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5-Methylbenzoxazole

    • Product Name 5-Methylbenzoxazole
    • Alias 5-Methyl-1,3-benzoxazole
    • Einecs 210-693-8
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    473304

    Compoundname 5-Methylbenzoxazole
    Molecularformula C8H7NO
    Molecularweight 133.15 g/mol
    Casnumber 1477-39-4
    Appearance Colorless to pale yellow liquid
    Meltingpoint 36-39°C
    Boilingpoint 237-239°C
    Density 1.108 g/cm3
    Solubility Slightly soluble in water
    Purity Typically ≥98%
    Flashpoint 93°C
    Iupacname 5-methyl-1,3-benzoxazole
    Smiles CC1=CC2=NC=CO2C=C1
    Refractiveindex 1.619 (20°C)
    Storagetemperature Store at room temperature

    As an accredited 5-Methylbenzoxazole factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 5-Methylbenzoxazole comes in a 100-gram amber glass bottle with a tight screw cap and hazard labeling for safe storage.
    Shipping 5-Methylbenzoxazole is shipped in tightly sealed containers, compliant with local and international chemical transport regulations. The containers should be kept in a cool, well-ventilated place, away from incompatible substances and ignition sources. Proper hazard labeling and documentation must accompany the shipment to ensure safety and traceability during transit.
    Storage 5-Methylbenzoxazole should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and direct sunlight. Keep the container tightly closed when not in use, and store separately from oxidizing agents and strong acids. Use chemical-resistant containers and ensure appropriate labeling. Follow standard laboratory safety procedures for storage of organic chemicals.
    Application of 5-Methylbenzoxazole

    Applications of 5-Methylbenzoxazole in Industrial Manufacturing

    As a specialized manufacturer of 5-Methylbenzoxazole, we supply this intermediate for critical industrial sectors. Our product meets the stringent requirements of regulated downstream applications. Each section below outlines targeted uses, compliance, formulation standards, process specifics, and the varieties of finished products made possible by our material.

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

    Pharmaceutical companies incorporate 5-Methylbenzoxazole as a building block during multi-step synthesis routes for select APIs, particularly where the benzoxazole moiety forms part of anti-infective, anti-inflammatory, or CNS drug candidates. Process chemists introduce the compound at defined stages using closed-system reactors under GMP environments, ensuring precision in stoichiometry and impurity control to meet global medicinal standards.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US FDA 21 CFR Part 211 (Finished Pharmaceuticals)
    • European Pharmacopoeia (Ph. Eur.) relevant monographs
    • Japanese Pharmacopoeia Section II (if for JP market)

    Typical usage ratio

    • 0.5–3.5% molar equivalence in multi-step routes, adjusted based on target molecule and yield optimization

    Downstream process integration

    • Added as an advanced intermediate during key coupling, cyclization, or substitution steps, requiring batch or continuous stirred reactors

    Final product types

    • Finished APIs with benzoxazole functionality
    • Anti-infective tablets and capsules
    • Anti-inflammatory drug substances
    • CNS-active compounds for neurological therapies

    2. OLED Materials Synthesis for Electronic Displays

    5-Methylbenzoxazole is used in the production of emissive layer materials and charge-transport compounds for OLED (Organic Light Emitting Diode) applications. Specialty chemical engineers design formulations to tune optical properties and electron mobility by adjusting the methylbenzoxazole content, integrating this material via specialized high-temperature, inert-atmosphere processes under tight quality assurance protocols common in electronics manufacturing.

    Industry compliance standards

    • RoHS Directive (2011/65/EU) for hazardous substances control
    • IEC 62474: Material Declaration for Products of and for the Electrotechnical Industry
    • ISO 9001:2015 Quality Management Systems for electronics chemicals
    • Cleanroom manufacturing ISO 14644-1 (where purity directly affects display performance)

    Typical usage ratio

    • 0.1–1.2% by volume in organic emitter and host formulations; adjustments based on emission wavelength and charge transport requirements

    Downstream process integration

    • Formulated into organic layers through vacuum deposition or solution processing prior to device encapsulation

    Final product types

    • OLED panel materials for smartphones and televisions
    • Emissive compounds for solid-state lighting
    • Thin-film organic transistors for next-generation display modules
    • Customized optoelectronic components

    3. Dye and Fluorescent Brightener Manufacturing

    Colorant and optical brightener producers use 5-Methylbenzoxazole in the synthesis of specialty dyes and brightening agents, especially for high-performance textiles and plastics. The compound's structural features support intense fluorescence and color-fastness, entering the process during condensation reactions or as a core substructure in multi-component dye assemblies. The adjustment of its proportion critically influences the absorption and emission spectra in the end-use applications.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006
    • Oeko-Tex Standard 100 (textile applications)
    • EN 71-3:2019 (safety of toys for dyes in plastics)
    • ISO 14001:2015 (environmental management for dye manufacturing)

    Typical usage ratio

    • 1.5–6% weight basis in dye syntheses; modified based on required fluorescence intensity and lightfastness in the final matrix

    Downstream process integration

    • Introduced as a primary nucleophile in aromatic condensation or heterocyclic ring formation steps during dye finishing

    Final product types

    • Optical brightening agents for paper and detergent industries
    • Fluorescent dyes for textile fibers and plastic films
    • High-performance pigment dispersions
    • Security inks with anti-counterfeiting properties

    4. Agrochemical Intermediate for Pesticide Formulations

    Chemical formulators integrate 5-Methylbenzoxazole as a critical intermediate in synthesizing various agrochemical actives, particularly for pesticide molecules possessing heterocyclic frameworks. Downstream manufacturing employs tightly controlled reaction conditions, with this intermediate enabling further substitution or ring expansion for enhanced bioactivity and environmental stability. Compliance with regional pesticide regulations is essential to guarantee marketability.

    Industry compliance standards

    • FAO/WHO Specifications for Chemical Pesticides
    • ISO 9001:2015 (agrochemical production quality control)
    • US EPA 40 CFR Part 158 (data requirements for pesticide registration)
    • China GB 2763 (pesticide maximum residue limit standard)

    Typical usage ratio

    • 1–4% molar basis within core intermediate syntheses, proportional to final pesticide structural requirements

    Downstream process integration

    • Charged at early heterocyclic build-up stages, enabling further halogenation, alkylation, or coupling as required in active formulation lines

    Final product types

    • Finished pesticide actives for cereal, fruit, or vegetable protection
    • Herbicidal agents with benzoxazole units
    • Insecticidal premixes
    • Fungicides formulated for post-harvest crop treatment

    5. Polymer Additive Synthesis for Engineering Plastics

    Material scientists in the plastics industry introduce 5-Methylbenzoxazole during the synthesis of specialty additives that enhance flame retardancy, UV resistance, or dielectric properties in engineering resins. It functions as a modifier or chain segment in thermoplastic or thermoset resins, entering polymerization reactors or extrusion compounds with defined chemistry to ensure predictable final performance according to customer and regulatory demands.

    Industry compliance standards

    • UL 94 Flammability Standard for Plastics Materials
    • EN ISO 1043-1: Plastics — Symbols and abbreviated terms
    • RoHS Directive for electronics-grade additives
    • ISO 9001:2015 for QC of plastics production

    Typical usage ratio

    • 0.3–2.1% weight basis as an additive or monomer feed, adjusted for performance specification and end-use certification

    Downstream process integration

    • Dosed into polymer reaction vessels or melt-blend systems before molding or extrusion, often under inert gas or reduced pressure

    Final product types

    • Flame-retarded polyamides and polyesters
    • UV-stabilized engineering resins for automotive parts
    • Dielectric plastics for connectors and circuit enclosures
    • Structural components for high-performance applications
    Free Quote

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    Certification & Compliance
    More Introduction

    Introducing 5-Methylbenzoxazole: Reliable Synthesis Rooted in Experience

    Manufacturing 5-Methylbenzoxazole right at the source means controlling each stage of production, from raw ingredient selection through finishing and packaging. Our process focuses on purity, consistency, and supplying reliable batches to partners across multiple industries. This approach rests on years of firsthand troubleshooting in fine organic synthesis, which means there is nothing left to guesswork when it comes to chemistries prone to side reactions, trace contamination, or moisture variability. We have learned the nature of benzoxazole derivatives like this one by making them in our own reactors, taking samples batch by batch, learning how to prevent overalkylation, and adjusting filtration for maximum yield with minimal downstream waste. This direct experience makes a difference, especially when customers need analytical clarity, not just generic assurance.

    Product Profile: From Raw Material to Final Crystal

    Our 5-Methylbenzoxazole offers consistent white to pale off-white crystalline appearance, reflecting careful control of both precursor purity and temperature during synthesis. Over the years, we have noticed that seemingly minor impurities early in the process can introduce measurable issues in downstream applications—especially in pharmaceutical, dye, or specialty polymer projects that require tightly bounded specification sheets. By starting with precisely sourced ortho-aminophenol and high-grade acetic acid derivatives, and managing the cyclization conditions without shortcuts, we've succeeded in producing high-purity 5-Methylbenzoxazole that meets not only laboratory but also large-scale industrial requirements. These practices lead to batches easily passing standard purity tests such as HPLC or GC-MS analyses, with actual readings yielding minimal residual solvents and exceptionally low halogen content, compared with “off the shelf” alternatives that often miss these benchmarks.

    Usage and Application: Insights from the Production Line

    The bulk of 5-Methylbenzoxazole we provide travels directly to chemical R&D departments, pilot plants, and process engineers scaling up new concepts in dyes, pharmaceuticals, and advanced materials. Through years of feedback and direct support, certain patterns stand out—this intermediate transforms predictably in electrophilic substitution reactions, making it a go-to building block for heterocyclic frameworks with methyl-substituted sites. Researchers synthesize active pharmaceutical ingredients or explore new photoactive compounds when they need a heteroaromatic ring system resistant to hydrolysis yet receptive to further substitution. In polymer chemistry, this molecule forms the basis of functional monomers or chain extenders, lending unique properties such as thermal stability and UV resistance that compounds with unsubstituted benzoxazole or alternative alkyl positions cannot match. Every request for technical input is met with evidence from our own QC records, not merely abstract reference lists or generalized answers from secondary sources.

    Living with Regulatory Realities: How We Ensure Safety Without Delay

    Modern chemical supply faces rigorous scrutiny at every border, and the trend points only toward tighter documentation, increased traceability, and the ongoing need for clear, accurate data. We respond by preparing well-documented Certificate of Analysis sheets reflecting live batch data, and we keep everything traceable to the reactor and shift date. Our safety documentation is rooted in the same openness—MSDS records rely on up-to-date occupational hazard assessments and lessons learned from real operations in our own facilities, not simply boilerplate text harvested from global repositories. This means no surprises down the line for EHS teams when they receive our product, and it helps partners meet local regulatory inspections with confidence. By moving each batch through in-house impurity testing, we have a practical record to support every claim—so when there are questions about reactivity risk or shelf life, our staff responds with details from real shipments, not just theoretical best practices.

    What Sets 5-Methylbenzoxazole Apart from Similar Compounds?

    Comparisons with other benzoxazole derivatives come up often, and having manufactured everything from unsubstituted benzoxazole to a range of alkylated variants provides us with solid ground for honest comparison. The methyl substituent at the five position changes not only the physical properties of the crystal—slightly higher melting point, increased oil solubility—but also the way the compound behaves in both bulk and surface chemistry. Our chemists have direct observation of stability during storage, resistance to oxidation, and suitability for purification by common techniques such as recrystallization or preparative HPLC. Where benzoxazole itself may fall short in providing steric hindrance or fail to impart specific photophysical properties, the methyl group at the five position gives engineers an alternative pathway, especially valuable for tailoring exact properties in optoelectronic material and pigment synthesis. Behind these distinctions are real-world side-by-side batch results and post-mortems on process efficiency, not just supplier data sheets. This deeper record lets us advise on formula substitutions, troubleshooting, and long-term storage from the standpoint of actual outcomes in commercial settings.

    Quality Confidence Through Transparent Manufacturing

    Each load of 5-Methylbenzoxazole follows rigorous in-house testing, shaped by both evolving client demands and our own lessons gathering dust in archived lab notebooks. We have run countless variations of thermal cycling, stress testing for shelf life, and purity tracking under different storage conditions, well before shipping our first drums to customers. This routine draws on working partnerships with material developers who have needed consistent and reliable intermediate properties in their day-to-day manufacturing—no need for inconvenient workarounds when a batch checks every box. Rework rates stay low because process control never takes a back seat to cost. As standards shift across the globe, we update our processes proactively and invite technical audits that affirm our material’s consistency and safety claims, giving partners fewer headaches in their own compliance reviews. For decision makers and plant chemists assessing new suppliers, these details matter. We do not hide behind mystery codes or delayed sample shipments; the data is current, open, and tied to the actual lot numbers in inventory.

    Challenges and Real-World Solutions

    In chemical manufacturing, every new technical shift brings a wave of challenges. Scale-up from pilot to production levels sometimes reveals small issues that only become apparent under full demand—blockages from fine crystalline slurries, inconsistent sparging gasses, or tiny changes in reactor headspace affecting methylation efficiency. Working through those quirks, our team has built a robust process that delivers 5-Methylbenzoxazole by minimizing these risks at the root. Even the washouts at the end of the run receive fresh scrutiny, removing the trial-and-error downtime other producers accept as inevitable. When a partner needs higher throughput or a tighter impurity spec, our technology and know-how flex to match these needs. Input from years of troubleshooting in large vessels—sometimes during nights spent tracking down the source of organoleptic off-odors, sometimes while resolving safety stumbles before a QA deadline—feeds today’s confidence in each shipment labeled and sealed at our facility. Solutions do not come from reading manuals; they come from mistakes, corrections, and shared learning with customers who face the same pressure to hit market windows or regulatory deadlines.

    Environmental Sustainability: Doing the Work, Not Just Words

    Responsible production means more than a compliance certificate. We have invested in safe solvent recovery, energy monitoring, and proper filtering of aqueous outflow. Choices about process conditions often begin at the molecular level—selection of the methylation pathway means controlling byproducts and simplifying downstream treatment. Where possible, process solvents circulate in closed loops, not the open drains that used to define old industrial setups. Our operations team works face-to-face with environmental auditors to ensure site-specific expectations are met, not just general guidance. Lessons from early production runs have shaped a commitment to progressive reduction of waste and a strong preference for easily handled, less toxic reagents. This becomes visible to customers by a clean certificate, minimal shipment losses, and no last-minute surprises in transport. The push toward green chemistry never ends, and we have tackled these challenges by making smart chemistry choices and keeping equipment up to date, not just listing eco-friendly buzzwords on websites. Chemical manufacturing always means real-world tradeoffs, and our goal is to keep improving these choices, batch after batch.

    Technical Support Rooted in Manufacturer Experience

    Manufacturing 5-Methylbenzoxazole in-house equips our team to advise beyond the basics. When material scientists and synthetic chemists call for input, they find they are speaking to people who have made the compound themselves—people who understand troubleshooting spectroscopic signals, managing batch variability, and interpreting unexpected side products. This commitment to sharing technical knowledge comes from repeated requests for honest, grounded advice as much as it does from formal certifications or regulatory drivers. We back process recommendations with our own control data, giving formulators and operators the details they need to solve the daily challenges of working with a sensitive intermediate. Continuous improvement, tight documentation, and best practices grow from lived experience running production lines, not simply copying what works for other chemicals or passing on generic instructions from aggregator sites. This approach helps engineers plan confidently for both routine and cutting-edge applications, informed by years grappling with the unpredictable sides of heterocyclic synthesis.

    Future Directions: Innovating with Our Customers

    Looking ahead, 5-Methylbenzoxazole demand reflects trends in advanced materials, specialty dyes, and next-generation pharmaceuticals. Our relationships with R&D teams have led us down paths that push the limits of existing technology—whether optimizing the compound for increased solubility, purifying for high-sensitivity analytical standards, or enabling new reaction mechanisms that leverage the methyl group’s influence. Moving forward, we plan to invest further in scaling production techniques that reduce cycle time and energy draw, as lab feedback consistently points toward timely deliveries as a critical need. Partnership involves both flexibility and transparency—frequent communication, fast response to technical queries, and willingness to ship trial amounts ahead of schedule to support urgent research projects. Our knowledge base continues to grow in pace with the market’s needs, and every batch shipped adds to a real-world record of success and problem-solving. As chemical applications broaden, close ties with customers ensure we keep delivering materials that fit both the ambition and reality of their projects.

    Practical Difference: Why End-Users Trust Our 5-Methylbenzoxazole

    Year after year, repeat users cite our direct communication and pragmatic support as their reasons for coming back. Orders rarely get tangled in outsourced speculation or speculative promises. Every shipment remains traceable to the actual shift and synthesis records, available for technical review on request. Concerns from EHS or QA never pass through generic call centers or opaque external brokers; they receive prompt, engineered answers from the same teams responsible for making and testing the compound. Laboratories and pilot plants report smoother scale-up, better reproducibility, and fewer headaches compared with unpredictable “commodity” intermediates. We view every batch as a reflection of our commitment to doing things right from start to finish—not just achieving a spec, but embodying a record of proactive support, sustainable decisions, and a real-world understanding of the demands faced by today’s manufacturers and developers.

    Conclusion: Commitment in Every Crystal

    Producing 5-Methylbenzoxazole is a living process honed by years of work with real feedback and evolving standards. Each batch embodies our direct experience—making, testing, learning, and improving. Partners depend on this reliable foundation for everything from routine syntheses to ambitious product launches, and our focus on hands-on solutions—never cut corners nor passing vague assurances—sets a standard that end-users can count on. Our story is present in every shipment, in every technical recommendation, and in every adjustment made to simplify the chemical world for our partners. That’s the value of working directly with an experienced manufacturer—certainty, knowledge, and quality from the first step to the last drum sealed.