|
HS Code |
235427 |
| Cas Number | 1118-47-4 |
| Molecular Formula | C4H2Br2S |
| Molecular Weight | 241.93 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Melting Point | - |
| Boiling Point | 101-103°C at 17 mmHg |
| Density | 2.17 g/cm3 |
| Refractive Index | 1.643-1.647 |
| Solubility In Water | Insoluble |
| Flash Point | >110°C |
| Purity | Typically ≥98% |
| Synonyms | 2,3-Dibromo-thiophene |
| Smiles | Brc1csc(Br)c1 |
| Inchi | InChI=1S/C4H2Br2S/c5-3-1-7-2-4(3)6 |
| Ec Number | 214-254-4 |
As an accredited 2,3-Dibromothiophene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 2,3-Dibromothiophene is supplied in a 25g amber glass bottle with a secure screw cap and tamper-evident seal. |
| Shipping | 2,3-Dibromothiophene is shipped in tightly sealed, chemical-resistant containers, typically under ambient conditions. The packaging complies with regulations for transporting hazardous chemicals, ensuring protection from moisture, physical damage, and contamination. Proper labeling is used to indicate the substance’s identity and hazards, in accordance with international shipping and safety guidelines. |
| Storage | 2,3-Dibromothiophene should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizers. Keep the container tightly closed and protected from light. Store in a chemical-resistant, clearly labeled container. Use appropriate secondary containment to prevent leaks or spills, and ensure access is restricted to trained personnel only. |
Applications of 2,3-Dibromothiophene in Industrial ManufacturingWe supply 2,3-Dibromothiophene directly to large-volume industrial clients seeking high-purity intermediates for electronic materials, agrochemical actives, and API synthesis. Below, our technical team outlines practical downstream application scenarios, based on proven market implementations, with full transparency on compliance, dosage adjustment, manufacturing workflow, and end-product scope. 1. Advanced Organic Semiconductor MaterialsLeading manufacturers utilize this intermediate for synthesizing conjugated polymers and small molecules essential in organic semiconductors. Its dibromo functionality serves as a regioselective handle in palladium-catalyzed cross-coupling polymerization, improving charge-carrier mobility for organic electronic devices. End users perform precise molar addition to optimize chain length and purity for consistent thin-film electronic properties. Industry compliance standards
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2. Agrochemical Active Ingredient PrecursorsCommercial agrochemical formulators require 2,3-Dibromothiophene as a key halogenated sulfur ring intermediate for the synthesis of performance herbicides and fungicides. This raw material participates in closed ring-forming reactions or Grignard manipulations, introducing brominated thiophene motifs critical for selective crop protection active structures. Dose adjustments ensure formulation meets both field activity and regulatory residue specifications. Industry compliance standards
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3. Pharmaceutical Intermediate for Antimicrobial APIsGMP-validated pharmaceutical manufacturers source this intermediate for synthesis pathways of specialty brominated heterocyclic scaffolds, used in next-generation antibacterial and antifungal APIs. The compound enables regioselective introduction of bromothiophene moieties through controlled substitution reactions, offering tightly regulated impurity profiles. Compliance with international pharmacopoeias and process analytical technology (PAT) ensures safe integration in regulated API production. Industry compliance standards
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4. Synthesis of Liquid Crystal Compounds for Display TechnologySpecialty display component manufacturers employ 2,3-Dibromothiophene as an intermediate for synthesizing liquid crystal molecules requiring the symmetrical inclusion of halogenated thiophene units. Its controlled reactivity supports improved birefringence and thermal stability in advanced liquid crystal mixtures for LCD and OLED panels. Purity and addition ratio affect phase transition temperature and color consistency in the final display units. Industry compliance standards
Typical usage ratio
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Walk through our plant during a day’s batch of 2,3-Dibromothiophene and you notice the intertwining smells, the thump and hum of our reactors—in this space, chemistry meets business. 2,3-Dibromothiophene (CAS No. 19230-58-7) originates from a process where each detail matters, from the temperature controls guarding clean halogenation to the precise feed rate of the starting thiophene. The resulting compound doesn’t just land in a bottle as another fine chemical. Instead, it plays a leading role across specialty synthesis, especially where the molecular design demands direct bromination at the 2 and 3 positions.
Factory knowledge shapes how customers approach this product. On our end, the model delivered most often falls within a 98% purity range, liquid at room temperature, with color typically ranging from colorless to a faint yellow hue. By keeping our process tightly managed, we keep the batch-to-batch consistency steady. In some sectors, even a point drop in purity leads to major headaches downstream; confidence in a reliable lot becomes critical for those scaling piloting work and gradating toward ton-by-ton runs.
Every drum is capped at the loading line, but the journey for many clients begins with a single kilogram order. At high purity, this compound functions as a keystone intermediate for producing more complex molecules—new materials, pharmaceuticals, and agricultural actives depend on this backbone. The reliability we carve into every flask means fewer reworks and lost hours in your own lab.
The core of 2,3-Dibromothiophene’s value lands in its distinct substitution pattern. As chemists, we understand why molecular orientation shapes downstream reactivity. You can source thiophenes with the 2,5- or 3,4-dibromo motif from many places. But for certain cross-coupling reactions—Suzuki, Stille, Sonogashira—without bromines on the 2- and 3-positions, not every coupling proceeds cleanly. That’s hands-on knowledge from over a decade serving both pilot and commercial users.
The arrangement of the bromine atoms doesn’t just change the chemical’s name—it influences its electron density and how it interacts in each downstream application. The 2,3-pattern we produce leads to greater selectivity and compatibility with certain catalysts. Unwanted side products drop, yield climbs, and purification becomes straightforward.
Working with a nuanced fine chemical day after day brings hard-earned lessons about why some products frustrate chemists, and others make their processes click. We get requests to compare this compound with 2,5-dibromothiophene and 3,4-dibromothiophene, so let’s break down what we’ve seen.
These details can get lost on a spreadsheet. Yet on a chemical production line, the difference shows up in yield, ease of handling, and reaction compatibility—and from the engineer’s standpoint, these features shape the true cost of making a kilo or a ton.
As a manufacturer, moving from small flask synthesis to full-scale reactors uncovers where a process shines and where it stumbles. 2,3-Dibromothiophene’s manufacturing involves juggling air-sensitive and moisture-reactive steps. We’ve invested in closed-systems and vacuum protection, not out of preference, but necessity. It’s not unusual to get inquiries from labs that found their benchtop method worked once, but crumpled on scale. Bromination control and byproduct removal forces long hours at the drawing board.
By tuning parameters such as agitation rate, insert gas choice, and the order of reactant addition, we consistently avoid overbromination and minimize halo-thiophene contaminants. Each batch runs through in-line monitoring for both GC and NMR before we consider it ready for release. These are not checkboxes—every failed step is time and solvent wasted, something no plant manager wants to explain at month’s end.
Over years, we’ve watched this compound find surprising corners of the market. The most familiar destination is as an intermediate for conjugated polymers. Researchers engineering new organic semiconductors and solar cell components focus on highly controlled monomer inputs—you start messy, you end messy. In specialty rubber and materials, the 2,3-dibromo motif offers distinct mechanical and chemical properties unmatched by other thiophenes.
Pharmaceutical groups lean heavily on 2,3-Dibromothiophene when designing small molecule inhibitors and traceable probes. Sometimes, a single bromine atom at the ‘wrong’ ring position changes everything—activity, toxicity, even regulatory clearance. Our manufacturing team fields last-minute rushes from these clients who battled through a synthetic route only to find commercial stocks of the desired substitution pattern came in short or out of spec. We keep emergency inventory at three key points along our pipeline to make sure delivery holds firm even during market swings.
Agriscience has opened another demand stream. Where herbicides or growth regulators need high activity coupled with precise degradation profiles, the clean halogenation our process offers means researchers can run controlled field studies without doubts about purity or byproducts. Year on year, the fraction of our product heading to these uses keeps climbing.
It’s easy to focus on purity percentages or batch volumes, but those numbers serve a larger story. New ideas in organic electronics, next-generation medicine, and high-performance coatings almost always travel through a mid-sized manufacturing plant. That’s why collaborative relationships matter more than any single metric. Each request for a custom batch—higher purity, smaller lot, alternate solvent—sparks long meetings between our technical teams and research-facing chemists.
A flat catalog listing can’t teach the strange quirks found at scale: the need for custom packaging or the headaches an extra five liters of solvent create for an R&D team working under regulatory scrutiny. We’ve learned to build in rapid-response support when process questions crop up, from compatibility with rare metals to guidance on storage and shelf life.
The basic chemistry of 2,3-Dibromothiophene reads straightforward enough, but the real world holds slow leaks, variable raw material lots, and sudden climate-driven disruptions. Keeping bromine handling safe calls for a deep safety culture. Exposure isn’t just environmental risk; one mistake and production halts, repairs pile up, and confidence cracks. Our approach: regular staff training, system redesigns when we notice even minor close calls, and close coordination with suppliers for every fresh shipment of bromine and thiophene.
Maintaining strong quality standards presses every department. For us, lot release depends on making sure not just purity but also trace halide content and isomer ratios meet or beat internal standards. Many clients work under patent restrictions; one stray isomer can create legal headaches or force entire campaigns to restart.
Another challenge comes from the logistics chain. The post-pandemic world shook the timing, reliability, and cost structure for fine chemical shipments. By investing in additional warehousing and flexible batch sizing, we’ve eased some of these pressures, but nimbleness is now an everyday demand. We keep regular updates going to clients about shipment status, documentation, and regulatory changes affecting cross-border supply.
Nobody working on the production line can ignore the impact of halogenated organics. Our neighbors watch our waste output just as closely as regulatory inspectors. Since bromine can be environmentally persistent, we capture and recycle as much as possible from both process streams and cleaning operations. Each ton produced pushes us to refine reactor design and distillation setups, always aiming to cut emissions and lower downstream incineration needs.
We’ve piloted solvent recovery systems and robust waste tracking. Regular audits and partnership with outside labs keep our data transparent and honest. If a process change could cut per-kilo energy costs or shrink hazardous waste, we see it as more than a line item—we all want to keep these plants running for decades more. Customers increasingly ask for carbon and water footprint benchmarks, and we work to provide what’s genuinely possible, not greenwashing. Slow, stepwise improvements have kept us ahead of new regulations and prepared us when old workflows stop fitting new compliance standards. Real impact comes from team buy-in—production, engineering, and leadership all at the table.
Over time, experience shows that quality doesn’t spring from one good instrument or a checklist. Our best operators treat every run—no matter the end user—with constant attention. Each reactor wash, each analytical test, every lidded drum builds reliability for a buyer hundreds or thousands of kilometers away. Every mistake teaches us something new, and every successful batch builds trust.
As global demand for 2,3-Dibromothiophene grows, we see new uses pop up every quarter. The trusted relationships we’ve built allow open exchange of what works and what doesn’t—if a batch doesn’t perform to spec, we hear about it. That direct line back to the factory floor keeps our standards moving up, not sliding down.
Chemistry never sits still. New routes for OLEDs, solar cells, and specialty coatings land at our doors regularly. The real advantage we provide isn’t just the drum or bottle leaving the dock; it’s the years of attention to process scale, technical troubleshooting, and market-driven adaptation. 2,3-Dibromothiophene stands out because its properties match real, practical needs—where alternate products stumble, a properly made 2,3-dibromo variant keeps research and manufacturing moving ahead.
Next-generation manufacturers care about origin and traceability. Our lot-level recordkeeping tracks every upstream material, offering assurance for certification, import, or patent compliance. Even as regulations tighten, our approach has kept us adaptable—some solutions require more than just changing a step or adding new analytics. Sometimes, it takes tweaking reactor design or bringing in new analytical tools to find hidden flaws before they cost our partners time or resources.
Fluctuations will always test chemicals manufacturing. Weather delays, changing energy costs, and global logistics headaches remain facts of life. We plan raw material purchases out further, coordinate among regional warehouses, and keep open lines of communication to every partner. For the end users of 2,3-Dibromothiophene, this resilience translates directly to their innovation pipeline. A missed shipment can derail weeks of scheduled synthesis; a rejected batch threatens larger projects.
Long-term success in chemicals is built on foresight, learning, and partnership. Our hope is that by grounding every batch of 2,3-Dibromothiophene in stable processes and open feedback, we become more than a supplier. We aim for a partnership marked by transparency, proven expertise, and support for the challenges our clients face—today and tomorrow. If a puzzle turns up—unexpected byproduct, question on a downstream reaction, change in regulatory status—our team stands ready for a real-world solution.