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3-Bromo-2,6-Dimethoxybenzoic Acid

    • Product Name 3-Bromo-2,6-Dimethoxybenzoic Acid
    • Alias 3-Bromo-2,6-dimethoxybenzenecarboxylic acid
    • Einecs 626-960-6
    • 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
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    Specifications

    HS Code

    539605

    Product Name 3-Bromo-2,6-Dimethoxybenzoic Acid
    Cas Number 81990-56-1
    Molecular Formula C9H9BrO4
    Molecular Weight 261.07
    Appearance White to off-white powder
    Melting Point 176-180°C
    Solubility Slightly soluble in water; soluble in organic solvents
    Purity Typically ≥98%
    Storage Temperature Store at 2-8°C
    Smiles COC1=C(C=C(C(=C1)Br)C(=O)O)OC
    Inchi InChI=1S/C9H9BrO4/c1-13-6-3-5(9(11)12)4-7(10)8(6)14-2/h3-4H,1-2H3,(H,11,12)
    Synonyms 3-Bromo-2,6-dimethoxybenzoic acid

    As an accredited 3-Bromo-2,6-Dimethoxybenzoic 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 3-Bromo-2,6-dimethoxybenzoic acid, labeled with hazard symbols and chemical details.
    Shipping Shipping of 3-Bromo-2,6-Dimethoxybenzoic Acid requires secure, labeled packaging complying with relevant chemical transport regulations. It should be shipped in tightly sealed containers, protected from moisture and light, and accompanied by safety documentation. Ensure handling by trained personnel and select appropriate transport modes to minimize risks during transit.
    Storage 3-Bromo-2,6-Dimethoxybenzoic Acid should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from direct sunlight, heat, and incompatible substances such as strong oxidizers. Store at room temperature (15–25°C). Keep away from moisture and sources of ignition. Label the container appropriately and follow all relevant safety protocols.
    Application of 3-Bromo-2,6-Dimethoxybenzoic Acid

    Applications of 3-Bromo-2,6-Dimethoxybenzoic Acid in Industrial Manufacturing

    3-Bromo-2,6-Dimethoxybenzoic Acid supports several specialized processes in fine chemicals and pharmaceutical synthesis. Its unique structure and reactivity enable precise integration into advanced formulations and regulated environments. Below, we detail key downstream applications in which manufacturers rely on this compound for efficiency, compliance, and consistent final product quality.

    1. Non-Steroidal Anti-Inflammatory Drug (NSAID) Intermediates

    Pharmaceutical manufacturers use 3-Bromo-2,6-Dimethoxybenzoic Acid in the synthesis of advanced NSAID intermediates, particularly for benzoic acid-derived core structures. The presence of bromine and methoxy groups supports selective coupling and esterification steps under controlled conditions. Integration occurs at the early stage of active substance synthesis before further derivatization or purification.

    Industry compliance standards

    • Current Good Manufacturing Practice (cGMP) – ICH Q7 for Active Pharmaceutical Ingredients
    • United States Pharmacopeia (USP) standards for intermediates
    • European Pharmacopoeia (Ph. Eur.) monographs for related substances
    • REACH Regulation (EC No 1907/2006) for chemical safety

    Typical usage ratio

    • 5–20% as a precursor, adjusted based on molar substitution in target molecular scaffold

    Downstream process integration

    • Initial step in pharmaceutical intermediate synthesis, often following Grignard-type activation or Friedel-Crafts reactions
    • Reacted in condensation or coupling stages to build API backbones
    • Purified after key synthesis step via crystallization or chromatographic methods
    • Processed under validated cleaning and isolation protocols for GMP traceability

    Final product types

    • NSAIDs such as diclofenac analogs
    • Custom anti-inflammatory pharmaceutical actives
    • Registered API intermediates for contract development
    • Export-grade pharmaceutical building blocks

    2. Agrochemical Active Ingredient Synthesis

    Agrochemical producers source 3-Bromo-2,6-Dimethoxybenzoic Acid for use in the development of selective herbicide and fungicide intermediates. The compound’s substitution pattern provides a platform for creating halogenated or methoxylated aromatic structures, tailored for systemic or contact-action modes. Use typically centers around chlorination, amination, or etherification processes.

    Industry compliance standards

    • FAO/WHO Joint Meeting on Pesticide Specifications (JMPS) guidelines
    • ISO 9001:2015 – Quality management for agrochemical production
    • Globally Harmonized System (GHS) for labeling and workplace safety
    • China National Standard GB/T (applicable for export/import)

    Typical usage ratio

    • 3–10% w/w in synthesis batches, adjusted per target molecule’s substitution design

    Downstream process integration

    • Reacted during intermediate building in multi-step synthesis of active ingredients
    • Feeds into halogen-exchange, methoxylation, or amidation steps for functional group manipulation
    • Incorporated after initial aromatic backbone formation via electrophilic substitution
    • Filtered and assayed for purity before isolation and export to agrochemical formulators

    Final product types

    • Benzoic acid-derived herbicidal actives
    • Fungicidal intermediates for seed treatment products
    • Crop protection agents with modified aromatic cores
    • Custom pre-mix ingredients for combination crop sprays

    3. Dye and Pigment Intermediate Manufacturing

    Specialty colorant and pigment facilities apply 3-Bromo-2,6-Dimethoxybenzoic Acid to introduce specific aromatic substitution in azo, anthraquinone, and heterocyclic dye motifs. Its reactivity supports controlled diazotization or coupling for pigment purity and color value. Manufacturers rely on this input for stable chromophore development and long-term batch reproducibility.

    Industry compliance standards

    • EN 71-3:2019 – Safety of toys for colored materials (Europe)
    • Oeko-Tex Standard 100 for textile dye components
    • ISO 9001:2015 for pigment and dye synthesis
    • Environmental Protection Agency (EPA) guidelines on azo dye precursors

    Typical usage ratio

    • Range from 2–8% w/w dependent on dye structure and chromophore intensity requirements

    Downstream process integration

    • Undergoes diazotization or coupling with aromatic amines in the dye synthesis train
    • Introduced post-purification to avoid color contamination
    • Incorporated as a secondary substitution reagent to finalize pigment attributes
    • Integrated into aqueous or solvent-based pigment blending tanks for dispersion stabilization

    Final product types

    • Azo and anthraquinone pigment intermediates
    • Textile and leather dyes for high washfastness
    • Industrial ink pigments requiring halogenated cores
    • Special effect pigments for plastics, automotive, and coatings

    4. Electronic and Specialty Polymer Development

    Manufacturers of high-performance polymers for electronics and specialty materials employ 3-Bromo-2,6-Dimethoxybenzoic Acid for functional monomer synthesis. Its highly directed substitution profile allows for chain-end modification of polyimides, aryl polyesters, and other materials requiring brominated aromatic units. The compound supports fine-tuning of dielectric, optical, and barrier properties.

    Industry compliance standards

    • IPC-4101C – Specifications for base materials for printed circuits
    • ISO 14001:2015 – Environmental management for polymer production
    • RoHS Directive 2011/65/EU for hazardous substance control in electronics
    • UL 94 for flammability of plastic materials

    Typical usage ratio

    • 1–5% as a modifying monomer, adjusted according to final polymer property targets

    Downstream process integration

    • Introduced during the oligomerization or pre-polymer blending stage
    • Participates in condensation or copolymerization reactions for backbone functionalization
    • Ensures even distribution through controlled feed rates into bulk reactors
    • Post-polymerization assay for residuals and chain termination degree

    Final product types

    • Halogenated polyimide films for flexible electronics
    • High-barrier polyester resins used in semiconductor encapsulation
    • Dielectric and flame-retardant specialty plastics
    • Photoresist raw materials for microelectronics fabrication
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    Certification & Compliance
    More Introduction

    3-Bromo-2,6-Dimethoxybenzoic Acid: A Look Behind Our Lab Doors

    Direct from the Source: How We See 3-Bromo-2,6-Dimethoxybenzoic Acid

    In the world of benzoic acid derivatives, 3-Bromo-2,6-Dimethoxybenzoic Acid tends to spark interest among chemists looking for specific brominated intermediates. As those creating each batch with our own hands, we know an intermediate’s properties carry direct consequences for downstream chemistry—stability during transformation matters just as much as yield. Day in, day out, our team handles this compound at scales ranging from research lots to full process runs. Every time the aroma drifts off freshly ground material, it reminds us that what starts as small fine crystals turns into a cornerstone for synthesis routes in agrochemistry, pharmaceuticals, and even specialty electronics.

    This compound’s model often bears the chemical shorthand of C9H9BrO4. The structure brings a bromine atom at position 3 and methoxy groups at the 2 and 6 ring positions. By substituting these groups onto the benzoic acid core, the resulting molecule behaves differently from simple benzoic acids or singly-substituted analogs. This arrangement opens pathways for directed metalation, selective cross-coupling, and controlled functionalization, particularly useful in multi-step organic syntheses. We run regular batches at 99% minimum purity, carefully checking each drum or bottle for both chemical composition and appearance.

    In the Trenches: Real Uses and Application Demands

    People on the synthesis frontlines appreciate that process success and repeatability often rest on raw material reliability. 3-Bromo-2,6-Dimethoxybenzoic Acid finds most use as a building block for more complex aromatic systems. In our experience, it often ends up in transformations involving Suzuki or Buchwald-Hartwig couplings—protocols that tolerate a range of electronic effects, but demand a brominated substrate that doesn’t foul the catalyst or eat up test runs with byproducts. In some crops and pharma pre-commercialization settings, downstream reactions start with this acid, putting it at the foundation of molecules with biological activity or industrial utility. We've watched clients adapt our batches for pilot programs, sometimes scaling from grams to multi-kg quantities just as their own proof-of-concept work passes a critical milestone.

    Beyond synthetic value, this acid’s behavior with different solvents and reagents means real procedural differences. We've observed it dissolve best in polar organic solvents such as DMF or DMSO, but heating brings out more flexibility—especially in amidation or esterification. No two labs run a reaction in quite the same way, so our own teams regularly test solubility and reactivity across batches, sharing notes with long-time customers who are running their own optimizations. This feedback loop has allowed us to dial in process controls, ensuring neither remnant moisture nor minor impurities make their way into crucial research steps.

    Hands-On Quality: Our Perspective on Consistency

    The chemical industry likes to talk about purity in abstract terms, but our technical staff see purity as something you notice long before the readout of a GC, HPLC, or NMR spectrum. Impurities, even at low levels, can gum up a reaction, dull catalytic cycles, or introduce noise in downstream analysis. Our production line engineers learned early on that a brominated acid like this requires more than standard purification to get reliable consistency—recrystallization often isn’t enough. We subject each batch to extra filtration and drying, especially after halogenation steps, and we always check key analytical parameters before release. Several projects have taught us this investment in analysis saves clients headaches and keeps our own internal work smooth.

    Variability in appearance has sometimes flagged underlying issues—one batch too clumpy, another slightly off-white. Sorting these cases requires hands-on experience, since the characteristics depend on both process variables and even atmospheric humidity during collection. We ensure that each shipment displays free-flowing crystals, sharp melting points, and stable color, avoiding time-wasting returns. Over the years, we’ve traced back learning points from feedback in the field and tight collaboration across teams, which gives our 3-Bromo-2,6-Dimethoxybenzoic Acid a reputation as a reliable fit for most demanding applications.

    Difference Matters: What Sets 3-Bromo-2,6-Dimethoxybenzoic Acid Apart

    Within the broad arena of benzoic acid derivatives, many products look similar on paper but diverge in chemical behavior. We see these differences every week. The specific substitution pattern in this molecule means stronger electron-donating effects from the methoxy groups and distinct coupling characteristics due to the ortho relationship to the bromine. This contrasts with more symmetrical or less substituted analogs like 3-Bromobenzoic Acid or 2,6-Dimethoxybenzoic Acid.

    Teams working on cross-coupling reactions, for instance, have pointed out that the extra methoxy groups can activate the aromatic ring toward nucleophilic substitution or adjust the reactivity during oxidative addition. In practice, our own R&D department has found that this compound delivers more robust yields in multi-functionalization protocols than its less-well-substituted counterparts. Another outcome is fewer extraneous side products during typical syntheses, helping chemists extend catalyst cycles and reduce post-processing.

    Specification differences also result from the crystal structure and melting profile. The dual methoxy substitutions promote finer particle size upon drying, translating into superior dispersion during blending and handling processes compared with less substituted benzoic acids. Chemists working in pharmaceutical intermediates comment on this feature, where routine transfer losses and inconsistent dispensing can slow process work.

    Production Challenges and Lessons from Lab to Plant

    Every chemical has its quirks, and 3-Bromo-2,6-Dimethoxybenzoic Acid is no exception. Synthesis typically involves carefully controlled bromination and subsequent methoxylation, and tiny fluctuations in temperature or reactant ratios can swing the product distribution one way or another. As a team that oversees the process from raw materials to packaged final product, we keep tight watch over each stage—scrambling to adjust as needed if any parameter drifts. Early on, we learned that excess bromine or inefficient quenching would produce over-brominated byproducts, which meant efficiency and environmental costs piling up. After much troubleshooting, our plant staff dialed in parameters that minimize both waste and side reactions.

    Scale-up adds another test: what works in the flask for grams of material might throw up heat management or mixing problems as that same recipe moves to hundreds of kilos. Not every team gets to see how a lab idea behaves on plant equipment, so we keep feedback loops running between research and production. By documenting every hiccup and solution, we keep refining methods for both cost and quality. The payoff translates to solid, repeatable batches regardless of whether the order is for a university research group or a multinational pharma house testing a new synthetic route.

    Another issue we faced early in production involved residual solvents or cross contamination when changing over between runs. Process engineers addressed this with custom washing protocols and dedicated equipment for halogenated aromatic acids, an investment that lowered both analytical rejects and regulatory hassle. The result—low background levels of organics or metals in the finished acid—means we repeatedly pass audits at both lab and pilot scale, and users avoid headaches during certification, scale-up, or regulatory submissions.

    Safety, Handling, and Environmental Pragmatism

    Making and working with 3-Bromo-2,6-Dimethoxybenzoic Acid forces a manufacturer to treat safety and waste not as afterthoughts, but as parts of daily operation. Brominated compounds call for careful handling, not just for the sake of operator comfort, but to ensure no unnecessary exposure or environmental legacy. Over several years, we invested heavily in fume extraction, PPE, and streamlined transfer protocols. Each procedure learned on the shop floor came from real people responding to unusual smells, spills, or system errors. As a chemical maker, we know accidents and emissions damage not just our records but the neighborhood as well.

    Waste minimization matters too. Efficient synthesis means fewer organics and acidic residues heading for disposal. We've reworked our process streams to reuse or neutralize byproducts where possible, both lowering footprint and keeping regulatory paperwork manageable. On-site, every handled drum, reaction vessel, and filtration flask gets a documented path from use to cleaning, a habit picked up through trial, error, and rigorous follow-up. The discipline of this careful housekeeping stretches back to every new hire who joins our production crew, and stays with them as our facility grows.

    People often ask about the stability or shelf life of such aromatic acids. In our hands—and with proper storage—3-Bromo-2,6-Dimethoxybenzoic Acid keeps its integrity well, even over extended periods. Light, moisture, or stray heat during handling can complicate clean handling, so we stick to sealed, inert-packed containers and encourage proper storage at standard temperatures.

    Continuous Improvement: The Manufacturer’s Viewpoint

    Manufacturers rarely rest on technical tricks from a decade ago. Continuous improvement shapes everything from raw material choice to the look and feel of the finished acid. Our R&D group pairs field feedback from clients with ongoing method development, checking reaction performance under newer greener solvents, looking for more robust alternative catalysts, and monitoring for trace impurities. As regulations change and expectations rise, we adjust formulations and standard operation practices, driven by both experience and benchmark data.

    Sometimes chemists in other labs notice small anomalies—a shift in color, a trace impurity, or inconsistent flow. Every time we hear a report, our QA and process teams track down the issue, running extra analysis, checking procedural records, and revisiting supplier lots for raw inputs. By keeping an open channel between synthesis chemists, operations staff, and downstream users, we share direct observations and practical solutions instead of relying on abstract spec sheets. This makes a practical difference: fewer surprises, less wasted time, and more productive research on the user end.

    Industry Connections and Field Perspectives

    Our direct partnerships with research labs, pharma process engineers, and agrochemical developers offer a window into how different groups actually use 3-Bromo-2,6-Dimethoxybenzoic Acid. This helps us tune not just purity profiles but also batch sizes, packaging, and technical documentation. Clear feedback from regular users makes an ongoing impact on production tweaks—such as batch-to-batch labeling consistency, container design, and even shipment scheduling for sensitive or regulated regions.

    Several major clients have walked us through their own challenges scaling up reactions or troubleshooting unexpected reactivity, from pilot phases through full plant runs. These stories underscore the importance of transparency—nobody benefits from hidden variability or slow communication. Our team not only supplies the material but takes on the lessons learned from each client run, adding these experiences into future improvements. The more we collaborate, the smoother and more predictable the chain of supply becomes.

    In more specialized areas, such as functional material research or exploratory drug synthesis, this compound sometimes gets caught up in ongoing patent or regulatory concerns. We’ve seen legal or documentation hurdles slow receipt of critical raw materials, which delays entire project timelines. Through repeated rounds of audit, third-party testing, and documentation, we help chemical innovators navigate these snags, offering up-to-date analysis or custom documentation when new rules or requests arise.

    Looking Ahead: Market Needs and Innovation Hurdles

    Growth in organic electronics, biochemistry, and targeted drug manufacturing has pushed intermediates like 3-Bromo-2,6-Dimethoxybenzoic Acid into broader use. New synthetic strategies appear every season, many requiring finely-tuned input compounds that don't just barely meet specification tables, but perform dependably throughout often-complex, multi-step sequences. In this environment, keeping the material consistent isn’t just about passing QC: it means adapting upstream process changes that directly influence downstream research or commercial outcomes.

    Raw material sourcing increasingly affects production stability and timeline reliability. As a direct chemical manufacturer, we work closely with suppliers—sometimes bringing in testing for contamination, trace metals, or off-grade inputs before a synthesis even kicks off. These checks aren’t just checkbox exercises; they catch subtle changes that could cause headaches for chemists chasing highly-sensitive reactions. When economic or logistic shifts drive up supply costs or slow deliveries, we buffer schedules and maintain reserve finished batches, helping customers keep timelines even through market swings.

    In the future, broader sustainability concerns are reshaping priorities, including for manufacturers of specialized intermediates. Lower-impact techniques—such as solvent recycling, more efficient catalysis, and waste minimization—are moving from “nice-to-have” features to mandatory baseline. For 3-Bromo-2,6-Dimethoxybenzoic Acid specifically, we’re exploring routes that trim reagents, reduce hazardous output, and enhance downstream biodegradability. Not every process can flip overnight, but as teams on the ground, our perspective gives us a head start in tweaking operations for a more sustainable result.

    Why Direct Manufacturing Experience Counts

    Being on the production side rather than trading or third-party distribution changes the relationship with the product. Every drum filled carries lessons from both successful runs and batch-scale setbacks. We have seen first-hand how small changes in supplier quality, process order, or environmental conditions ripple through to performance in customer labs. That real-world experience grounds each recommendation, QA decision, and production run—rooting the conversation in hands-on, practical knowledge rather than catalog sales talk.

    Our staff have watched this acid move from raw powder and lumpy crystals to highly-refined, analytically-characterized lots running through high-value syntheses and field trials. Feedback from those using it in cross-coupling and functional group transformations has highlighted both its strengths and rare weak points, giving us real context for continuous tweaks and improvement. When someone calls with a process problem, we don’t read from a troubleshooting script; we share direct shop-floor stories of what’s worked or failed in practice.

    The market for fine organic intermediates keeps changing. End users expect not only purity and availability, but also technical support, reliable traceability, and responsiveness when something unexpected happens. As direct chemical makers, we’re in position to combine production know-how and improvements from both customer and plant experience, shaping a better product cycle for each new demand and application trend. 3-Bromo-2,6-Dimethoxybenzoic Acid stands as just one example—a product we’ve refined through real manufacturing trials, ongoing feedback, and daily commitment to getting things right, batch by batch.