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2,5-Dibromobenzothiazolium

    • Product Name 2,5-Dibromobenzothiazolium
    • Alias 2,5-Dibromo-1,3-benzothiazol-1-ium
    • Einecs 251-514-6
    • 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
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    Specifications

    HS Code

    279790

    Cas Number 38647-11-5
    Molecular Formula C7H3Br2NS
    Molecular Weight 308.98
    Iupac Name 2,5-dibromo-1,3-benzothiazol-1-ium
    Synonyms 2,5-Dibromobenzothiazolium
    Appearance Light yellow to brown solid
    Solubility Soluble in polar organic solvents
    Chemical Class Benzothiazolium salt

    As an accredited 2,5-Dibromobenzothiazolium factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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    Application of 2,5-Dibromobenzothiazolium

    Applications of 2,5-Dibromobenzothiazolium in Industrial Manufacturing

    As a direct producer of 2,5-Dibromobenzothiazolium, we have engaged in longstanding collaborations with manufacturers across key chemical sectors. Here, we present verified industrial application scenarios where this material integrates into production process chains, supporting downstream partners in meeting demanding compliance, formulation, and end-use criteria.

    1. Advanced Photoinitiator Synthesis for UV-Curable Coatings

    Manufacturers of UV-cured coatings and inks utilize 2,5-Dibromobenzothiazolium as an essential intermediate in the synthesis of custom benzothiazolium-based photoinitiators. Its incorporation enhances photo-reactivity under specific UV wavelengths, allowing processors to lower total photoinitiator levels while achieving fast polymerization. Producers optimize the loading to balance curing speed, color stability, and odor neutrality in the final application, primarily targeting electronics and high-precision plastics coating systems.

    Industry compliance standards

    • ISO 9001 Quality Management System for chemical processing
    • IEC 62899-202: Requirements for printing inks in electronics
    • RoHS Directive 2011/65/EU limits for residual substances
    • GMP guidelines for coatings in food contact (EU 2023/2006)

    Typical usage ratio

    • 0.3 to 1.2 wt% based on total photoinitiator content; formulators adjust within this window depending on targeted film thickness and UV lamp output

    Downstream process integration

    • Reaction: Introduced as a building block during photoinitiator synthesis; typically added after the initial core structure is formed, serving as a dibromo functionalizing agent
    • Dispersion: Incorporated into resin or monomer blends under controlled temperature with high-shear mixing prior to coating application

    Final product types

    • UV-curable coatings for printed circuit boards and microelectronic components
    • High-definition inkjet printing inks
    • Electronics encapsulation resins with tailored cure profiles

    2. Sulfur-Nitrogen Ligand Precursor for Catalysis Catalyst Manufacturing

    Catalyst manufacturers apply 2,5-Dibromobenzothiazolium as a customizable intermediate for the preparation of sulfur-nitrogen ligand frameworks. These ligands provide selectivity in transition-metal mediated hydrogenation and coupling reactions, particularly for pharmaceutical and agrochemical synthesis. Control over the bromination position enables researchers and production chemists to tune catalytic activity on an industrial scale using standardized, repeatable procedures.

    Industry compliance standards

    • ISO 17034 General requirements for reference material producers
    • ICH Q7 GMP for active pharmaceutical ingredient production (if used in pharma context)
    • 21 CFR Part 211 (US FDA cGMP for finished pharmaceuticals, if further processed for pharma intermediates)
    • REACH registration for chemical intermediates in the EU

    Typical usage ratio

    • 5–20 mol% relative to metal precursor in ligand formation; chemists optimize charge based on coordination results and downstream purification needs

    Downstream process integration

    • Ligand synthesis: Charged into metal-catalyzed assembly steps, often in polar aprotic solvents, during multi-stage catalyst manufacturing
    • Purification: Subjected to controlled recrystallization or chromatographic purification to reach uniform ligand structure before final catalyst formation

    Final product types

    • Homogeneous hydrogenation catalysts for fine chemicals
    • Palladium and platinum complex catalysts for pharmaceutical synthesis
    • Ligand-modified olefin polymerization catalysts for specialty polymers

    3. Intermediate for Fluorescent Dye Synthesis in Analytical Applications

    Producers of analytical reagents and research-grade fluorescent probes use 2,5-Dibromobenzothiazolium as a brominated core for building benzo-thiazole based dyes. The material supports generation of fluorophores with distinct emission wavelengths for multiplexed assays. Batch-to-batch consistency remains critical due to strict spectral and purity requirements, especially for life science and diagnostic users.

    Industry compliance standards

    • IUPAC guidelines for analytical chemical purity
    • EN ISO 13485 for quality management in medical device reagent manufacturing
    • GLP (Good Laboratory Practice) for research-use only diagnostics
    • USP standards for laboratory chemical reagents (if supplied in the US market)

    Typical usage ratio

    • 15–40 mol% relative to final dye precursor; loading determined by target emission spectrum and desired labeling intensity

    Downstream process integration

    • Dye synthesis: Introduced at the halogen substitution/coupling stage with amine or thiol reactants under controlled reflux
    • Purification: Processed through preparative HPLC or recrystallization to remove unreacted intermediate and by-products

    Final product types

    • Fluorometric probes for bioimaging and molecular diagnostics
    • Fluorescent markers for flow cytometry reagents
    • High-purity calibration dyes for analytical instrument manufacturers

    4. Crosslinking Modifier in High-Performance Elastomer Manufacturing

    Elastomer compounding facilities employ 2,5-Dibromobenzothiazolium as a specialty crosslinking promoter in custom rubber formulations. Its role extends beyond basic vulcanization, providing functionality for applications such as temperature-resistant seals and antistatic sheeting. Formulators value the controlled introduction of bromine groups to modulate elasticity and dielectric properties, according to end-user specifications in automotive and electronics industries.

    Industry compliance standards

    • ISO 23936-2: Non-metallic materials for use in oil & gas pipeline equipment
    • UL 94 flammability certification for rubber parts in electronics
    • SAE J200 standard for rubber material properties in automotive
    • RoHS and REACH compliance for hazardous substance control

    Typical usage ratio

    • 0.5–2.5 phr (parts per hundred rubber); actual rate determined by base polymer selectivity and required crosslink density

    Downstream process integration

    • Compounding: Added during high-shear mixing phase after polymer softening; co-dispersed with accelerators and fillers
    • Curing: Involved in the crosslinking reaction during vulcanization under controlled temperature and pressure

    Final product types

    • Engine compartment gaskets for automotive OEMs
    • Heat-resistant insulation pads for industrial electronics
    • Static dissipative conveyor belting for cleanroom environments

    5. Brominated Intermediate for Agrochemical Synthesis

    Agrochemical manufacturers utilize 2,5-Dibromobenzothiazolium within protected herbicide and fungicide active ingredient synthesis. Its structure allows precise introduction of bromine substituents that influence molecular effectiveness and persistence in field applications. Process operators monitor conversion rates and residual halide during scale-up, maintaining strict adherence to regulatory purity and impurity profiles.

    Industry compliance standards

    • FAO/WHO Specifications for plant protection products
    • OECD Good Manufacturing Practices for pesticide formulation
    • EPA 40 CFR Part 158 for regulatory data requirements in the US
    • REACH (EC) No 1907/2006 registration for intermediate substances

    Typical usage ratio

    • 10–35 mol% depending on the target molecule; synthetists calibrate charge based on conversion rate and downstream product isolation strategy

    Downstream process integration

    • Active ingredient precursor synthesis: Inserted at the bromination or coupling reaction stages for structural elaboration of agrochemical molecules
    • Intermediate isolation: Processed via solvent extraction and crystallization to reach regulated purity before formulation

    Final product types

    • Herbicide active substance synthesis intermediates
    • Fungicide intermediates for cereal crop protection products
    • Growth regulator actives for seed and soil treatment
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    Certification & Compliance
    More Introduction

    Exploring the Real Value of 2,5-Dibromobenzothiazolium in Modern Chemistry

    Many chemists step into the lab searching for solutions that bring reliability and new opportunities to each synthesis. Some compounds just seem to open doors you didn’t realize were stuck. For years, 2,5-Dibromobenzothiazolium has bridged a generational gap between textbook methodology and unexplored routes in organic chemistry. Here, it’s all about function and substance—so let’s dig into what actually matters for anyone with an eye on precision, versatility, and results.

    Not Just Another Reagent: What Sets 2,5-Dibromobenzothiazolium Apart

    2,5-Dibromobenzothiazolium isn’t buried in chemical catalogs for the sake of listing. It offers a concrete path for chemists tackling stubborn transformations in heterocycle synthesis and advanced materials design. The presence of two bromine atoms, exactly at the 2 and 5 positions, means it gives unique reactivity—something you don’t find by just adding single halogen substitutions onto benzothiazole. That small tweak in structure sets off a ripple: increased electrophilic character, stronger leaving group behavior, and more control over site-selective reactions. For researchers working through similar synthetic bottlenecks, there’s immediate value. It’s not just a tool; it almost behaves like an invitation to try the route nobody in your lab has charted.

    These days, many of us are measured by the speed we move from idea to execution. There’s satisfaction in a compound that does more than one job. I remember working with raw thiazole derivatives that caused endless headaches—reactions stalled, purification dragged out painfully. Months went by as we tested various alternatives, but few brought both predictable outcome and cleaner yields the way dibromobenzothiazolium did. It helped dissect reaction pathways, flag side products, and bring order to what looked like chaos in the flask.

    A Deeper Look at Model and Specifications Worth Caring About

    Much of today’s research space feels crowded by marketing terms, but with 2,5-Dibromobenzothiazolium, the structure tells the story. The chemical formula, C7H3Br2N2S, sits like a badge of honor on the label. It registers a molecular weight just over 324 grams per mole. As a salt, this compound typically arrives in the form of a crystalline powder, comfortably handled at room temperature. Noticeable by its pale yellow color and solid feel, it resists moisture and won’t degrade overnight when left on the bench—qualities appreciated during unpredictable working hours.

    You learn pretty quickly that handling and solubility affect lab rhythm. This compound dissolves well in polar aprotic solvents like DMSO or acetonitrile. Working late in grad school, the difference between something that dissolves smoothly and one that forms stubborn clumps isn’t just technical—it’s about mental stamina. Less frustration, more time actually thinking chemistry. That experience matters more than most data sheets admit.

    On the Frontlines of Chemical Synthesis

    For chemists designing pharmaceuticals or fine chemicals, 2,5-Dibromobenzothiazolium brings an edge in constructing complex ring systems. Its dual bromine sites act like clever bookmarks, flagging specific positions for coupling, nucleophilic attack, or other modifications. I’ve seen teams leverage this exact property in cross-coupling reactions—think Suzuki or Heck protocols—where selectivity and minimal byproduct make or break project schedules. The product gets you past the “trial and error” phase quicker. One well-chosen step can save weeks by making downstream purification easier, or even avoiding futile reaction routes altogether.

    This isn’t just my take. Peer-reviewed studies show growing use in constructing advanced heterocyclic scaffolds for agrochemicals, dyes, and functional materials with tailored electronic behavior. More research circles keep flagging dibromo-substituted thiazolium reagents for their promise in photonic devices. The demand for reliable molecular building blocks has only grown since organic electronics and solar cells started driving material innovation. Here, the robustness and consistent output of this molecule land it way ahead of many standards from years past.

    Differentiation: Why 2,5-Dibromobenzothiazolium Delivers What Others Don’t

    With so much competition from other halogenated benzothiazoles and thiazolium salts, it takes more than just a flashy label to stand out. Take monosubstituted benzothiazolium salts—good for textbook transformations but limited if your synthesis demands bolder changes in electronic distribution or reactivity. Even among dibromo analogues, the placement matters. The 2,5-pattern gives a balance between reactivity and selectivity you won’t get from random substitution. Some chemists try pushing 2,6- or 4,5- isomers into similar reactions, and the differences become clear. The 2,5-isomer’s backbone seems tuned to encourage both substitution and cross-coupling pathways with less fuss. Less fuss means fewer wasted reagents and time, and anyone who has run a dozen purification columns in one week can appreciate the difference.

    The real-world comparison plays out in reaction flasks: competing products often stall or demand harsh conditions, and their byproducts make downstream work messier. With 2,5-Dibromobenzothiazolium, milder conditions work more predictably, and the resulting yields stay healthy. Fewer side reactions add up to less solvent waste—a direct benefit for those trying to run greener labs. Even in scale-up, the stability under light and ambient moisture sidesteps problems with inconsistent batches or sudden decomposition. That’s a dealbreaker elsewhere; with this compound, crews can focus on the creative aspects of synthesis instead of troubleshooting technical hurdles all day.

    Real Use Cases: What Chemists and Industries Are Doing with It

    I’ve seen research groups put 2,5-Dibromobenzothiazolium to work in the search for new electronic materials. The core structure, easy to modify, lends itself to polymer and oligomer development. In one project, a team aimed to enhance charge transfer in organic field-effect transistors. Using controlled halogenation and subsequent functionalization, they achieved a sharp uptick in carrier mobility. Without the right dibromo platform, the synthesis would have stalled or delivered unpredictable impurities. More pharmaceutical researchers now harness these moieties for fast lead generation across sulfide or amide-linked scaffolds, bypassing slower, less reliable coupling agents of the past.

    Outside pharmaceuticals, manufacturers take to this molecule for crafting specialty dyes and imaging agents that demand consistent optical properties. The dual bromine configuration makes site-specific transformations less painful, leading to signals and lifetimes in imaging reagents that match design requirements much better. Often, alternative thiazole salts fail to bring that kind of assurance. Nobody wants to run a daylight-sensitive process every week or see yields crater when moisture sneaks into a reaction vessel. With this compound, you get a straightforward experience—reactivity that holds up and stability that lets the team focus on results instead of patching up failures.

    In my own experience, translating a university-developed protocol to large pilot-scale synthesis felt less daunting using 2,5-Dibromobenzothiazolium as the backbone. Uncomplicated workup and a reduction in troublesome byproducts paid off, especially with tight project deadlines and budget-conscious management watching every step. Knowing that the compound kept true whether you ran a gram or half a kilogram never gets old. That’s confidence you can’t easily price.

    Responsibility and Safety: A Practical View

    With every highly reactive reagent—especially ones with halogen functionalities—safety stands front and center. 2,5-Dibromobenzothiazolium holds up well when handled correctly, but it demands respect. Those familiar with brominated organics know the risk of skin, eye, and respiratory irritation. My rule always goes: treat every potent reagent with gloves, goggles, and adequate ventilation. In less nimble setups, fume hoods make all the difference. Fortunately, this compound’s crystalline form means less risk of dusting or unintentional vapor exposure. In short, good chemical practice keeps the benefits high and the risks low.

    Waste disposal needs real attention. Regulatory guidelines for halogenated organic waste ask for segregation and specialized treatment. More institutions now demand that users document every step from storage to final neutralization. I’ve seen attitudes shift as environmental pressures grow—not just from policymakers, but from inside every lab, where people want to leave behind something better. Choosing compounds whose byproducts can be tracked, captured, and treated effectively fits into that bigger picture of responsible chemistry.

    Cost and Sustainability: More Than Just Price Per Gram

    The push toward sustainable chemistry means a constant search for compounds that do their job with less energy, fewer hazardous reagents, and less solvent waste. 2,5-Dibromobenzothiazolium fits the trend by enabling gentler conditions and higher yields. I’ve watched teams recalculate their annual chemical spend, and often the real savings come not from buying the cheapest item, but from reducing wasted effort and cost further down the workflow. Cleaner reactions, lower energy input, and less solvent burned in repeat purifications all add up.

    Supply chain reliability also matters. Extended delays or inconsistent purity spoil entire semesters or push production lines off schedule. In recent years, sourcing quality organics sometimes feels like betting on shifting ground. With consistent suppliers, I’ve found deliveries of 2,5-Dibromobenzothiazolium stay stable in both cost and content. That kind of reliability keeps projects moving, which matters long after the reagent invoice clears.

    Opportunities for Discovery and Innovation

    The beauty of 2,5-Dibromobenzothiazolium goes beyond its molecular structure. It lies in the opportunity it gives to explore chemical territory that once seemed expensive, risky, or hard to reach. With the trend toward designing molecules with tailored properties for batteries, OLED displays, and real-world sensing, this reagent offers a solid stepping stone. It empowers teams to prototype, iterate, and scale up with confidence. It’s less about replacing every classic route and more about expanding the toolkit in ways that genuinely matter to the people doing the work every day.

    Plenty of new researchers feel overwhelmed by the shifting demands of modern research—publish quickly, think sustainably, deliver results to both grant committees and industry partners. Using a product with a proven, reliable track record gives everyone room to focus on creative hypotheses. As more students and early-career chemists come in, they deserve tools that support real learning and experimentation, not just rote repetition. I’ve watched open-ended projects blossom once the right building block made previously unthinkable routes suddenly viable. The energy in a lab after one breakthrough—whether large or small—echoes well beyond the walls of any single institution.

    What Could Change in the Future?

    As sustainable chemistry evolves, more people will ask for molecules that balance innovation and environmental stewardship. 2,5-Dibromobenzothiazolium already beats many alternatives by cutting waste and boosting efficiency. Researchers could extend its use by designing even less hazardous derivatives, pursuing greener synthetic methods for its production, or recycling byproducts in new value-added processes. There’s talk of replacing harsh solvents with water-based or solvent-free reactions, which could shift its application even further into the green chemistry spotlight. Real progress usually arrives through many incremental steps, not grand revisions. Staying open to new solutions while respecting proven routes keeps labs both productive and adaptable.

    From my own bench to full-scale industry runs, the best tools have always been those that deliver reliability, room for exploration, and a sustainable footprint. 2,5-Dibromobenzothiazolium doesn’t try to be everything to everyone—but for those working at the crossroads of precision, creativity, and environmental responsibility, it carves out a place that feels genuinely deserved.

    Final Thoughts: Keeping Chemistry Practical and Productive

    Every time a project stalls due to flaky reagents, or someone fights to maintain quality on deadline, the choice of building block echoes loudly. 2,5-Dibromobenzothiazolium earns its spot by blending stability, unique reactivity, and adaptability across a range of demanding environments. It has clear strengths compared to earlier or alternative benzothiazoliums, and the differences are more than academic—they impact real project timelines, budgets, and team morale. The lessons learned at the bench trickle into organizational practices and shape the next round of innovation.

    Taking a grounded view on what matters most, every bottle of this compound used thoughtfully supports advances in functional materials, pharmaceutical leads, and sustainable process chemistry. It’s the kind of product that turns chemical theory into measurable, impactful results. For those of us who balance inspiration and accountability in the lab, that’s a value that lasts.