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Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate

    • Product Name Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate
    • Alias Methyl 2,2-dimethyl-2-(4-bromophenyl)acetate
    • Einecs 631-792-8
    • 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

    613704

    Productname Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate
    Casnumber 18721-91-4
    Molecularformula C11H13BrO2
    Molecularweight 257.12
    Appearance Colorless to pale yellow liquid
    Boilingpoint 312.2°C at 760 mmHg
    Density 1.385 g/cm3
    Refractiveindex 1.544
    Flashpoint 142.2°C
    Solubility Soluble in organic solvents such as ethanol and DCM
    Smiles CC(C)(C)C(=O)OC1=CC=C(C=C1)Br
    Inchi InChI=1S/C11H13BrO2/c1-11(2,3)10(13)14-9-6-4-8(12)5-7-9/h4-7H,1-3H3

    As an accredited Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate 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-(4-Bromophenyl)-2,2-Dimethylacetate

    Applications of Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate in Industrial Manufacturing

    Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate serves as a targeted intermediate in several advanced chemical manufacturing sectors. As an original manufacturer, we supply this fine chemical for specialized downstream integration within regulated industries, where purity, performance, and specification consistency are fundamental to process safety and market access.

    1. Pharmaceutical Intermediate for CNS-Active Drug Synthesis

    This specialty ester functions as a critical building block in the synthesis of certain central nervous system (CNS) active agents. Its structure supports Grignard and alkylation steps in the medicinal chemistry pipeline, especially for derivatives targeting analgesic or anxiolytic effects. Finished API manufacturing lines require tight impurity profile management and assurance of residual solvents to meet regulatory submission requirements.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for APIs
    • USP General Chapters – Residual Solvents, Related Compounds
    • EU EMA Guideline on the Specification Limits for Residual Solvents
    • FDA 21 CFR Part 211 – cGMP for Finished Pharmaceuticals

    Typical usage ratio

    • Used at a 0.5–1.2 molar equivalent as a protected phenyl synthon depending on route optimization and final API target
    • Ratio adjusted based on desired yield and minimization of byproduct formation

    Downstream process integration

    • Charged post-initial amide bond formation, followed by deprotection and bromine displacement or alkylation for core structure assembly
    • Subsequent coupling or hydrolysis steps to construct API backbone

    Final product types

    • NCE (New Chemical Entity) CNS drugs
    • Analgesic API intermediates
    • Anxiolytic agent intermediates
    • Small molecule pharmaceuticals

    2. Agrochemical Active Ingredient Manufacturing

    The compound enables synthesis of key intermediates for selective herbicide and fungicide actives. Downstream integration includes Suzuki coupling and ester hydrolysis routes. Technical production prioritizes batch traceability and minimal halogen contamination to comply with environmental safety protocols.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 Quality Management for Agrochemical Production
    • REACH Regulation (EC) No. 1907/2006 for chemical registration in the EU
    • OECD GLP (Good Laboratory Practice) for study traceability

    Typical usage ratio

    • Standard charge is 1.0–1.4 equivalents based on downstream coupling efficiency
    • Process engineers optimize ratio to reduce raw material cost per kg of AI output

    Downstream process integration

    • Input for aryl-aryl coupling, followed by ester cleavage
    • Incorporated prior to heteroatom introduction or further bromine removal

    Final product types

    • Azole fungicide intermediates
    • Pyridine-based herbicide intermediates
    • Phenyl-acetic acid derivatives for agrochemical use
    • Crop protection active ingredients

    3. Advanced Material Monomer Development

    This brominated aromatic ester provides structural features for the preparation of high-performance polymers used in electronics. Research and industrial R&D units utilize the compound in synthesis of rigid-chain intermediates, leading to liquid crystal polymers and specialty engineering plastics. Quality control emphasizes trace metals and halogen balance to ensure downstream electronic property consistency.

    Industry compliance standards

    • RoHS (Restriction of Hazardous Substances Directive 2011/65/EU)
    • EN ISO 9001 for Polymers & Specialty Monomer Production
    • IPC-4101 Printed Circuit Board Base Material Quality Standard
    • UL 94 Flammability for Plastics

    Typical usage ratio

    • Integrated at 5–25% molar ratio relative to core comonomers
    • Final proportion determined by chain rigidity and thermal performance targets

    Downstream process integration

    • Charged during polycondensation or Suzuki polymerization stages
    • Incorporates after pre-polymer purification

    Final product types

    • Liquid crystal monomers
    • High-performance aromatic polyesters
    • Specialty resins for microelectronics
    • Display-grade films

    4. Fine Chemical for Organic Synthesis Research & Pilot Scale-Up

    R&D laboratories exploit the compound as a model substrate for method development, especially in halogen-lithium exchange, cross-coupling, and asymmetric catalysis research. Scale-up teams focus on batch-to-batch reproducibility and residual organic impurity profiles, critical for method validation ahead of larger-scale commercial campaigns.

    Industry compliance standards

    • ACS Reagent Grade Specifications
    • ISO/IEC 17025 Laboratory Accreditation
    • GLP (Good Laboratory Practice) for pilot studies
    • Lab safety standards OSHA 29 CFR 1910.1450

    Typical usage ratio

    • 0.1–1.0 molar equivalents per reaction, dynamically adjusted based on analytical development goals
    • Pilot plant trials may vary ratio for process kinetics studies

    Downstream process integration

    • Enters early synthesis step as aryl ester starting material
    • Utilized in test reactions for catalyst and base screening

    Final product types

    • Synthesized organic intermediates for drug discovery
    • Lead compounds in screening libraries
    • Chiral ligands for asymmetric catalysis
    • Process-validated sample batches for scale-up

    5. Intermediate for UV-Stabilizer Additive Synthesis

    Within the polymer additive sector, this raw material enters reaction schemes synthesizing arylated esters for ultraviolet stabilizer compounds. Downstream customers demand low color indices and controlled particle size distribution for direct masterbatch or compounder inclusion. Compliance focus remains on polymer additive purity and toxicological data submission readiness.

    Industry compliance standards

    • EU REACH, SVHC checklists for polymer additives
    • EN 71-3:2019 (Toy Safety migration requirements for additives)
    • FDA 21 CFR 178.2010 (Antioxidants and/or stabilizers for polymers)
    • ISO 14001 Environmental Management in chemical additive manufacturing

    Typical usage ratio

    • Typical 0.5–2.5 wt% loading in additive masterbatch synthesis
    • Adjusted on desired stabilizer content and application requirements

    Downstream process integration

    • Added during condensation or esterification to create high-aromatic UV absorber backbone
    • Participates prior to final precipitation and purification

    Final product types

    • UV-absorber masterbatches for PP/PE compounds
    • Aromatic UV-stabilizers for automotive plastics
    • Specialty plastic additives
    • Weather-resistant coatings
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    More Introduction

    Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate: A Modern Chemistry Workhorse

    Making Sense of Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate

    Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate—known among synthetic chemists as a versatile building block—shows up in labs and research facilities looking for reliable results. Before I became familiar with this compound, I mostly stuck with more common esters. I remember the first time I worked with its crystalline powder, using it in a research project focused on fine-tuning the backbone of anti-inflammatory compounds. At first, the thing that stood out was the sharp, consistent melting point. That sort of stability means less fuss about spontaneous side reactions, and more attention to what really matters—experiment outcome and safety.

    The model many chemists reference, C11H13BrO2, provides an easy framework for designing molecules with both aromatic and aliphatic character. Its bromine atom speaks to halogen chemistry fans, standing out as one of the more straightforward handles for cross-coupling, Suzuki reactions, and modifications in medicinal chemistry campaigns. Other derivatives in the same chemical family—ones bearing chlorine or simple alkyl chains—never delivered the same kind of reactivity at the para position. That difference means this compound often gets picked for demanding laboratory syntheses where selectivity counts for a lot.

    Understanding What Sets This Compound Apart

    The acetate ester group isn’t just for show. Throughout years of working with different esters, I've seen this structural feature do double duty: easing purification and boosting solubility in organic solvents. During purification, it lets you pull clean crystals with standard solvents like ethyl acetate or hexanes. Anyone who’s pulled gunk from a rotary evaporator knows that being able to count on this level of crystallinity translates to less lost material and fewer headaches. Compared to bulkier analogues, this compound filters better and dries with less residual solvent.

    I always look for materials that simplify reaction workups. Colleagues using Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate report it stays stable under ambient lab conditions—an answer to the classic problem of humidity-damaged solids. In some ways, this hardiness gives it an edge over more volatile esters and ones prone to hydrolysis. When slicing time off purification steps matters, I’ve turned to this compound again and again.

    Bridging Bench Chemistry and Industry Scale-Up

    Walking the line between academic research and industry, I’ve kept an eye on what makes some molecules favorites for scale-up. While many investigational compounds disappear outside small-scale glassware, this ester continues to appear in pilot plant runs. Chemists don’t always appreciate the clean transformation it allows by acting as a reliable precursor for larger functionalization projects. Its solid form packs tightly for storage and travels well—traits companies lean on when moving hundreds of grams at a time. I’ve seen industrial colleagues choose it over methyl 2-(4-chlorophenyl)-2,2-dimethylacetate, even when the price for the bromo group sits a bit higher. The difference comes down to reaction reliability and downstream versatility.

    Many reactions won’t tolerate sensitive or overly reactive intermediates. This compound checks both boxes: neither too stubborn, nor too quick to fall apart. For the teams aiming at production without spending their days troubleshooting, predictability stands as a top value. In my experience, there are few surprises—the solid-state stability, consistent yield, and clean byproducts support efficient, reproducible work. The bromo substituted ring, with its electron-withdrawing punch, favors transition-metal catalysis. I’ve witnessed researchers use it to whip out complex targets in just a handful of steps, ditching drawn-out purifications that waste time and resources.

    Real-World Uses: Where It Shows Its Value

    Chemistry on the benchtop sometimes feels distant from commercial applications, but this compound builds bridges. Medicinal chemists look to molecules like this when piecing together drug candidates—its para-bromophenyl core slides easily into larger pharmacophores. It’s familiar in intermediate stages for nonsteroidal anti-inflammatory drugs, central nervous system agents, and custom dyes. Colleagues who’ve worked in contract research organizations tell me the same thing: predictable reactivity streamlines the fight for tight deadlines in drug synthesis.

    It’s more than a stepping stone, too. I remember a project exploring new ways to make substituted phenylacetic acids, where this compound outperformed its peers under tough reaction conditions. The reason came down to the bromo group’s perfect balance: reactive enough to enable coupling, not so labile that side products create separation nightmares. Any chemist who’s worried about competing functional groups finds this offers a safe bet in multi-step synthesis, lowering the odds of wasted effort.

    Looking Past the Laboratory: Sustainability and Safety

    Owning up to the chemical industry’s footprint, safety and environmental practices come to the front. Early in my career, I watched a safety officer insist that the best products support containment and minimize exposure. Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate, handled as a solid, cuts back on fume concerns and accidental spills typical of more volatile cousins. Unloading it from containers skips the vapor headaches, making life a little easier for those running kilo-scale flows.

    Disposal often hangs over the heads of lab managers. Since organic bromides draw attention due to halogen content, anyone storing or disposing of this compound needs strict waste protocols. Still, its consistent behavior under incineration means facilities can design predictable hazard plans. Safer compounds help protect workers as the march toward greener chemistry gets stronger every year—I’ve noticed growing preference for stable materials that pose fewer downstream surprises. Finding the best balance between chemical utility and environmental responsibility means asking which starting materials pose the least long-term risk.

    Comparing to Related Compounds

    It’s tempting for new researchers to swap out aryl esters without thinking through the details. Over dozens of projects, I’ve found that small Structural tweaks—trading bromine for iodine or chlorine—don’t always pay off. Iodine often comes with higher cost and tendency to destabilize under light. Chlorine lacks the high reactivity needed for some cross-coupling jobs. The bromo group nails that sweet spot for transition metal reactions, like Suzuki, providing strong leaving ability without the handling risks of heavier halogens.

    Steric effects matter here too. The 2,2-dimethyl backbone sets this compound apart. Compare it to methyl 2-(4-bromophenyl)acetate: adding those two methyl groups means less risk of unwanted rearrangements or side reactions. I’ve seen examples where the non-dimethyl analog yielded double the amount of impurities after basic hydrolysis. Why deal with that burden? Fewer purification headaches translate to saved hours, if not days, and less material waste.

    Solubility challenges show up with bulkier analogs as well. The acetate ester in this version fits into a sweet spot for solvent compatibility—soluble enough in polar aprotic solvents, resisting precipitation during most reaction conditions, which can’t be said for heavier, sluggish alternatives. The parallels between this compound and methyl 2-(4-chlorophenyl)-2,2-dimethylacetate would make sense, but the superior reactivity window sets the bromo version apart every time.

    Potential Issues and Ways Forward

    No compound comes without its headaches. The bromine atom, while helpful in synthesis, creates hurdles if waste isn’t managed well. I’ve had to witness chemists become casual with halogenated material, thinking the solid form excuses relaxed safety. Strong waste protocols can’t slip—incineration must hit regulatory targets for halogen content, and solvent washings shouldn’t end up in common drains. I’ve seen programs that close the loop by capturing and recycling bromine-containing residues. Those efforts add to overhead to start, but they keep research teams and environments safer, and reputations protected.

    Sourcing high-purity bromoesters sometimes turns into a supply chain hassle. I recall a delayed delivery that cut into a whole team’s research progress. Building local supply networks, and even training teams to purify from lower-grade stock in a pinch, addresses reliability. Community sharing of purification tips, open forums, and practical training all close the knowledge gap. It reminds me of working with new grad students—nobody learns good technique from reading spec sheets, but a single day in the lab with an experienced hand changes everything.

    There’s risk, too, in relying on niche esters for mainline production. I’ve known project managers who were burned by one-off intermediates falling out of commercial favor—this drove companies to reevaluate how they select starting materials. Picking intermediates with broad applicability and reliable routes lessens risk, so that changed my own strategy for project planning. Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate stands out because its core remains valuable across both public research and private-sector demands.

    Ways to Improve Practices and Safety

    As companies and labs push toward more sustainable practices, transparency draws more attention. Clearly listing chemical compositions of purchased lots, sharing real-world yields, and keeping honest about impurities keeps researchers from running into ugly surprises. Workers new to this compound benefit by learning the hands-on differences: the solid sticks a bit to weighing papers, gives off a mild, sweet scent, and resists clumping even after months on the shelf, as long as the desiccator holds up.

    Training junior chemists in proper transfer and weighing means fewer exposures, less lost product, and improved data at the bench. Locking safety procedures into daily routine—using gloves, avoiding open-air transfers, and labeling all containers—reduces accidents. These habits sound simplistic, but I’ve watched entire research lines go sideways over mishandled chemical transfers. A mentor once told me: the less memorable the chemistry from a safety standpoint, the more memorable its results for publication.

    On sourcing, buyers have more options now for batch verification. Labs requesting traceable certificates and building relationships with trustworthy suppliers dodge the risk of off-spec batches. Testing melting points on arrival, checking for expected NMR signatures, and saving small verification samples from each lot cuts headaches if synthesis hiccups later on.

    The Everyday Impact in Research Labs

    There is something powerful about a compound that stays relevant across decades and research topics. Some esters vanish from supply catalogs as focus shifts, but Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate keeps showing up. Chemists, new and seasoned, rely on it to keep projects running smoothly, providing a platform for exploring new reaction pathways without breaking the bank or racking up failed experiments.

    Chemistry education benefits from access to intermediary esters like this. Unlike more toxic or unstable alternatives, undergraduates can handle and use it as part of regular synthesis coursework, learning purification skills and appreciating the limits—and potential—of substituted phenylacetic acid derivatives. I’ve noticed how familiarity breeds confidence: students who cut their teeth on safer, stable compounds move on to more advanced syntheses with far fewer mishaps and better judgment. That foundation builds a more competent workforce and lowers industry training costs down the line.

    Future Prospects: Where Could It Go Next?

    As chemistry leans ever more toward green design and bio-inspired routes, the role of reliable intermediates grows. Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate already fits the bill for selectivity, but there’s room to adapt its use for even greener transformations. Alternative coupling reactions that require less energy or greener catalysts—think flow chemistry or water-soluble palladium complexes—could find new value in the acetate backbone.

    Continued research might track reaction byproducts and eco-impact, seeking lower-waste couplings or less hazardous workup procedures. As a seasoned researcher, I can see this compound anchoring new generations of functionalized molecules, especially where environmental and workplace safety get the recognition they deserve. Research consortiums and academic partnerships could share data openly, speeding up best practices for sustainable use and recycling.

    Continued development rests in part on feedback loops: chemists from startups to large pharma sharing reaction successes, purification tips, and recycling strategies for halogenated byproducts. Open channels serve everyone—safer processes emerge, quality improves, and everyone from interns to senior scientists learns a bit more. I recall when online forums first started sharing real-world reaction outcomes; the time savings alone justified the effort, and the field as a whole progressed faster.

    Reflections from Personal Lab Experience

    Over the years, substances like Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate have taught me about patience, persistence, and the importance of fundamentals. As a graduate student, slogging through weeks of failed syntheses before discovering the advantages of this simple bromoester, I gained more than a product—I learned that seemingly minor substitutions and stable chemical backbones count for more than theoretical yield predictions. More success, fewer messes, and less time spent washing glassware or recovering lost material allowed for real scientific curiosity to flourish.

    Learning to respect each compound’s quirks—how it behaves on the filter paper or under TLC light—fosters the kind of respect that keeps good scientists careful and aware. Small habits, such as weighing solid esters first or labeling all stock solutions clearly, grew naturally as I worked with materials that rewarded diligence. I remember introducing a new postdoc to the compound, and seeing their relief when it behaved predictably across gram and kilogram scales. These practical victories matter far more than any spec sheet could predict.

    Conclusion: Building the Best from Reliable Foundations

    In the bigger picture, Methyl 2-(4-Bromophenyl)-2,2-Dimethylacetate earns its place as a foundational player in organic synthesis and industrial chemistry. It stands apart due to its clean reactivity, solid-state stability, and clear advantages over closely-related compounds. The close-knit community of users, whether sharing tips informally or pushing formal research, assures its continued relevance. For chemists aiming to streamline workflow, reduce risk, and unlock new reaction space, this compound deserves a place on the shelf—ready for both everyday experiments and the next ambitious challenge.