Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

Ethyl 2-Bromo-3-Methylbutyrate

    • Product Name Ethyl 2-Bromo-3-Methylbutyrate
    • Alias Ethyl 2-bromo-3-methylbutanoate
    • Einecs 252-749-7
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    954891

    Cas Number 60721-92-6
    Molecular Formula C7H13BrO2
    Molecular Weight 209.08 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 70-72°C at 15 mmHg
    Density 1.32 g/mL at 25°C
    Refractive Index 1.448-1.450
    Flash Point 95°C
    Purity Typically ≥97%
    Solubility Insoluble in water, soluble in organic solvents
    Smiles CCOC(=O)C(Br)C(C)C
    Synonyms Ethyl 2-bromo-3-methylbutanoate

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

    Packing & Storage
    Packing Ethyl 2-Bromo-3-Methylbutyrate is supplied in a 100 g amber glass bottle with a secure screw cap, labeled with hazard information.
    Shipping Ethyl 2-Bromo-3-Methylbutyrate is typically shipped in tightly sealed containers, protected from light, moisture, and incompatible substances. Transport must comply with hazardous material regulations due to its potential irritant and flammable properties. Proper labeling and documentation, including safety datasheets, are required to ensure safe handling during shipping and upon delivery.
    Storage Ethyl 2-Bromo-3-Methylbutyrate should be stored in a cool, dry, well-ventilated area away from sources of ignition and incompatible substances such as strong oxidizers or bases. Keep the container tightly closed and protected from light and moisture. Store in a tightly sealed, chemically resistant container, and properly labeled. Follow all relevant safety and handling regulations to prevent leaks or spills.
    Application of Ethyl 2-Bromo-3-Methylbutyrate

    Applications of Ethyl 2-Bromo-3-Methylbutyrate in Industrial Manufacturing

    Produced in our ISO 9001-certified facility, Ethyl 2-Bromo-3-Methylbutyrate enables synthesis pathways in the pharmaceutical, agrochemical, and specialty chemical industries. Understanding its real downstream applications is critical to aligning formulation, compliance, and production control according to the demands of customers conducting high-value, high-purity industrial processes. Below, we detail specification, compliance, usage, and process integration as observed in current global B2B manufacturing environments.

    1. Pharmaceutical Intermediates for Active Pharmaceutical Ingredient (API) Synthesis

    This compound functions as a crucial alkylating agent for the synthesis of α-branched carboxylic acids and corresponding ester intermediates required in the development of several API scaffolds, including cholesterol-lowering agents and neuroactive compounds. Pharmaceutical manufacturers deploy this material in controlled batch reactors where strict regulatory and traceability standards apply, enabling downstream chiral chemistry and side-chain modifications essential for patent-protected pharmaceuticals.

    Industry compliance standards

    • Current Good Manufacturing Practices (cGMP, ICH Q7)
    • United States Pharmacopeia (USP) compliance for intermediates
    • European Pharmacopoeia (Ph. Eur.) traceability for raw materials
    • FDA audit trail and material origin regulations (21 CFR 210/211)

    Typical usage ratio

    • Applied at 0.5–3.0 molar equivalents relative to starting amine or alcohol, titrated according to the required alkylation conversion and desired byproduct suppression in high-value API runs.

    Downstream process integration

    • Charged after initial substrate pre-activation during Stage 1, added directly in the cGMP-compliant multipurpose reactor, and followed by phase separation and solvent swap in continuous or semi-batch API intermediate lines.

    Final product types

    • Statin API intermediates (e.g., side-chain modified esters)
    • Branched-chain pharmaceutical intermediates
    • Chiral auxiliary compounds for neuroactive drugs

    2. Agrochemical Synthesis – Herbicide and Pesticide Intermediate Manufacturing

    Industrial agrochemical plants utilize Ethyl 2-Bromo-3-Methylbutyrate as an intermediate for the manufacture of key ester-based pre-emergent herbicides and certain insecticidal active constituents. Its reactivity profile offers reliable support for downstream bromoester hydrolysis and acylation required in robust genetic trait management solutions used in modern crop protection.

    Industry compliance standards

    • FAO/WHO Specifications for Agricultural Pesticides
    • REACH registration for hazardous intermediates (EC 1907/2006)
    • ISO 17025 testing protocols for pesticide batch release
    • OECD Good Laboratory Practice (GLP) for test article traceability

    Typical usage ratio

    • Used at a dosage range of 0.8–1.8 equivalents per target acid or amine, adjusted based on target active synthesis yield optimization within integrated reactor lines.

    Downstream process integration

    • Introduced after pre-chlorination or amidation, most commonly as the third step in multi-stage esterification, with implemented real-time impurity monitoring per batch for agrochemical compliance.

    Final product types

    • Branched-chain herbicide actives (e.g., sulfonylurea carrier esters)
    • Insecticidal intermediates with α-alkyl side chains
    • Pre-formulated agrochemical ester stocks

    3. Fine Chemical Synthesis – Fragrance and Flavor Ester Production

    Within the specialty chemicals sector, Ethyl 2-Bromo-3-Methylbutyrate serves as a precursor for the construction of branched flavoring and fragrance esters, supplying global compounding houses serving F&F ingredient blending for consumer and industrial markets. Production facilities closely monitor halogen residue and process impurity management according to food additive regulations, with QC labs supporting multi-stage chromatographic purification before blending.

    Industry compliance standards

    • IFRA (International Fragrance Association) Quantitative Restrictions
    • Flavor and Extract Manufacturers Association (FEMA) GRAS status review for synthetic precursors
    • Regulation (EC) No 1334/2008 for food flavorings
    • ISO 9001:2015 certified batch records for fine chemical processing

    Typical usage ratio

    • Typically 0.3–1.0 molar equivalents per target aromatic alcohol, depending on the synthetic pathway and target ester’s volatility and branching effect on sensory profile.

    Downstream process integration

    • Charged post-precursor purification, directly into transesterification reactors during step-growth flavor ester synthesis, with inline monitoring to manage halogenated byproduct profiles affecting end-use approval.

    Final product types

    • Isoamylic fragrance esters
    • Complex branched flavor esters for food & beverage applications
    • Technical grade aroma intermediates for blendstock use

    4. Custom Synthesis for Research and Pilot Scale Fine Chemicals

    Chemical contract manufacturers and R&D divisions use our material as a highly reactive brominated building block for exploring new small molecule syntheses in pilot-scale capacities. Consistent quality and trace document trails support its role in route scouting, analytical method development, and reaction optimization for clients advancing patent filings and specialty molecule launches.

    Industry compliance standards

    • ISO 9001:2015 QMS for documentation and lot traceability
    • OECD GLP for non-clinical research chemicals
    • GHS labeling and SDS management for laboratory operations
    • Regional registration compliance for research chemicals

    Typical usage ratio

    • Employed from 0.2–2.5 equivalents, with levels determined during exploratory optimization as researchers vary stoichiometry to evaluate conversion rates and new reaction pathways.

    Downstream process integration

    • Distributed to R&D lab glassware or mid-scale pilot reactors after substrate selection, typically entering during initial stage or post-catalyst activation depending on experimental design.

    Final product types

    • Patent-pending fine chemical markers
    • Specialty research intermediates
    • Protected motif scaffolds for pharmaceutical or materials R&D
    Free Quote

    Competitive Ethyl 2-Bromo-3-Methylbutyrate prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Introducing Ethyl 2-Bromo-3-Methylbutyrate: Precision for Advanced Synthesis

    Shaping Tomorrow’s Molecules in Everyday Labs

    Decades go by, but the challenge of reproducibility and selectivity inside a chemical reactor never gets old. At our facility, chemists work in the middle of glassware, valves, and three-shift schedules. There’s never any room for shortcuts when each product must live up to expectations batch after batch – and that is just how we approach the manufacture of Ethyl 2-Bromo-3-Methylbutyrate. Every day, this compound emerges from our reactors under tightly controlled reaction paths, where purity and isomeric composition get continual scrutiny. As a manufacturer, we’re not just making a building block; we’re making the difference between a smooth downstream reaction and a week spent troubleshooting.

    What We Prioritize in Manufacturing

    Every reaction starts with raw materials—ours come from trusted suppliers whose shipments get tracked, sampled, and QC checked before reaching the reactor floor. The 2-Bromo-3-Methylbutyrate process makes demand on temperature control, stoichiometry, and timing. Any drift, and the crystallization profile tells on us during final purification. We sample each lot, not out of habit but due to real headaches in the field caused by minor impurities. Traces of byproducts such as ethyl 2-chloro-3-methylbutyrate or unreacted methylbutyric acid can lead to strange HPLC shadows or yield drops in the customer’s next step.

    Instead of hitting “good enough,” we record not just GC assay, but ketone traces, water content, and bromine index. For research needs, customers often chase products with specific stereochemistry or a particular volatility profile. Analysts in pharma or agrochemical research demand reliable response factors and consistent impurity patterns. Our QC team hand-checks these, and batches that don’t map within our benchmarks never make it out the door.

    Usage and Impact Beyond the Benchmark

    Any organic chemist who’s tried running an alkylation or carbonyl substitution knows what a finicky intermediate can do to a perfectly planned sequence. Ethyl 2-Bromo-3-Methylbutyrate offers a straightforward route for introducing a tertiary alkyl group – the 3-methylbutyryl motif – onto nucleophilic substrates. Its structure, with a bromine at the alpha position, builds reactive potential into the molecule, letting C–C bond formation take place with good selectivity and manageable side reactions. This sets it apart from more basic bromoesters or analogs with primary or secondary side chains, which can lead to over-alkylation or unexpected rearrangements.

    Applications are everywhere in medicinal chemistry, where the 3-methylbutyric moiety acts as a protected motif for further manipulations. In crop protection synthesis, this bromoester stands at a key point for the introduction of functional groups that determine a product’s efficacy and environmental behavior. The role of this molecule in combinatorial libraries also deserves mention—yielding product series for screening without the baggage of excess byproducts often created when using alternatives like ethyl bromoacetate or longer-chain homologs.

    Handling the Details—Why Specifications Matter

    Chemists turn the page on published procedures expecting that intermediates will behave as described. Too many times, we've watched the fallout from careless blending, where high residual solvents or indistinct isomer ratios turned a day’s work into a string of failed reactions. Our Ethyl 2-Bromo-3-Methylbutyrate comes through repeated distillation and cold filtration, ensuring both the correct isomeric outcome and minimal moisture content. Even trace moisture content spells trouble, producing hydrolyzed acids or degrading sensitive fusion steps downstream.

    While laboratory catalogues make small-quantity sales accessible, scaled production tells the real story. Bulk users depend on unchanging profiles in each drum or bottle, whether working with milligrams or full-scale lots for intermediate manufacture. That’s why our specifications extend beyond base-level purity—controlling not just GC area percent, but also stabilizer content, because even a hint of acid catalyzes decomposition on storage. These aren’t trivial details; they turn into months of shelf stability that makes a big difference for warehouse managers and production planners alike.

    Standing Apart from Other Products

    Plenty of bromoesters compete for bench space and attention in modern synthesis. The difference comes down not just to purity or cost, but to the edge given by smart process design and after-sale research support. Ethyl 2-Bromo-3-Methylbutyrate differs from simple bromoalkanoates or ethyl bromoacetate primarily in steric impact and electronic properties. Compared to the unsubstituted bromoacetate, our product’s tertiary carbon restricts certain eliminations and side-products that have derailed more than a few graduate student theses. Methyl branching at the 3-position tunes the molecule’s reactivity, often delivering improved selectivity and fewer surprises in alkylation or nucleophilic substitution.

    Several times, customers planning a route substitution will ask about the behavior of alternative halides—say, ethyl 2-chloro-3-methylbutyrate or the iodo analog. Chlorides, while cheaper, typically underperform in SN2 and SN1 schemes involving weak nucleophiles, whereas iodides create storage headaches due to increased volatility and shelf-life issues. Ethyl 2-Bromo-3-Methylbutyrate hits a durability sweet spot—offering better leaving group performance than chlorides, but less risk of uncontrolled side reactions compared to more reactive iodides.

    Over the years, academic partners have flagged how downstream hydrolysis sometimes climbs in batches from less disciplined suppliers. We work hard to keep water and residual acid below commercial thresholds, which sustains reactivity throughout critical steps like Grignard reactions, reductive aminations, or Suzuki couplings. It’s these accumulated lessons from real production work that upgrade a standard chemical to a dependable workhorse.

    What Reliability Looks Like in Practice

    High-throughput chemistry puts extraordinary load on reagents. We field weekly requests for batch data spanning years, plus technical dialogue about performance in different research settings. A gram-scale shipment for a screening project turns, sometimes overnight, into a bulk order for scale-up or pilot-plant delivery. The only way to earn repeated business and trust lies in providing evidence—full chromatograms, NMR spectra, COAs that tell the full impurity story, not just pay lip service to core content. Every technical problem, whether in-barrel discoloration or out-of-spec byproducts, gets tracked and solved with chemical and process changes, not marketing gloss.

    Bulk clients come to us for more than a drum—they seek a partner for ongoing supply. They expect notification of any process tweak. A downstream plant on 24/7 schedule doesn’t benefit from rushed supply chains or inconsistent intermediate quality. In our operations, no batch leaves the factory floor until QC documentation closes, and internal traceability loops from the earliest raw stock to final drum. These steps become invisible to the outside world, but they’re the spine of what makes reliable intermediates possible.

    The Human Factor in Daily Production

    Facility schedules run in three shifts, with teams trading notes about temperature excursions or unusual reactor stirs. It’s the human eyes and steady hands that keep our Ethyl 2-Bromo-3-Methylbutyrate to the right color, viscosity, and odor. Any hint of yellowing or an off-smell in the sample jar brings production to a stop for review, long before it could impact customer work. Each operator has their own way to spot early warning signs—a lesson learned from trainers who handled these molecules before us.

    Stories get passed around the meeting rooms of a batch ruined by a failed distillation, or miscalculated bromine addition, burning thousands in raw materials and time. Each mistake is added to working protocols. That’s why, in every batch sheet, staff annotate both standard points and unusual observations. We know from years of experience, it’s rarely the obvious faults that cause trouble. Minor temperature spikes, addition rates off by a decimal, or odd gassing profiles all tie back to purity and reactivity in the finished ester.

    Making a Difference at Each Scale

    A 1-gram analytical sample for a research chemist matters as much to us as a full container for an API plant. Over the past ten years, scale-up requests have surged, especially among biopharma companies. Reproducibility from gram to kilo to tonne is a practical challenge, not a theoretical one. Heat transfer shifts, mixing inefficiencies, or vessel carryover can all shadow the purified product. Engineers chart these risks using process hazard reviews, batch blending, and dynamic supply tracking across our three production suites.

    Batch-to-batch reproducibility isn’t just a technical achievement—it’s the basis for regulatory filings and failsafe quality in repeat synthesis. Drug master files and validation procedures depend on fine points: chirality, impurity levels, and storage stability. In regulated fields, a single batch failed on analysis means weeks or months of corrective work and disrupted launches. So every kilogram we release has been through stability trials, warehouse cycling, and customer feedback loops. Product going into a pilot line gets flagged for periodic retests, stretching shelf-life awareness far beyond “manufacture date” stickers.

    Balancing Environment, Safety, and Practicality

    Producing high-purity bromoesters isn’t just about process; it’s about keeping people and surroundings safe. Bromine handling is no classroom exercise. Offgassing, leaks, or disposal slips can cripple a whole operation, or worse. It’s a hard-learned lesson: keep safety protocols live, not photocopies on a wall. Staff suit up in triple gloves, charcoal masks, and acid-proof boots for each batch run. Automated reclamation loops mean less waste and risk. Regulators aren’t the only reason for clean process discharge; nobody on this team wants to work around uncontrolled fumes or unreliable ducting. We invest in containment, not to “comply” but to protect colleagues and neighbors.

    On the environmental front, every glycol spill, rinse batch, or bromine tail gets logged, neutralized, recycled where practical, and tracked per local standards. Large-scale bromoester production doesn’t grant a blank check to offsite disposal or one-size-fits-all abatement. Product yield is only as good as the safety standards that keep hands, eyes, and air intact for the next shift.

    Real Challenges, Real Solutions

    Engineering teams face technical headaches often glossed over in product brochures. Temperature sensitivity in the bromination step sets limits on reactor buildup and product evolution. Bromide ion content, separation protocols, and the impact of solvents like DCM or toluene continuously affect final purity and yield. We grapple with supplier variability all year—one sticky or off-ratio shipment can cause weeks of recalibration. In resolving these, we lean on in-house research: pilot trials, adjusted reaction profiles, and real-time process analytics. Engineers refine agitation rates or design alternate quenching routines. Chemists map impurity pathways using real-world feedback, not just theory.

    Storage stability stands as an ongoing question. Our barrels ship with nitrogen blankets, and temperature monitors stay in place up to customer receipt. Remote customers often ask about logistics—how to prevent degradation or hydrolysis if a shipment sits in customs. Our practice stems from hard-won lessons: regular stability testing, selection of compatible liners, and strict documentation that includes real-time temperature logs for high-value orders.

    Customer support goes well beyond the material safety data sheet. Technical service chemists work on analytical issues side-by-side with researchers around the globe, troubleshooting odd reactions, suggesting purification tweaks, or linking researchers with peer-reviewed literature from comparable projects. This feedback cycles back to process chemists, refining specifications in response to what happens on real benches, under real deadlines.

    Learning from the Market—And the Lab

    Academic and industrial partnerships shape how we see the role of Ethyl 2-Bromo-3-Methylbutyrate. Collaborations with universities show how molecular tweaks affect pathway efficiency, solubility, or selectivity. These joint projects sometimes reveal fault lines in even the best process—leading to reformulated purification steps, catalyst selections, or better packaging. The compound’s broader success traces back to how often it helps avoid problematic intermediates in step-intensive syntheses.

    The real measure of utility lies in how few surprises the product generates. We’ve watched teams shave months off development timelines by switching to our bromoester, not only due to higher purity but because reliability in the bottle leads to successful reactions at scale. The best innovation, we’ve learned, comes from closing gaps between theory and practice—listening first to the bench chemist, then refining upstream to make the next batch better.

    Moving Forward with Confidence

    As the industry shifts toward more demanding regulatory oversight, detailed traceability and batch records come with every shipment. Everything from container material to shipping environment fits into detailed release criteria. Our clients count on these details to pass audits and ensure compliant documentation for drug master files, agrochemical dossiers, or industrial registrations. The role of a chemical supplier in this environment stretches well beyond price list comparisons—it’s about enabling the next step in research or manufacturing with confidence.

    Ethyl 2-Bromo-3-Methylbutyrate stands as both a technical achievement and a daily, practical tool for innovation. Through thousands of kilograms delivered, hundreds of projects supported, and countless team meetings dissecting problems or planning improvements, the standard keeps moving higher. That’s how chemical manufacturing pushes forward: by using every batch as a chance to learn, refine, and support customers on the real front lines—whether it’s a university bench or a commercial plant running twenty-four hours a day.