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9-(2-Naphthyl)-3-Bromocarbazole

    • Product Name 9-(2-Naphthyl)-3-Bromocarbazole
    • Alias 3-Bromo-9-(naphthalen-2-yl)-9H-carbazole
    • Einecs 629-009-2
    • 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

    241171

    Product Name 9-(2-Naphthyl)-3-Bromocarbazole
    Cas Number 120428-22-0
    Molecular Formula C22H14BrN
    Molecular Weight 372.26 g/mol
    Appearance Off-white to light tan powder
    Melting Point 232-234°C
    Purity ≥98%
    Solubility Slightly soluble in common organic solvents
    Storage Temperature 2-8°C, protected from light
    Smiles Brc1ccc2c(c1)N(c3ccc4ccccc4c3)c5ccc6ccccc6c5
    Synonyms 3-Bromo-9-(2-naphthyl)carbazole
    Usage Organic electronic materials intermediate

    As an accredited 9-(2-Naphthyl)-3-Bromocarbazole factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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    Application of 9-(2-Naphthyl)-3-Bromocarbazole

    Applications of 9-(2-Naphthyl)-3-Bromocarbazole in Industrial Manufacturing

    As a global chemical raw material manufacturer, we focus on the precise industrial applications of 9-(2-Naphthyl)-3-Bromocarbazole across high-technology sectors. Our production experience ensures access to verified, compliant, and process-ready material for each downstream field.

    1. Organic Light Emitting Diode (OLED) Emissive Layers

    Electronics companies harness this specialty carbazole derivative as a core intermediate for blue and deep blue emissive layers in OLED display and lighting fabrication. Its molecular structure offers favorable charge-transport properties and thermal stability, supporting extended device lifespans required by display manufacturers. Specific doping ratios and blending protocols align with the device architecture, commonly through solution processing or vacuum deposition methods on ITO substrates.

    Industry compliance standards

    • IEC 62341 Display Device Quality Standards
    • RoHS Directive 2011/65/EU and REACH Regulation (EC) No 1907/2006 for hazardous substances
    • UL 94 Flammability Testing for electronic components
    • ISO 9001 Quality Management for electronics supply chains

    Typical usage ratio

    • 1–5 wt% as host or dopant in emission layers, calibrated based on charge balance and emission wavelength requirements. Adjustment depends on the particular host system and final device structure.

    Downstream process integration

    • Material blends with other organic semiconductors during spin coating or vacuum thermal evaporation directly onto designated OLED layers.

    Final product types

    • Flexible AMOLED displays for smartphones and wearables
    • OLED television panels and professional monitors
    • Automotive OLED lighting modules
    • Solid-state OLED lighting tiles

    2. Photoconductive Layer Synthesis for Organic Photovoltaics (OPVs)

    Advanced photovoltaic manufacturers utilize the naphthyl-substituted bromocarbazole scaffold to engineer electron transport materials and donor-acceptor interlayers for OPV cells. Its structural properties promote high photoconductivity, ensuring efficient electron mobility in organic thin films for solar energy harvesting. Purity and batch consistency critically impact device reproducibility and yield.

    Industry compliance standards

    • IEC 61646 for thin-film terrestrial photovoltaic modules
    • IEC 61730 on PV module safety
    • ISO 14001 Environmental Management
    • Restriction of Pb, Cd according to RoHS and REACH

    Typical usage ratio

    • 0.5–3 wt% in active or interfacial layers, dependent on device stack type and blend partners such as PCBM or PTB7 series. Ratio modifies to maximize power conversion efficiency.

    Downstream process integration

    • Material solution blended and deposited via slot-die coating or inkjet printing onto active OPV substrate layers after metal electrode preparation.

    Final product types

    • Flexible solar modules for portable electronics
    • Building-integrated photovoltaic window films
    • Outdoor charging devices
    • Wearable energy harvesting textiles

    3. High-Performance Polymer Synthesis for Specialty Engineering Plastics

    Specialty resin producers apply the aryl-bromocarbazole unit as a monomer precursor in high-glass transition temperature (Tg) polymers. These polymers exhibit high thermal stability, flame resistance, and favorable dielectric properties, supporting end-uses in aerospace, automotive, and microelectronics. Purity, isomeric content, and metal residues remain tightly controlled through polymer-grade QC protocols for downstream polycondensation reactions.

    Industry compliance standards

    • UL 94 Flammability for plastics
    • ASTM D648 Heat Deflection Temperature Testing
    • ISO 1872-1 Plastics Classification
    • EN 45545-2 Railway Fire Protection for materials

    Typical usage ratio

    • 10–30 mol% in copolymer feed for aromatic polymer synthesis; ratio depends on target mechanical and electrical specifications of the finished resin.

    Downstream process integration

    • Acts as a functional monomer during Suzuki or Ullmann coupling, followed by step-growth polycondensation with dihalide or dibromo partners. Integrated into high-throughput resin production lines with in-line molecular weight monitoring and residual monomer removal.

    Final product types

    • High-performance engineering films
    • Insulating substrates for printed circuit boards (PCBs)
    • Automotive wire coatings
    • Aerospace-graded structural plastics

    4. Pharmaceutical Intermediate for Targeted API Synthesis

    Pharmaceutical manufacturers exploit the unique bromo and naphthyl substitution pattern in this carbazole derivative for targeted cross-coupling reactions, particularly when synthesizing kinase inhibitors and fluorescent molecular probes. Material traceability, impurity control, and comprehensive analytical documentation accompany each batch, meeting active pharmaceutical ingredient (API) specification standards in regulated drug production sites.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for APIs
    • 21 CFR Part 210/211 (FDA cGMP)
    • Ph. Eur., JP, and USP monograph referencing and purity benchmarks as required by local regulatory submission
    • ISO 17025 for analytical laboratory validation supporting GMP lots

    Typical usage ratio

    • Variable—introduced on scale from 0.1 to 0.5 molar equivalents within multi-step synthesis routes, adjusted by medicinal chemists depending on the complexity of the coupling step and the target molecule.

    Downstream process integration

    • Employed as a key intermediate for Suzuki-Miyaura or Buchwald-Hartwig cross-coupling in API route development, then fully consumed or converted before final purification and API isolation.

    Final product types

    • Active pharmaceutical ingredients (kinase and PARP inhibitors)
    • Advanced drug discovery building blocks
    • Specialty diagnostic imaging probes
    • Fluorescent tracer compounds for in vitro diagnostics

    5. Chemical Sensor and Photodetector Materials

    Sensor and detection technology manufacturers leverage the photoactive and electron-rich carbazole structure for developing surface coatings and thin films in sensitive chemical sensor elements. These applications demand tightly-controlled optical purity and reproducible electrical performance, with film-forming compatibility for sensor array fabrication lines.

    Industry compliance standards

    • IEC 60721 Environmental Testing for sensor modules
    • ISO 13485 for quality systems in medical device sensors
    • RoHS and REACH for environmental and safety compliance
    • CE Marking for photodetector finished goods (when required)

    Typical usage ratio

    • 0.2–2 wt% as functional additive in the polymer or organic thin film, with precise adjustment following sensitivity trials and detection wavelength calibration.

    Downstream process integration

    • Applied through spin-coating, inkjet printing, or vapor deposition onto sensor substrates, before electrode patterning and device encapsulation.

    Final product types

    • Gas and vapor chemical sensors for industrial safety systems
    • Optical photodetector arrays for analytical instruments
    • Bioanalytical sensor chips
    • Smart home and IoT connected sensing modules
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    More Introduction

    9-(2-Naphthyl)-3-Bromocarbazole: Unpacking Its Role in Modern Material Science

    If you’ve spent any time in a research lab focused on materials chemistry or advanced electronics, you’ve probably seen the surprising range of chemicals on offer. Some are simple and widely used, others appear once in a while and quietly get the job done with little fanfare. 9-(2-Naphthyl)-3-Bromocarbazole stands out for anyone working at the crossroads of organic electronics and innovative material design. Speaking as someone who keeps an eye on how the latest molecules actually behave when theory meets application, there’s real substance to this compound’s popularity.

    Model Overview: What Drives the Choice?

    The interest in 9-(2-Naphthyl)-3-Bromocarbazole doesn’t just come from its chemical pedigree. This compound brings together a carbazole core, a 2-naphthyl group, and a bromine atom at the third position. That structure matters. In real life, details like this dictate what a molecule can do. Labs and startups picking up this model don’t just see a static chemical―they see a building block for tweaking and perfecting advanced materials, especially in organic light-emitting diodes (OLEDs), field-effect transistors, and even some photovoltaic setups. The model delivers a well-defined molecular architecture that allows for reliable functionalization. More than just a supply item, it offers chemistry teams a tool for specific and purposeful reactions.

    Specification Highlights and Practical Qualities

    Anyone with hands-on experience knows that slight differences in purity, melting point, or solubility separate one batch of carbazole derivative from another. Suppliers offering 9-(2-Naphthyl)-3-Bromocarbazole can give assurances of research-grade quality, sometimes upwards of 98% purity or higher, based on analytical data they provide. You get a white to off-white crystalline powder—easy enough to spot with a trained eye, and manageable in the glovebox or on the bench.

    The solid state properties influence how well it dissolves in common organic solvents. The naphthyl moiety brings enhanced π-conjugation, a word chemists use to describe extended electron systems that nudge optical and electronic traits in desirable directions. On the bench and in the flask, the product stays chemically robust under ordinary storage, so long as it’s kept away from moisture and high heat. Teams working on synthesis benefit from these dependable characteristics, because the time spent troubleshooting uncooperative chemicals drains both money and morale.

    Why Choose 9-(2-Naphthyl)-3-Bromocarbazole?

    Not all functional carbazole derivatives deliver the same results. After years tracking developments in this field, it’s clear that the naphthyl-bromo-substituted framework offers unique leverage. The naphthyl group distinguishes it from more basic carbazole frameworks, which mainly rely on phenyl or unsubstituted side chains. This modification improves the electron-rich nature of the molecule, supporting charge-transport properties. For anyone building organic devices, this translates into tangible benefits in efficiency, longer operation times, and greater stability.

    Handling in Research

    Many researchers choose this compound because it forms the backbone of more complex architectures, thanks to that bromine at the third position. It enables a variety of cross-coupling reactions—think Suzuki, Stille, and Buchwald-Hartwig routes. This means custom synthesis projects run more smoothly when you need to anchor tailored substituents for specific device or material properties. To a working chemist, the difference between a compound that walks through scale-up and one that stalls halfway through is the difference between getting published or languishing in review. This one typically behaves for those coupling steps, assuming standard lab precautions and clean technique.

    industry Impact and Real-World Application

    Some compounds come and go in vogue, but the evolution in electronics and displays has given oxazole-based and carbazole-based molecules a permanent place on the shelf. 9-(2-Naphthyl)-3-Bromocarbazole stands out, not only in academic research but in advanced industry settings. OLED researchers continue to look for new light-emitting cores and hole-transport layers that outperform the old guard; this derivative consistently tests as a top performer in that area.

    From personal experience in collaborative projects bridging academic and industrial partners, use of this compound allows compact, high-efficiency devices with promising color stability and operational lifetimes. For engineers, numbers like improved charge mobility or higher quantum efficiencies aren’t just abstract metrics; they drive production choices, supply chain decisions, and future R&D investment. This is how small tweaks in molecular structure get transformed into sharper smartphone screens, more efficient solar harvesters, or durable flexible electronics.

    Comparing Alternatives: What Sets This Product Apart?

    The world of carbazole derivatives runs deep. Some individuals in this field lean toward 9-phenylcarbazole or 3,6-dibromocarbazole, depending on what functional group is most advantageous for their process. So, why 9-(2-Naphthyl)-3-Bromocarbazole? Direct experience shows it often plugs the gap where a naphthyl boost and selective bromination produce measurable advantages. The naphthyl group enhances π-extension, giving a wider absorption in visible and near-UV range—a plus in optoelectronic uses.

    There’s also a matter of reactivity. The bromine at position 3 is well-placed for palladium-catalyzed couplings, which remains one of the most robust tactics for building up complex organic scaffolds. Carbazole cousin compounds lacking this specific arrangement may lag in certain cross-coupling reactions, losing time or product yield. Over time, that means increased lab costs or missed opportunities for innovation.

    Importance in Academic Research and Innovation

    Innovation in organic electronics lives or dies on the reliability and flexibility of the molecules at its center. A lot of early work in the 2000s featured carbazole skeletons with little variation, but as researchers chased brighter, longer-lasting devices, they started reaching for alternatives. I remember reviewing studies comparing plain 9-phenylcarbazole with naphthyl-substituted versions; the difference in light-emitting efficiency or charge transport wasn’t academic—it had an impact on real device lifetimes and performance.

    Academics appreciate that the coupling-ready bromine leaves the structure open for further modification. This enables one-pot syntheses, lowers the activation energy for certain steps, and keeps the cost-to-output ratio manageable. For graduate students or early-career researchers, accessible building blocks like this keep experimental work on schedule and budgets from ballooning.

    Environmental and Health Considerations

    In a world increasingly driven by green chemistry principles, the impact of specialty chemicals goes beyond their synthesis or application. While aromatic compounds always raise standard considerations regarding toxicity, brominated aromatics like this one generally get handled in small, contained quantities, with established protocols for safe waste management. The point here isn’t to ignore the risks, but rather acknowledge there’s a robust, well-documented pathway for responsible use.

    Across the industry, suppliers offer clear guidance on protective equipment, disposal routes, and safe storage. Those in the field know that awareness and planning remove most practical dangers. Given the pace of innovation, more labs now lean into risk assessment at every stage, from procurement to byproduct handling. This not only meets regulatory needs but aligns with growing societal expectations for ethical, safe scientific work.

    Supporting Reliability and Credibility

    Reliable data drives every good project, no matter the scale. 9-(2-Naphthyl)-3-Bromocarbazole has become a known quantity among organic electronics specialists not because it’s the shiniest new compound, but because it delivers consistent, testable results. Researchers who share findings in conferences and publications build on years of spectral, crystallographic, and device-level data. Getting reproducible properties—such as melting point, spectral absorption, or product yields—speaks directly to its credibility as a research building block.

    Drawing from my experience reviewing collaborative efforts, it’s often the details behind these reproducible results that spark follow-up studies or translational applications. The product’s steady performance makes it a reasonable benchmark for comparison studies, teacher training modules, and even commercial kit development. Small-scale anecdotal accounts add up, giving suppliers and buyers alike confidence that expectations will be met each time.

    Growth in Commercial-Scale Applications

    Short product life cycles in the electronics sector force everyone to adapt quickly—for scientists and engineers, that means access to proven, scalable intermediates is more important than ever. A few years ago, commercial OLED or OPV manufacturers might have hesitated to lean on less common carbazole frameworks, worrying about availability or price stability. Now, thanks to improved synthesis routes and rising demand, securing sufficient quantities of 9-(2-Naphthyl)-3-Bromocarbazole rarely poses a logistical headache.

    From my work with contract manufacturers, having a stable, reproducible source of such intermediates allows new products to leap from pilot lines to scaled production runs with fewer hiccups. This not only saves development costs, but gives the finished devices a competitive edge in markets where incremental performance gains matter. Examples include displays with higher brightness at lower energy inputs, or devices with improved flexibility and damage tolerance due to the underlying molecular structure.

    Potential Limitations and Addressing Them

    No compound is a catch-all solution. Even with its strengths, users should stay aware of cost-to-performance trade-offs. Specialized reagents like this one tend to command higher prices compared to their simpler cousins. Labs with tight budgets often face tough decisions on which derivatives to source for exploratory work versus final product development. To navigate this, some organizations collaborate with chemical suppliers or academic partners to co-develop lower-cost production methods or optimize synthetic routes, helping balance the books without sacrificing ambitious project goals.

    Solubility Management

    Another challenge involves solubility in high-molecular-weight systems. The naphthyl group increases hydrophobicity, making the compound less friendly in some mixed solvent systems. In real-world applications, particularly in inkjet-printed electronics or thin films, it pays to experiment with co-solvents, anti-solvents, or polymer matrices that promote even dispersion. Communal knowledge gained from trial and error is crucial for advancing best practices, further enhanced by open sharing among academic and industrial researchers. These ongoing tweaks play a key role in the success of any niche chemical across different platforms.

    Continuous Improvement and Looking Forward

    Science rarely stands still, especially in electronics and material innovation. Each successful use of 9-(2-Naphthyl)-3-Bromocarbazole breeds the next question: can performance get even better? In recent years, custom derivatives with additional heterocycles or functionalized side chains have joined the pipeline. Many arise from researchers seeking to push the limits of color rendering, minimize energy losses, or extend device lifetimes even further. The original carbazole framework provides a sturdy launchpad for this continued experimentation.

    Role in Collaborative Projects

    Much of this progress comes from collaborative networks. Whether in industry consortia or academic-industry partnerships, diverse expertise blends practical chemical knowledge with application-driven engineering. The dependable properties of 9-(2-Naphthyl)-3-Bromocarbazole enable seamless integration between stages—synthesis, device fabrication, and end-product testing. Consistent material provides a common reference point letting teams focus energy on creative design instead of troubleshooting baseline chemistry.

    Ethical Sourcing and Future Sustainability

    Sustainability conversations in specialty chemicals go beyond simple resource availability. As the industry faces mounting environmental and economic pressures, preferences shift toward intermediates produced by greener methods, with fewer hazardous byproducts and a clearer supply chain history. While brominated aromatics inherently require thoughtful waste handling, current best practices include recycling process solvents, capturing emissions, and developing milder reaction conditions wherever possible. Labs that prioritize open disclosure about their sourcing not only answer community concerns—they set positive precedents for peers and downstream users alike.

    Anecdotally, more procurement teams now ask about cradle-to-gate impacts, carbon footprints, or the traceability of specialty reagents. The suppliers making this information visible build stronger, more trusting relationships with their clients. That transparency supports both the advancement of new technology and the confidence of those who rely on these materials daily.

    Final Reflection: Value Beyond the Bench

    Every veteran researcher remembers the compounds that shaped their early breakthroughs. 9-(2-Naphthyl)-3-Bromocarbazole’s value stretches far past the synthetic flask or the analytic instrument. Its practical reliability, proven role in high-performance electronics, and suitability for customization make it an asset across sectors. Countless hands-on examples—from successful device rollouts to published bench-scale studies—show how well-designed specialty chemicals underpin broader scientific and industrial progress.

    Real change in science comes from hard-won experience, honest reporting, and a culture of improvement. Effective, reproducible building blocks like this one fuel that cycle, one experiment and one product at a time. In the push toward better, more sustainable technology, the importance of compounds such as 9-(2-Naphthyl)-3-Bromocarbazole isn’t hype—it’s hard fact, grounded in years of study and practical deployment.