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HS Code |
853254 |
| Cas Number | 70-23-5 |
| Molecular Formula | C5H7BrO3 |
| Molecular Weight | 195.01 g/mol |
| Iupac Name | Ethyl 3-bromo-2-oxopropanoate |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 81-83 °C at 11 mmHg |
| Density | 1.56 g/mL at 25 °C |
| Melting Point | -32 °C |
| Solubility | Soluble in most organic solvents |
| Refractive Index | 1.462-1.464 |
As an accredited Ethyl Bromopyruvate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Ethyl Bromopyruvate, 25g, is supplied in a sealed amber glass bottle with a tamper-evident cap and clear labeling. |
| Shipping | Ethyl Bromopyruvate is shipped in tightly sealed containers, protected from light and moisture, and in compliance with hazardous material regulations. It is classified as a dangerous good (UN No. 3265), requiring appropriate labeling, documentation, and handling precautions during transit to ensure safe and secure delivery. |
| Storage | Ethyl Bromopyruvate should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from sources of ignition, moisture, and incompatible materials such as strong bases and oxidizers. Keep the chemical protected from light and store at room temperature or lower, as recommended by the manufacturer. Always handle with appropriate protective equipment and avoid prolonged exposure. |
Applications of Ethyl Bromopyruvate in Industrial ManufacturingEthyl Bromopyruvate serves as a niche intermediate across select industrial chemical sectors. As the original manufacturer, we address the processing requirements of pharmaceutical ingredients, specialty fine chemicals, and targeted agrochemical synthesis. Downstream users apply this raw material due to its selective reactivity and integration into multi-step transformation schemes. 1. Pharmaceutical API Synthesis (Keto Ester Building Block)Ethyl Bromopyruvate acts as a core starting building block in the synthesis of several active pharmaceutical ingredients, specifically within heterocyclic and alpha-bromo carbonyl pharmaceutical intermediates. Its reactivity under controlled nucleophilic substitution and condensation reactions ensures high yield and purity for downstream pharmaceutical manufacturing of molecules such as anticancer agents and anti-infective compounds. In this sector, users employ closed reactor charging and in-line monitoring, coupled with advanced analytical QC, to meet regulatory and client specification demands. Industry compliance standards
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2. Agrochemical Intermediate ProductionIn the agrochemical industry, this compound finds application in the synthesis of advanced intermediates for herbicides and insecticides, including specific pyridone and pyrazole scaffolds. Formulators value the controlled reactivity of the bromoketone group, which allows for efficient formation of ring systems and downstream functionalization steps. Processing often includes phase-transfer catalysis and aqueous-organic extractions to optimize yields and purity of sensitive intermediates for crop protection products. Industry compliance standards
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3. Fine Chemicals and Specialty ReagentsWithin fine chemical manufacturing, this compound is utilized for the preparation of specialty reagents, such as alpha-brominated carboxylate esters and protected keto acid derivatives. The controlled introduction of alpha-bromo groups allows chemists to design reactive intermediates for further transformation, protection, or coupling reactions. Batch or semi-continuous systems often use carefully calibrated addition rates, facilitated by automation for fine structure control and impurity management in the development of high-value sub-gram to multi-kilogram batches. Industry compliance standards
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4. Organic Synthesis for Academic and R&D InstitutionsUniversity and industrial R&D laboratories apply this compound in small-scale synthesis to create new molecular scaffolds and investigate reaction mechanisms. Its alpha-bromoketo group provides a unique entry point for nucleophile targeting and cyclization model studies. Integration procedures typically follow micro-scale handling protocols, with reaction monitoring via spectroscopic or chromatographic techniques, in settings dedicated to custom molecule generation and proof-of-concept studies. Industry compliance standards
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Working behind the tanks and reactors where chemicals take form, we deal with Ethyl Bromopyruvate far beyond what a simple product listing could capture. From raw material procurement through to drum or bottle, every batch stands as a reflection of our process. The substance itself, known among chemists as ethyl 2-bromo-2-oxoacetate, traces its origins to the blending of bromine and pyruvic acid ethyl ester under strictly controlled conditions. What looks to others like a routine intermediate always comes with its own story at the reactor and each story shapes how this intermediate behaves downstream.
Over years of experience, our facility established its own line for Ethyl Bromopyruvate, typically manufacturing at a purity above 98 percent, consistent with HPLC and GC analyses. Every run begins with pharmaceutical-grade ethyl pyruvate and high-purity elemental bromine — we have learned through pilot-scale failures and successes that variations in either starting material end up in unpredictable downstream side reactions. The specifications we lay down do not come out of a vacuum. Our technical staff found during routine monitoring that keeping moisture content regulated below 0.5% suppresses unwanted hydrolysis; controlling reaction temperature to a steady margin below 5°C minimizes colored byproducts and keeps post-reaction purification straightforward.
Ethyl Bromopyruvate serves as a vital building block for a broad range of organic syntheses. Customers developing pharmaceuticals come to us for material that will stand up to their route’s demands — particularly nucleophilic substitution and Michael addition reactions. On one end, medicinal chemistry groups value its capacity to introduce a reactive α-bromocarbonyl. On another, agrochemical developers use it to build more complex molecules. Our experience on the factory floor revealed that even small shifts in process conditions — slight pH drift, slow cooling, or residual metal ions — show up later as inconsistent yields for our partners. We focus our production on keeping the process tight, batch after batch, because any flaw multiplies as it passes down the line.
Ethyl Bromopyruvate is not a fungible commodity. Some would treat it as interchangeable, but producing it firsthand uncovers genuine differences. Small traces of impurity — residual unreacted bromine, byproduct esters, or hydrolyzed acids — lurk in material produced under suboptimal control. In one comparison we ran with trade-sourced samples, increased acidity and color differences pointed to degraded product, compromising customer experiments and introducing hazards to their plant workers. Acceptable by warehouse standards rarely means reliable at the bench or in a reactor.
We established in-line QA throughout the batch process. Titration results, colorimetric bromine checks, and post-synthesis GC-MS scans run as routine, not as afterthoughts. Our product ships only after meeting thresholds for color (typically water-white to light yellow), specific gravity, and residual bromine below the lower limit of detection. It comes directly from our process vessels, not sitting long in bulk storage. Each drum and bottle carries a provenance rooted in firsthand formulation rather than just repackaging.
Working with this reagent on the factory floor, our crew learned that it’s more reactive and sensitive than typical haloacetates or brominated intermediates. For one, its volatility at room temperature means standard steel drums can vent residue, calling for fluoropolymer-lined containers. Any drift in storage conditions or exposure to ambient humidity invites slow hydrolysis — a risk often missed until users notice off-odors or cloudiness. Frequent quality checks and minimal residence time in storage mitigate these issues more reliably than typical trading house models. We favor quick turnover and direct dispatch, preventing the buildup of decomposition products.
Other acyl bromides or halogenated esters may handle more forgivingly, but they fail to deliver the same reactivity profile in target reactions. Ethyl Bromopyruvate stands out for its unique blend of reactivity and selectivity — an asset for chemists pursuing efficient syntheses, but also a challenge on our end to ship with full integrity. Our technical experience reminds us that just-in-time production and controlled supply make a measurable difference in both safety and downstream yield.
In our experience, unpredictability from raw reagents complicates scale-up and new molecule development. Many customers seek raw material for medicinal projects where a patent window gives no room for error. Assured batch traceability, fine-tuned from the moment bromine hits reactor, reduces project delays and wasted work. Process control and quality testing become more than checkmarks — they are the way we guarantee that the Ethyl Bromopyruvate our team fills today works the same as that filled last month or last year.
Colleagues in synthetic R&D have shared that even seemingly minor lots sourced from far-off traders introduced batch-to-batch inconsistencies. A slight yellow tinge, faint acidic note, or unpredictable reactivity costs hours lost troubleshooting or adjusting reaction times. Our team takes this feedback seriously — continuous improvement lies at the heart of manufacturing rather than distribution.
Brominated intermediates often raise environmental and safety discussions, and our plant confronts those realities daily. Ethyl Bromopyruvate's reactivity that serves chemists equally poses risks to our team. We enforce dedicated fume extraction, closed-system handling, and waste stream treatment to meet both regulatory and internal safety expectations. Operators maintain PPE beyond normal lab standards, owing to the irritant properties of both product and side emissions — especially bromine vapor. Years developing procedures around its stability led us to introduce staged neutralization systems for any spills or offcuts, turning potential hazards into manageable events.
Waste from Ethyl Bromopyruvate cannot get dumped down the drain. We treat all aqueous and organic streams with dedicated sodium thiosulfate neutralization to remove trace bromine and brominated organics, then send off for approved hazardous waste management. These are not check-the-box steps for us; daily logs and supervisory oversight keep the process safe not just for our team, but for our neighbors and broader community. Producing at source means we own every step and ensure that each gram leaving the site does so with environmental caution.
As direct manufacturers, we set up collaborative channels with formulation teams, R&D leads, and plant chemists. Feedback cycles play out in weeks, not quarters. Handling a question about lot performance or shipping a replacement batch starts in the control room, not at a call center. Years of direct contact with end users gave us insights that pure traders cannot match — requests for tailored packaging, detailed COA properties, or advance notice of new lot numbers.
On occasion, process engineers from pharmaceutical companies invite us to review their planned syntheses with Ethyl Bromopyruvate. Our staff often exchanges information about possible byproduct formation or custom purification routines, based on the peculiarities of their solvent systems or reaction scales. This practice, started out of necessity, gives both sides greater reliability. We gain early warning if downstream challenges surface, and our partners receive product that meets their precise project requirements.
Not every run comes out perfect. Over the years, we logged downtime from glassware breakage, temperature runaway, and incomplete phase splits. These events drove us to invest in batch monitoring, redundant cooling, and even re-examined our filtration methods. A small error in controlling exotherm can not only lower the yield, but create off-spec byproducts — a lesson we took to heart, and one that customers rarely glimpse upstream. Every non-conformance fuels revisions to our standard operating procedures, training, and even the way we document each batch in our digital logs.
Traders rarely face these realities, but for us, every mistake is a laboratory. This attention to detail shows up each time a partner’s HPLC trace shows clean, single peaks and consistent retention times. We do not shy away from sharing our process learnings with experienced users, because transparency ensures fewer surprises down the line.
Chemical innovation runs faster than ever. Our workflow, structured for minimal lag between production and shipment, stands built to serve customers who cannot accept multi-week lead times. We run flexible batch planning and inventory management using demand feedback from key accounts, boosting made-to-order synthesis for development chemists and established users. Orders placed for Ethyl Bromopyruvate find themselves produced, quality checked, and dispatched with minimal hand-offs or warehouse stalling.
Compared to distributor-led pipelines, we prioritize fresh lots designed to avoid storage-driven degradation. A fresh batch delivers tight performance, keeps downstream process control intact, and helps customers move rapidly from research to scale-up without worrying whether an old bottle might spoil their data or delay their next milestone.
Standing behind our material as a manufacturer, we must document every process detail, raw material origin, and analytical method. Each batch of Ethyl Bromopyruvate ships with a comprehensive analytical report: HPLC purity, water content, bromine residue, and other tailored data based on specific customer requests. Our in-house compliance team updates each data set as standards shift, reflecting changes from EFSA, REACH, or other relevant bodies. No off-the-shelf, vague certificates — traceable, transparent, and built from our own logs.
Direct manufacturing means we can adapt fast when new regulatory concerns emerge. Whether the demand involves custom compliance data, specialized impurity profiles, or shipping documentation, our QC department manages all information firsthand, cutting down weeks that would get lost in distributor back-and-forth. Our material’s fingerprint begins at our plant, ends at the customer’s bench, and covers every regulatory or analytical stop in between.
Time spent in our own reactors gives us a different view than those passing through a distribution warehouse. We cross-check each new technique our process and chemical engineering staff bring onboard; from microfiltration to automated batch controls. This on-the-ground expertise works out for the benefit of clients seeking more than a generic small bottle. It supports chemists running critical reactions, where inconsistent lots cause real losses and fresh, high-integrity supply pays dividends in every synthetic campaign.
Clients often share long-term project outcomes with us — ranging from successful IND filings to new crop protection screens. Their trust grows because our team does more than just fill a spec sheet; we learn with and from our buyers, because chemical manufacturing doesn’t stop at the reactor. Our job finishes only after their results validate the reliability of the building blocks we produce.
Widespread adoption of direct-from-manufacturer supply models could address many issues observed with intermediaries. Old chemical stock, repacked material, or unclear provenance too often spoil productivity at the end user’s site. The closer the connection between bench and batch, the fewer surprises in quality or documentation arise. We routinely advocate for greater transparency and closer collaborative ties as industry best practices.
Another gap involves technical information transfer. Many practitioners downplay the quirks of reactive intermediates in favor of generic safety data sheets. We aim to share our manual — from thermal ramping techniques to specific filtration instructions — with end users so they make better, safer use of what they order. When customers understand how and why our Ethyl Bromopyruvate differs, safer handling and better chemistry become the norm.
Ethyl Bromopyruvate holds irreplaceable value as a reliable, versatile building block for modern synthesis. Consistency in performance, safety, and compliance all rest on direct manufacturing oversight and firsthand experience. What starts in our reactor finds its way to cutting-edge pharmaceutical labs, orchard-side agrochemical pilots, and bench-scale explorations in universities worldwide. Real-world outcomes for our customers begin with our team’s attention, rigor, and open communication. Direct manufacture does more than promise supply — it guarantees a level of reliability that intermediaries cannot, supporting the research, scale-up, and finished products of tomorrow.