Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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Etocrilene

    • Product Name Etocrilene
    • Alias Uvinul N-539
    • Einecs 406-040-9
    • 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

    120169

    Cas Number 5232-99-5
    Molecular Formula C17H18O3
    Molecular Weight 270.33
    Iupac Name 2-ethylhexyl 4-(dimethylamino)benzoate
    Appearance Clear, yellowish liquid
    Melting Point -5°C
    Boiling Point 178°C at 10 mmHg
    Solubility In Water Insoluble
    Primary Use UV absorber in sunscreens
    Synonyms Octocrylene, Uvinul N539
    Density 1.011 g/cm³
    Flash Point 192°C

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

    Packing & Storage
    Packing Etocrilene is typically supplied in a 500g amber glass bottle with a tamper-evident seal and a detailed safety label.
    Shipping Etocrilene should be shipped in tightly sealed containers, protected from light, moisture, and extreme temperatures. It is generally transported as a non-hazardous substance under standard conditions, but shipping documents should indicate its chemical identity. Handle with appropriate personal protective equipment (PPE) to prevent prolonged exposure during transit and storage.
    Storage Etocrilene should be stored in a tightly closed container, protected from light and moisture. Keep it in a cool, well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Avoid excessive heat and direct sunlight. Ensure that storage areas are clearly labeled and that only trained personnel have access to the chemical.
    Application of Etocrilene

    Applications of Etocrilene in Industrial Manufacturing

    Etocrilene serves as a specialty UV absorber in polymer and coatings industries, supporting manufacturers in demanding production environments worldwide. The following downstream use scenarios reflect actual market adoption by large-scale processors targeting high-value finished goods.

    1. Sunscreen and Personal Care Formulations

    Cosmetic and personal care manufacturers integrate Etocrilene as a UVB filter in water-resistant sunscreen lotions, sprays, and hybrid SPF products. It provides precise photostability and balances protection profiles in modern formulations where regulations restrict certain chemical UV filters. Etocrilene enters composition at critical blending phases, ensuring uniform dispersion and stable SPF performance through standard production cycles, including high-speed mixing and emulsion polymerization. Producers rely on documented photostability data to justify label SPF claims and use Etocrilene in compliance with maximum allowable dosages in regional markets.

    Industry compliance standards

    • EU Regulation (EC) No 1223/2009 on Cosmetic Products
    • U.S. FDA 21 CFR 352 Sunscreen Monograph
    • SCCS (Scientific Committee on Consumer Safety) safety assessments
    • China Safety and Technical Standards for Cosmetics (2023 Edition)

    Typical usage ratio

    • 1.0–3.0% by weight in sunscreen products; dosage adjusted for regional regulatory limits and desired SPF factors

    Downstream process integration

    • Added during pre-emulsification cooling phase or late-phase homogenization to sunscreen base
    • Solubilized with emollients or co-solvents when formulating clear gels or sprays
    • Incorporated into bulk intermediate tanks under nitrogen to minimize photodegradation
    • QC testing for UV transmission performed pre- and post-filling to validate filter performance

    Final product types

    • SPF30/50 sunscreen lotions (creams, sticks, mists)
    • Protective face moisturizers with daylight shielding
    • Beach and sports sunblock sprays
    • UV-protection lip balms and after-sun repair products

    2. UV Stabilization in Polyolefin Films

    Major film conversion plants use Etocrilene as a UV stabilizer to increase weathering resistance of polyolefin-based films for agricultural, packaging, and construction markets. Its absorption spectrum allows extended service life for thin and blown films subject to continuous outdoor exposure. Etocrilene enters the compounding stage before polymer melt processing, ensuring uniform dispersion via high-shear twin-screw extrusion. Film manufacturers apply inline spectral transmission and migration testing to guarantee standards compliance and product traceability.

    Industry compliance standards

    • EN 13206:2021 (plastic films for agricultural ground covers and tunnels)
    • ASTM D3895 (Oxidative Induction Time of Polyolefins by DSC)
    • Global Food Contact (EU 10/2011, FDA 21 CFR 177.1520 for polyolefin use in packaging films)
    • REACH Annex XVII (Restriction of hazardous substances in polymers)

    Typical usage ratio

    • 0.2–0.6% by weight in masterbatch concentrates; final dosage in films adjusted based on UV exposure duration and film thickness

    Downstream process integration

    • Metered into resin feed with stabilizer masterbatch at the pre-extrusion hopper
    • Dispersed in molten polymer matrix prior to blown or cast film extrusion
    • Quality sampling from web rolls for UV-resistance aging (QUV testing) and migration checks for food contact compliance
    • Traceability batch documentation completed before shipment to convertors and end users

    Final product types

    • Greenhouse and mulching films
    • Food packaging overwraps
    • Construction damp proof course films
    • Outdoor use polyethylene tarpaulins

    3. Durable Automotive Coatings and Finishes

    Automotive OEMs and Tier 1 suppliers utilize Etocrilene as a critical UV absorber additive for clearcoats and topcoats on exterior auto parts and body panels. Its integration protects painted surfaces from photodegradation, yellowing, and gloss loss over the vehicle’s service life. Etocrilene enters the coating formulation during pigment and additive blending, where strict particle size and compatibility controls apply. Automotive paint plants monitor binder and additive ratios through high-shear dispersion stages, validating UV stability with weatherometer and salt-spray testing under ISO and ASTM standards.

    Industry compliance standards

    • ISO 2812-2/2022 (Paints and varnishes, exposure to natural weathering)
    • SAE J1960 (Accelerated Exposure of Automotive Materials)
    • VDA 621-415 (Weathering test for exterior automotive coatings)
    • OEM-specific technical approvals (e.g., Volkswagen TL 226, Renault D47 1801)

    Typical usage ratio

    • 0.2–1.2% in topcoat formulations by total solids; level tailored based on clearcoat crosslink chemistry and targeted UV-A/UV-B protection

    Downstream process integration

    • Pre-mixed with other UV absorbers and hindered amine light stabilizers in additive phase
    • Incorporated into resin or binder component before final letdown in paint mixing tanks
    • Process includes pre-filtering to remove particle agglomerates ahead of robotic spray application
    • Paint lines run final color, gloss, and weathering tests on coated panels before batch release

    Final product types

    • OEM factory automotive clearcoats
    • Aftermarket repair topcoats and refinish paints
    • Plastic automotive trim and bumper coatings
    • Decorative metallic finishes for wheels and accessories

    4. UV-Filtered Optical Lenses and Safety Glass

    Specialty optics manufacturers incorporate Etocrilene to produce lightweight eyeglass and visor lenses offering increased UV protection within the visible light range. The compound supports manufacturers seeking to comply with ophthalmic and consumer safety standards, while enabling consistent optical clarity after curing. Etocrilene is introduced during the monomer batch preparation for polycarbonate or acrylic lens casting, dissolved completely to avoid occlusions. Final parts undergo spectrophotometric analysis and accelerated UV exposure testing to confirm product warranty levels, particularly for markets with mandatory UV blocking declarations.

    Industry compliance standards

    • ISO 12312-1:2013 (Eye and face protection — Sunglasses and related eyewear)
    • ANSI Z80.3 (Nonprescription Sunglass and Fashion Eyewear Requirements)
    • EN 166 (Personal eye protection – Specifications for safety lenses)
    • FDA 21 CFR 801.410 (Impact-resistant lenses for eyeglasses and sunglasses)

    Typical usage ratio

    • 0.05–0.3% by weight in polycarbonate or CR-39 monomers; dosage set for targeted cut-off wavelength and lens thickness

    Downstream process integration

    • Mixed with monomer and crosslinkers during lens batch synthesis, followed by vacuum degassing to remove microbubbles
    • Polymerized in lens molds under controlled temperature and UV curing cycles
    • QC inspectors use UV/Vis spectrophotometry to certify compliance before edging and final assembly
    • Post-production cleaning and anti-reflective coating application executed after full lens polymerization

    Final product types

    • Sunglass lenses
    • Prescription photochromic eyeglass lenses
    • Industrial safety glasses and face visors
    • Sports and cycling eyewear components
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    Certification & Compliance
    More Introduction

    Etocrilene: A Key Ingredient from the Perspective of the Manufacturer

    The Value of Etocrilene in Modern Formulations

    Etocrilene stands out in the world of specialty chemicals, particularly among UV absorbers. Our daily work as a direct producer offers a direct view of its performance, reliability, and role in different sectors. We focus on Etocrilene, also known as Octocrylene, for a reason: long-term stability, consistency in bulk processing, and real-world results matter more than textbook characteristics or promotional statements. The real test happens in manufacturing halls, where the product moves in vessels, blends with other actives, and forms an essential part of sunscreen, personal care, industrial coatings, and even adhesives.

    Model and Specifications from Our Production Lines

    Our facility runs batches of Etocrilene under rigid quality protocols. We maintain a purity above 98% through careful distillation and advanced quality assurance checks like GC and HPLC. Our product appears as a clear, pale yellow liquid, nearly odorless, and flows without resistance in standard transfer lines. Moisture content remains tightly controlled below 0.1% to avoid unexpected reactivity during blending. Standard packaging uses industry-approved HDPE drums or ISO tanks for bulk, which minimizes risks of contamination and product degradation during transport to formulation plants.

    Unlike Etocrilene sourced from smaller-scale traders that sometimes shows batch-to-batch color variation or trace solvents, our output guarantees consistent optical properties, which is especially important for transparent or lightly tinted formulations. Strict traceability follows from raw material receipt through to final drum, making it easier for our technical support to pinpoint and resolve any rare customer complaint or out-of-spec performance. This hands-on quality culture sets a different benchmark than generic material floating through bulk resellers.

    Understanding the Performance Advantages in Sunscreen

    Etocrilene entered the sunscreen market with a clear goal: long-lasting, photostable UVB protection. Chemists in our R&D department highlight its negligible loss of absorbance after 8 hours of simulated sunlight, in contrast to other UVB filters prone to breakdown or yellowing. Personal care formulators appreciate its role as a ‘booster’ for avobenzone, stabilizing the latter and prolonging SPF values in finished products. This synergy distinguishes Etocrilene from older UVB screens that struggle to play nicely with avobenzone or other actives.

    We see repeat customers selecting our Etocrilene specifically due to this stability, since reformulation caused by inferior photostability impacts entire product lines and creates significant regulatory headaches. Sunscreen is a demanding category, with hot-cold shipment cycles and complex phase compatibility requirements. Our quality teams respond by working with customers to adjust fatty alcohols, emollients, and fragrances around Etocrilene’s properties to ensure no migration, precipitation, or unexpected thickening occurs even after long-term storage tests.

    Industrial and Technical Uses Beyond Sunscreen

    The same UV-absorbing chemistry gives Etocrilene a job in coatings, plastics, and adhesives. In our workshops, coatings manufacturers often face an accelerated aging problem where standard films lose gloss or fade. Direct trials show that Etocrilene tackles that challenge by slowing photodegradation, especially in clear varnishes or exterior plastics. Unlike benzophenone-type UV absorbers, which show significant migration and leaching, Etocrilene binds tightly in cured films—this is based on multiple field returns and extensive QUV exposure testing.

    Our technical service team routinely helps plastics processors dial in the right dose of Etocrilene. Too little, and yellowing appears within months. Overdosing, and you see haze or loss of mechanical strength. We document these results in real-world QC logs rather than data-sheet assumptions, and this information guides both process engineers and product developers who want to avoid costly failures during high-UV stress deployments, like automotive interiors or outdoor polymers.

    There’s a growing demand for low-extractable, high-purity grades for sensitive electronics and medical applications. Our facility uses dedicated equipment lines to avoid cross-contamination from phthalates and other potential impurities, addressing concerns from manufacturers working with tight compliance and end-use safety requirements.

    The Manufacturing Angle: Why Purity and Consistency Aren’t Just Sales Points

    Day-to-day manufacturing is less about marketing and more about control. In our Etocrilene lines, each step from raw material selection through distillation and filtration is monitored not by automation alone but by operators who understand the batch profile, know the smell, viscosity, and visual appearance of a normal lot. This human expertise bridges the gap between specification and real-life performance.

    Technical support calls sometimes start with “we’re seeing yellowing at the line” or “stability drops after three months on shelf.” We pull retained samples, run fresh spectra, and track back to the impacted lot’s production logs. Chemical fingerprinting exposes impurity spikes or unusual moisture, making the difference between a costly recall and a fast, effective fix. Our in-house experience shows no substitute for tight batch control and transparent traceability; competitors who rely on anonymous blending or reselling rarely provide this level of reassurance.

    We often receive customer requests for documentation supporting vegan compliance, allergen absence, or heavy metal screenings. Rather than outsourcing these tests, our QC staff runs these analyses on the line, updating certifications quarterly, guided by direct feedback from regulatory audits and customer submission cycles. This investment saves downstream partners from time-consuming retesting or unexpected delays during market registration.

    Comparing Etocrilene to Other UV Absorbers—Why Formulators Choose Us

    The personal care and performance coatings industries offer plenty of UV filter options, each with strengths and weaknesses. Our interactions with formulators and plant managers highlight a few reasons for Etocrilene’s loyal following. Where benzophenone-based filters tend to migrate and cause potential regulatory headaches over endocrine disruption, Etocrilene carries a recognized safety profile and history of broad acceptance by authorities across Europe, North America, and much of Asia.

    Other options, such as homosalate or padimate O, do not match Etocrilene’s chemical stability or formulation versatility. These older filters sometimes cause precipitation or separate from the emulsion phase. Etocrilene’s compatibility with a wide range of oils and surfactants reduces headaches during pilot batch upscaling—a lesson we’ve picked up firsthand in our own application labs, supporting both large MNCs and emerging indie brands during their first launches.

    Zinc oxide and titanium dioxide, while effective as physical sunblocks, present very different challenges: unwanted whitening on skin, limited transparency in clear films, and incompatibility with some fragrance or dye systems. Customers leaning toward “naturals” sometimes move back to Etocrilene after testing other options that underperform on aesthetics, stability, or feel. These results matter: lost sales, reworking, and consumer complaints cost more than any savings gained by a lower-cost competitor material.

    Supporting Reliable Global Supply

    A lot rides on having product available precisely when needed. Our global partners in personal care, coatings, and plastics manufacturing rely on our factory’s consistency, not just in chemical quality but in timely, predictable delivery. We maintain buffer inventory, ship on fixed lead times, and offer real-time logistics checks. This discipline reflects lessons learned during past supply chain disruptions—a batch stuck at customs, tanker imbalances, or pandemic border slowdowns all remind us to double down on both local warehousing and nimble logistics. As a manufacturer, we solve these problems upstream, so our customers don’t have to make last-minute substitutions or halt their lines for want of a mission-critical ingredient.

    Direct lines to our plant managers—humans, not bots—make it easier for partners to share forecasts, flag urgent requirements, or clarify shipment documentation. Our technical and logistics teams share information rapidly, cutting down misunderstandings or bottlenecks. Product recalls, batch inconsistencies, or regulatory failures are rare and traceable because the product spends its life cycle within our control, not passed through layers of traders and brokers.

    Experience and Improvements in Application Development

    Our R&D and customer support staff engage in real-world formulation troubleshooting, beyond shipping out product samples. We run pilot batches, participate in stability and performance studies, and help partners resolve unexpected incompatibilities—making adjustments in emollient blends, surfactant ratios, or viscosity controls alongside their teams. This ongoing collaboration uncovers fresh application routes for Etocrilene—in nail enamels, hair styling products, and specialty coatings—expanding far beyond textbook recipes.

    Recent application trials explored next-generation water-resistant sunscreens. Our team optimized dispersant systems and film formers, showing that fine-tuning Etocrilene dosing delivers high SPF protection, even after multiple water exposures, without the sticky, heavy feel that consumers dislike. Another area of support comes with regulatory transitions, such as moving toward microplastic-free systems or responding to updated ingredient disclosure laws. Our internal compliance group keeps updated certificates ready, and helps customers retool their documents rather than leaving them to handle new rules alone.

    Environmental and Regulatory Considerations

    Regional and country-level regulatory agencies are paying closer attention to UV filters. Our process engineers invest in water and emissions management systems that not only limit waste but make compliance audits straightforward. Our effluent monitoring matches (and often exceeds) local discharge permits, keeping relations smooth with local authorities and community groups. These aspects may sound minor, but from inside a chemical factory, keeping ahead of environmental benchmarks is the only way to guarantee long-term supply and maintain partner trust.

    We work closely with regulatory consultants to compile complete and up-to-date safety data, which means downstream users don’t get caught by surprise during audits or new market launches. Wherever new guidance arises—California’s Prop 65 standards, the EU’s cosmetics regulations, or restrictions under REACH—our team stays ahead, updating registration and certification files ahead of deadlines. Customers appreciate not having to worry about supply interruption or reputational risk from a surprise non-compliance alert.

    Safety and Worker Training: Transparency from Plant to End User

    Our plant’s workforce represents decades of experience working with UV absorbers. Every shift undergoes updated safety drills, including leak simulations, fire response, and chemical exposure drills. All staff members have access to up-to-date safety data, instructional postings, and regular health checks. We believe strongly that the safety knowledge and well-being of our team reflect on the final product. Documented procedures around spill containment, PPE usage, and ergonomic handling aren’t just compliance exercises—they represent respect for every pair of hands touching the product from raw materials through to loaded drums.

    On the customer side, our technical support staff provide guidance not just on application details, but also on best practices for handling, mixing, and storage, always drawing from the lessons learned on our own mats and factory floors. Recent customer site visits have helped prevent cross-contamination, overexposure, and avoidable waste at partner facilities—a win-win for safety, cost, and reputation.

    Continuous Feedback Loop with Customers and End Users

    Modern chemical manufacturing only works when there’s a continuous flow of information between producer and downstream users. We operate with a philosophy of open dialogue, where customer complaints, technical hurdles, and even rumors from the field get prompt attention. If a batch displays cloudiness in transit, we collect impact data, analyze returned samples for degradation, and alter future packaging or stabilize addtives as necessary. We also use this feedback to guide process improvements—new filtration steps, anti-static liners, or even changes to our transport partners.

    One example comes from a large specialty coatings customer, who reported a subtle drop-off in outdoor weathering performance linked to trace solvent carry-over. Close review of in-process controls identified a temperature spike during the distillation cycle, which was then corrected through tighter process monitoring and an in-line condenser upgrade. End-user satisfaction grew, repeat business increased, and costly field returns dwindled as a direct result of listening, analyzing, and acting quickly on practical feedback.

    Supporting Claims with Practical, Traceable Results

    We back up every claim with test records and field data from long-term customers using thousands of tons of Etocrilene across product cycles. Accelerated stability tests, weathering trials, migration studies, and long-term storage assessments form the backbone of our recommendations. Every major production batch ships with supporting COA and compliance documents, drawn from our own in-house lab. Technical teams receive regular internal updates covering new customer use cases, problems encountered, and the results of solutions we implemented in partnership. This approach replaces vague promises with concrete, relevant, and verifiable facts.

    Striving for Better, Safer, and Sustainable Production

    We maintain active R&D investment aimed at reducing solvent use, energy consumption, and residual by-products in every batch of Etocrilene. Shifting to closed-loop recovery systems, improved reaction catalysts, and better waste minimization protocols helps protect both our people and the wider environment. Progress sometimes comes from outside: customer audits, industry best-practice seminars, and regulatory agency visits spark change and keep us evolving. Team members at every level—operators, shift supervisors, compliance managers—play a role in maintaining ethical, safe, and responsible production.

    Sustainability extends beyond paperwork. We actively seek input from stakeholders—community groups, regulatory bodies, and downstream brand owners—on where we can improve further. This transparency and willingness to adopt new methods has led to measurable gains: lower emissions, cleaner effluent, and improved staff retention. Partners find value in this attitude, knowing that their supply chain aligns with evolving global standards and their own corporate responsibility targets.

    Final Thoughts from Inside the Plant

    As Etocrilene producers, our reputation relies on product consistency and on building authentic, supportive relationships at every link of the supply chain—researcher, formulator, purchaser, plant manager, or sustainability officer. Every technical challenge, customer request, or regulatory change passes through real people with decades of expertise, who marry chemical knowledge with the realities of daily industrial production. Large or small, every batch of Etocrilene carries the weight of our values, our operational discipline, and our dedication to the success of our partners.

    Those interested in robust, well-documented, and high-quality Etocrilene seldom want an anonymous commodity. Manufacturing at scale, we keep sight of the smallest detail so that each recipient—cosmetics chemist, plastics specialist, or industrial coatings expert—can trust not just the certificate, but the hands and minds behind it. This shared journey to make better products, more safely and responsibly, forms the foundation for every drum, tank, and shipment that leaves our site.