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8-Bromo-1-Naphthoic Acid

    • Product Name 8-Bromo-1-Naphthoic Acid
    • Alias 8-Bromonaphthalene-1-carboxylic acid
    • Einecs 225-439-0
    • 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

    189562

    Chemical Name 8-Bromo-1-Naphthoic Acid
    Cas Number 6967-82-4
    Molecular Formula C11H7BrO2
    Molecular Weight 251.08 g/mol
    Appearance White to off-white powder
    Melting Point 230-234°C
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically >98%
    Smiles C1=CC2=C(C=CC(=C2)Br)C(=O)O1
    Synonyms 8-Bromo-1-naphthalene carboxylic acid
    Storage Conditions Store at 2-8°C, keep container tightly closed
    Pka Approximately 4.7
    Hazard Statements Irritant (may cause skin/eye/respiratory irritation)

    As an accredited 8-Bromo-1-Naphthoic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 8-Bromo-1-Naphthoic Acid, 25g, is supplied in an amber glass bottle with a screw cap, safety label, and hazard symbols.
    Shipping 8-Bromo-1-Naphthoic Acid is shipped in tightly sealed containers to prevent moisture and contamination. It is carefully packaged to avoid physical damage and complies with relevant hazardous materials regulations. The product is typically labeled with appropriate hazard and handling information and may require temperature control depending on specific storage requirements.
    Storage 8-Bromo-1-Naphthoic Acid should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area. Keep it away from sources of ignition, moisture, and incompatible materials such as strong oxidizing agents. Protect from direct sunlight. Properly label the container and store at controlled room temperature, following all relevant safety and handling guidelines for laboratory chemicals.
    Application of 8-Bromo-1-Naphthoic Acid

    Applications of 8-Bromo-1-Naphthoic Acid in Industrial Manufacturing

    As the original manufacturer of 8-Bromo-1-Naphthoic Acid, we support a range of specialized chemical sectors by supplying consistently high-quality material. This chemical intermediate is widely used in tightly defined applications by downstream enterprises, who rely on our supply consistency and technical data to maintain their competitive production standards. Below, we outline major real-world industrial scenarios, with technical details per application, to meet transparent procurement and compliance requirements for your B2B operation.

    1. Pharmaceutical Building Block for Active Pharmaceutical Ingredient (API) Synthesis

    Pharmaceutical API manufacturers use 8-Bromo-1-Naphthoic Acid in the construction of naphthyl-containing scaffolds where direct bromination of aromatic systems enables specific functionalization. The material enters synthetic routes for targeted kinase inhibitors, anti-inflammatory agents, and several emerging oncology R&D platforms. Its high purity is critical for downstream GMP protocols, and suppliers must guarantee traceability at every stage from kilolab to commercial production scale.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • 21 CFR Part 210/211 (FDA Requirements)
    • European Pharmacopoeia (Ph. Eur.) monograph relevant substance check
    • US DMF (Drug Master File) registration support for importers

    Typical usage ratio

    • 0.1–0.8 molar equivalents, depending on the coupling and transformation step; ratio adjusted based on scale-up from synthesis run yields and downstream purification control

    Downstream process integration

    • Introduced during the early or mid-stage step of API intermediate synthesis—specifically as a halogenated aromatic coupling agent or precursor for Suzuki or Buchwald–Hartwig type reactions, following initial substrate protection and before core ring fusion or amidation

    Final product types

    • Naphthyl-based small molecule APIs—including kinase inhibitors, fungistatic compounds, and specialty pain management drugs
    • Advanced medicinal intermediates for CRAMS (Contract Research & Manufacturing Services)
    • Registration batches for regulatory filings

    2. Polymer Synthesis Modifier

    In high-performance polymer production, 8-Bromo-1-Naphthoic Acid functions as a functional monomer or building block, providing naphthyl groups and halogen sites for block copolymers, specialty polyimides, and engineered plastics demanding thermal stability and fluorescence features. Precision introduction of this substituent in monomer preparation affects end-use polymer mechanical and physicochemical properties.

    Industry compliance standards

    • ISO 9001 (Quality Management Systems for consistent batch production)
    • REACH Regulation (EU chemical registration, evaluation, and authorization)
    • RoHS Directive (Restriction of Hazardous Substances, if applicable for electronics/housing applications)
    • UL 94 flame retardancy rating (as required by downstream formulation)

    Typical usage ratio

    • 0.05–0.2% by total monomer weight for copolymer modifications; concentration adjusted per product line to balance molecular weight targets and additive reactivity

    Downstream process integration

    • Dissolved or dispersed into monomer feedstock prior to polymerization initiator charging; protocols specify controlled temperature addition to master batch for uniform reactivity during condensation or step-growth polymerization

    Final product types

    • High-performance optical-grade polyimides
    • Specialty copolymers for LCD display films
    • Engineering plastics used in electronics and aerospace components

    3. Agrochemical Intermediate Manufacturing

    Formulation chemists in crop protection companies employ 8-Bromo-1-Naphthoic Acid in the assembly of advanced heterocyclic scaffolds for fungicides and herbicides, especially those where a naphthalene ring is critical for biological activity. Stringent sourcing quality is required as finished product registration depends on pathway traceability back to primary raw materials.

    Industry compliance standards

    • FAO/WHO specifications for technical grade active ingredients
    • ISO 17025 (Laboratory testing and calibration for pesticide formulation)
    • Globally Harmonized System (GHS) for labeling and transport
    • China ICAMA (Institute for the Control of Agrochemicals, Ministry of Agriculture) registration

    Typical usage ratio

    • 1.0–1.5 equivalents in key coupling or cyclization steps of multi-step synthesis; ratio adjusts per crop-protection active ingredient target and EPA/ICAMA residue compliance

    Downstream process integration

    • Charged as a coupling precursor during the main-stage synthetic route, prior to sulfurization or condensation with nitrogenous heterocycles for phenyl-naphthalene-based commercial pesticide product lines

    Final product types

    • Novel fungicides with improved soil persistence
    • Specialty herbicides for rice and wheat agrochemical formulations
    • Intermediates for further structural diversification in contract agrochemical manufacturing

    4. Specialty Dye and Pigment Synthesis

    Downstream dye manufacturers incorporate 8-Bromo-1-Naphthoic Acid in the synthesis of naphthoic-based azo dyes and advanced pigments, where site-selective bromination yields improved tinting strength or enables diazo coupling with unusual chromophores. Its role is tightly mapped in colorant precursor preparation, especially for textile and plastics application where light stability and regulated content are strictly monitored.

    Industry compliance standards

    • Oeko-Tex Standard 100 (for regulated colorants in textiles)
    • EN 71-3 (Safety of toys – migration of certain elements, for pigments in consumer goods)
    • ISO 18314-5 (Analytical colorimetry methods)
    • Global Organic Textile Standard (GOTS) for dyestuff input substances

    Typical usage ratio

    • 0.2–0.5 molar equivalents per dye-batch base, adjusted for chromophore development and final desired shade intensity

    Downstream process integration

    • Involved at the initial diazo coupling precursor stage, following acid neutralization and before azo linkage formation; batch QC monitors bromo-derivative purity to eliminate off-tint

    Final product types

    • High-performance azo dyes for polyamide and polyester textile printing
    • Light-stable organic pigments for automotive coatings
    • Fine colorants for plastics and synthetic fiber extrusion

    5. Organic Electronics and Sensor Materials Development

    Advanced materials research organizations and OLED display film producers use 8-Bromo-1-Naphthoic Acid in the preparation of naphthalene-derived organic semiconductors and electronic sensor scaffolds. The compound’s brominated structure supports Suzuki coupling for crafting custom-conjugated backbones with enhanced charge mobility and photostability, integral for thin-film electronics manufacturing and sensor coatings.

    Industry compliance standards

    • ISO 14001 (Environmental Management relevant to organic electronics manufacture)
    • IPC-4101C (Base materials for organic electronic circuits)
    • RoHS Directive (for hazardous substance restrictions in electronics)
    • JEDEC JESD22-A114 (ESD protection testing in sensor device fabrication)

    Typical usage ratio

    • 0.1–0.4 molar equivalents in conjugated backbone synthesis steps, tuned according to required film thickness and electronic characteristics

    Downstream process integration

    • Dosed during the aryl coupling sequence post-initial monomer activation in solvent-based or vapor-phase film precursor production; direct link to batch reproducibility for OLED and sensor substrate manufacturers

    Final product types

    • OLED display thin films
    • Photodetector and chemosensor device coatings
    • Organic photovoltaic materials for R&D prototype panels

    6. Analytical Reference Compound Manufacturing

    Chemical standards producers and analytical reagent firms obtain 8-Bromo-1-Naphthoic Acid to supply calibration references, traceability materials, and reference substances for chromatography and spectroscopic quality control labs. Purity, batch homogeneity, and absolute structure confirmation form the central requirements for this downstream segment, as customer laboratories verify method and equipment performance using traceable standards.

    Industry compliance standards

    • ISO/IEC 17034 (General requirements for the competence of reference material producers)
    • ISO/IEC 17025 (Testing and calibration laboratories)
    • USP General Chapter <1040> (Analytical methods)
    • Ph. Eur. Reference Standards Section (for European markets)

    Typical usage ratio

    • Supplied as pure material, typically 1–10 mg per QC analytical vial or bulk standard package, based on chromatographic detection limits and method validation protocols of the end user

    Downstream process integration

    • Packed and certified following bulk production; distributed for direct use in HPLC, GC, and NMR system calibration by contract labs and QC departments of formulation manufacturers

    Final product types

    • Certified analytical reference materials (CRMs)
    • Calibration standards for regulatory QC labs
    • Traceability vials for method development and validation in pharmaceutical, environmental, and industrial QC
    Free Quote

    Competitive 8-Bromo-1-Naphthoic Acid prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Introducing 8-Bromo-1-Naphthoic Acid: A Closer Look From the Manufacturer's Bench

    How 8-Bromo-1-Naphthoic Acid Shapes Modern Chemical Synthesis

    Decades on the manufacturing floor have taught us that specialty chemicals don’t just fill a space—they enable real change in processes and downstream applications. For chemists working in both industrial and research settings, particular attention has shifted toward halogenated naphthoic acids. Among these, 8-Bromo-1-Naphthoic Acid continues to draw interest for its performance and selectivity in diverse synthesis protocols. Whether supporting dye intermediates, fine chemicals, or pharmaceutical synthesis, its role stands out for a reason.

    Our Manufacturing Approach

    We adopted 8-Bromo-1-Naphthoic Acid production lines after years of hands-on process optimization. The compound’s structure features a bromine atom at the 8 position of the naphthoic acid core, offering a precision-point for subsequent chemical reactions where substitution or cross-coupling reactions occur. As a chemical manufacturer relying on consistency and purity, we keep specifications tight: the product typically presents as a white to off-white solid with a melting point in the vicinity of 235°C to 240°C. Purity by HPLC routinely exceeds 98.5%. Years spent refining crystallization and filtration conditions mean our batches stand up to scrutiny, meeting the expectations of scale-up and research environments alike.

    Distinguishing Features Compared to Other Naphthoic Acids

    Many labs call for naphthoic acid derivatives, but not all substitutions function the same. Compare 8-Bromo-1-Naphthoic Acid with common alternatives such as 6-bromo or 5-bromo analogues: subtle changes in atomic positioning drive significant differences in reactivity. Electrophilic aromatic substitution handles differently on the 8-position, offering downstream synthetic chemists a platform for tailored introductions of further substituents. Researchers seeking to avoid cross-reactivity or reduce the need for protection-deprotection cycles often favor this 8-bromo variant for just this reason. Our clients routinely achieve higher yields and selectivity in palladium-catalyzed Suzuki and Buchwald-Hartwig couplings when starting from our material compared to non-optimized sources or other regioisomers.

    Real Experience With Scale-Up

    Walking the plant floor, the challenges become clear: fine chemicals like 8-Bromo-1-Naphthoic Acid require attention to detail that goes beyond the technical data sheets. We monitor each stage, from bromination of the naphthalene precursor through to final acidification and purification, keeping close tabs on temperature swings and impurity profiles. Special care in bromination ensures minimal over-substitution. Many of our competitors overlook the crystals’ filtration profile, leading to lengthy drying times and product clumping. Our methods leverage carefully controlled solvent swaps, so downstream handling stays straightforward—no issues with caking or inconsistent particle size. Every lot receives UV and NMR checks as part of batch release, ensuring you get what you expect.

    Application in Complex Syntheses

    8-Bromo-1-Naphthoic Acid often serves as a reliable intermediate in building extended aromatic systems, including functional materials for electronics and optoelectronics. Chemists targeting anthraquinone dyes, biaryl compounds, or advanced ligands for catalysis value how this specific arrangement on the naphthalene ring preserves selectivity in both nucleophilic and electrophilic substitutions. Unlike bulk commodity acids, this product offers the flexibility required for multi-step syntheses where each reaction’s controllability can impact overall project time and cost. Many of our industrial partners in API (active pharmaceutical ingredient) pipelines note smoother route scouting phases and easier isolation of desired isomers, since 8-bromo substitution avoids some of the reactivity complications observed with ortho- or meta-derivatives.

    Supporting Next-Generation Material Science

    Every year sees new patents and startup projects based on polyaromatic and fused ring systems. Our regular customers include research teams at university spinouts, scale-up labs, and global chemical companies developing novel OLED and liquid crystal components. The 8-bromo position empowers researchers to link new side chains or to introduce metal-chelating groups, thanks to the protected carboxylic acid site and unhindered aromatic region. Flexibility in downstream chemistry draws directly from the selectivity achieved here. Past feedback highlights how cleaner end-products, achieved by starting from highly pure 8-Bromo-1-Naphthoic Acid, make downstream analytics more predictable and regulatory filings more straightforward. The subtle edge in purity pays dividends during trouble-shooting later scale-up or purification steps.

    Environmental Considerations in Modern Manufacturing

    Brominated aromatic compounds often cause concern due to their potential persistence and toxicity in the environment. Our process integrates solvent recycling, closed-loop bromination systems, and careful waste management. Regulatory teams carry out regular audits of effluent and monitor for unreacted bromine species. Plant operators use inline colorimetric and titrimetric methods—experience tells us that stopping reactions at exactly the right conversion point keeps waste to a minimum while preserving batch quality. These steps reflect real-world lessons learned chasing both yield and environmental stewardship. As regulatory expectations climb, practical experience with process controls makes a noticeable difference to both the environment and product reliability.

    Challenges Faced and Solutions Developed

    Years in fine chemical synthesis bring perspective: every new reaction promises a unique obstacle. Early efforts to scale up 8-Bromo-1-Naphthoic Acid brought worries about batch-to-batch consistency, especially controlling isomer content and maintaining the carboxyl position’s purity. Working hand-in-hand with our R&D chemists, we tweaked the bromination process stepwise, introducing automated reagent feeds and refining heat dissipation techniques. Trace metal analysis tools entered routine workflow, so we can spot process contamination early rather than after shipping to end-users. One of the hardest lessons involved filtration: minor changes in solvent ratios could turn an easy filtration into a slog through sticky, impure cakes. Once our teams mapped out solvent parameters and controlled crystallization rates, yields shot up, and product color stabilized.

    Quality Assurance, Rooted in Practice

    Thick binders of COAs and analytical run sheets fill our quality archive. Each batch of 8-Bromo-1-Naphthoic Acid must pass a full spectrum of chromatographic, spectroscopic, and elemental analyses, drawing on both automated and old-fashioned hands-on approaches. In-chute sampling during intermediate steps lets us catch potential impurities before final isolation. We routinely archive retention samples, giving us the option to review and troubleshoot in rare cases of customer concerns. No lab-scale shortcut can fully predict the real-world performance that comes out in actual kilo-scale runs—and this hands-on validation is why our customers return year after year. Their formulations draw a clear benefit from material that behaves predictably across seasons, lots, and process changes.

    Customer Experience Shapes Product Design

    Our ongoing dialogue with users—process chemists, academic researchers, QC managers—drives continuous improvement. Examples abound of clients needing tweaks to melting point windows, or requests for different particle size distributions to fit specific equipment. We have learned to listen, offering lot-level customization within reason. Sometimes even a minor adjustment impacts a multi-million-dollar process. Honest feedback about product solubility in uncommon solvents led us to test and suggest alternate workup protocols. This sort of real-world, head-to-head problem solving makes large-scale fine chemical synthesis into more than a business transaction. For many users, knowing their supplier has stood in their shoes makes all the difference.

    Supply Reliability in Volatile Conditions

    Supply chain shocks—a reality in modern manufacturing—hit especially hard in specialty chemicals. We keep raw material sourcing diversified, maintain safety stocks, and lock in long-term contracts for key reagents. Our buyers track upstream and downstream disruptions, and production scheduling adapts on the fly to meet client lead times. Hard-learned experience in the field teaches caution: we prepare for transport delays, currency fluctuations, and regulatory bottlenecks. Advance planning for powder handling and packaging means customers avoid surprises on delivery. Straightforward logistics and a focus on transparent communication avoid the wasted hours and ruined experiments that plagued many labs during recent global upheavals.

    8-Bromo-1-Naphthoic Acid in Regulatory and Safety Context

    As chemical regulations tighten worldwide, responsibility doesn’t end at the factory gate. We dedicate staff to compliance, frequently updating documentation and proactively responding to new listings or hazard assessments. Decades of audit experience taught us to keep traceability tight: raw material origin, reaction steps, and testing all feed a living data record available for client review. End-users find confidence not only in analytical performance, but in the assurance that each batch supports compliance efforts—whether for REACH, TSCA, or emerging regional regulations. That attention to detail gives downstream regulatory teams an early start, keeping programs on track during late-stage filings.

    Comparing to Market Alternatives

    We regularly benchmark our 8-Bromo-1-Naphthoic Acid against industry equivalents. Variability in color, purity, and physical form crops up in the broader market. Impurity drifts impact not just the lab notebook, but also regulatory tolerance thresholds downstream. Our controls on heavy metals, halide residues, and organic by-products make a visible difference for users scaling from milligram- to kilogram-quantities. Direct side-by-side feedback from clients finds our material easier to dissolve and filter, with minimal loss on drying or during transfer. In tight-fill or high-throughput operations, every gram counts. Where some competitors offer variable powder flows or unexpected melting ranges, consistent handling wins repeat business and positive reports back from process teams.

    Supporting Transition Toward Greener Chemistry

    Clients in academia and industry continue to push sustainable chemistry initiatives. Our efforts to reduce hazardous waste, recycle solvents, and minimize unreacted reagents reflect that future focus. Investment in continuous flow technology offers further opportunities—allowing better reaction control, higher throughput, and smaller process footprints. The transition to greener alternatives goes step by step: ongoing pilot projects look at replacing traditional chlorinated solvents, and regular in-house trainings reinforce safe and efficient handling. By keeping material streams clean and recycling efficiently, we lower both cost and environmental footprint—steps recognized by more and more of our customers’ procurement and EHS teams.

    From the Manufacturer’s Perspective: What’s Next?

    The drive for more sophisticated aromatic building blocks isn’t slowing. New pharmaceutical candidates, material science projects, and industrial dyes demand pure, reliable intermediates. Manufacturers like us stand in the middle, transforming commodity feedstocks into specialized molecules like 8-Bromo-1-Naphthoic Acid through painstaking process control and refinement. Each innovation—be it a filtration breakthrough, a new purification regime, or real-time impurity tracking—translates into stronger partnerships with chemists at every stage. If practical experience has taught anything, it’s that well-made fine chemicals are not a commodity: they’re the quiet linchpin in successful discovery, development, and production programs.

    Frequently Asked Questions From Our Clients—And Honest Answers

    Many users ask about shelf life and storage—real-world observations show that 8-Bromo-1-Naphthoic Acid remains stable under cool, dry conditions for years, provided containers stay tightly sealed. Concerns about dust and handling prompt us to provide material in both powder and granulated forms, depending on customer need. Some research labs inquire about specific particle size fractions; our plant adapts milling and sieving schedules to supply these on a rolling basis. Technical teams sometimes ask for spectral data or small-scale samples for direct comparison, and we handle these requests with transparency—no mystery about what goes into each container.

    Feedback around fine white powder residue leaves us frequently recommending antistatic packaging or double-bagging solutions for environments sensitive to contamination. End users working with high-throughput robotics appreciate the uniformity of flow and dosing that come from tightly controlled bulk powder production. We’ve learned that even the best processes require vigilance: regular checks of calibration, humidity monitoring, and attention to operator training all prevent the subtle shifts that degrade product quality at scale.

    What Real Customers Have Achieved

    Nothing validates a chemical product more than seeing it in action beyond the QC lab. Multiple accounts of users synthesizing novel ligands for metal-organic frameworks, bright organic dyes, and stepping-stone intermediates for advanced pharmaceuticals all point to solid results starting with 8-Bromo-1-Naphthoic Acid. Some R&D groups report breakthrough selectivity in coupling reactions, due to the unique reactivity profile offered by the 8-bromo group. Pilot plants cite reductions in rework and by-product streams, directly attributed to higher starting material purity. By working closely with their process development chemists, our technical support team helped troubleshoot operational bottlenecks, finding real-world solutions to solubility or filtration questions.

    Continuous Learning and Process Evolution

    Fine chemical manufacturing draws on a mix of chemistry know-how and gritty, practical experience. Our team stays plugged into current literature, keeps open lines with researchers, and never stops tweaking process control. Long partnerships with raw material suppliers and robust QA systems reduce headaches for everyone down the line. Even as the product finds its way into new fields—battery materials, pharmaceutical scaffolds, specialty colorants—our approach stays the same: detailed, careful manufacturing rooted in practical hands-on expertise.

    Final Thoughts from the Manufacturer’s Floor

    For all its chemistry, 8-Bromo-1-Naphthoic Acid represents constant adaptation—meeting real user challenges, tracking the intersection of tradition and modern technology, and translating raw naphthalene and reagents into the precision materials demanded by tomorrow’s industries. Manufacturing requires more than lab-scale proof; it calls for process discipline forged in the pressures of full-scale runs. That is where manufacturing experience counts for more than any elegant paper or isolated pilot batch.

    Here, the lessons learned translate to practical advantages: crystal clear solvent swaps, right-first-time filtration, and process controls that keep quality locked in. For those pushing the boundaries in synthesis, we deliver more than a molecule—we provide a tested, reliable partnership built on decades of manufacturing insight, always striving to keep pace with new ideas and evolving standards.