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3-Bromo-5-Chlorotoluene

    • Product Name 3-Bromo-5-Chlorotoluene
    • Alias 3-Bromo-5-chloro-1-methylbenzene
    • Einecs 643-110-7
    • 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
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    Specifications

    HS Code

    538623

    Product Name 3-Bromo-5-Chlorotoluene
    Cas Number 18368-57-7
    Molecular Formula C7H6BrCl
    Molecular Weight 205.48
    Appearance Colorless to pale yellow liquid
    Boiling Point 225-227°C
    Melting Point -3°C
    Density 1.56 g/cm³
    Refractive Index 1.572
    Purity ≥98.0%
    Flash Point 90°C
    Synonyms 3-Bromo-5-chloro-1-methylbenzene
    Smiles CC1=CC(=CC(=C1)Br)Cl
    Inchi InChI=1S/C7H6BrCl/c1-5-2-6(8)4-7(9)3-5/h2-4H,1H3
    Storage Temperature Store at room temperature

    As an accredited 3-Bromo-5-Chlorotoluene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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    Application of 3-Bromo-5-Chlorotoluene

    Applications of 3-Bromo-5-Chlorotoluene in Industrial Manufacturing

    As a direct manufacturer of 3-Bromo-5-Chlorotoluene, we have supported its large-scale integration into critical downstream sectors requiring consistent reactivity and high selectivity for advanced intermediate synthesis. This material delivers specific halogenation patterns, enabling downstream processors to meet strict regulatory and performance criteria for specialty and fine chemical value chains.

    1. Pharmaceutical Intermediate Synthesis

    Multi-national API manufacturers incorporate this halotoluene derivative for targeted functional group introduction in the synthesis of non-steroidal anti-inflammatory drugs and antihypertensive compounds. It enables direct substitution reactions, forming core structures used in stepwise GMP route design, particularly for regulated markets requiring traceability and route-to-route consistency.

    Industry compliance standards

    • EU GMP Part II (ICH Q7 for API production)
    • FDA 21 CFR Part 211 (cGMP for Finished Pharmaceuticals)
    • Chinese Pharmacopoeia (ChP) guidelines for intermediates
    • ISO 9001:2015 QMS for pharmaceutical intermediates

    Typical usage ratio

    • 0.15% to 2.8% by weight; exact level set by target API synthetic pathway and desired conversion efficiency in halogenation or Suzuki cross-coupling steps

    Downstream process integration

    • Enters early-stage aromatic substitution step; handled in closed reactors for direct bromination or as a coupling substrate, then purified through crystallization and multi-solvent washes

    Final product types

    • Non-steroidal anti-inflammatory APIs (e.g., emerging drug candidates in phase II/III clinical pipeline)
    • Antihypertensive agents (as core building blocks for active components)
    • Specialty intermediates used in non-cytotoxic drug syntheses

    2. Agrochemical Building Block

    Manufacturers of active agrochemical ingredients use this compound in multi-step synthesis of selective herbicides and novel insecticidal formulations. The ortho-halogenated structure facilitates custom introduction of additional functionalities required for target-specific activity while helping maintain process stability under large-batch conditions.

    Industry compliance standards

    • FAO/WHO Specification for Technical Grade Active Ingredients
    • REACH Registration for agrochemical substances (EU)
    • US EPA 40 CFR Part 180 (Pesticide Tolerances)
    • ISO 9001:2015 for agrochemical ingredient quality verification

    Typical usage ratio

    • 1.8%–6.5% in core reaction charge; concentration changes based on desired yield and degree of downstream halogen substitution

    Downstream process integration

    • Introduced as aryl halide in controlled chlorination, then subjected to catalytic coupling and hydrolysis, followed by solid/liquid separation to isolate intermediates

    Final product types

    • Selective post-emergence herbicide actives
    • Pyrethroid backbone intermediates
    • Insect control agents for rice and grain crops

    3. Electronic Chemical Synthesis

    Producers of specialty chemicals for the electronics sector leverage this compound to synthesize advanced aromatic intermediates required in photoresist formulations and dielectric layers. The unique halogen profile supports synthesis pathways that demand consistency in electrical insulation characteristics and optical clarity, critical for integrated circuit manufacturing.

    Industry compliance standards

    • IEC 62474 (Material Declaration for Electrical and Electronic Products)
    • RoHS Directive 2011/65/EU conformity
    • SEMATECH Clean Chemical Specifications
    • ISO 9001:2015 for electronic chemical QC

    Typical usage ratio

    • 0.3%–1.5% in precursor batches, determined by target DPPH value and formulation yield for negative/positive resist production

    Downstream process integration

    • Added at the initial coupling or halide exchange stage during functional group modification; proceeds to fine filtration and vacuum distillation to reach electronics-grade purity

    Final product types

    • Photoresist sensitizers for semiconductor lithography
    • Dielectric precursor materials for microelectronic packaging
    • Specialty solvents for printed circuit board production

    4. Dye and Pigment Intermediate Production

    Specialty pigment and dye manufacturers utilize this compound for the condensation and coupling steps leading to azo and anthraquinone-based chromophores. Its defined halogen substitution allows precise modulation of chromogenic properties and stability for high-performance colorants used in synthetic fibers, plastics, and printing ink sectors.

    Industry compliance standards

    • OEKO-TEX Standard 100 (textile chemical safety)
    • EN 71-3 (Safety of Toys — Migration of Certain Elements for colorants)
    • ISO 18451-1 for pigment identification
    • REACH Annex XVII (Restriction of Hazardous Substances in Dyes)

    Typical usage ratio

    • 0.6%–3.2% by reaction mass; set by target pigment batch size and substitution rate needed for color intensity and fastness requirements

    Downstream process integration

    • Charged after primary condensation, followed by base-catalyzed halogen exchange; subsequent isolation through chromatography and calcination ensures purity and shade stability

    Final product types

    • Synthetic dyes for polyester and nylon fabrics
    • High-stability pigments for automotive plastics
    • Inkjet and offset printing colorants

    5. Fine Chemical Research & Development

    Contract research organizations and custom synthesis labs order this building block for the development of new functionalized aromatics and heterocyclic frameworks. Its tailored reactivity profile supports exploratory work in patent-protected molecular design, used for pilot-scale projects that later scale to industrial output under validated standards.

    Industry compliance standards

    • GLP (OECD Principles of Good Laboratory Practice)
    • ISO 17025 (Testing and Calibration Laboratories)
    • Chemical Substance Control Law (Japan) for R&D compound registration
    • In-house validated SOPs for chemical traceability

    Typical usage ratio

    • Varies from 0.05% to 2.0%, based on route scouting and structure-activity relationship studies; adjustments depend on yield and necessary substitution degree

    Downstream process integration

    • Used in initial halogenation or cross-coupling reactions for small-batch library synthesis, advancing to multi-stage purification and analytical QC prior to upscaling

    Final product types

    • Patentable fine chemical intermediates
    • Research-grade reference compounds
    • Prototype molecules for new material evaluation
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    More Introduction

    3-Bromo-5-Chlorotoluene: A Fresh Perspective on a Modern Chemical Building Block

    A Closer Look at 3-Bromo-5-Chlorotoluene

    Chemists and manufacturing engineers find themselves reaching for 3-Bromo-5-Chlorotoluene time and again, especially when the project needs something more nuanced than standard halogenated benzenes. The molecule, carrying both bromine and chlorine substituents, doesn’t just complicate the structure — it opens up a different avenue for downstream synthesis. In a lab, it becomes clear pretty quickly why this compound pulls ahead of others in certain settings. It’s got just the right balance of reactivity thanks to its two halogens and methyl group, making it useful for both fine and bulk chemical applications.

    The Chemical Backbone: Model and Specifications That Matter

    The structure of 3-Bromo-5-Chlorotoluene stands out: a benzene ring with a methyl group dropped into the first position, a bromine on the third, and chlorine riding at the fifth. This specific arrangement affects not just its physical properties—like melting point and solubility—but also its reaction behavior in practical organic synthesis. It comes as a white to pale yellow solid, usually with a purity that hovers well above 98%, based on batch reports from established suppliers. From an engineer’s perspective, you want a product with a consistent melting point, low moisture, and a tight range for impurities, so each experimental or production run doesn’t leave you guessing. That’s exactly the reputation high-quality 3-Bromo-5-Chlorotoluene has built in labs and factories around the world.

    Hands-On Experience: Where 3-Bromo-5-Chlorotoluene Shines

    Most people in research or process chemistry aren’t looking for just another halotoluene. The unique combo of bromine at the 3-position and chlorine at the 5-position means the compound reacts predictably in cross-coupling reactions, such as Suzuki or Stille protocols. This lets chemists build complex frameworks efficiently, with fewer byproducts and less purification hassle. Setting out to make a new pharmaceutical intermediate or specialized material, the options open up because of the different reactivities offered by bromine and chlorine. That’s not true for every similar-sounding product.

    From personal experience, running a sequence that uses this compound saves several steps because you can selectively manipulate either halogen, with less messing around with protection/deprotection cycles. The methyl group adds a further tweak, steering incoming functional groups away from certain positions, allowing a level of predictable regioselectivity that feels almost rare when you look at other substituted toluenes.

    Comparing Apples to Oranges: Why Not Just Use 3-Bromotoluene or 5-Chlorotoluene?

    It’s tempting to cut corners by substituting in 3-Bromotoluene or 5-Chlorotoluene, especially if there’s a budget crunch. The trouble is, you lose out on the versatile reactivity provided when both bromine and chlorine are on the same aromatic ring. In my own bench work, I’ve tried both routes, and time spent troubleshooting poor yields or impure product usually ends up eclipsing the cost savings. Multi-functionalized aromatics like this one smooth out steps in your synthetic route, giving you options for further modification. For process chemists, that means shorter development time and fewer headaches during scale-up.

    In a research setting, people often run headlong into problems when trying to introduce a second halogen after the fact. Side reactions, lower selectivity, and more difficult purification challenge everyone, even seasoned chemists. With 3-Bromo-5-Chlorotoluene, those issues shrink because its built-in architecture covers more synthetic bases up front. The difference shows up not only in yield, but in time saved—you can feel it in the rhythm of the work week.

    Practical Uses Across Industries

    Manufacturing industries constantly look for new ways to improve efficiency and quality. In pharmaceuticals, this compound acts as a precursor for active drug molecules or scaffolds used in drug discovery. Recent research highlights how this molecule fits seamlessly into larger, more intricate molecular frameworks, which play a role in disease-fighting compounds. The story’s similar in agrochemicals, where 3-Bromo-5-Chlorotoluene forms a stepping stone to complex herbicides and fungicides.

    While working on a pilot plant project, I saw firsthand how a well-chosen intermediate can strip hours — sometimes days — off the timeline. Quick reactions, cleaner separations, and fewer steps translate not only to direct cost savings but also help cut down on waste, which matters to both the bottom line and the environment. That kind of impact doesn’t show up on a certificate of analysis, but it’s real in day-to-day operations.

    Dye and pigment production, as well as advanced material synthesis, also lean on versatile aromatic chemicals. High purity really makes a difference when designing specialty coatings or conductive polymers, where even trace impurities change electrical or physical properties. 3-Bromo-5-Chlorotoluene serves as a flexible starting point, bridging the needs of research and industrial production.

    Quality Matters: From Lab Bench to Bulk Supply

    Reliable access to consistent quality means more than ticking a spec sheet. Suppliers who understand the quirks of aromatic halides keep strict controls on purity, particle size, and handling. This kind of attention helps everyone downstream—no surprises, no lost batches, smoother troubleshooting. In my view, partnerships between producers and chemists work best when both sides dig into the details, rather than just checking off minimum requirements.

    I’ve worked with lots of specialty chemicals over the years, and a bad batch can ruin weeks of effort. Labs and factories that insist on batch-to-batch consistency see fewer surprises and waste less time. Even small differences in residual solvents or trace metals can snowball into real-world problems, like regulatory setbacks or costly delays. That’s why choosing a product with proven traceability makes a difference beyond the lab.

    Health, Safety, and Environmental Responsibility

    Working with halogenated aromatics demands respect for safe handling. 3-Bromo-5-Chlorotoluene doesn’t break the pattern; it needs the same thoughtful approach—good ventilation, personal protective gear, and well-labeled storage. Labs and plants that build a culture of safety can avoid headaches, injuries, and regulatory fines.

    Environmental impact also factors in. Disposing of halogen-containing waste isn’t as simple as pouring it down the drain. The smartest companies look for ways to minimize waste by optimizing reaction efficiency, recycling solvents, or recovering precious metals from used catalysts. I’ve seen process engineers literally shave six-figure sums off a plant’s annual spend just by tightening up waste streams. These steps show that 3-Bromo-5-Chlorotoluene can fit into a more responsible framework, where profit and stewardship grow together.

    The Difference Shows Up in Real Work

    Lots of chemicals claim to make things easier for chemists and engineers. My experience tells me that the real test lies in bench results and plant output. With 3-Bromo-5-Chlorotoluene, routine reactions run a bit more smoothly. Yields reach expectations without chasing after mystery byproducts. In a classroom, these kinds of stories often get skipped over—the molecule ends up as a name on a sheet rather than something that makes day-to-day science a little less of a slog.

    People want reliability and flexibility, not just a one-size-fits-all answer. You get both with this compound, since it slots neatly into different roles depending on what needs doing. That’s valuable whether you’re evolving a process on the production floor or fine-tuning a new reaction for publication.

    Building the Future: Innovation Starts Here

    Every field finding itself at the crossroads of chemistry—be it pharmaceuticals, agriculture, or new materials—can benefit from creative building blocks. 3-Bromo-5-Chlorotoluene earns attention not only for its chemical structure but for the impact it leaves in research and production. As more specialties demand advanced intermediates, compounds with double halogen substitution on a toluene core show their worth. The shift to greener and more efficient reactions only highlights the benefits built into this type of molecule from the start.

    Across multiple projects, I’ve watched how more precise intermediates, like this one, trim down the number of steps and purifications. Those kinds of savings echo beyond immediate projects; they lay groundwork for bigger innovations, allowing teams to take on harder challenges without getting bogged down by basic logistics. Efficiency gives people space to think, experiment, and move forward.

    Fact-Based Decision Making

    Before any facility brings a new intermediate into the fold, decision-makers pore over technical data and published studies. For 3-Bromo-5-Chlorotoluene, reports point to its stability under standard conditions, manageable safety profile in comparison to some polyhalogenated alternatives, and proven compatibility with widely used catalysts. Published literature backs up claims of clean reactions and strong yields. These things matter, because results on paper can mean millions saved or lost in the real world.

    Looking at market trends, interest in functionalized toluenes with both bromine and chlorine continues to rise. Synthetic chemists favor flexible scaffolds with known behaviors, satisfied regulatory profiles, and open-ended possibilities for modification. Current market analysis shows a growing need for intermediates able to handle complex, multi-step syntheses. 3-Bromo-5-Chlorotoluene ticks these boxes, landing it squarely in the center of modern research and manufacturing.

    Solutions for Common Production and Research Problems

    Any project that uses aromatic halides faces a handful of predictable challenges: inconsistent supply, cost pressures, and regulatory scrutiny. Sourcing reliable batches helps teams sidestep delays from unexpected impurities or variable reactivity. By choosing an intermediate that partners well with established synthetic routes, teams stay on schedule and reduce last-minute troubleshooting.

    Cost optimization often leans on using the right intermediate at the right stage. On several scale-up projects, I’ve found that using a multi-substituted toluene maximizes flexibility. Swapping in mono-halogenated alternatives forces extra reaction steps or lower selectivity, driving up both direct and indirect costs. Streamlining the route by starting with 3-Bromo-5-Chlorotoluene limits surprises in yield and purity—good news for budget-conscious teams.

    Regulatory compliance shouldn’t become an afterthought. Authorities look at both process safety and environmental stewardship. An intermediate that’s already well-documented, with consistent impurity profiles and manageable waste, keeps documentation and audit trails cleaner. That’s not always the case with lesser-known or poorly sourced alternatives.

    Collaborative Relationships in the Chemical Supply Chain

    Building lasting relationships between suppliers, end-users, and regulators helps everyone move forward. Open dialogue about material properties, process compatibility, and shared improvement targets keeps standards high. In my own work, the best results always came from transparent partnerships, generous information sharing, and real commitment to continuous improvement.

    Suppliers of 3-Bromo-5-Chlorotoluene who share detailed analysis, historical batch data, and suggestions for process tweaks show real investment in user success. Return customers keep going back for the same reason—they know what to expect, batch after batch, and they get hands-on support for troubleshooting. In research, these relationships spark creative problem-solving and accelerate progress toward new products or improved processes.

    Embracing Technology and Digital Tools

    Modern labs and factories turn to digital tools—inventory tracking, process simulation, and quality auditing—to make decision-making sharper. Integrating material data for compounds like 3-Bromo-5-Chlorotoluene into these platforms boosts compliance, traceability, and efficiency. I’ve seen firsthand how predictive analytics, based on historical and live data, can steer teams away from trouble before it starts. Better oversight translates into faster turnaround from idea to finished product.

    The chemical industry increasingly pairs hands-on expertise with data-driven approaches, and intermediates that come with thorough documentation fit perfectly into this new landscape. Companies aiming for end-to-end visibility, reduced waste, and faster product launches need building blocks that support, not hinder, these goals.

    Opportunities for Process Optimization and Sustainable Growth

    It pays to revisit established protocols periodically to see where improvements can happen. In my experience, swapping out a less functionalized aromatic for 3-Bromo-5-Chlorotoluene can update old routes, allowing for cleaner steps, improved yields, and reduced waste. Engineers often make these changes as part of broader sustainability programs, aiming to keep plants competitive as regulations and market expectations shift.

    Cleaner reactions that need fewer raw materials don’t just help the balance sheet; they improve safety, lighten regulatory burdens, and cut down on environmental impact. More flexible intermediates mean more options for late-stage diversification, enabling teams to adapt products for changing markets or client needs at lower cost and risk.

    Looking Ahead: The Role of Smart Intermediate Choice

    Getting out in front of change depends on picking building blocks that can handle future demands, as well as today’s. For teams facing rising complexity in synthesis and tighter controls on supply chains, using versatile substances like 3-Bromo-5-Chlorotoluene opens up more efficient and sustainable ways of working. The story keeps repeating itself: clear technical advantages, proven real-world results, and direct economic benefits draw more attention every year.

    My hope, shared by many in the industry, is that deeper knowledge about the chemistry and value of smart intermediates pushes both operators and inventors to keep raising the bar. Sharing techniques, case studies, and honest talk about challenges moves the whole field forward.

    Conclusion: Simple Choices, Strong Foundations

    In the world of chemistry, every step counts and every product used matters—sometimes even more than expected. 3-Bromo-5-Chlorotoluene proves that choosing the right intermediate doesn’t have to be complicated, but it can set off a whole chain of improvements. As research, manufacturing, and regulation become more demanding, products with a track record of reliability and versatility stand out not on paper, but in the day-to-day business of making things work better.

    For those seeking a smoother, safer, and more productive workflow, taking a closer look at compounds like this one just makes sense. Every smart change starts with a solid foundation, and in the world of aromatic chemistry, 3-Bromo-5-Chlorotoluene lays down one of the best you can find.