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2-Naphthylacrylic Acid

    • Product Name 2-Naphthylacrylic Acid
    • Alias β-(2-Naphthyl)acrylic acid
    • Einecs 222-452-8
    • 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

    808034

    Cas Number 612-21-5
    Molecular Formula C13H10O2
    Molecular Weight 198.22
    Iupac Name 3-(naphthalen-2-yl)prop-2-enoic acid
    Appearance Light yellow to beige powder
    Melting Point 184-188 °C
    Boiling Point 410.3 °C at 760 mmHg
    Density 1.243 g/cm³
    Solubility In Water Slightly soluble
    Synonyms 2-Naphthylacrylic acid; β-Naphthylacrylic acid
    Smiles C1=CC=C2C=CC=CC2=C1C=CC(=O)O

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

    Packing & Storage
    Packing Amber glass bottle, 25 grams, screw cap, white label with black text: chemical name, formula, hazard pictograms, supplier, lot number.
    Shipping 2-Naphthylacrylic Acid should be shipped in tightly sealed containers made from compatible materials, protected from moisture and light. Transport must comply with local, national, and international regulations for chemical substances. Ensure the package is clearly labeled and accompanied by the appropriate Safety Data Sheet (SDS) for handling instructions and emergency procedures.
    Storage 2-Naphthylacrylic acid should be stored in a tightly sealed container, away from sources of moisture and direct sunlight, in a cool, dry, and well-ventilated area. Keep it separate from incompatible materials such as strong oxidizing agents. Label the container clearly, and ensure access is restricted to trained personnel. Follow all standard safety practices and regulations for chemical storage.
    Application of 2-Naphthylacrylic Acid

    Applications of 2-Naphthylacrylic Acid in Industrial Manufacturing

    Our 2-Naphthylacrylic Acid serves as a specialized intermediate in the synthesis of high-value materials across agrochemicals, specialty polymers, advanced dyes, and performance resins industries. This section outlines concrete downstream applications, regulatory requirements, functional integration in production, and typical formulation levels for each use case, based on customer process data and validated market experience.

    1. Selective Herbicide Intermediate Production

    Major agrochemical producers rely on 2-Naphthylacrylic Acid as a building block in the synthesis of naphthylacrylate-based herbicidal actives. This raw material reacts with chlorinating and etherification agents during multi-stage batch processing to yield selectivity-enhancing functional groups, allowing the herbicide final product to target broadleaf weeds with high crop safety. Our customers typically integrate it at the initial condensation step, and adjust charge ratios based on targeted final ester profiles and regulatory residue limits.

    Industry compliance standards

    • FAO/WHO JMPR Residue Limits for Pesticides
    • US EPA 40 CFR Part 180 Tolerances for Residues of New Chemicals
    • EU Regulation (EC) No 1107/2009 (Plant Protection Products)
    • China GB 2763 Maximum Residue Limits for Pesticides

    Typical usage ratio

    • 10–25% of total batch input (molar basis) in active synthesis step; adjustment by selected ester and process yield

    Downstream process integration

    • Charged at initial condensation or acylation reactor following pre-mixing with base catalyst, prior to halogenation for ester formation

    Final product types

    • Broadleaf selective herbicide actives (e.g., naphthylacrylate esters)
    • Formulated emulsifiable concentrates (ECs)
    • Herbicide suspension concentrates (SCs)
    • Ready-to-use granular herbicide products

    2. Reactive Dye Manufacturing for Technical Textiles

    Dyestuff manufacturers adopt 2-Naphthylacrylic Acid as a key aromatic moiety to impart high wet fastness and thermal stability in azo and anthraquinone reactive dye synthesis, catering to industrial and technical textile segments. Input streams include direct coupling with diazonium salts using acid/base controlled pH, followed by purification and spray drying steps. Color shade and migration properties are tuned by varying the acid ratio in the coupling stage.

    Industry compliance standards

    • Oeko-Tex Standard 100 Annex 6 – Dye and Auxiliary Material Substance List
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List)
    • REACH EU Regulation No 1907/2006 – Registration and Authorisation of Chemicals (Annex XVII, Azo Dyes)
    • ISO 105 Series (Textile Color Fastness Testing)

    Typical usage ratio

    • 12–22% based on total aromatic intermediate input; optimized according to required molar yields and shade depth

    Downstream process integration

    • Added to diazotization-coupling reactor, followed by solid-liquid extraction and color shade purification prior to granulation or spray-drying

    Final product types

    • High performance reactive dyestuffs
    • Technical textile dyes for polyester-cotton blends
    • Non-leaching fastness dye dispersions
    • Colorant concentrates for automotive or industrial textile applications

    3. Copolymer Synthesis for Photoresist and Electronics

    Producers of advanced copolymers utilize 2-Naphthylacrylic Acid to introduce pendant aromatic and carboxyl functionalities for specialty resins in photoresist formulations. The monomer is fed into free-radical or anionic solution polymerization reactors with co-monomers under rigorous moisture- and impurity-controlled conditions to achieve required molecular weight and narrow dispersity. Its functional groups support both crosslinking and adhesion on semiconductor substrates.

    Industry compliance standards

    • IPC-4101 (Specification for Base Materials for Rigid and Multilayer Printed Boards)
    • IEC 61249-2 (Materials for Printed Circuits)
    • JIS C 6471 (Photoresist Materials – Japanese Industrial Standards)
    • RoHS Directive (2011/65/EU) Limitation for Electronics Manufacturing

    Typical usage ratio

    • 5–18% of total monomer mix by weight, selected based on target resin film thickness, required acid number, and UV absorption profile

    Downstream process integration

    • Dosage into monomer feed, polymerized under nitrogen with temperature ramping and initiators; followed by in-line filtration and resin solution concentration

    Final product types

    • Photoresist polymer base resins for PCB manufacturing
    • Spin-on dielectric coatings for semiconductors
    • Advanced electronics encapsulant polymers
    • Negative tone and chemically amplified resist solutions

    4. Crosslinking Additive in High-Performance Thermoset Resins

    Manufacturers of industrial thermoset composites select 2-Naphthylacrylic Acid as a crosslinking and reinforcing agent in unsaturated polyester and vinyl ester resin formulations. Reactivity of the naphthylacrylic functional group enhances network density, mechanical strength, and thermal resistance of molded and laminated products. The acid is incorporated after pre-polymerization, reacting during the hot curing stage for maximal reinforcement without affecting gel or cure times unduly.

    Industry compliance standards

    • ASTM D638 (Tensile Properties of Plastics)
    • UL 94 (Flammability of Polymeric Materials)
    • ISO 527 (Plastics – Determination of Tensile Properties)
    • EN 13501 (Fire Classification of Construction Products)

    Typical usage ratio

    • 1–7% of total resin weight, fine-tuned according to required flex modulus and thermal endurance profile

    Downstream process integration

    • Post-polymer blend, introduced into oligomer melt after oligomerization, prior to fiber reinforcement and thermal curing in steel molds

    Final product types

    • Fiber-reinforced thermoset panels
    • High-heat automotive composite parts
    • Structural electrical insulating laminates
    • Corrosion-resistant chemical storage tanks and gratings
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    Certification & Compliance
    More Introduction

    2-Naphthylacrylic Acid: Trusted Performance Rooted in Manufacturing Know-How

    Experience Shaped by Years in the Chemical Industry

    Over decades in the chemical manufacturing sector, practical experience has formed our approach to every step in the creation of advanced organic building blocks. 2-Naphthylacrylic Acid is one product that constantly stands out in conversation with formulation chemists and process engineers for its unique balance of aromatic and acrylic functionality. Producing this compound at scale brings its own set of challenges: even small inconsistencies in process design or feedstock quality ripple downstream through purity, crystallization, and ultimately, end-user results. Relying on well-established purification and drying techniques, our process has matured through persistent review, always focused on the downstream needs of chemists and formulators. The result: batches of 2-Naphthylacrylic Acid built for reliability.

    Understanding the Compound and Its Uses

    2-Naphthylacrylic Acid, recognized by its structure where an acrylic acid group binds to the 2-position on the naphthalene ring, delivers a combination of rigidity and reactivity that few other molecules offer. The carboxylic acid moiety brings expected reactivity to condensation and addition reactions, while the naphthalene backbone imparts a level of thermal stability and aromaticity advantageous for specialty syntheses. This combination enables its use as an intermediate for synthesizing a range of more complex organic molecules—dyestuffs, specialty plastics, and even certain pharmaceutical scaffolds. Researchers and process operators prefer it when seeking a branching point where aromatic character amplifies subsequent properties or reactivity in the final molecules they design.

    Specifications Rooted in Practice: Purity, Particle Size, and Performance

    Through years of feedback from our partners, we’ve fine-tuned several specifications that govern each batch of 2-Naphthylacrylic Acid. Purity sits at the center; less pure material typically yields erratic results or introduces unknowns into otherwise predictable reactions. Analytical teams run every lot through high-performance liquid chromatography (HPLC) and nuclear magnetic resonance (NMR), aiming for near-complete purity (typically upwards of 99%) with strict controls on traces of naphthalene and other acrylic acid derivatives. Moisture content and particulate contaminants challenge every chemical manufacturer, and low moisture proves especially important to prevent hydrolysis or clumping over time—critical for storage stability in non-hygroscopic packaging. Consistent particle sizing supports those compounding solid dispersions or blending homogeneously with other materials; we routinely monitor and adjust milling parameters to strike an effective balance between flowability and dust minimization.

    How 2-Naphthylacrylic Acid Differs from Related Compounds

    Unlike many generic acrylic acids, 2-Naphthylacrylic Acid stands apart for its fused-ring structure, lending the final molecule not just bulk, but a distinct edge in crystallinity and resistance to UV-degradation. Where other mono-substituted naphthyl acids falter—particularly lower homologues or those substituted on the 1-position—2-Naphthylacrylic Acid offers unique pathway access to intermediates with improved yields and fewer side products. Its profile draws a clear difference from simple cinnamic acid derivatives, bringing both the rigidity of the naphthalene core and the synthetic entry point at an ortho aromatic position. In application trials, those pursuing organic electronics, specialty coatings, and dye chemistry report this molecule enables higher-performing features that smaller, less structurally rigid building blocks simply can’t deliver. As a manufacturer, we’ve learned the quirks: this compound resists certain catalytic side-reactions, reducing waste and saving time for customers refining new molecules.

    Manufacturing Lessons: Realities of Scaling Up

    No two production batches teach the same lessons. Demand for 2-Naphthylacrylic Acid often spikes in waves—driven by new research, regulatory approvals, or simply a shift in consumer product trends. Managing inventory so that aging and external contamination don’t undermine batch integrity keeps our technical staff sharp. Among the most noticeable process influences, temperature control during the acrylic acid addition to the naphthalene ring makes or breaks yield. Pushing the exothermic step too hard creates too many byproducts; slow, incremental addition with constant testing brings out clearer product with higher selectivity. Downstream, crystallization techniques rely on knowledge of solvent polarity and cooling rates learned the hard way: quick cooldowns trap solvent, while slower approaches yield solid, easily filtered crystals optimized for both recovery and further handling.

    Solvent choice frequently stirs debate on the shop floor. Our experience shows safer, more controllable solvents perform better overall—minimizing hazardous waste and reducing purification work. Reproducibility, not just theoretical yield, drives solvent selection in scale-up, even if that occasionally means more pragmatic solvents over exotic ones. Analytical chemists and operators review each run, keeping records to spot subtle trends before they grow into real quality risks. In-house know-how, earned from repeated cycling through the same reactions, is where manufacturing sets itself apart from trading or lab-scale synthesis.

    Applications Shaped by Direct Feedback

    Manufacturing rarely happens in a vacuum. Product development chemists, process engineers, and researchers repeatedly reinforce the importance of robust, predictable reagents. In dye chemistry, 2-Naphthylacrylic Acid frequently acts as a key intermediate, providing the aromatic core that binds to chromophores in ways less bulky linkers cannot. For researchers in the field of functional polymers, this compound’s rigidity allows for the production of materials with higher glass transition temperatures and improved stability against oxidation. Feedback cycles with our partners in these industries drive ongoing tweaks in process control and technical support. When an application calls for careful control over side-chain substitution on a polymer backbone or enhanced color-fastness, the naphthyl ring system and the ortho attachment consistently prove indispensable. Applications in pharmaceuticals, though more specialized, benefit from the aromatic scaffold as a recognizable pharmacophore, supporting research towards new actives or bioisosteres.

    Why End-Use Performance Matters

    Small differences in the production of 2-Naphthylacrylic Acid turn into meaningful variations for formulators. High-purity batches bring sharper melting points, more consistent reactions, and superior performance in downstream processes. In the dye industry, stray byproducts or excess moisture can interrupt color formation or reduce stability under light exposure. Polymer manufacturers count on free-flowing, lump-free powders that disperse rapidly without clumping—an advantage only careful drying and particle sizing provide. For pilot plant work or scale-up, reproducibility becomes the difference between successful product launches and stalled development programs. Maintaining close partnerships with downstream users—listening to their experiences and performance demands—helps us keep our technical standards on target.

    Quality Control Reflects Real Manufacturing Challenges

    High purity never emerges by accident. Cleanliness in raw material selection and handling, precisely timed reactions, and regular in-process analytics mark every shift on the factory floor. Analytical teams regularly troubleshoot for evidence of isomerization or residual solvent—tiny signals that make big differences for critical-use applications. Stable, air-tight packaging guards against moisture ingress; only hands-on training equips operators to spot small process drifts before products leave the plant. Real-world manufacturing tests involve running a batch for a specialty customer, sending samples for real-life processing, and then iterating on process tweaks based on what does or doesn’t perform as expected.

    Supply Realities: Adapting to Market Demands

    Markets for 2-Naphthylacrylic Acid reflect broader shifts in specialty chemical demand. New technologies drive periodic spikes, especially from research sectors exploring advanced functional materials. Maintaining a lean inventory during low-demand cycles prevents over-aging, while flexible scale-up protocols let us respond quickly as customers launch new projects. Economic volatility—whether caused by raw material prices or logistics disruptions—challenges planning efforts, but long-standing supplier relationships and optimized process design help ensure a stable and reliable flow. Manufacturing teams watch both global trends and what’s happening on the shop floor, making decisions with a blend of immediate practicality and long-term experience.

    Environmental Health, Safety, and Regulatory Commitment

    New regulations and increasing customer scrutiny place a greater emphasis on traceability, safe handling, and environmental responsibility. Hazards in naphthalene chemistry—the volatility, potential for dust, and risk of off-gassing—push manufacturing staff to remain diligent at every stage. Ventilation, dust collection systems, and regular air quality checks help keep the workplace safe. Waste minimization gets direct attention, with staff trained to isolate and neutralize process side streams. Where possible, greener solvents and reduced energy usage form an ongoing priority, not just for regulatory purposes, but for long-term operational health. Persistent improvement in process emissions, active recycling programs, and attention to operator safety have become part of routine manufacturing life, not just compliance requirements.

    Customer Centricity and Technical Support

    Direct discussion between manufacturing and customer technical groups forms the backbone of continual improvement. Every batch shipped carries a real-world history: process records, nuanced notes from shift leads, and the collective experience of those running the reactors. When customers call with issues or requests for custom sizing, purification approaches, or packaging solutions, in-house expertise allows rapid responses. No two production days present the same set of challenges, yet the goal remains unchanged: supply batches of 2-Naphthylacrylic Acid that work as expected, every time, in each specific end-use application. Tracing small process changes or troubleshooting a performance issue alongside a partner forms the feedback loop that keeps product quality resilient to changing technical requirements.

    Continuous Improvement Shaped by Manufacturing Reality

    Product specifications, process controls, and supply protocols are not static. Each improvement grows from the lived experience of manufacturing teams adapting to technical advances and real customer needs. Analytical results guide process changes; small adjustments in filtration, crystallization, or packaging ripple through to the next batch, feeding pragmatic innovation into standard operating procedures. Training for new operators carries the accumulated lessons of years, ensuring consistent product, improved safety, and efficient production cycles.

    Future Directions in Naphthylacrylic Chemistry

    Emerging applications in electronic materials, high-temperature polymers, and next-generation dyes push R&D labs to look for refined, specialty-grade intermediates. 2-Naphthylacrylic Acid’s chemical structure makes it a springboard for these advances. Drawing on years of technical and operational learning, we continue refining crystallization, purification, and packaging based on emerging customer targets and feedback. Feedback from innovators in both academic and industrial fields points the way, challenging manufacturing teams to improve what’s possible while ensuring supply remains as robust and dependable as ever.

    Conclusion: The Value of Manufacturing-Driven Perspective

    Making 2-Naphthylacrylic Acid is more than processing chemicals—it is a daily commitment to predictable quality, technical know-how, and practical adaptability. No shortcut replaces the value of lived manufacturing experience: understanding the reasons behind a process step, responding to the nuances of purity required for a breakthrough application, and recalling past lessons when troubleshooting. Respecting these details keeps customers’ lines running and research on track. As trends in chemical intermediates and specialty materials keep evolving, manufacturing adapts—not out of obligation, but because real-world success draws directly from real-world attention to detail at every scale of production.