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1-Phenylnaphthalene

    • Product Name 1-Phenylnaphthalene
    • Alias 1-phenylnaphthylene
    • Einecs 207-432-0
    • 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
    VTB
    Specifications

    HS Code

    362745

    Cas Number 605-02-7
    Molecular Formula C16H12
    Molar Mass 204.27 g/mol
    Appearance Colorless to pale yellow liquid
    Density 1.08 g/cm3
    Boiling Point 340 °C
    Melting Point 61 °C
    Solubility In Water Insoluble
    Refractive Index 1.668
    Flash Point 174 °C
    Smiles c1ccc(cc1)c2cccc3ccccc23
    Pubchem Cid 12688

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

    Packing & Storage
    Packing 1-Phenylnaphthalene, 25g, supplied in a sealed amber glass bottle with a secure screw cap, labeled with hazard and handling information.
    Shipping 1-Phenylnaphthalene is shipped in tightly sealed, chemical-resistant containers to prevent leakage or contamination. The package is labeled according to regulatory requirements, including hazard information if applicable. During transit, it is kept away from strong oxidizing agents and stored in a cool, dry place to ensure chemical stability and safety.
    Storage 1-Phenylnaphthalene should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from sources of ignition. Keep out of direct sunlight and away from strong oxidizing agents. Proper labeling and segregation from incompatible materials are essential. Use appropriate secondary containment to prevent spills or leaks, and store according to local regulations for flammable organic compounds.
    Application of 1-Phenylnaphthalene

    Applications of 1-Phenylnaphthalene in Industrial Manufacturing

    1-Phenylnaphthalene, an aromatic hydrocarbon, supports specialized transformations across multiple chemical industry sectors due to its unique molecular structure and aromatic stability. As a direct manufacturer, we detail primary industrial applications where this raw material functions as a core reactant or functional additive in sophisticated processes.

    1. Organic Light-Emitting Diode (OLED) Intermediate Synthesis

    Our material sees extensive use as a precursor in producing advanced organic conjugated molecules for OLED devices, where electronic performance depends on precise aromatic frameworks. Manufacturers integrate this aromatic system for tailored electron transport materials or as a building block for blue-emitting compounds, responding to increasing demand in high-end display technology. Selection and adjustment of 1-Phenylnaphthalene content strictly depend on the targeted optoelectronic properties and the final molecular design of the OLED intermediate, requiring well-controlled purification and homogeneous reaction batches.

    Industry compliance standards

    • RoHS (Restriction of Hazardous Substances Directive) compliance for electronic components
    • IEC 62321 methods for chemical analysis in electrical equipment
    • ISO 9001:2015 quality management system for electronic chemicals
    • REACH (EC) No 1907/2006 registration for import and manufacture within the EU

    Typical usage ratio

    • 5–25% by molar ratio in molecular construction steps, adjusted based on emission color requirements and quantum yield optimization.
    • Higher ratios for blue-emitting layers; lower for blended emission architectures.

    Downstream process integration

    • Introduced during Suzuki or Buchwald-Hartwig coupling for core aromatic extension.
    • Functionalization steps such as bromination or amination conducted on the raw material, forming diversity in the emitter or host molecule library.
    • Integrated into solution-phase or solid-phase reactions depending on the final compound pathway.

    Final product types

    • Small molecule OLED emitters (blue/green emission)
    • Host materials for phosphorescent OLEDs
    • Charge-transport layers in display panels
    • Color conversion layers for microdisplay technology

    2. Synthetic Dye Intermediates for High-Performance Pigments

    This material enables the synthesis of specialty dyes, especially in high-end pigment production for automotive coatings, plastics, and specialty inks. Naphthalene-derived aromaticity forms the backbone for colorfast and light-stable azo and anthraquinone pigments. Industrial dye manufacturers utilize this compound to enhance mid- and deep-red shades, with formulations tailored for extreme weather resistance or chemical exposure. QC must ensure batch-to-batch purity and consistent aromatic substitution to meet customer shade and stability specifications.

    Industry compliance standards

    • EN 71-3:2019 for toy and pigment safety
    • ISO 18451-1:2015 Pigments and extenders – Terminology
    • Toy Safety Directive 2009/48/EC (relevant for colored plastics)
    • Blue Wool Standard for lightfastness

    Typical usage ratio

    • 15–35% weight/weight in initial pigment molecule synthesis, varying according to desired color intensity and molecular size.
    • Adjusted to control crystallinity and shade brilliance during primary condensation.

    Downstream process integration

    • Incorporated in initial diazotization and coupling reactions for azo dye construction.
    • Utilized in anthraquinone pathway as a condensation partner, imparting extended conjugation.
    • Subject to sulfonation or further functionalization for water-soluble dye forms.

    Final product types

    • Automotive base coat and top coat pigments
    • UV-resistant masterbatch colorants
    • Inkjet printing dyes for photo-realistic inks
    • High-purity textile dyes for polyester fibers

    3. Pharmaceutical Impurity Profiling and Reference Compound Supply

    The pharmaceutical sector applies our material most often for the standardization and development of analytical methods. 1-Phenylnaphthalene serves as a reference standard in impurity profiling for drug products, both during method validation and in forensic trace analysis, particularly in aromatic drug scaffolds. Drug manufacturers require high-purity grades with detailed impurity documentation, as even trace contaminants can complicate regulatory filings and impact process reproducibility. Direct industrial customers request precise documentation, linking chemical batch traceability to their GMP-compliant systems.

    Industry compliance standards

    • ICH Q3A/B guidelines for impurity specification
    • USP/NF monographs for analytical reference materials
    • European Pharmacopoeia (Ph. Eur.) standards for impurities
    • 21 CFR Parts 210/211 for cGMP practices

    Typical usage ratio

    • Typically below 0.1% (spiking level), adjusted based on required limit of quantification for LC, GC, or MS systems.
    • Used as-is or diluted in compatible organic solvents under QC technician oversight.

    Downstream process integration

    • Prepared in certified standard solutions for chromatographic calibration curves.
    • Participates in spike-recovery studies during method development and validation.
    • Used in forced degradation studies to establish impurity profiles in new drug entities and legacy molecules.

    Final product types

    • Pharmaceutical analytical standards
    • Validated impurity reference solution kits
    • Secondary standards for internal QC laboratories
    • GMP-manufactured API impurity profiling dossiers

    4. Performance Polymer Additive and Monomer Production

    Our facility supplies this aromatic compound to advanced polymer plants for use in specialty polyimide and polyarylate production. Its aromatic rigidity and large planar structure impart dimensional stability and heat resistance in high-temperature polymers. Polyimide resin manufacturers favor this building block where high glass transition temperatures, minimal outgassing, and low dielectric loss are mandatory, such as in printed circuit boards and aerospace components. Continuous process monitoring ensures the monomer's purity and integration at critical molecular steps, enhancing final product uniformity and performance under thermal stress.

    Industry compliance standards

    • UL 94 standards for polymer flammability
    • ASTM D5207 for polyimide electrical testing
    • IPC-4101 for laminates and prepreg sheets in electronics
    • ISO 14001 for environmental management in polymer manufacturing

    Typical usage ratio

    • 5–20% mol fraction in aromatic dianhydride/diamine polyimide systems, adjusted to balance processability and thermal performance.
    • Modulation per required melt viscosity and final part thickness.

    Downstream process integration

    • Charged into the polymerization reactor with dianhydrides/diamines under high-temperature condensation.
    • Covalently bound into the polymer backbone, imparting bulk aromaticity and increasing rigidity.
    • Monitored by GPC (gel permeation chromatography) for final molecular weight control.

    Final product types

    • Polyimide films for flexible circuit applications
    • Polyarylate structural plastics for aerospace assemblies
    • Protective insulators in microelectronics
    • Advanced composite prepregs
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    Certification & Compliance
    More Introduction

    Insightful Overview of 1-Phenylnaphthalene from a Chemical Manufacturer's Perspective

    Introduction to 1-Phenylnaphthalene

    At its core, producing 1-Phenylnaphthalene is about more than following a synthesis pathway; it’s the result of careful process control and respect for consistent quality. This compound, recognized by its structural formula C16H12, serves as a distinctive aromatic hydrocarbon. Chemists often choose 1-Phenylnaphthalene for its single phenyl group attached to the 1-position of naphthalene, which gives rise to unique performance traits absent in basic naphthalene or bulkier aryl-naphthalenes.

    Decades of operating synthesis reactors for aromatic intermediates have taught us that even minor deviations in temperature or purity of starting materials manifest in the properties of the final 1-Phenylnaphthalene product. Each batch’s clarity and melting point reflect the discipline of our plant operation. For those unfamiliar, this material commonly presents as pale yellow crystalline solids at room temperature, with a melting point typically near 100°C, meaning it can withstand most processing without breaking down. Its purity determines both its marketability and performance down the line in demanding applications.

    Direct Experience Handling 1-Phenylnaphthalene

    Chemical manufacturing is hands-on work. Any product leaving our facility carries a track record, not just paperwork. Working closely with 1-Phenylnaphthalene, I find several issues stand out, especially during recrystallization and purification. Impurities from upstream processes can introduce off-notes into the aromatic profile or change color—details our QC teams catch under UV. These are not minor technicalities; a careful eye preserves batch integrity and avoids downstream headaches.

    Safe, efficient production depends on understanding the compound at every step. Heating cycles, solvent choices, and packaging all have outsized effects on shelf life and reliability for end users. Customers in dye synthesis or specialty chemical research depend on us for clean, analytically confirmed 1-Phenylnaphthalene. They don't need an excuse for off-target reactions caused by trace metals or sulfur residues, so our procedures focus on removing those at every opportunity.

    Specifications and Product Identity

    We have learned through decades of customer feedback and repeated internal study that the market expects a product with a melting range around 98–100°C and purity levels exceeding 99% by GC. Slight shifts in those numbers often signal processing troubles or a need for better solvent washes. Our product always undergoes high-performance liquid chromatography and gas chromatography confirmation against internal reference standards.

    Practical insight matters. Technicians who pack shipping drums check not just mass and labeling, but the scent and crystal behavior, since real-world handling can introduce static or micro-contamination that shows up only after long transport. We’ve found that standard packaging in HDPE drums or double-bagged glass containers offers optimal protection. Data from customers have shown that materials stored in these formats maintain spectral integrity over six months or longer under recommended cool, dry conditions.

    Practical Uses Outlined from Daily Operations

    Over time, application trends for our 1-Phenylnaphthalene have shifted slightly, but certain mainstays remain. The compound’s polycyclic structure and moderate melting range make it a recurring choice as an intermediate in fine chemical synthesis. Researchers in dye labs and pigment makers value its ability to introduce phenyl substituents at defined positions, enabling exploration of new chromophores and optical materials.

    Electronics clients use 1-Phenylnaphthalene derivatives to develop organic semiconductors and specialty coatings. These applications place a very real premium on chemical consistency, since even small fluctuations can affect electronic performance. A handful of customers use the compound to study pi-stacking and aromatic interactions; their research requires analytical transparency and a clear supply trail, factors that can only stem from robust, in-house quality systems. These end-users often send us requests for tailored batch sizes or support during scale-up, tasks that would be impossible to fulfill as a simple trader or distributor.

    One less common, but still significant, route for our product lies in its utility as a reference standard in analytical laboratories. Its distinct aromatic fingerprint—combined with well-established NMR, IR, and mass spectral data—helps instrument techs verify equipment calibration and check solvents or reagents for contamination across new production campaigns.

    The highest recognition comes from customers who return year after year for their 1-Phenylnaphthalene, knowing precisely how this material behaves in their reactors. Our product’s dryness, absence of side-products, and freedom from common trace impurities provide a head start in customer processes, from dye-making to advanced sensor development. The unique way our material dices into other frameworks offers a kind of reliability you cannot buy from a generic stockist.

    What Sets 1-Phenylnaphthalene Apart in the Aromatic Hydrocarbon Field

    Having produced and handled more aromatic hydrocarbons than I care to count, I can say without hesitation that 1-Phenylnaphthalene occupies a different niche than common naphthalene and other mono-aryl naphthalenes. It offers higher thermal stability than unsubstituted naphthalene, thanks to added molecular bulk and resonance stabilization. In practical organic synthesis, this translates into greater ease during Friedel–Crafts acylation or nitration operations, because the phenyl group steers the regioselectivity predictably.

    Comparisons with biphenyl or 2-phenylnaphthalene, both of which we also produce, highlight further differences. The 1-substitution pattern produces a single well-defined geometric isomer, avoiding the product complexity that comes from random substitution elsewhere on the naphthalene ring. Chemists pursuing new ligand scaffolds for catalysis or non-linear optical materials seek out this specific connectivity for reliable downstream functionalization.

    For customers looking at melting behavior, 1-Phenylnaphthalene sits close to room temperature, allowing for use as a melt-phase transfer agent; naphthalene melts well below this, restricting its use in applications requiring a more rigid backbone at moderate heat. The phenyl-substituted version also offers a stronger, more persistent aromatic character to those blending it for specialty lubricant or resin work.

    Handling the purification process makes the difference tangible. Naphthalene derived from crude sources contains sulfur, nitrogen, and polycyclic impurities that require intense scrubbing. Our 1-Phenylnaphthalene, from high-purity benzene and naphthalene starting stocks, passes strict post-synthesis screening, so our finished material remains free-flowing and odor-neutral over its shelf life—a requirement that’s not always met by overseas or less process-intensive producers.

    Sourcing, Process Control, and Responsible Manufacturing

    Having a long-established position as a manufacturer gives us the benefit of vertical control—from precursor sourcing to real-time batch analytics. There’s no substitute for this first-hand stewardship. Sourcing benzene and naphthalene with narrow contaminant profiles translates directly into smoother downstream processing, fewer purification cycles, and ultimately, less byproduct generation.

    Every aspect, from charging raw materials to final packaging, relies on effective real-time monitoring. Inline analytical tools and daily process reviews catch shifts in conditions that could create off-batches of 1-Phenylnaphthalene. By enforcing 24-hour access to lab data and keeping process engineers engaged at the line, we have consistently met both in-house and customer-specific requirements for purity. Close work with analytical chemists improves both routine and customized controls, such as low-level detection of halide or transition metal content, which matter in niches like OLED synthesis.

    From an environmental perspective, responsible manufacturing means more than just ticking compliance boxes. Our solvent recovery systems operate at over 95% efficiency, and residuals from 1-Phenylnaphthalene crystallizations feed into energy recovery. Plant upgrades targeting energy intensity and decontamination help ensure our production footprint remains lean, which in turn reinforces customer trust in our supply reliability.

    Supporting End-User Innovation

    We recognize our material often becomes part of a much larger value chain. Technicians in pigment labs, electronics research, or even academic settings often depend on batch-to-batch consistency. Over the years, our support has extended beyond shipping product out the door. Troubleshooting customer reactions—sometimes from halfway around the world—has taught us how small differences in particle morphology or solvent composition can make or break a scale-up campaign.

    Joint troubleshooting with end-users has resulted in meaningful improvements to our processing steps. For example, feedback from organic electronics firms led us to adjust our final drying protocol, reducing adsorbed moisture to undetectable levels. This allows users to proceed directly into moisture-sensitive reactions without additional pre-treatment—a decisive advantage for those working on tight timelines.

    For research users developing custom derivatives, we have made smaller, high-purity lots available, providing the flexibility needed in exploratory programs. No one wants to run an entire reaction series twice due to unknowns in the starting material, and our scale allows us to execute limited production runs with careful quality control instead of relying entirely on bulk output.

    Quality Assurance Shaped by Experience

    Maintaining analytical control over 1-Phenylnaphthalene is key to upholding our reputation. Years of experience with both legacy and modern equipment have shaped our approach to quality. Regular cross-checks between GC, HPLC, NMR, and FTIR eliminate blind spots that could result from relying on a single test. Our technical staff keep detailed batch histories, and traceability remains a cornerstone, driven by the occasional need to identify even rare process anomalies. This approach paid dividends when a long-term customer flagged what later turned out to be a packaging issue unrelated to the chemical itself—only rapid traceability and transparent cooperation allowed us to resolve their problem in hours, not weeks.

    Quality isn’t static. As analytical methods advance, we update our internal standards, sometimes requiring more advanced calibration or expansion of impurity detection. Partnership with trusted instrument vendors and participation in industry round-robin studies enable us to refine these controls continually. From my perspective, this discipline translates directly into lower customer complaints and greater willingness from new clients to shift away from older, more established suppliers.

    Comparing Direct Manufacturing with Trade Sourcing

    Conversations with customers highlight an important point: buying directly from manufacturers like us minimizes risks associated with unknown intermediaries. Traders and third-party resellers seldom provide full batch records or engage in root-cause investigation of unexpected results. As a manufacturer, I can pinpoint every variable involved in each lot. Requests for full analytical runs, retroactive process reviews, or even third-party audits find us prepared, since all documentation and technical staff remain internal.

    Direct relationships foster transparency both ways. Over the years, customer chemists have shared their real-world experiences, positive and negative, about application challenges. This is crucial for us, as real-life use sometimes highlights nuances missed in strictly in-lab settings. Such openness rarely occurs with a supply chain obscured by third parties.

    Time and again, organizations with traceability targets or regulatory scrutiny prefer working with us for their 1-Phenylnaphthalene needs because the data and expertise come directly from the source. No roundabout explanations, just answers straight from the manufacturing floor.

    The Shifting Market and Looking Ahead

    The market for 1-Phenylnaphthalene continues to evolve. Several years back, nearly all our output flowed to fine chemical intermediates for dyes and colorants. Now, requests increasingly come from technology firms advancing organic LEDs, sensors, or high-value coatings. This new demand requires ongoing investment in both process reliability and analytical clarity. As the applications shift, so must the skill set—greater familiarity with electronics-grade handling, for example, or knowledge of the purity demands in pharmaceutical research.

    Addressing such needs starts upstream, with training new staff on legacy synthesis tools and modern data handling. Lab teams routinely review literature and customer feedback, integrating both into process R&D and routine operation. With each innovation or recurring client demand, our facility adapts, making both incremental and step-change improvements where necessary. Our colleagues’ technical conferences often highlight advances around alternative naphthalene derivatives, but the stability and reproducibility of 1-Phenylnaphthalene continue to win reliance among those who operate on strict performance schedules.

    Recently, we’ve also noticed a growing concern about supply chain transparency and environmental credentials. To address this, our plant management documents all sourcing and energy use associated with each batch, verified by independent third-party audits. This diligence offers our customers peace of mind and satisfies both internal and external sustainability requirements.

    Potential Solutions to Production and Application Challenges

    Like any specialty aromatic, challenges emerge during both production and end use. One recurring issue is minimizing trace byproducts. Our approach involves refined distillation equipment, routine solvent change-outs, and real-time impurity modeling using historical processing data. Whenever a customer returns with reaction interference—usually caused by micro-contaminants—we compare both batch records and user process notes to identify and address root causes.

    Another frequent challenge relates to storage and transportation. Given 1-Phenylnaphthalene’s sensitivity to light and air, we use both UV-blocked containers and inert-atmosphere techniques for high-purity batches. Customer education supports stable storage practices: dry, cool, and away from reactive chemicals. In rare cases where customers store material beyond standard periods, additional quality controls—like spot NMR or GC checks—help confirm continued integrity.

    For users working at laboratory scale or moving into pilot production, we offer direct technical support on melting, dissolution, and downstream reaction conditions. This includes shared learnings from previous industrial workflows. Many academic groups, for instance, benefit from knowing not only standard solubility figures, but also tricks for optimizing reaction yields or minimizing side reactions linked to batch history.

    Conclusion: The Value of Manufacturer Insight

    Having managed 1-Phenylnaphthalene production for years, my perspective centers on a firm belief: in-house experience trumps generic descriptions. Any bottle or drum leaving our plant reflects a network of real decisions, process learning, and customer dialogue. Through technical support, process transparency, and continued investment in both staff and technology, we ensure this key aromatic intermediate continues to support innovation across its widening range of users.

    Choosing 1-Phenylnaphthalene from a recognized manufacturer isn’t just a supply decision; it’s a commitment to both reliability and growth. The chemical’s proven track record for stability, purity, and chemical reactivity means researchers and industrial chemists alike have a dependable foundation for progress. Our ongoing engagement with all steps of the value chain—backed by technical expertise and practical oversight—forms the basis for every successful application of this versatile aromatic.