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Methyl 2-Bromopropionate

    • Product Name Methyl 2-Bromopropionate
    • Alias 2-Bromopropionic acid methyl ester
    • Einecs 239-235-6
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    593110

    Chemicalname Methyl 2-Bromopropionate
    Casnumber 5445-17-0
    Molecularformula C4H7BrO2
    Molecularweight 167.00
    Appearance Colorless to pale yellow liquid
    Boilingpoint 138-140°C
    Meltingpoint -54°C
    Density 1.464 g/cm3 at 25°C
    Refractiveindex 1.439
    Flashpoint 46°C
    Solubility Soluble in organic solvents, slightly soluble in water
    Purity Typically ≥98%

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

    Packing & Storage
    Packing A 100 mL clear glass bottle labeled "Methyl 2-Bromopropionate," tightly sealed with a blue screw cap and hazard symbols.
    Shipping Methyl 2-Bromopropionate should be shipped in tightly sealed containers, protected from light, moisture, and incompatible substances. Transport as a hazardous material according to local, national, and international regulations. Use appropriate labeling and documentation. Handle with suitable personal protective equipment and ensure proper ventilation to minimize exposure risks during transit.
    Storage Methyl 2-Bromopropionate should be stored in a tightly closed, clearly labeled container made of compatible material. Keep it in a cool, dry, and well-ventilated area, away from heat sources, direct sunlight, and incompatible substances such as strong oxidizers and bases. Store at room temperature or lower, and ensure safety measures are in place to prevent spillage or accidental exposure.
    Application of Methyl 2-Bromopropionate

    Applications of Methyl 2-Bromopropionate in Industrial Manufacturing

    Methyl 2-Bromopropionate plays a specialized role as a building block and reactive intermediate in several industrial sectors, where its unique chemical structure supports downstream chemical synthesis and value-added production. Our manufacturing expertise ensures strict control over purity and specifications, meeting the nuanced needs of each usage scenario below.

    1. Pharmaceutical Active Ingredient Synthesis

    In the pharmaceutical sector, downstream producers use this ester as a strategic intermediate for constructing complex molecules in the synthesis of active pharmaceutical ingredients (APIs). Its precise reactivity allows functional group introduction, such as methyl and bromine, with high chemo-selectivity. Manufacturers employ our material during the alkylation, esterification, or as an α-bromo precursor stage, directly influencing critical steps in API pathway assembly. Adjustments to addition ratio depend on target molecule and process scale, with strict traceability for regulated environments.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • Ph. Eur., USP, JP (European, US, Japanese Pharmacopoeia as relevant to the API)
    • 21 CFR Part 211 (FDA GMP, US)
    • Chinese Pharmacopoeia ChP where applicable

    Typical usage ratio

    • 0.2–0.8 molar equivalents relative to core substrate; adjusted based on intermediate yield requirements and impurity control profiles.

    Downstream process integration

    • Charged as a reactant at the bromo-alkylation or methylation step within multi-stage API synthesis (e.g. β-blocker analogs, amino acid derivatives).

    Final product types

    • Active pharmaceutical ingredients (e.g. intermediate for certain antineoplastic or central nervous system drugs)
    • Complex drug precursors
    • Fine chemical API intermediates
    • Regulated pharmaceutical compounds

    2. Agrochemical Intermediate Production

    Producers in the agrochemical sector value this material as a halogenated source for constructing pesticide and herbicide intermediates requiring controlled reactivity. The bromine atom enables selective substitution during synthesis of specific carboxylic acid derivatives and active esters. Downstream factories incorporate it for introducing α-bromo functionalities into backbone structures during multi-step technical material preparation, influencing yield and selectivity in agro-formulation development.

    Industry compliance standards

    • FAO/WHO Specifications for Pesticide Products
    • ISO 9001:2015 Quality Management for Agrochemical Synthesis
    • REACH Registration, Evaluation, Authorisation and Restriction of Chemicals (EU)
    • Chinese National Agrochemical Standards (GB/T)

    Typical usage ratio

    • 0.5–1.5 equivalents in raw batch formulation; ratio determined by target alkylation conversion and downstream purification requirements.

    Downstream process integration

    • Added at α-bromination or esterification step in technical pesticide or herbicide production; followed by purification and downstream transformation.

    Final product types

    • Technical grade agrochemical intermediates
    • Specific halogenated herbicide and fungicide actives
    • Precursor materials for regulated crop protection compounds
    • Pesticide synthons for formulation houses

    3. Custom Synthesis for Fine Chemicals

    Custom chemical manufacturers incorporate Methyl 2-Bromopropionate to introduce bromo and alkyl ester moieties into specialized molecules for applications such as liquid crystals, specialty monomers, and tailored performance additives. The material enters fine chemical laboratories and pilot lines for producing unique compounds via substitution, condensation, or transesterification reactions, often with stringent batch traceability and purity demands.

    Industry compliance standards

    • ISO 9001:2015 for Quality Management in Custom Synthesis
    • Responsible Care® Chemical Handling Guidelines
    • Specific contract QC protocols as stipulated by end-customer
    • Hazard Communication Standard (OSHA, US) for workplace safety

    Typical usage ratio

    • 0.3–2.0 equivalents, adjusted to meet project-specific molecular substitution or scale-up targets.

    Downstream process integration

    • Employed in nucleophilic substitution, esterification, or bromo-functionalization as the first or mid-stage workflow to create unique fine chemicals.

    Final product types

    • Electronic grade intermediates for display and polymer industries
    • Liquid crystal precursors
    • Advanced functional monomers
    • Performance additives for coatings or high-value custom blends

    4. Synthesis of Chiral Building Blocks

    Specialty synthesis labs and chiral technology providers add Methyl 2-Bromopropionate for constructing enantiomerically enriched intermediates, notably as a prochiral compound for asymmetric synthesis. Critical applications include producing α-methylated acids, esters, or amino acid analogs using enantioselective catalytic systems. Our purity profiles ensure reliable resolution and minimal racemization risk during such transformations.

    Industry compliance standards

    • ISO 13485:2016 for Chiral Intermediate Manufacturing
    • ICH Q11 Development and Manufacture of Drug Substances (chemical entities and biotechnological/biological entities)
    • Good Laboratory Practice (GLP) for preclinical compound synthesis
    • Customer-specified purity and enantiomeric excess criteria

    Typical usage ratio

    • 0.9–1.1 equivalents, relying on the efficiency of the chosen asymmetric catalyst and selectivity of the desired chiral outcome.

    Downstream process integration

    • Introduced as a starting ester at the asymmetric alkylation or addition stage in laboratory or pilot-scale resolution setups.

    Final product types

    • Chiral building blocks for pharmaceutical R&D
    • Enantiomerically pure specialty chemicals
    • Stereospecific amino acid derivatives
    • Key intermediates for optically active molecules
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    Certification & Compliance
    More Introduction

    Introducing Methyl 2-Bromopropionate: Consistency Rooted in Chemistry

    Genuine Production, Proven Results

    Manufacturing Methyl 2-Bromopropionate demands a solid understanding of how fine details impact the finished material. In producing this ester, direct control over every synthesis step creates a product known for reliability batch after batch. Unlike products sourced from uncertain supply chains or resellers, our process starts with the foundation—purity, controlled reactivity, and minimization of byproducts. The equipment, solvent selection, and bromination conditions influence the outcome as much as the quality of raw materials. As a manufacturer, these factors aren’t theoretical—they’re challenges we resolve every production day.

    Product Model: MP203 — Quality and Consistency

    We identify our Methyl 2-Bromopropionate under a unique batch system. The MP203 model stands out for its reproducible properties. Each batch is monitored with GC and NMR, and we track minor impurities closely. This model has cemented its reputation in the pharmaceutical and agrochemical fields, thanks to its high purity and reliable physical characteristics. Meeting exact composition ranges every time isn’t simply a benefit—it’s a necessity for downstream success, especially where reactions demand precise stoichiometry.

    Specifications Built from Experience

    Specification sheets rarely reflect the manufacturing discipline needed to achieve tight control over halogenated esters. Until a decade ago, many plants found it difficult to keep water and other contaminants out of the final product. Today, our process ensures water content stays well below 0.1%. The color remains no darker than pale yellow, and the refractive index sits tightly between 1.4380 and 1.4420 at 20°C. Some may pay little attention to distillation residue, but frequent reprocessing for out-of-spec lots eats into both cost and environmental targets. By maintaining overhead times with automated fraction collection, we keep residue below 0.5%. These exact targets have developed from years of feedback—not only from buyers, but from our own synthetic chemists who rely on reliable intermediate performance.

    Typical Uses: Reliable Reactivity Delivers Value

    The core utility of Methyl 2-Bromopropionate lies in its function as an alkylating agent and building block for fine chemicals. Manufacturers in the active pharmaceutical ingredient sector rely on the molecule when constructing more complex intermediates. Methyl 2-Bromopropionate supports alkylations where size and the leaving group’s ability are finely balanced. In many cases, subtle side reactions threaten overall yield or impurity profiles. A batch with higher levels of unreacted acid or alternative esters creates headaches in downstream purification, increasing both cost and time.

    Research labs count on our material for esterification and amidation reactions as well. In the crop protection arena, it helps develop new herbicides and fungicides, as its reactivity allows structural tweaks that improve biological activity. The growing market for specialty chemicals and flavors appreciates its consistent reaction kinetics, which designers use to control small molecule synthesis programs. More complex molecules lose value with unpredictable intermediates, so reliability in this step becomes nonnegotiable.

    Practical Experience: Production Hazards and Solutions

    For years, bromination reactions have challenged chemical plants due to the potential for over-bromination, accidental HBr evolution, and corrosion. Left unchecked, these issues raise operator safety questions and drive up costs through equipment wear and off-spec batches. Our plant invested early in stainless reactors, closed transfer systems, and in-line neutralization for gas-phase byproducts. Simple storage changes made a real difference. Properly vented tanks and dehumidified environments prevent product degradation, so every shipment leaves the warehouse in peak condition. Experience revealed that old misconceptions about required reaction times led to higher impurity levels, so kinetic studies now govern every production run.

    Differences from Other Alkylating Agents

    Manufacturers often debate whether to use Methyl 2-Bromopropionate versus more common alkyl halides, such as methyl bromide or ethyl bromoacetate. Substitution patterns make all the difference here. The secondary carbon in 2-Bromopropionate presents unique reactivity compared to primary alkyl bromides—allowing better selectivity in synthesis pathways. This attribute proves crucial in material science applications, such as incorporating side-chains onto polymers or tuning drug analogs. While methyl bromide is more volatile and hazardous, Methyl 2-Bromopropionate’s lower volatility and ease of handling improve worker safety and storage stability.

    Compared to ethyl analogs, the methyl ester version brings a smaller molecular footprint. Certain pharma intermediates show higher yields and cleaner reaction profiles with methyl derivatives. Subtle changes in chain length or molecular symmetry have real-world impact when scale-up transitions from gram to ton quantities. In some industries, a half-degree swing in boiling point or minor variance in reactivity means batch success or expensive reprocessing. A less-discussed aspect among non-manufacturers is environmental load. Our distillation system’s high recovery rate limits solvent loss, and the lower bromine content of this ester supports safer waste handling procedures. These factors rarely get attention outside production environments but play a daily role in plant scheduling and emissions control.

    Environmental and Regulatory Considerations

    Manufacturing halogenated chemicals has grown more complex as new environmental controls entered force. Years ago, unchecked venting or hazardous disposal practices plagued the industry. Experience led to better practices. As a plant directly responsible for Methyl 2-Bromopropionate synthesis, we manage strict tracking of every bromine atom entering and leaving the process. Real-time monitoring allows sharp reductions in waste and loss. In regions under strict environmental regulations, such as Europe or California, demonstrating reproducibly low emissions and traceability differentiates the true manufacturer from resellers. This isn’t about paperwork—it ties straight into trust with supply partners and local communities.

    Our in-house teams work with auditors and regulators, ensuring not only compliance with current rules, but also resilience to policy shifts. Consistent investment into closed-loop processing and improved neutralization guarantees safe byproduct destruction. The result? Cleaner effluent, safer air, and greater confidence for end-users who face ever-increasing scrutiny from their own quality managers and regulators.

    Supply Demands and Manufacturing Challenges

    With Methyl 2-Bromopropionate market demand now seeing periodic surges, only true producers appreciate the tension between continuous supply and controlled quality. Unlike traders, we plan plant shutdowns for deep cleaning and equipment overhaul based on historical impurity trends, not just calendar dates. Hard-earned experience showed us that a week’s delay today prevents dozens of headaches downstream. Sometimes, seasonality in raw bromine or fluctuations in methanol supplies create bottlenecks that force creative scheduling—never risking out-of-spec product for speed.

    Managing scale-up for larger orders highlights another difference. Reactions favoring smaller vessels risk runaway temperatures or local over-bromination when volumes increase. Direct reactor monitoring, in-process sampling, and skilled workforce training—all steps grounded in actual plant runs—transform lab-scale recipes into industrial reality. Logistics expertise completes the picture. Handling temperature-sensitive shipments in hot climates once led to complaints about container residue; today, a switched logistics partner and greater route traceability solved the issue. Real-world lessons generate steady improvements, not marketing speak.

    Customer Expectations: Clarity from the Source

    Direct relationships with Methyl 2-Bromopropionate buyers underline differences between a true manufacturer and a distributor. Customers in fine chemicals, pharma, and agriculture come to us not just for a product, but for insights based on the molecule’s quirks. Questions about side-reaction suppression, purification tweaks, or batch reproducibility draw on real plant experience—not secondhand advice found online. Our technical staff contribute data, not generalizations, and support troubleshooting when new or unexpected behaviors arise. Transparent batch records and open QC data ground every shipment. We know supply risk increases when intermediates are passed from hand to hand; traceability only stays meaningful when it starts in the reactor hall.

    End-users pursuing green chemistry initiatives receive practical guidance on solvent choice, alternative workups, and high-recovery reuse plans, all rooted in how the molecule behaves under actual process conditions. Every technical bulletin, method update, or user warning reflects current standards, not outdated literature. With frequent moves toward continuous flow setups in pharma and fine chemicals, our feedback draws directly from pilot and commercial plant experience, not lab-only studies.

    Purity and Handling: Solving Day-to-Day Plant Problems

    The daily grind of chemical manufacturing exposes nuance that off-site formulators overlook. Methyl 2-Bromopropionate’s odor and volatility can threaten plant safety if left unchecked. We solved this by double-sealing transfer lines and routine air monitoring. Storage used to be a weak link, especially in humid regions where even minor condensation causes hydrolysis and product yellowing. To counter this, we invested in dehumidified, inert-gas-blanketed tank farms. Failures in blending or packaging, which dogged early production efforts, vanished after strict operator training and process automation.

    Trace water is the enemy of high-purity ester production. Karl Fischer titration on every outgoing lot revealed that conventional drying steps left micro-level contamination. Switching to multi-stage vacuum stripping reduced water content and paid off in fewer customer complaints about downstream reactivity. Managing worker safety around bromine derivatives matters, so our training emphasizes respiratory protection and strictly enforced personal safety zones—practices that prevent incidents but also anchor long-term operational continuity.

    Continuous Improvement: Lessons from the Production Floor

    Excellence in Methyl 2-Bromopropionate manufacturing grows from accumulated production knowledge. Each deviation, every unexpected color or odor change, reveals new ways to improve. Two years back, a persistent low-level impulse came from odd GC peaks in finished lots. Fieldwork traced the source to a change in methanol supplier—adjusting our incoming QC standards tightened future batches. Small, regular investments into process monitoring reduce long-term waste and unscheduled shutdowns. In chemical plants, vigilance pays dividends that seldom appear in annual reports but matter just as much to production reliability.

    Grassroots training in cross-contamination, safe handling, and byproduct management prevents incidents long before a regulator arrives. Many downstream companies discovered that supply partners who cut corners with intermediates invite recurring headaches. Our direct production role gives us the authority and experience to spot trends early and suggest practical fixes, whether it’s an operating temperature tweak or a new purification step.

    Looking Ahead: Innovation and Responsibility

    Companies relying on Methyl 2-Bromopropionate push for cleaner synthesis, greener footprints, and higher yields each year. We match their ambition by constantly refining process chemistry. Investing in catalytic alternatives and greener solvents has already reduced overall energy inputs per ton. Feedback from multinational pharma partners drives efforts to lower residual solvent levels further and explore continuous manufacturing with fewer waste streams. Day-to-day operational upgrades—like real-time monitoring of reactor heat—add up to meaningful energy savings.

    Operating as a manufacturer, not a middleman, gives us skin in the game. Every improvement is validated on our own equipment, under real-world constraints, before reaching users. This approach means slower but more robust innovation. The trust built with long-standing partners comes from a willingness to adapt and solve—not just ship out standard products. We continue investing in operator training, safety culture, and transparent communications with everyone in the supply chain. Our long-term commitment as a manufacturer shapes every aspect of how Methyl 2-Bromopropionate comes to market and supports industries trying to do more with less risk.

    Conclusion: Why Manufacturing Matters

    Every kilogram of Methyl 2-Bromopropionate tells a story of real chemistry, solved problems, and direct accountability. Whether facing a sudden shift in regulatory oversight, a jump in product demand, or a challenging impurity, experience shows that only direct producers can deliver the consistency, transparency, and support demanded by today’s users. We don’t just offer a product—we guarantee a process that adapts, improves, and stands behind every batch.