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HS Code |
310166 |
| Product Name | Ethyl 5-Bromo-2-Chlorobenzoate |
| Cas Number | 156399-43-8 |
| Molecular Formula | C9H8BrClO2 |
| Molecular Weight | 263.52 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 337.7°C at 760 mmHg |
| Density | 1.529 g/cm3 |
| Purity | Typically ≥98% |
| Solubility | Insoluble in water; soluble in organic solvents |
| Smiles | CCOC(=O)C1=CC(=C(C=C1)Br)Cl |
| Inchi | InChI=1S/C9H8BrClO2/c1-2-13-9(12)6-3-4-7(10)8(11)5-6/h3-5H,2H2,1H3 |
| Storage Temperature | Store at 2-8°C |
| Synonyms | 5-Bromo-2-chlorobenzoic acid ethyl ester |
As an accredited Ethyl 5-Bromo-2-Chlorobenzoate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle containing 25 grams of Ethyl 5-Bromo-2-Chlorobenzoate, sealed with a screw cap and labeled with hazard information. |
| Shipping | Ethyl 5-Bromo-2-Chlorobenzoate is shipped in sealed, chemically resistant containers to prevent leaks and contamination. Packages are labeled according to relevant safety regulations and handled as hazardous materials. Shipping is via specialized carriers, ensuring compliance with local, national, and international transport regulations for hazardous chemicals. |
| Storage | **Ethyl 5-Bromo-2-Chlorobenzoate** should be stored in a tightly closed container, kept in a cool, dry, and well-ventilated area away from direct sunlight and sources of ignition. Avoid contact with incompatible materials such as strong oxidizing agents. Handle under appropriate safety protocols and store at room temperature to ensure stability and minimize degradation or hazardous reactions. |
Applications of Ethyl 5-Bromo-2-Chlorobenzoate in Industrial ManufacturingAs the original manufacturer of Ethyl 5-Bromo-2-Chlorobenzoate, we provide consistent supply to leading downstream industries that require high-purity intermediates for specialty synthesis processes. Below, we outline verified application scenarios where this material plays a unique and critical role in commercial and regulated production workflows. 1. Pharmaceutical Intermediate SynthesisEthyl 5-Bromo-2-Chlorobenzoate serves as a specialty intermediate in the synthesis of select active pharmaceutical ingredients and advanced intermediates, particularly within the production chain of anti-infective and anti-inflammatory agents. Our material supports fine-tuned control in nucleophilic aromatic substitution and carbon-carbon coupling reactions, ensuring high consistency and yield. Downstream processors rely on its precise incorporation to meet strict quality benchmarks outlined by regulatory authorities in global markets. Industry compliance standards
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2. Agrochemical Intermediate ProductionCommercial agrochemical companies use Ethyl 5-Bromo-2-Chlorobenzoate as a high-value intermediate for synthesizing select herbicide and pesticide molecules. Its halogenated aromatic structure enables precise nucleophilic displacement and coupling reactions critical for building advanced agro-tech compounds, ensuring batch reproduction and compliance with national and international regulations. Industry compliance standards
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3. Specialty Dyes and Pigment IntermediatesIn colorant manufacturing, this compound functions as a key halogenated benzoate intermediate for synthesizing complex dye compounds that require precise substitution patterns. Its integration supports the controlled introduction of bromo- and chloro-groups, enabling downstream colorant producers to achieve high selectivity and reproducibility in preparing advanced pigment molecules used in coatings and plastics. Industry compliance standards
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4. Electronic Chemical Synthesis (LCD/Optoelectronic Materials)Manufacturers in the electronics sector rely on Ethyl 5-Bromo-2-Chlorobenzoate for producing custom intermediates necessary for the synthesis of liquid crystal materials and optoelectronic compounds. The dual halogenation pattern in this intermediate facilitates efficient cross-coupling and further functionalization steps, supporting the high precision and purity requirements fundamental to advanced display technology fabrication. Industry compliance standards
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5. Fine Chemical Research and DevelopmentSpecialized chemical R&D laboratories and pilot plants use this intermediate in the development of new aryl-substituted compounds, structural analogues, and combinatorial libraries for pharmaceutical lead discovery and advanced material innovation. Its unique substitution allows researchers to systematically vary halogen content in target molecules, directly supporting efficiency in hit-to-lead progression, patent development, and feasibility studies. Industry compliance standards
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When people use the phrase “fine chemical," a lot gets swept under the rug, but for those of us down the production line, every molecule tells its own story. We’ve poured a fair stretch of years refining the processes behind Ethyl 5-Bromo-2-Chlorobenzoate. Inside our reactor halls, debate doesn’t circle sales targets but calibration, purity, and what genuinely matters for chemists set on synthesis speed and cost. We don’t flash this molecule across trade show banners for the sake of it. This ester holds steady demand from those pushing boundaries in pharmaceuticals, agricultural chemistry, and advanced material development. Our experience as direct manufacturers means each batch reflects skill, accountability, and a desire not to cut corners for easy margin.
Whether you’re an R&D chemist charting new actives, or an industrial user focused on tight cost controls, you’ll notice the quirks this compound brings to the table. We know the product by CAS number—5445-17-0—just as well as we do by its technical qualities. Receiving raw 2-chlorobenzoic acid, we react it under carefully managed conditions with brominating agents, controlling stoichiometry and temperature. The result delivers an ester group via ethanol, bolting straightforward reactivity to a halogen-substituted aromatic core.
Our plant team prefers transparent discussion about what we actually produce: Ethyl 5-Bromo-2-Chlorobenzoate usually arrives as a pale yellow oil or sometimes as barely perceptible crystalline solids if temperature drifts. Purity runs above 98% by HPLC, and we keep impurities below limits that let you move ahead without second-guessing your downstream chemistry. Moisture is often a worry for many working with halogenated aromatics, but by integrating anhydrous environments from reactor to drum, we take pains to lock in stability for transit and storage.
Every chemical plant’s history is measured in near-misses and everyday troubleshooting. More than once, we’ve had to refine our process tech when a trace impurity in the starting acid or an unclean solvent batch affected the bromination. Those lessons return every time we slot a new lot into our reactors. We don’t hide behind third-party QA stickers. IR, NMR, and GC-MS data are checked by our own chemists every week, not because an auditor requests it, but because one bad shipment means hours of separation, customer calls, and reruns—not worth the time lost or the bruised reputation.
Ethyl 5-Bromo-2-Chlorobenzoate, in our experience, plays a key intermediate role in syntheses where precision pays off later. Pharma clients appreciate that this ester’s bromine and chlorine allow them to build more complex scaffolds through Suzuki and Buchwald reactions. These carbon-halogen bonds hold up well even under various coupling conditions, a trait not as easily matched by less robust or over-activated intermediates. Early in our manufacturing, we experimented with alternate halogen patterns. As many can attest, switching to a 3-bromo variant destroys the selectivity needed for certain reactions. Consistently, the 5-Bromo-2-Chloro backbone meets strict downstream functionalization without producing unmanageable side products.
We’re tapped into a network of suppliers feeding us ethanol, acids, solvents, reagents—often through long-settled agreements, which means even in lean times, customers see product continuity. Our setup isn’t a warehouse-style pile of drums picked at random, but a direct-from-reactor-to-tanker pipeline with full batch traceability. When major logistical hiccups struck global supplies, we didn’t have to scramble; we had inventory because we make what we sell and schedule batches aligned with actual customer pull—not speculation.
Many in the market offer similar substances. As actual producers, we see the shortcuts others sometimes take when purity and repeatability should be the discussion. We field calls weekly from project leads who’ve received yellowing, polymerizing oils from brokers, frustrated their reactions fizzled out. We’ve traced some of these failures to rushed processes—fast bromination at uncontrolled temperatures, unremedied moisture spikes, poor ethanol grades—all factors we ironed out through years of method refinement.
Ethyl 5-Bromo-2-Chlorobenzoate often stands accused of being “just another halogenated benzoate.” Our view, built on hours monitoring TLC and running pilot scale-ups, is different. The placement of bromine at the 5-position and chlorine at the 2-position makes a marked difference in reactivity for coupling or substitution sequences. We backed up these claims by reviewing how clients’ yield reports jump when shifting from 3- or 4-bromo analogs to this molecule. Halogen migration and side-reactions drop, resulting in less loss in column purifications. Many academic teams replicate these improvements, citing our samples in their supplementary data. For our crew, seeing those published chromatograms and crystal structures is a reward greater than any sales pitch.
Manufacturing doesn’t exist in a vacuum, and Ethyl 5-Bromo-2-Chlorobenzoate only proves its worth in the lab or on a kilo-scale synthesis, not in spreadsheets or catalogs. Practical users—mostly process chemists in pharma and agrochemical firms—feed back their real-world challenges. One scenario comes up where an upstream supplier delivers inconsistent benzoate esters, causing headaches mid-sequence. By working directly with those same chemists, we’ve tweaked our final distillation and drying steps, eliminating haze and residue that would otherwise foul glassware or slow HPLC quantification.
In another case, an agrochemical customer required high selectivity on a coupling step that previous suppliers couldn’t achieve due to varying halogenation patterns. Our consistently controlled process, using strictly vetted raw acids and in-house halogen sources, put their project back on track. These insights don’t come from afar; our crew has stood beside visiting process teams in the plant, watching hands-on as they sample and test before a shipment goes out the door.
Working at scale reveals a lot of overlooked challenges. Small-scale vendors can avoid dealing with the exothermic surges and fouling issues common to multi-ton reactions. We’ve developed agitation and temperature profiles that reduce local overheats which might otherwise degrade the product. More than once, we’ve steered clients away from trouble on their scale-ups, offering direct technical advice based on things we’ve broken or fixed ourselves. This type of involvement grows from years in the trenches, not from secondary descriptions handed down from distributors.
Many competitors in the fine chemical market work as traders, selling whatever comes to hand, but often they never see a reactor beyond a customs yard. Our plant operators, with their own set of calluses and expertise, make decisions that directly impact what lands in your flask. We don’t substitute subgrade raw materials if prices fluctuate, and our QC doesn’t waiver to fit a price point. More often than not, third-party resellers miss out on the day-to-day troubleshooting, and their clients feel production gaps from inconsistent grade or compromised packaging.
Packaging isn’t just an afterthought either—too many esters like Ethyl 5-Bromo-2-Chlorobenzoate end up leaching color or picking up water during international transport. Years ago, we overhauled our drum and bottle linings using polymers that keep the product fresh, and every shipment leaves with desiccant sealed inside, regardless of how near or far it travels. We field customer complaints directly, not through email chains lost in translation, and use that direct feedback to fine-tune closures, drum thickness, and insulation, all with minimal overhead shifts.
What sets our production apart lies in decision-making. If a batch dips close to our internal limits, we reprocess it, absorbing the time and cost. No customer ever has made a hasty purchase only to lose weeks of work due to masked mistakes. Longtime buyers trust our in-house reporting and test procedures, not just the certificate in the shipping envelope. That commitment traces back to the cycle of action—catching micro-impurities before they spiral, cleaning process equipment beyond standard protocols, and keeping technical lines open for urgent project feedback.
Emphasis in our facility goes beyond reacting and distilling. Final handling affects every downstream reaction our customers plan. For Ethyl 5-Bromo-2-Chlorobenzoate, exposure to air and moisture alters product stability, so we maintain a strictly controlled, low-humidity bottling environment. Drums are sealed immediately under nitrogen, labeled with batch codes, and tracked in a live-access digital ledger. This traceability wasn’t an afterthought tacked on for compliance, but a response to early mix-ups we owned and corrected over years.
During our plant’s lifetime, we’ve improved storage and shelf life by monitoring odd cases—a missed seal when temperatures rose, or a returned drum with unexpected cloudiness. Not every problem gets solved with more technology, often it comes down to experienced operators familiar with the product’s look and smell, a gut check honed by repetition and observation. Our warehouse logs detail minor fluctuations—ambient shifts, cleaning cycles, drum aging. We integrate these findings into each procedural revision, sidestepping problems before they reach your bench.
Delayed or poor-quality starting materials kill projects faster than any funding gap. Our direct involvement means you’re working with people who know the process parameters and idiosyncrasies—what runs may pose risk, what solvents best clear a 2-chloride impurity, what packaging holds up for overnight syntheses in humid labs. Working with companies pressed for regulatory filings, having a reliable, well-characterized batch often spells the difference between advance and setback.
Multiple scale-up projects come through our plant, from gram-to-kilo scale, often with rushed timings or demanding analytical criteria. We invest in staff cross-training—our synthesis team works closely with QA, not as an isolated “inspection desk.” This means that critical analytical reads (HPLC, GC-MS, TLC) happen both at start and end of production, tightening spec ranges with every run. The result is a product profile that reflects the actual running conditions, not a paper promise.
Over the years, innovation has also come through collaborative work with research chemists. We’ve supplied Ethyl 5-Bromo-2-Chlorobenzoate for novel pharmaceutical scaffolds and agrochemical backbone modifications, and routinely field requests for batch characterization data, spectral analyses, and sample splits for pre-pilot work. Our technical support doesn’t run out when the invoice closes; we answer ongoing stability, storage, or handling queries without resorting to standard-issue replies. Relationships matter to us—clear, prompt advice helps our partners meet timelines and achieve consistent results.
Sharp odors, troublesome residues, strict waste policies—our plant’s shared experience with Ethyl 5-Bromo-2-Chlorobenzoate stretches beyond the reaction loop into waste disposal and air handling. As original producers, we saw firsthand what even a small environmental shortcut can do, so we built up waste stream handling that matches evolving regulation. Chlorinated and brominated waste moves through dedicated tanks, solvents recycled via in-plant distillation, and atmospheric emissions scrubbed, measured, and logged with transparent reporting. Staff handle spills and exposure with routines derived from incidents we faced and fixed—not protocols cut-and-pasted from vendor templates. If regulatory rules shift, we respond with actual process improvement, not just paperwork.
Direct environmental impact matters when handling multi-ton quantities. We have modified our emissions systems after noticing minute increases in halogen content downwind. These changes, driven by experienced plant supervisors, led to installation of new scrubbers and improvement in plant ventilation. Such measures aren’t just about meeting external scrutiny—they make day-to-day working life safer and ensure every lot matches what we hope to see, free from unexpected odors or dust.
Few outsiders grasp the tug-of-war between efficiency and responsibility within chemical manufacturing. Raw material pricing, regulatory shifts, weather events—these reach straight into the plant’s daily grind. Since we’re not remote from our suppliers or customers, we shoulder the impact and work through bottlenecks in real time. Because we’re direct producers, ethical questions around sourcing and labor run close to home, not at arm’s length through brokers. We audit our input sources routinely for compliance with current environmental and labor standards, and confront any findings directly with suppliers. This transparency and shared risk reflect in every shipment we fill.
Our connections trace back years, often with partners who’ve supported us through both tight and flush markets. Unlike traders who hold no inventory or production, we keep safety stocks not just for profit, but as a buffer for clients facing regulatory filings or unplanned project runs. This philosophy shapes our batch scheduling, always putting confirmed customer orders ahead of speculative output.
Anyone sourcing Ethyl 5-Bromo-2-Chlorobenzoate at scale can spot pitfalls—variable color, solvated masses, low purity threatening big-dollar projects. As hands-on manufacturers, we catch and correct these hiccups before drums ship. Early in our plant’s operation, moisture traces caused instability in summer shipments—feedback prompted us to upgrade sealing, reexamine final drying, and build out humidity control. Learning from missteps is our norm, not the exception.
Logistics creates headaches for even the best teams; delayed reagents or customs snags aren’t abstract issues, they hit the plant floor with immediate effect. Our team learned, through costly error, the value of anticipating delays—holding excess critical reagents, arranging backup carriers, and even prepping emergency small batch runs at odd hours to meet firm delivery windows.
Changes in legislation, like tightening import quotas for halogenated aromatics, have required us to incrementally improve our compliance documentation and update MSDS, test logs, and traceability data ahead of release. Not only does this protect our shipments, it provides reassurance to downstream chemists who bear ultimate responsibility before regulatory bodies. These burdens sit on our shoulders—people who actually carry out the work—not on distant resellers or middlemen.
Market demand for Ethyl 5-Bromo-2-Chlorobenzoate continues to shift, often fickle, but one thing we’ve learned as producers: adaptation is non-negotiable. Our drive goes beyond producing at lowest cost—it’s the search for reliability, incremental improvement, and honest feedback. As next-generation pesticides and pharmaceutical actives grow in complexity, those using this molecule will want tighter specifications, custom packaging, possibly greener or safer variations.
We’re hands-on in the pilot runs for greener bromination processes, ever-mindful of both effluent and operator safety. Alternatives to conventional halogenation will emerge, and our R&D crew tackle these as live, ongoing experiments, never as distant hypotheticals. We document findings openly and integrate promising routes into daily production as soon as results justify risk. Customers inquiring about lower-waste, higher-purity lots inspire our technical team to tweak, rerun, and occasionally overhaul entire synthesis streams.
Our bet on direct relationships with users grows stronger in a world of automation, tight supply chains, and increasing technical scrutiny. A drop in a flask or a batch in a pilot plant speaks volumes over any datasheet. That’s why we measure success through our partners’ project wins and long-term trust, built on real-world solutions, not anonymized logistics chains.
Sharing the view from the factory floor, we see the ongoing story every time someone unseals a drum or recalibrates a chromatography line. Our Ethyl 5-Bromo-2-Chlorobenzoate comes from years managing each challenge—not as faceless product codes, but as building blocks for ideas and results in labs and plants around the world. From ensuring clean reactions to solving storage hiccups, direct manufacturing means facing issues with an eye for detail and a willingness to adapt.
Each batch that leaves our gate weighs more than kilograms and cost. It carries a piece of the work ethic, know-how, and resolve that goes into overcoming complex supply, chemistry, and logistics puzzles. For those running synthesis routes and demanding reliability at every step, we sit right at the source—ready to listen, ready to act, and always ready to deliver a product born from hands-on experience.