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1-Bromo-2-Naphthaldehyde

    • Product Name 1-Bromo-2-Naphthaldehyde
    • Alias 2-Formyl-1-bromonaphthalene
    • Einecs 206-953-7
    • 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
    VTB
    Specifications

    HS Code

    531938

    Chemical Name 1-Bromo-2-naphthaldehyde
    Cas Number 7025-96-1
    Molecular Formula C11H7BrO
    Molecular Weight 235.08 g/mol
    Appearance Pale yellow to yellow solid
    Melting Point 66-69°C
    Density 1.63 g/cm3
    Purity Typically ≥98%
    Solubility Soluble in common organic solvents (e.g., dichloromethane)
    Flash Point 128°C
    Smiles C1=CC2=C(C=CC(=C2)Br)C=CC1=O

    As an accredited 1-Bromo-2-Naphthaldehyde factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle (25g) with screw cap, white printed label detailing chemical name, CAS number, hazard warnings, and handling instructions.
    Shipping 1-Bromo-2-Naphthaldehyde is shipped in securely sealed, chemical-resistant containers to prevent leaks or contamination. Packages are labeled according to hazardous materials regulations. During transit, it is kept away from incompatible substances, moisture, and excessive temperatures. All handling and shipping comply with local, national, and international safety guidelines for hazardous chemicals.
    Storage 1-Bromo-2-naphthaldehyde should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Keep the container tightly closed, protected from light and moisture. Store in a chemically resistant container, preferably glass or HDPE. Properly label the container and avoid excessive heat to prevent decomposition.
    Application of 1-Bromo-2-Naphthaldehyde

    Applications of 1-Bromo-2-Naphthaldehyde in Industrial Manufacturing

    1-Bromo-2-naphthaldehyde serves as a crucial intermediate for multiple specialty chemical processes, supporting high-value synthesis pathways across fine chemical, colorant, pharmaceutical, and advanced materials sectors. As a direct manufacturer, we ensure each application can rely on strict quality attributes, regulatory compliance, and process reproducibility for downstream efficacy.

    1. Pharmaceutical Intermediates for Active Pharmaceutical Ingredient (API) Synthesis

    API manufacturers use 1-Bromo-2-naphthaldehyde for building polyaromatic scaffolds in late-stage chemical synthesis. It provides a reactive handle for Suzuki and Stille couplings, which enable efficient assembly of advanced naphthalene-based drug candidates, especially within antifungals and anticancer agents. Manufacturers regulate halide introduction and aldehyde group tolerance to manage byproduct formation and maintain impurity profiles as required by pharmacopoeias. Stringent process validation and traceability ensure data integrity throughout each batch campaign.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US FDA 21 CFR 210/211
    • EU EudraLex Volume 4 GMP
    • Relevant United States Pharmacopeia (USP), European Pharmacopoeia (EP)

    Typical usage ratio

    • 0.8–1.2 molar equivalents per target naphthyl substructure; adjusted per step yield and catalyst loading in coupling reaction

    Downstream process integration

    • Used in the halogenation/coupling step after initial scaffold assembly, followed by reduction, protection/deprotection, and purification stages

    Final product types

    • Target APIs such as naphthyl carbamate derivatives
    • Oncology and antifungal API intermediates
    • Chiral building blocks for generics

    2. High-Performance Dye and Pigment Precursors

    1-Bromo-2-naphthaldehyde is utilized by pigment and colorant manufacturers for synthesizing extended conjugated systems in organic dyes, especially for specialized azo and anthraquinone derivatives. The material allows precise positioning of functional groups, supporting regioselective coupling and controlled electron transfer properties relevant to technical textile, plastics, and ink formulations. Downstream coloring quality is highly affected by purity and color yield from this intermediate.

    Industry compliance standards

    • OEKO-TEX Standard 100 for textiles
    • EN 71-3:2019 Safety of Toys (migration of certain elements, for products destined for toy applications)
    • REACH Annex XVII and SVHC disclosure (Europe)
    • ISO 9001:2015 Quality Management System

    Typical usage ratio

    • 0.5–1.5 molar ratio in dye condensation or coupling stage; ratio set based on desired color depth and pigment purity

    Downstream process integration

    • Enters after primary dye skeleton construction; participates in diazotization and condensation with amines or phenols, followed by downstream crystallization or spray drying

    Final product types

    • Textile vat dyes
    • High-stability plastic pigments
    • Inkjet printing dyes

    3. Liquid Crystal and Specialty Electronic Material Synthesis

    Producers of advanced display materials use this raw material for constructing rigid, planar aromatic cores vital for high-performance liquid crystals and organic semiconductors. The unique positioning of bromine and aldehyde allows stepwise introduction of various side chains and conjugated spacers, influencing mesophase stability and thermal properties. Each production batch undergoes liquid chromatography and spectral analysis to guarantee phase purity for downstream electronic applications.

    Industry compliance standards

    • RoHS Directive 2011/65/EU and its amendments
    • REACH Registration (for specialty use in electronic applications)
    • ISO/TS 16949:2009 (quality for automotive electronics)
    • IEC 61249-2-21: Hazardous substances assessment in substrate materials

    Typical usage ratio

    • 0.9–1.0 equivalents per aromatic core required; modified according to yield of Suzuki or condensation step

    Downstream process integration

    • Added at the core-building stage prior to final mesogen functionalization; followed by hydrogenation, alkylation, and purification to achieve required liquid crystal mixture properties

    Final product types

    • Twisted nematic (TN) and vertical alignment (VA) liquid crystal materials
    • OLED host materials
    • Intermediate layers for display backplane circuitry

    4. Synthesis of Fine Chemical Ligands and Catalysts

    Catalyst and ligand manufacturers employ 1-Bromo-2-naphthaldehyde to create specialty ligands for transition metal coordination, often used in asymmetric catalysis or advanced material synthesis. The ortho-bromo-aldehyde function is critical for multi-step ligand assembly, influencing reactivity and selectivity during downstream transformations. Product grades are controlled for trace metal residues and have defined isomeric purity profiles to satisfy strict customer specifications.

    Industry compliance standards

    • ISO 17025 Testing and Calibration Laboratories Accreditation (for analytical quality validation)
    • NIOSH Analytical Methods (for workplace safety in handling bromo-aromatics)
    • REACH dossier requirements (chemical safety report, exposure scenario)

    Typical usage ratio

    • 1.0–1.1 equivalents used per ligand precursor molecule; tuned according to yield in the Grignard or Suzuki cross-coupling stage

    Downstream process integration

    • Introduced after base aromatic framework assembly; participates in metalation, coupling, and functional group transformation steps to build the final ligand structure

    Final product types

    • Chelating ligands for homogeneous catalysis
    • Chiral auxiliaries for asymmetric synthesis
    • Precursors for immobilized polymer-supported catalysts
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    Certification & Compliance
    More Introduction

    1-Bromo-2-Naphthaldehyde: Bringing Reliability to Advanced Synthesis

    Consistency and Experience at the Core

    Among the specialty chemicals we produce, 1-Bromo-2-Naphthaldehyde stands as a testament to our focus on both quality and practical needs in industrial and research chemistry settings. Over years of operating with direct control over our reactors, purification processes, and QC checks, we’ve seen how the subtle features of a molecule like this influence outcomes on lab bench and production floor. Our teams have witnessed the frustration that can develop from impurities, unwanted byproducts, or unpredictable reactivity, particularly in delicate steps like cross-coupling or selective functionalization. Clarity in process, transparent handling, and a commitment to straightforward, honest chemistry drive the work. This isn’t about chasing trends or stacking up obscure intermediates — it’s about supplying material that scientists and engineers genuinely want to work with.

    Purity That Makes a Difference

    Whether under the glare of fluorescent lights in a research institute or on automated lines in a kilo-lab, purity changes everything. Our batches of 1-Bromo-2-Naphthaldehyde consistently fall within a narrow spectral window, verified with every lot. The faint off-white to yellow crystalline appearance signals the minimal presence of colored impurities, and chemists recognize the telltale scent of high-quality naphthalene derivatives. Yields in transformations using this compound track closely to theoretical expectations because sidereactions from poorly-controlled side-chain chemistry have been minimized with our house-grown protocols. Troubleshooting steps shrink, and repeat purchases come not out of compulsion but out of earned trust in material that arrives as expected, feed after feed.

    Understanding the Molecule’s Role

    This compound serves as more than a reagent. It provides both a functional handle for further synthetic exploration and structural rigidity due to its fused aromatic system. With a bromine atom at the 1-position and the critical aldehyde group tucked onto the 2-position, it finds a central spot in sequences ranging from Suzuki and Heck couplings to condensation and oxidation reactions. The halogen group encourages smooth incorporation of new substituents while leaving the aromatic backbone intact, supporting modular assembly of more complex molecules. In pharmaceutical development, it finds value in the building of heterocyclic scaffolds and advanced intermediates, while in materials chemistry, its clean reactivity profile opens up new design space for fluorescent or electronic applications.

    Specification You Can Rely On

    Altering a single atom on a naphthalene ring can have outsized impact on reaction control and downstream outcomes. Over the years, groups across fine chemicals and pharma have reminded us that variance in melting range, moisture content, residual traces of starting bromo-naphthalene or naphthaldehyde, and trace metals all lead to unpredictability. Our integrated system flags any deviation from established benchmarks at every significant checkpoint. Fresh, tightly-sealed jars bear labeled batch codes that directly correspond to analytical runs, not just paper records. This transparency underscores the value we place on supplying a material that behaves the same way from month to month.

    Realities of Day-to-Day Use

    In routine practice, 1-Bromo-2-Naphthaldehyde’s pale color helps avoid guessing at the presence of colored contaminants. Each crystal batch grinds easily and dissolves well in the most common organic solvents. Dust-like fines are minimal, reducing secondary losses or inhalation exposure in weighing and transfer steps. We’ve watched chemists on our own floor appreciate the absence of clumping, improved weighing accuracy, and neat filtration characteristics. Simple matters like container design and clear labeling reduce the risk of error and wasted motion; nothing fancy, just daily usability in the environment where tasks get done.

    Differences From Close Relatives

    Plenty of neighboring compounds make their way into customer requests and published procedures: 2-Bromo-1-Naphthaldehyde, 2-Naphthaldehyde itself, monophenyl or dichloro analogues. Still, the unique placement of the bromine and aldehyde in our material gives it specific edge for directed ortho-metalation and halogen-metal exchange strategies. Trying to substitute positional isomers often produces drops in yield or purification headaches because reactivity and solubility characteristics shift. Researchers wanting well-defined electronic effects anchored to the naphthalene core know that starting with the correct regioisomer saves time and solvent. Companies pursuing patented scaffolds for bioactive molecules often seek our input on analytical discrimination between these compounds; that experience gives both sides confidence, moving fast from receipt to productive synthetic steps.

    Applications Driving Demand

    Major usage segments break down into medicinal chemistry, agrochemical intermediates, fine material synthesis, and specialty ligands for transition metal complexes. Multistep sequences in inventing new kinase inhibitors, optical brighteners, and OLED precursor libraries lean into this compound’s ability to combine selective functionalization with reliable leaving group behavior. We’ve supported both process chemists scaling up by the kilo and academic groups exploring gram-sized exploratory mergers. Our direct manufacturing experience means process improvements—solvent swaps, temperature tweaks, or workup acceleration—get communicated back upstream rapidly, letting us adjust and fine-tune steps for future runs.

    Productivity Anchored in Real-World Feedback

    Technical support does not rest on FAQ sheets printed twice a year. Customer feedback—positive, negative, or nuanced—loops right back to our QC chemists and reaction designers in real time. One client running reductive amination found unexpected coloration traced to a rare byproduct; internal review tracked it to a reagent storage condition, and secondary treatments in packing solved the problem. No detours through dealers or slow-moving regional distributors; the discussion cut straight to the team that could make changes and get improved jars shipped the next week. It’s this iterative approach—based on production runs and hands-on learning in the lab—that keeps material quality on target and avoids the slow attrition of trust that hits other supply chains.

    Reducing Process Uncertainty

    An overlooked source of error in many synthetic procedures involves the raw material’s true content—hydration level, trace metal profile, isomeric purity. As direct producers, our ability to monitor and control these variables starts with fresh commercial bromine through to the last recrystallization, all within a facility where air, water, and input solvents are tracked and logged. We build in headroom on critical parameters; each batch’s lot release includes fresh NMR, HPLC, and GC-MS data available for instant sharing. Questions about shelf life, container compatibility, or possible interference from trace stabilizers? Our techs give direct answers, based on the product actually shipped last month—not a generic data file written years ago. Shipments never linger uncared for on a third-party shelf: temperature, humidity, and light exposure up to arrival sit under our responsibility, not someone else’s paperwork.

    Chemistry in Conversation With Reality

    We avoid promising “magic bullet” reactivity. Many buyers have grown wary of hearing far-fetched claims, only to face inconsistent results in daily synthesis. Instead, our product history charts a direct line between precise handling, honest documentation, and reproducible behavior. If an application doesn’t suit the structure and limitations of 1-Bromo-2-Naphthaldehyde, our sales chemists say so openly and suggest more suitable tools. This culture arose from years of partnership with researchers who value reliability over marketing jargon. Practicality, not posturing, guides each shipping decision, as we put ourselves in the shoes of our clients trying to reach the next milestone or batch delivery without avoidable setbacks.

    Improvements: Not Just the Latest Buzzwords

    Clients ask about “greener” options and the push for safer, less wasteful preparations. Strict in-house control lets us regularly review energy use, solvent loads, and waste stream treatment. Already, several modifications—closed-loop solvent handling, heat integration from downstream runs, selective batch quenching to minimize over-reduction—cut both overhead and environmental liability. These gains filter through to clients who must justify sourcing choices for internal audits or regulatory compliance. Real sustainability means lowering footprint without trading off performance, and these changes come through internal initiatives grounded in actual process experience, not marketing slogans or external certifications that look good on a website but fall flat in practice.

    Batch After Batch: Trust in a Complex Supply World

    Moving specialty aldehydes and halides across borders isn’t simple. Regulations tighten, audits become regular, and minor slipups can stall a project or sink a budget. Direct manufacturing shrinks risks—one fewer set of hands, one more set of eyes on each drum or bottle. This discipline comes not just from compliance requirements, but from the simple fact that reputations, once tarnished, rarely recover. We work to keep logistics smooth and documentation thorough, recognizing that importers, customs officials, and downstream buyers all share the same goal: knowing what’s in the jar matches the label, without hidden surprises or unexplained delays. Sometimes, that means working through the night to meet a tight shipping window, or troubleshooting a regulatory discrepancy on the fly. The aim remains the same from start to finish: every batch, every line item, matches customer expectations and regulatory standards alike.

    Supporting Growth with Chemical Honesty

    Pharmaceutical companies increasingly ask not just for molecules—they want a partnership around workflow, traceability, and continuous improvement. We share our own learnings about storage, reaction optimization, and waste minimization, both successes and failures. This transparency makes us a resource when users look to scale, pivot, or depart from typical published procedures. One multinational team explored site-selective couplings using our product after learning about our ability to articulate fine points regarding reactivity trends and potential pitfalls. Their project advanced faster because they could troubleshoot with the actual people who had made the batch, seen it react, and tweaked process controls in real time. Others have appreciated our willingness to review published spectra and propose in-house verification protocols, rather than deferring to a pile of technical data PDFs with little actionable insight.

    Why Origin Matters: From Reactor to Reaction

    Third parties and resellers often lack the granular familiarity with reaction kinetics and impurity profiles that only active producers build up. Being close to the process means adjustments—better temperature control, solvent swap-out, finetuned filtration—stem from direct experience, not guesswork or indirect feedback. The insights and tweaks born of batch production come through extended conversations with clients, not scripted call centers. If buyers face issues—unexpected crystals, off-baseline spot tests, or rare color shifts—these rarely surprise our teams because we’ve seen similar challenges in our own runs. Trace lots and reaction logs give us clarity, reducing risk and promoting shared accountability throughout the chain of supply and use.

    Chemical Safety: Shared Understanding and Straight Talk

    All hands in the industry agree that brominated aromatics and aldehydes come with their hazards—respiratory risk, irritating vapors, or reactivity under baseline lab conditions. As a manufacturer, our grasp of the actual handling hazards comes not just from written SDS files, but from daily proximity to the material. This means recommendations around benchtop ventilation, suitable containment, and disposal rest on lived reality, not generalizations. Our own staff undergo regular safety training, and our packaging choices reflect these learnings—leak-proof liners, clear hazard pictograms, and pierce-resistant vials for small quantities. Where downstream protocols demand custom packing or clear transfer documentation, we work to provide clarity and foresight—so users downstream neither face unnecessary exposure nor jump through regulatory hoops after the fact.

    Challenges That Shape the Product

    Markets shift, client priorities evolve, but experience teaches that certain fundamentals persist. Sources of failure—trace contaminants, poor solubility data, incomplete documentation—can stall multi-million dollar projects or kill early-stage research. We track these pain points, pulling in data from reactors, purification logs, and —more importantly—direct feedback from the field. That knowledge shapes each update to our processing lines, training routines, and internal documentation, raising the bar not only for product outcome but also for the ease and speed with which clients move from order to synthesis. Where competitors falter due to distant outsourcing or generic playbooks, we’ve built a model rooted in repeated, hands-on fine-tuning of every link in the supply chain.

    A Commitment to Progress That Serves the User

    Trust is built batch by batch, shipment by shipment, conversation by conversation. Years of direct production, iterative optimization, and honest self-assessment make a difference every day—whether you’re in the pilot plant scaling up a new route, or at the research bench pushing past familiar chemistry. The story of 1-Bromo-2-Naphthaldehyde, as we’ve found, isn’t about sales superlatives or dramatic innovations. It’s grounded in quiet progress, continuous reflection on what works—and what doesn’t—and a steady focus on meeting chemists’ and engineers’ actual needs. Each jar on the shelf stands as a small but essential step forward in a global tradition of research, discovery, and responsible manufacturing. That’s the story embodied in our work, and in every molecule that leaves our facility.