9001:2015 for raw material traceability
    • REACH Regulation (EC) No 1907/2006 for registration of intermediates
    • US EPA Pesticide Registration requirements (40 CFR Part 158)

    Typical usage ratio

    • 0.95 to 1.05 molar equivalents per batch for coupling steps
    • Higher ratios for process optimization in pilot-stage herbicide synthesis

    Downstream process integration

    • Introduced as substrate in Suzuki or Stille cross-coupling runs
    • Fed-batch or continuous-flow lines utilize metered addition for scalability
    • Post-coupling, proceeds to cyclization or heteroaromatic derivatization

    Final product types

    • Protective fungicides for grains and oilseed crops
    • Broad-spectrum herbicides targeting resistant weeds
    • Agrochemical active ingredient formulations

    3. Specialty Dye and Pigment Intermediate for High-Performance Colorants

    Specialty pigment formulators incorporate this raw material into manufacture of functional dyes for plastics, inks, and coatings. The benzyl alcohol motif enhances solubility and chromophore reactivity during synthesis of complex azo or phthalocyanine structures. Production lines demand tight input QC, ensuring color consistency in subsequent blending and dispersion. Compliance with colorfastness and heavy metal limitations is mandatory for market approval, particularly for products used in packaging and consumer goods.

    Industry compliance standards

    • EN 71-3:2019 for safety of toys (heavy metals migration)
    • OEKO-TEX Standard 100 for textiles and pigments
    • ISO 787 (General methods for pigments and extenders)
    • REACH SVHC reporting for colorant raw materials

    Typical usage ratio

    • 5–15% by mass of total pigment precursor blend
    • Fine-tuned for target color shade and stability

    Downstream process integration

    • Used at oxidative coupling or condensation phase for dye synthesis
    • Added prior to sulfonation or halogen-substitution for pigment development
    • Dispersion into solvent-based or water-based masterbatches for coloring applications

    Final product types

    • High-stability pigments for automotive or industrial coatings
    • Solvent or waterborne inks for printing
    • Color additives for engineering plastics

    4. Fine Chemical Intermediate for Electronic and Photonic Materials

    The electronics sector utilizes this compound in the synthesis of advanced photoresist agents, organic semiconductors, and dielectric materials. Its substituted benzyl alcohol structure supports controlled electron-donating and -withdrawing modifications, crucial for fine-tuning material performance. Large fabs and materials manufacturers require full batch documentation for quality audits, while compliance to halogenated compound restrictions for export and device safety remains a priority.

    Industry compliance standards

    • IEC 62474 for declaration of materials in electronics
    • RoHS Directive (EU) 2015/863 (lead, mercury, halogen restrictions)
    • IPC-1752A Material Declaration Management
    • ISO 14001:2015 Environmental Management System

    Typical usage ratio

    • 1–3% by mass within formulation for custom photonic compounds
    • Ratio adjusted based on desired dielectric strength and curing rate

    Downstream process integration

    • Input for pre-polymerization modification of polymeric matrices
    • Incorporated at doping or crosslinking step in resist manufacturing
    • Purification by crystallization or solvent extraction before device integration

    Final product types

    • Photoresist films for semiconductor lithography
    • OLED display materials
    • Coatings for flexible printed circuits
    Free Quote

    Competitive 4-Bromo-3,5-Dimethoxybenzyl Alcohol prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    4-Bromo-3,5-Dimethoxybenzyl Alcohol: Practical Insights from the Manufacturer’s Perspective

    Introduction to 4-Bromo-3,5-Dimethoxybenzyl Alcohol

    In the world of specialty organic chemicals, 4-Bromo-3,5-dimethoxybenzyl alcohol stands out for its balance of reactivity and reliability. Our team deals with this compound every day, carefully synthesizing, monitoring, and packaging it for downstream producers and researchers. Having worked with countless batches and a variety of end-users, we’ve come to understand both its unique contributions and the details that set it apart from similar benzyl alcohols and brominated derivatives.

    Chemists gravitate toward this molecule for its dual protected methoxy groups, which reduce unwanted side reactivity during coupling reactions, and the para-positioned bromine, which broadens its utility in aromatic substitution and further derivatization. We follow a strict multi-step synthetic route, prioritizing purity, to guarantee the consistent performance that medicinal and materials chemistry projects demand. Many users ask us what differences they’ll notice compared to more conventional benzyl alcohols, such as unsubstituted or mono-substituted analogues. The answer boils down to subtle electronic effects and steric shielding — features that can make or break advanced synthesis campaigns.

    Chemical Essence and Handling Experience

    From our experience, 4-Bromo-3,5-dimethoxybenzyl alcohol reveals itself as a pale crystalline solid, easily handled with standard laboratory precautions. Its melting point settles within a reliable range, helpful during purification and analytical confirmation. The structure’s extended aromatic ring encourages downstream modification, a valuable asset when crafting intermediates for pharmaceutical or agrochemical research.

    Handling this compound daily, our technicians take note of its stable shelf life under recommended storage conditions. Compared to lighter benzyl alcohols, its bromine atom increases molecular heft and can alter hydrophobicity, affecting solubility in various organic solvents. Methoxy groups, resistant to many nucleophilic attacks, guard much of the aromatic ring, leaving the benzylic alcohol group accessible without needless side reactions during oxidation or functional group exchange.

    The balance of protective and reactive sites allows this molecule to serve as a useful starting point for Suzuki coupling, aromatic substitution, or targeted oxidation. Over the years, synthetic chemists in our network have reported success in deploying it as a protected alcohol intermediate, sidestepping the classic yield losses seen with less symmetric or less stable brominated benzyl derivatives.

    Practical Applications and Customer Feedback

    Most requests for 4-Bromo-3,5-dimethoxybenzyl alcohol come from those focused on fine chemicals synthesis and drug discovery programs. This product often serves as a key intermediate in the assembly of complex heterocyclic frameworks or in constructing polyfunctionalized aromatic scaffolds, especially within early-stage medicinal chemistry.

    Our clients developing kinase inhibitors or enzyme modulators regularly highlight the need for robust intermediates. By conferring stability and a gateway for further functionalization, our product fits right into these workflows. Compared to unprotected benzyl alcohols, the dimethoxy groups here help prevent side chain oxidation and undesired polymerization. For researchers interested in library synthesis, the ability to install or remove groups at defined positions makes this compound more versatile than monomethoxy or dibromo counterparts.

    A recurring theme in client feedback revolves around ease of purification following typical synthetic steps like Grignard addition or moderate reductions. The compound’s crystalline nature and consistent melting point allow standard crystallization or chromatography methods to succeed without excessive tweaking. Results from various labs point to reliable yields, which, in a project-driven setting, can mean the difference between success and costly troubleshooting.

    Comparisons and Selection Criteria

    Those browsing for benzyl alcohol derivatives face a crowded landscape of structural motifs, each catering to specific reactivities or regulatory preferences. In everyday production, we notice patterns in demand as projects move from feasibility to scale-up. 4-Bromo-3,5-dimethoxybenzyl alcohol often enters the mix where selectivity and downstream synthetic flexibility outweigh cost minimization or bulk commodity availability.

    Compared to 4-bromobenzyl alcohol, the dimethoxy substitution on this molecule blocks much of the aromatic ring. This change reduces the risk of overbromination and side-chain oxidation commonly seen in less protected compounds. For those considering the unsubstituted or singly-methoxylated variants, the jump to the symmetrical 3,5-disubstitution carries tangible benefits in error reduction during multi-step synthesis. Solubility shifts with each functional group, as does the molecule’s resistance to air and light, resulting in fewer surprises on the shelf and during use.

    Chemists who emphasize downstream functionalization pay particular attention to ortho and para positions. Having both 3 and 5 sites covered grants peace of mind against undesired substitution, particularly in large parallel syntheses, where unpredictability translates into real costs. We work with process chemists who’ve shared stories of side products clogging up purification columns — a frustration significantly diminished with the product in question.

    Looking at other brominated benzyl alcohols, especially those bearing more reactive halo groups or lacking ring protection, we consistently see less stability and more batch-to-batch variability in customer reports. While this might not matter for the simplest transformations, it can mean everything once projects progress to complex ring closures, selective oxidations, or organometallic additions.

    Manufacturing and Quality Considerations

    Our manufacturing process draws on extensive experience with electrophilic aromatic substitution and careful catalytic hydrogenation. We run small and medium-scale campaigns, switching seamlessly between custom and catalog demands. With this product, the real test comes during purification — the necessity of keeping both bromine and methoxy groups intact can turn an ordinary run into an exercise in patience. Years of fine-tuning have given us a set of controls that minimize overbromination, promote clean crystallization, and deliver a product with tight purity specs, typically over 98 percent by HPLC.

    Routine analysis ensures no unexpected side-products or cross-contamination. We monitor for residual solvents and use carefully selected glassware and liners, recognizing that trace metal contamination can impair some downstream applications. As a manufacturer, not a simple broker or trader, the granularity in process control and direct accountability for each lot shape how we engage with customers. Orders come with analytical data packs, and production teams remain available throughout the process to answer technical queries, troubleshoot scale-up, or suggest alternative storage solutions based on climate or handling logistics.

    Troubleshooting and Practical Advice

    Real-world chemistry rarely follows a textbook path. New users sometimes encounter slow dissolution or precipitation depending on solvent or temperature choices. Through regular batch analysis and customer feedback, we've gathered a list of preferred solvents and protocols that streamline handling and reaction setup. For high-purity runs, users find that dry, degassed dichloromethane or toluene accommodate this compound better than polar protic media, which sometimes promote unwanted side reactions or hydrolysis.

    Another point that surfaces in customer calls involves the reactivity of the bromine group under different metal-catalyzed cross-couplings. Some prefer this compound over mono-protected or fully unprotected analogues due to its selective reactivity profile. For those working with sensitive palladium systems or in moisture-sensitive environments, we recommend extra attention to glassware conditioning and atmosphere control. Our production laboratories enforce these best practices, which translates into fewer headaches for downstream users.

    We also notice that the balance between reactivity and stability gets stress-tested most during long-term storage and shipping. Compared to lighter, less substituted benzyl alcohols, our product holds up well over months, provided it’s kept sealed and cool. For hot or humid regions, inert atmosphere packaging pays off, especially in larger container sizes.

    Environmental and Safety Considerations

    During scale-up, we’ve come to appreciate the environmental nuances of brominated aromatics. Disposal, emissions, and residual bromide handling can present real challenges. Our factory incorporates activated carbon filtration, solvent recovery loops, and stepwise neutralization to limit waste and protect both workers and the community. Process safety drills and extensive records grant us better control yields and help maintain tight margins, preventing unplanned exposures or batch failures.

    Customers sometimes ask why direct-from-the-factory material differs from repackaged stock found elsewhere. The answer traces back to trace handling conditions. Strict adherence to temperature and humidity controls, along with first-in, first-out logistics, limit degradation and cross-contamination. Advice to clients centers on simple but effective measures: avoid repeated heating and cooling cycles and use tightly closed containers. These steps preserve reactivity and lower unexpected impurity loads in final synthesis steps, which is particularly critical in regulatory or preclinical environments.

    Moving from Lab to Plant Scale

    Demand for this specialty alcohol has spiked as more companies and academic projects push early discovery success toward pilot and demonstration scale. Bench-scale protocols often stumble on differences in heat transfer, mixing efficiency, or isolation procedures that aren’t obvious from academic reports. Our technical support group bridges this gap by offering insights from years spent running both jacketed reactors and ground-glass flasks.

    We've found that the rate of addition for coupling reagents, the quality of solvent, and the method of product isolation can all shift as production grows. Our team routinely collaborates with development chemists to adjust process details, replacing batch with continuous modes, or fine-tuning crystallization timelines to maintain consistent attributes.

    Waste minimization grows in importance as volumes scale. By harnessing both solvent recovery and cascade crystallization, we keep our environmental footprint manageable. Clients returning from pilot campaigns mention the value of clear communication on impurities, as well as the ability to trace any anomaly back to its source — a feature far easier with factory-controlled batches than with fractured supply chains.

    Looking Ahead: Innovation and Adaptation

    The market for structurally complex benzyl alcohols evolves quickly, responding to discoveries in medicinal chemistry, materials science, and catalysis. We watch new research trends to anticipate surges in demand and changes in regulatory posture, both regionally and globally. Recent years have seen a push for tighter impurity profiles, new forms of certification, and stronger traceability. Keeping processes nimble and equipment modern remains key for us to respond without missing our quality targets.

    Digital tracking and process automation have crept into our daily routines. As manufacturers, we invest in inventory management tools, smart sensors, and secure data management to enhance reliability for everyone from small startup labs to institutional buyers. While we rely on time-tested chemistry, real-time monitoring and analytics help us prevent contamination events and guarantee lot-to-lot consistency.

    Clients with sustainability goals often ask about greener synthetic routes, reduced solvent usage, or biodegradable packaging materials. Our R&D department takes on these challenges by piloting new reagents and greener solvents and evaluating process intensification where possible. Small changes at the manufacturing level ripple out, multiplying benefits for those running expensive drug discovery campaigns or regulatory trials where every impurity raises time and cost.

    Direct Manufacturer Relationships: The Real Value

    We have watched customers choose between multiple sources for specialty chemicals and have learned that direct manufacturer relationships pay off through transparency, responsive service, and technical depth. Buyers uninformed about origin sometimes end up with unpredictable purity profiles, mismatched paperwork, or slow response times in the event of a problem.

    Every batch we send out comes from a single production campaign, allowing full backward traceability. This depth of involvement closes the loop — if a user reports an unexpected analysis result, our quality and production engineers retrace production, packaging, and distribution chains to locate root causes. This level of post-sale engagement doesn’t exist where repack operations or trading houses handle multiple inventory streams with unknown histories.

    By sticking to rigorous process integrity, we keep both major project leads and bench chemists confident in their purchases. For those developing new synthetic routes, the value of real, actionable feedback on chemical behavior under real conditions outweighs price differences that come with intermediary-based procurement.

    Conclusion: Why This Compound Stands Out

    Manufacturing 4-Bromo-3,5-dimethoxybenzyl alcohol brings daily reminders that real value lies in reliable supply, consistent quality, and nuanced technical support. The compound serves an important role in fine chemical, pharma, and material research by balancing reactivity and protection, outperforming most analogues prone to side reactions or instability. Countless development teams have built key intermediates and novel scaffolds upon its foundation.

    This reputation rests not on marketing but on the collaborative ecosystems we build with our users — sharing protocols, troubleshooting, and continuous improvement on both sides of the purchase order. As we listen to new synthetic demands, environmental concerns, and scale-up pressures, our focus remains set on delivering what the next generation of chemists and engineers require — from the first gram to the first metric ton, and beyond.