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Methyl 2-Bromomethyl-3-Nitrobenzoate

    • Product Name Methyl 2-Bromomethyl-3-Nitrobenzoate
    • Alias Methyl 2-(bromomethyl)-3-nitrobenzoate
    • Einecs EINECS 687-816-2
    • 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
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    Specifications

    HS Code

    740724

    Product Name Methyl 2-Bromomethyl-3-Nitrobenzoate
    Cas Number 215265-62-0
    Molecular Formula C9H8BrNO4
    Molecular Weight 274.07 g/mol
    Appearance Yellow solid
    Melting Point 53-57°C
    Boiling Point No data available
    Purity Typically ≥97%
    Solubility Soluble in organic solvents (e.g. DCM, EtOAc), insoluble in water
    Density 1.68 g/cm³ (estimated)
    Refractive Index No data available
    Smiles COC(=O)c1cccc([N+](=O)[O-])c1CBr
    Inchi InChI=1S/C9H8BrNO4/c1-15-9(12)6-3-2-4-7(11(13)14)8(6)5-10/h2-4H,5H2,1H3
    Storage Temperature 2-8°C (refrigerated)

    As an accredited Methyl 2-Bromomethyl-3-Nitrobenzoate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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    Application of Methyl 2-Bromomethyl-3-Nitrobenzoate

    Applications of Methyl 2-Bromomethyl-3-Nitrobenzoate in Industrial Manufacturing

    Methyl 2-Bromomethyl-3-Nitrobenzoate serves as a critical intermediate for several high-value chemical production routes. As a direct manufacturer, we focus our product quality and documentation on well-established downstream applications in the fine chemical, agrochemical, and pharmaceutical intermediate segments. Below we detail specific industrial use-cases supported by real standards, processes, and product outputs.

    1. Pharmaceutical Intermediate for Antihypertensive Sartan Synthesis

    Major pharmaceutical companies utilize this compound as a key building block in tetrazole introduction steps during the synthesis of sartan-class antihypertensive APIs such as Losartan and Valsartan. It undergoes nucleophilic substitution with tetrazole-forming agents, enabling the formation of the required benzimidazole or biphenylmethyl scaffolds integral to these medications.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • USP-NF Monographs for Losartan and Valsartan Intermediates
    • EU EudraLex GMP Volume 4, Part II: Basic Requirements for Active Substances
    • FDA 21 CFR Part 210/211: cGMP requirements for finished pharmaceuticals

    Typical usage ratio

    • Applied at stoichiometric or slight molar excess: 1.05-1.20 equivalents per subsequent nucleophile for optimal conversion rates
    • Adjustment based on individual process yield and impurity profile requirements

    Downstream process integration

    • Intermediate added post-benzylic bromination and pre-tetrazole ring closure in multi-step API synthesis
    • Enter batch or continuous stirred-tank reactors with phase transfer or polar aprotic solvents
    • Close coordination with real-time HPLC or LC-MS analysis for monitoring conversion and by-product formation

    Final product types

    • Losartan potassium Active Pharmaceutical Ingredient (API)
    • Valsartan API
    • Related sartan intermediates

    2. Agrochemical Intermediates in Pyridine and Benzonitrile Fungicides Production

    Technical producers in the crop protection sector deploy this material at the bromomethyl stage to prepare halogenated benzonitrile intermediates. Downstream, these units contribute to the synthesis of specific pyridine-based and benzonitrile-based fungicides, such as boscalid or fludioxonil. Its reactivity with nucleophiles and its stable nitro substituent allow for controlled ring-functionalization.

    Industry compliance standards

    • ISO 9001:2015 for Quality Management Systems in agrochemical manufacturing
    • FAO/WHO Specifications for Plant Protection Products
    • REACH regulation (EC No 1907/2006) for chemical safety and toxicology documentation
    • China GB 20810 for pesticide formulations

    Typical usage ratio

    • Used at 0.90-1.15 molar equivalents relative to nucleophilic reactant, adjusted for complete conversion and minimal overbromination byproducts
    • Process optimization depends on batch/continuous reactor type and downstream catalyst recycling

    Downstream process integration

    • Fed into nucleophilic aromatic substitution reactions after controlled bromomethylation
    • Phase-selective addition in jacketed reactors under inert atmosphere
    • Post-reaction, mixture typically passes to quench and product isolation prior to nitrile formation

    Final product types

    • Boscalid active ingredient
    • Fludioxonil technical-grade fungicide
    • Pyridine-derived intermediate compounds

    3. Advanced Dye and Pigment Intermediates for Specialty Colorant Manufacturing

    Leading manufacturers of specialty organic pigments leverage the compound’s bromomethyl functionality for late-stage substitution in nitrobenzoate skeletons, critical for preparing colorants with precise spectral properties. Precise incorporation of the nitro and bromo groups allows downstream fine-tuning of chromophore electron structure required for high-performance pigments in automotive, plastics, and textile applications.

    Industry compliance standards

    • ISO 14001:2015 Environmental Management for pigment and dye manufacturing
    • OEKO-TEX® Standard 100 for textile applications
    • EN 71-3:2019 requirements for toy safety in pigment products
    • EU REACH Annex XVII for colorant chemical restrictions

    Typical usage ratio

    • Dosage typically 0.95-1.10 equivalents with respect to the receiving aromatic substrate, depending on reactivity and end-use chromatic properties
    • Production scale and solvent choice can require slight process-based variation

    Downstream process integration

    • Usually added as final or penultimate functionalizing agent in pigment synthesis
    • Integrated into continuous-flow or multi-stage reactors prior to purification and milling
    • Monitored by GC-MS or HPLC for isomeric purity and color intensity development

    Final product types

    • Bromonitro-substituted azo pigments
    • Metal complex organic dyes for plastics and coatings
    • Textile fiber-reactive dyes

    4. Specialty Polymer Additives for High-Performance Engineering Resins

    Producers of specialty engineering polymers apply this nitrobenzoate derivative to introduce functional aromatic cores into polyester and polyamide resin systems. Its halogen and nitro substituents can enhance flame retardancy, chemical resistance, and processability in high-temperature thermoplastics used in electronics and automotive components.

    Industry compliance standards

    • UL 94 Flammability Standards for Plastics Materials
    • RoHS Directive 2011/65/EU for restricted hazardous substances in electrical/electronic equipment
    • ISO 9001:2015 for polymer production
    • ASTM D638 for Tensile Properties of Plastics

    Typical usage ratio

    • Blended at 0.1-5.0 wt% as a co-monomer or chain stopper, depending on backbone composition and target mechanical properties
    • Exact ratio set according to flame-retardant or anti-static rate requirements

    Downstream process integration

    • Melt-blended or solution-polymerized with base monomer charge prior to extrusion or injection molding
    • Dosed by gravimetric feeder in continuous compounding
    • Polymer matrix tested for dispersion and property uniformity by DSC and FTIR

    Final product types

    • Flame-retardant polyesters for electronics housing
    • Functionalized polyamides for automotive connectors
    • Specialty copolymer pellets for compounders

    5. Fine Chemical Intermediate in Heterocyclic Compound Synthesis

    Manufacturers in the fine chemical sector use this material for selective halogenation and aromatic nitration upstream in the formation of complex heterocycles and pharmaceuticals. Its stable benzoate ester enables smooth further transformations including cyclizations, Suzuki couplings, and urea/amide syntheses required in advanced intermediate production for pharmaceutical R&D and regulated contract synthesis.

    Industry compliance standards

    • Chemical Manufacturer’s Association (CMA) Responsible Care® Program
    • OECD Guidelines for the Testing of Chemicals 110
    • ISO 14001 Environmental Management (for exothermic reaction risk management)
    • Good Laboratory Practice (GLP) Certification for contract R&D labs

    Typical usage ratio

    • Dosed between 1.0-1.3 equivalents for step-limiting cyclization or coupling reactions, as determined by substrate reactivity and reaction selectivity targets
    • Process adjusted during scale-up for calorimetric safety and purity profile

    Downstream process integration

    • Introduced into the synthesis step as a leaving group for C-N or C-C bond formation under catalyzed or base-mediated conditions
    • Batch-dosed or semi-batch fed, with temperature and pH control for reaction optimization
    • Subsequent steps often include chromatographic separation and solid-phase extraction for intermediate isolation

    Final product types

    • Cyclized benzoimidazole intermediates
    • Amide, urea, and carbamate class fine chemicals
    • Building blocks for API process development
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    More Introduction

    Methyl 2-Bromomethyl-3-Nitrobenzoate: Precision Chemistry for Creative Synthesis

    Unlocking Reliable Building Blocks in Advanced Organic Chemistry

    Stepping into a laboratory, the sights and smells can bring back years of academic training and the challenge of turning glassware and powders into something meaningful. Among the chemicals that often sit on the stable shelves, Methyl 2-Bromomethyl-3-Nitrobenzoate offers something different—a reliable route for the synthesis of complex molecules, cherished by those who prefer precision without unnecessary fuss. Working with halogenated benzoates can feel like tinkering with puzzle pieces; the nitro and bromomethyl groups here bring extra options to the table for both seasoned researchers and newcomers eager to learn hands-on techniques.

    The world of organic synthesis changes fast, but certain scaffolds remain useful regardless of shifting trends. Synthesizing heterocycles, medicinal precursors, or even special ligands for catalysis often circles back to reliable intermediates. Methyl 2-Bromomethyl-3-Nitrobenzoate fits comfortably into this toolkit. Its structure—marked by a nitro group at the third position and a bromomethyl at the second, attached to a methyl ester backbone—adds versatility. Living through the daily grind of research, I’ve seen how unpredictable reactions demand robust intermediates, and this compound rarely disappoints.

    What Sets Methyl 2-Bromomethyl-3-Nitrobenzoate Apart

    Many tasks in the lab revolve around modifying aromatics with both electron-withdrawing and leaving groups. While there are analogs out there, such as plain methyl esters or nitrobenzoates missing the halogenated side chain, those often don’t deliver the same reactivity or selectivity. The bromomethyl function distinguishes this molecule: bromine, being a heavier and more polarizable atom, serves as a better leaving group than most, offering smooth displacement reactions. In personal experience, comparing chloromethyl versus bromomethyl derivatives, bromine often nudges the reaction forward while keeping side-product formation in check. This feature makes the compound especially popular for nucleophilic substitutions or Suzuki couplings that benefit from clean conversions.

    I recall trying to make a library of benzofused lactams years ago and running into walls with less active halides. Switching to a bromomethyl starting material like this one ended the headaches. Once the substitution was underway, downstream steps followed suit, improving both yields and reproducibility.

    Real-Life Impact in Research Settings

    Each research goal presents its own frustrations, especially in medicinal and agrochemical discovery where time and reproducibility matter. Early in my career, hitting dead ends with low-yielding steps taught me to appreciate robust reagents. Methyl 2-Bromomethyl-3-Nitrobenzoate often comes up in routes to synthesize nitroaromatics that then get converted to amines. The nitro group doesn’t just provide an easy handle for reduction; its electron-withdrawing nature also directs substitution patterns across the aromatic ring for follow-up chemistry. This dual-purpose role can’t be overstated. Among the more common uses, I’ve seen teams employ this intermediate for creating substituted anthranilates and functionalized pyrazoles, especially when quick access to varied analogs builds out a structure-activity relationship in a drug development campaign.

    Colleagues often debate the best way to introduce diversity into an aromatic scaffold, but time and again, those with the nitro-bromomethyl combination draw fewer complaints in the lab’s weekly updates. The subsequent amine formation, after reduction, paves the way for coupling strategies—especially amidation reactions—that form the backbone of peptide mimics or bioisosteres. Reflecting on late nights spent troubleshooting tricky intermediates, the steady performance of this bromide stands out.

    Practical Details: Appearance, Handling, and Stability

    From a practical standpoint, Methyl 2-Bromomethyl-3-Nitrobenzoate has a manageable crystalline form, often pale yellow to beige. Handling is straightforward on a benchtop with normal precautions—no offensive volatility, no out-of-control reactivity you’d find with unstable acyl halides or anhydrides. The standard melting point range keeps it easy to purify or monitor by thin-layer chromatography during workups. Unlike some esters that tend to hydrolyze if left open to ambient air, this one takes storage with grace. I’ve found unopened vials stashed for months still ready for action. Comparing stability, the bromomethyl functionality holds up better than iodomethyl equivalents, which sometimes drift toward decomposition under the same conditions.

    Safety in the lab is something no one likes to compromise. Bromine-containing intermediates do deserve respect, particularly if heated or scaled up, but in regular fume hood operations, unnecessary complications stay rare. The balance between reactivity and manageable safety risk is better than with other halogenated species such as alkyl bromides prone to severe lachrymatory effects. In teaching environments, this improves peace of mind for both mentors and newer chemists.

    Value in Teaching and Preparing for Industry Trends

    In classrooms and R&D groups alike, using Methyl 2-Bromomethyl-3-Nitrobenzoate puts both fundamentals and advanced concepts on display. Students can witness nucleophilic aromatic substitution, reduction, and ester hydrolysis all within a sequence. I remember supervising introductory organic chemistry labs where this reagent created more lightbulb moments than less complex analogs. Transformations using this intermediate connect well with lessons on activating groups, directing effects, and synthetic strategy—concepts that textbook exercises easily miss.

    Beyond academics, industry trends favor building blocks that streamline optimization and reduce the burden of troubleshooting. Route scouting in process development races against timelines demanded by pharmaceutical and agrochemical launches. Having a reliable intermediate tightens those timelines and can eliminate redundant purification or byproduct separation steps that weigh down analytical teams. Methyl 2-Bromomethyl-3-Nitrobenzoate’s predictable behavior means fewer surprises during scale-up. In my work with process chemists, this compound bridged the academic penchant for elegant retrosynthesis with the industrial need for robustness and reproducibility.

    Comparing Related Compounds: Where the Bromomethyl Nitrobenzoate Excels

    It’s tempting to see all halogenated methyl benzoates as interchangeable, especially from catalog listings, but in real-life experiments, chemical context matters. Substituting chlorine for bromine in the side chain may lower cost but also reduces flexibility in post-modification. I’ve run column purifications with chloro-analogs that ended up yielding complex mixtures, demanding extra hours to separate. The nitro-bromo combination avoids such headaches. Plus, attempts to swap the nitro group for a less activating substituent—such as a fluorine or a trifluoromethyl—strip away some of the reactivity, slowing down nucleophilic aromatic substitution or dampening the directing effect for further functionalization.

    More exotic esters and carboxylate derivatives often promise innovative transformations but rarely match this compound’s practicality in standard peptide coupling or ring-closing steps. I remember choosing Methyl 2-Bromomethyl-3-Nitrobenzoate over acid chlorides in a cumbersome amide synthesis. The milder reactivity curve of this ester avoided the hydrolysis and uncontrolled side reactions common to more electrophilic options, delivering a purer product with less fuss.

    Common Applications: Medicinal Chemistry, Agrochemicals, and Material Science

    In the research world, working with Methyl 2-Bromomethyl-3-Nitrobenzoate rarely feels like a forced choice—it’s closer to a shortcut through jungle-thick dead ends. Medicinal chemists value this intermediate for its ability to open doors toward new classes of bioactive compounds. For instance, analog design frequently starts from such halogen-nitro scaffolds, as they tolerate late-stage modifications while still allowing for straightforward reduction to aniline derivatives in a later step. In my own work, we exploited this route to produce substituted diarylamines, central in kinase inhibitor projects and anti-inflammatory agents.

    Agrochemical pipelines follow similar principles. The efficient installation of nitrogen-containing moieties and functional handles fires up the imagination of development teams. Building blocks like Methyl 2-Bromomethyl-3-Nitrobenzoate shine here, as tight regulatory deadlines demand quick analog generation with good documentation on side products and impurity profiles. In my years collaborating with industry partners, tracking reaction throughput and impurity control proved simpler using this substrate than with bulkier or more moisture-sensitive benzoates.

    A lesser-known but fast-growing area—functional materials—benefits from the compound’s adaptability. Researchers working on specialty polymers, OLEDs, and advanced coatings have started to adapt halogen-nitro scaffolds for site-specific functionalization. In university labs, we once used this bromomethyl nitrobenzoate as a precursor for introducing crosslinking handles, boosting performance without excessive synthetic gymnastics. As demand for tailored advanced materials grows, having intermediates like this smoothes the experimental journey.

    Challenges and Solutions: Managing Supply, Cost, and Regulations

    No chemical, even one as dependable as Methyl 2-Bromomethyl-3-Nitrobenzoate, sidesteps practical challenges. Supply chain hiccups or shifts in regulatory scrutiny can alter availability and cost. During periods of global material shortages, some teams search for in-lab synthesis as a workaround. The standard route—starting from methyl 3-nitrobenzoate and introducing the bromomethyl via halomethylation—remains accessible, though it demands some care with exothermic reagents and proper ventilation. Teams lacking access to advanced sourcing often maintain small stocks of starting materials and invest in detailed Standard Operating Procedures to maintain both safety and consistency in yields.

    Regulatory tales continue to shape chemical usage, especially regarding brominated compounds. Environmental and occupational health considerations push researchers to develop ever-safer protocols. Waste disposal grows more expensive. Still, using a compound where high efficiency minimizes the number of waste-generating steps balances risk against productivity. In my experience, switching to lower-yielding or more capricious alternatives to sidestep regulation backfires, producing larger volumes of hazardous waste or requiring more energy-intensive purifications. Keeping the process brief, predictable, and contained provides real-world environmental and health gains.

    Improving Sustainability and Green Chemistry Approaches

    Environmental sustainability in synthetic chemistry grows more urgent every year. As bench chemists and industrial teams push for greener protocols, intermediates like Methyl 2-Bromomethyl-3-Nitrobenzoate get scrutinized. Adapting greener solvents, such as replacing DMF with ethanol or using phase-transfer catalysis to reduce halogenated byproducts, keeps the workflow cleaner. Practitioners share tips—ranging from substituting less hazardous bases to performing reactions at lower temperature to save energy. My own group once overhauled an established protocol after switching to a water-compatible reduction system for nitro groups, cutting aqueous waste in half and pulling up yields.

    Beyond choosing efficient reagents, teams develop stronger recycling systems for halogenated waste, filter air emissions, and reduce exposure for students and staff. Larger institutions increasingly run collections or in-situ treatment for spent solvents and residual bromides. Small- and medium-sized labs tweak standard reactions to cut consumption—opting for catalytic rather than stoichiometric halogen sources or pairing reactions to exploit one-pot chemistry. I’ve watched project timelines shrink and compliance headaches ease up as a result. These incremental improvements add up, sharpening both economic and ethical performance for research organizations leveraging intermediates like this one.

    Future-Proofing the Lab with Reliable Intermediates

    In an age of digital chemistry and AI-driven retrosynthesis, there’s still no substitute for experience-backed choices in picking building blocks that consistently perform. Methyl 2-Bromomethyl-3-Nitrobenzoate demonstrates time and again that reliability in function and safety outpaces laboratory novelties presented in preprints. Year after year, I’ve seen both large-group projects and boutique startups cycle back toward trusted intermediates when troubleshooting and reproducibility become critical.

    As automation scales up and new robotic platforms take on synthesis routines, robust compounds reduce reprogramming demands and error rates. Chromatographic profiles and reaction monitoring for this compound fit easily into automated platforms, freeing up chemists for creative work instead of repetitive troubleshooting. Early-career mentors would point out that scalable research depends less on flashy reagents and more on dependable performance—something this aromatic ester delivers on, cycle after cycle.

    Community Insights and Sharing Best Practices

    Building a research community around trusted intermediates leads to faster troubleshooting, rapid data sharing, and more transparent communication. I remember attending group meetings where a new PhD student’s yield boost using this compound sparked updates to decades-old protocols. Online chemist forums regularly swap handling tips, share variations in reduction conditions, and post safety advisories—solidifying best practices quickly across disciplines. Coordination among teams means less duplication of work, better prediction of downstream costs, and fewer surprises when scaling up to pilot quantities.

    Resources such as online chemical databases and lab-specific knowledge bases often highlight successful projects that started with Methyl 2-Bromomethyl-3-Nitrobenzoate. Some companies encourage open troubleshooting logs, outlining not just what worked but what failed. As more organizations adopt collaborative or open-lab arrangements, standardized intermediates provide a universal language for designing and debugging complex syntheses. Drawing on my own experiences, I’ve watched quiet chemists become respected experts after shepherding teams through product launches that began with this simple, robust nitrobenzoate backbone.

    Final Thoughts: A Patient Workhorse in the Synthetic Toolbox

    Reliable synthesis depends less on innovation for its own sake and more on cumulative, hard-earned experience. In the world of organic research and development, Methyl 2-Bromomethyl-3-Nitrobenzoate continues to underpin projects ranging from medicines and herbicides to advanced polymers. Its thoughtful design—pairing a potent leaving group with a reduction-capable nitro—offers a flexible launchpad, cutting out wasted time and unnecessary complexity wherever it lands. For those at the bench, every new challenge can feel daunting, but leaning into proven building blocks like this compound delivers practical progress, sharpens skills, and keeps hopes high for that next game-changing discovery.