|
HS Code |
520438 |
| Chemical Name | 2-(2H-Benzotriazol-2-Yl)-4-Methyl-6-(2-Methylprop-2-En-1-Yl)Phenol |
| Cas Number | 3896-11-5 |
| Empirical Formula | C17H16N3O |
| Molar Mass | 276.33 g/mol |
| Appearance | Light yellow powder |
| Melting Point | 132-135°C |
| Solubility | Insoluble in water; soluble in organic solvents |
| Uv Absorption Maximum | 303 nm, 344 nm (in ethanol) |
| Usage | UV absorber for plastics, coatings, and polymers |
| Stability | Stable under recommended storage conditions |
| Storage Conditions | Store in cool, dry, well-ventilated area |
| Synonyms | UV-5411, Tinuvin P |
| Density | 1.18 g/cm³ |
| Ec Number | 223-445-4 |
As an accredited 2-(2H-Benzotriazol-2-Yl)-4-Methyl-6-(2-Methylprop-2-En-1-Yl)Phenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500g of 2-(2H-Benzotriazol-2-Yl)-4-Methyl-6-(2-Methylprop-2-En-1-Yl)Phenol, sealed in an amber glass bottle with safety labeling. |
| Shipping | The chemical 2-(2H-Benzotriazol-2-Yl)-4-Methyl-6-(2-Methylprop-2-En-1-Yl)Phenol is shipped in tightly sealed containers, protected from light and moisture. It must be handled as a hazardous material, following federal and international regulations. Proper labeling, documentation, and safety measures are essential to ensure safe and compliant transportation. |
| Storage | Store **2-(2H-Benzotriazol-2-yl)-4-methyl-6-(2-methylprop-2-en-1-yl)phenol** in a tightly closed container, protected from light, moisture, and incompatible substances such as strong oxidizing agents. Keep in a cool, dry, and well-ventilated area, away from heat sources and direct sunlight. Follow all relevant regulations for chemical storage and ensure appropriate labeling. Handle with suitable personal protective equipment. |
Competitive 2-(2H-Benzotriazol-2-Yl)-4-Methyl-6-(2-Methylprop-2-En-1-Yl)Phenol prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615380400285
Email: sales2@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
In today’s polymer applications, stability under sunlight isn’t just a wish—it’s a need. 2-(2H-Benzotriazol-2-Yl)-4-Methyl-6-(2-Methylprop-2-En-1-Yl)Phenol, known in the industry as a high-performance UV absorber, has emerged from years of development and practical manufacturing experience. Many engineers face the challenge of balancing clarity, color, and strength in end products while ensuring outdoor materials resist yellowing or brittleness. This molecule serves as a linchpin for manufacturers committed to delivering plastics and coatings that age gracefully.
Our daily work involves refining this UV absorber at a scale designed for reliability. Batches are managed under controlled temperatures and monitored for purity—these details matter, because even minor fluctuations can compromise performance in the field. The chemical structure features a benzotriazole core, which plays a critical role in dissipating harmful UV radiation before it can crack polymer chains. Early studies in our own labs showed that integrating this UV absorber improved color hold and surface gloss on outdoor plastics in demanding climates, from sunbaked playground slides to stretched architectural films.
Consistent performance isn’t theoretical—it comes from routine, in-process controls. Polymers infused with our UV absorber form tough, smooth surfaces that hold up across multiple extrusion cycles. Our teams frequently check finished samples by exposing them to simulated sunlight; results show that the treated plastics retain more than 90 percent of their color after months of testing. Our product is made for thermoplastics such as polycarbonates and acrylics, along with ABS blends that often line automotive interiors and exteriors.
A defining characteristic of this compound involves the methyl and isopropenyl groups attached to the phenol ring, giving better compatibility with resin matrices. This translates to less haze and no clumping during polymer blending—factors that engineers appreciate while running continuous production lines. Engineers from window profile companies have told us they switched to this UV absorber after seeing too much yellowing with older phenolic stabilizers. The shift led to extended warranties and fewer field complaints on fading.
Reliable UV protection isn’t just about shielding white plastics from turning yellow. Transparent packaging films, outdoor signage, even synthetic leather, gain longer life cycles when UV degradation slows down. We’ve tracked many real-world applications where improved UV stability increased usable product life by two to three years, reducing re-installations and scrap waste. Some solar panel manufacturers now seek our UV absorber because of its strong absorption range in the 290–400 nm region, which covers most of the damaging UV light encountered in outdoor settings.
Our process delivers a fine, stable powder that disperses without leaving residue or interfering with process flow. Clean mixing translates to uniform protection. Feedback from partners in the masterbatch sector guided us to focus on moisture content and thermal stability in routine quality checks. Plastics containing our UV absorber often come out with higher gloss and better transparency after multiple reprocessing cycles, a direct result of efficient absorption and dissipation of UV energy into harmless heat.
Industry professionals sometimes ask why not use simple phenolic antioxidants or traditional hindered amine light stabilizers instead. While those chemistries have their uses, they don’t deal as directly with high-energy UV photons. Benzotriazole-based products, especially this methyl/isopropenyl-substituted phenol, intercept UV before it attacks the polymer backbone. We’ve conducted comparative studies where old-school absorbers left polycarbonates with more color shift and surface cracks within the first summer of exposure. Some blends even suffered uneven protection, leading to marbling and inconsistent part appearance.
During head-to-head runs on our pilot lines, this absorber showed higher resistance to extraction under water and soap washing than competitive grades. Feedback from the appliance sector—where exterior plastics meet cleaning chemicals—confirms that migration losses stay minimal. Some packaging companies, frustrated by efflorescence or fogging, now specify this grade because it stays locked into films and molded parts. Stability against plate-out and resistance to blooming add further assurance for manufacturers seeking zero-defect shipments, especially in clear and lightly pigmented parts.
Manufacturers face evolving demands around compliance and user safety. From our beginning, careful material selection and dedicated purification steps have allowed us to meet strict limits on impurities and heavy metals. This UV absorber fits the performance needs for outdoor applications, yet also meets migration and purity standards for food-contact materials in key markets. We routinely share analytical profiles with compounders looking to streamline regulatory assessments in North America and Europe. Each production lot features tight batch release criteria for purity and exclusion of regulated side products.
Worker safety counts too. By running dust management and closed transfer systems, exposure to fine powders stays below recommended thresholds. Our operators receive regular safety and handling training, helping us maintain a spotless track record for workplace health. Downstream, processors benefit from a product that flows well and adds minimal dust to compounding rooms, supporting both safety and quality goals.
This UV absorber finds daily use across profiles, sheets, and films destined for high-UV environments. In flexible packaging, its role deals mainly with clarity preservation—soft films exposed to grocery store lights demand longevity and customer-appeal. For PVC window sashes and other rigid profiles, it helps block embrittlement and cracking that otherwise lead to costly callbacks. Premium sunglass lenses and sports visors often build on blends enriched with our UV absorber, giving durable, color-stable products ready for repeated outdoor wear. We see routine orders from synthetic turf manufacturers, where color stability and performance under high heat matter to facility owners.
Masterbatch manufacturers turn to this product thanks to its stable handling, low volatility, and efficient loading in concentrates. Feedback often revolves around ease-in-mixing and zero impact on gloss or haze at medium to high typically loaded rates. Our experience has shown that stable dispersion helps business partners reduce process downtime. In hot melt adhesives, this UV absorber plays its part in extending service life, especially near glass or in direct-sun installations.
The impact of regular, real-world production experience can’t be overstated. Over the years, we have found that small tweaks in reactor timing, agitation speed, and solvent choice shape not only chemical purity but also product consistency from lot to lot. Our teams have worked through plenty of pilot runs to understand how flow properties, particle size, and residual volatiles affect downstream processing. These adjustments, made on real production lines—not on paper—let us offer a product line trusted by processors scaling up to industrial quantities.
Compared to commodity-grade benzotriazole absorbers, our product features an optimized melting point and precise particle distribution. This ensures smooth dosing even under automated feeding systems, reducing bridging and unexpected shut-downs. Customer feedback has driven several investments in blending and sieving stages, which give superior reproducibility on high-speed compounding extruders. Such steps grow out of close partnerships with automotive suppliers demanding zero visual flaws in exterior finish parts. As a result, downstream scrappage falls and customer satisfaction rises.
Durability connects directly to sustainability—and the plastics we protect make their way into products with real-world impacts. Longevity in use is one proven route to reducing the frequency of replacements. Several of our customers switching to this UV absorber have documented less plastic waste per installation cycle and fewer warranty returns. These reduced resource and energy demands support broader environmental goals. By raising weathering performance, the pressure for frequent repainting, recoating, or replacing sun-exposed parts decreases. In outdoor signage and vehicle trims, this brings clear resource savings over the long run.
Cutting down the need for additives during recycling runs represents another tangible benefit. Our trials in mechanical recycling systems show that plastics protected with this absorber retain more elasticity and color during repeat processing. This preserves material value and encourages the take-back and reuse of high-grade polymers. Circular economy models grow stronger as process control meets technical achievement.
Direct involvement with processors and end-users drives much of our product development. Over the years, conversations with converters struggling with yellowing, brittleness, or haze issues have shaped our approach to batch consistency and secondary purification. A major profile extruder once traced their uneven protection during accelerated QUV weathering studies to minor supplier lot variability. Upgrading to our absorber, with tighter lot-to-lot monitoring, produced instantly measurable improvements in output color and gloss stability.
This feedback loop never stops. Technical service staff often visit fabrication lines, watching for mixing behavior, checking surface finishes, and troubleshooting unexpected line stoppages. A converter making flexible PET films flagged an intermittent hazing issue—after a line visit and in-lab studies, an optimized drying stage for masterbatch pellets solved the problem. Learning travels both ways, giving us ideas for future formulation tweaks.
The plastics industry faces growing pressure to address both health and environmental impacts. Over recent years, we’ve increased our investment in trace impurity testing and compliance documentation. This is especially important for global companies shipping finished goods across borders, facing changing product standards and customer audits. Our regular engagement with trade groups keeps us current on what standards truly matter: low migration, food approval, and regulatory consistency. Vendor qualification has moved from a paperwork exercise to a hands-on, batch traceability-driven practice.
Meeting these standards isn’t a one-time fix, but an ongoing commitment. Each year, we update analytical equipment, reinforce in-process data management, and feed back downstream experiences into current procedures. For food-contact films and childcare goods, customers demand low odor, low volatility, and assurance that products meet both present and anticipated rules. Recent projects on low-migration compounds show how our purification strategies pay off under scrutiny; partners report fewer recalls and greater confidence delivering high-visibility products.
A chemical manufacturer’s responsibility doesn’t end with shipping out drums or bags of product. Product value grows from partnership—open exchange with processors, compounders, designers, and end-users. We regularly invite questions from partners who want to understand not only how to use this UV absorber, but to get better end results, improved process efficiency, or lower defect rates. This two-way dialogue has helped us fine-tune delivery forms, adjust batch size options, and even explore further blends for specialized plastics.
Real technical support means more than just sending data sheets. Our staff often visits customer plants, reviews actual process parameters, or runs lab-scale reproductions of field issues. Working with automotive interior suppliers, we learned how line speeds and screw configurations affect additive distribution—and refined production protocols so that this UV absorber maintains peak performance without clogging feeders or increasing downtime. Feedback about mixing flow, melt compatibility, and final part surface led us to improve both particle size distribution and packaging.
The field of polymer stabilization never stands still. Today’s sunlight-resistant polymer sheets will see tomorrow’s requirements for greater transparency, improved environmental profiles, and compatibility with high-recycled-content resins. We’re already channeling what we learn from existing customers into new synthesis and purification projects. New regulatory rules, especially restrictions on extractables or hazardous byproducts, shape every stage of product development. Our research teams focus closely on these challenges, adjusting process conditions for lower residuals and tighter conformance to future standards.
Producers of architectural and packaging plastics search for ways to run more sustainable, cost-effective operations without sacrificing critical properties. This has motivated us to explore further blends of benzotriazole absorbers with emerging polymer matrix additives. Real progress happens by working side-by-side with partners—iterating through plant trials, sharing direct results, and tackling practical problems on the shop floor. Solutions that last come not just from chemistry, but from ongoing engagement and real-world trials.
Experience from years of direct production teaches that no two applications or customer challenges are quite the same. Our ongoing work with 2-(2H-Benzotriazol-2-Yl)-4-Methyl-6-(2-Methylprop-2-En-1-Yl)Phenol draws on this accumulated knowledge. Application development, regulatory compliance, production consistency, and end-user performance all tie back to an approach grounded in on-the-ground experience and technical feedback. The result: reliable UV protection for polymers in demanding settings, ready to support the evolving needs of manufacturing and end-use industries alike.