|
HS Code |
618442 |
| Chemical Name | Mixture of isomers of 2-(2H-Benzotriazol-2-yl)-4-methyl-(N)-dodecylphenol; isomers of 2-(2H-Benzotriazol-2-yl)-4-methyl-(N)-tetracosylphenol; isomers of 2-(2H-Benzotriazol-2-yl)-4-methyl-5,6-didodecyl-phenol (N=5 or 6) |
| Appearance | Yellow to amber viscous liquid or solid |
| Molecular Formula | C13H13N3O + long-chain alkyl (typically C12, C24; N=5 or 6 variants) |
| Molecular Weight | Variable, depending on alkyl chain length (typically ~400 to 700 g/mol) |
| Solubility | Insoluble in water; soluble in organic solvents such as aromatic hydrocarbons and esters |
| Melting Point | Typically 60°C to 100°C, dependent on mixture composition |
| Boiling Point | Decomposes before boiling |
| Use | UV absorber, light stabilizer in plastics, coatings, and adhesives |
| Density | Approximately 1.0–1.2 g/cm³ |
| Stability | Stable under normal conditions; sensitive to prolonged UV exposure |
| Odor | Mild, characteristic aromatic odor |
| Cas Number | Mixture; specific components may correspond to different CAS numbers |
| Flash Point | Above 150°C (closed cup, typical) |
| Storage Conditions | Store in a cool, dry place |
As an accredited A Mixture Of: Isomers Of 2-(2H-Benzotriazol-2-Yl)-4-Methyl-(N)-Dodecylphenol; Isomers Of 2-(2H-Benzotriazol-2-Yl)-4-Methyl-(N)-Tetracosylphenol; Isomers Of 2-(2H-Benzotriazol-2-Yl)-4-Methyl-5,6-Didodecyl-Phenol. N=5 Or 6 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 1 kg white plastic drum with airtight screw cap, UN-rated, labeled with chemical name, hazard symbols, and handling instructions. |
| Shipping | This chemical mixture should be shipped in accordance with regulations for hazardous materials. Use UN-approved containers, ensuring they are properly labeled and sealed to prevent leaks. Handle with gloves and eye protection. Transport in a cool, dry place, away from incompatible substances, and include the appropriate Safety Data Sheet (SDS) documentation. |
| Storage | Store the mixture in a tightly closed, clearly labeled container in a cool, dry, and well-ventilated area, away from heat, sparks, open flames, and direct sunlight. Keep separate from strong acids, bases, and oxidizing agents. Ensure storage conditions minimize moisture exposure, and follow applicable local regulations for chemical storage to prevent leaks or spills. Use secondary containment if possible. |
Competitive A Mixture Of: Isomers Of 2-(2H-Benzotriazol-2-Yl)-4-Methyl-(N)-Dodecylphenol; Isomers Of 2-(2H-Benzotriazol-2-Yl)-4-Methyl-(N)-Tetracosylphenol; Isomers Of 2-(2H-Benzotriazol-2-Yl)-4-Methyl-5,6-Didodecyl-Phenol. N=5 Or 6 prices that fit your budget—flexible terms and customized quotes for every order.
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Day after day in our plant, we blend chemistry and experience to make materials that last in unforgiving environments. Among the most important classes in our portfolio are blends of isomers of 2-(2H-benzotriazol-2-yl)-4-methyl-(N)-alkylphenols. This group includes three distinct isomer families, each built on the benzotriazole nucleus but modified by varying the side chain with dodecyl, tetracosyl, or didodecyl groups, and with N values of 5 or 6. The direction here is simple: respond to the demands set by outdoor polymer, adhesive, coatings, and rubber manufacturers who ask for more than off-the-shelf light stabilizers.
Lab work tells us these molecules keep things from yellowing or breaking down in the sun. In production, we optimize their isomer mix so our finished batches bring the best performance at scale. We start with phenol, methyl groups, and hydrophobic alkyl chains, the backbone for chemical resistance and long service life. The different isomers—dodecylphenol, tetracosylphenol, and didodecyl-phenol derivatives—allow us to fine-tune compatibility with polyolefin matrices, engineering plastics, thermoplastic polyurethanes, and other polymers. The N = 5 or 6 value refers to the length of the alkyl substituent in the phenol ring, altering the melt flow, the solubility, and process compatibility.
Every year, we revise process parameters based on real-time feedback, ensuring that end customers get repeatable performance and tight property control. This is not a commodity equation—balancing yield and purity with the right isomeric distribution requires hands-on management, stable reactors, and ongoing tweaks to catalyst loading and feedstock timing. We're not a trader repackaging old stock; this is our chemistry from the ground up.
Makers of PE pipes, greenhouse films, building panels, and automotive trim depend on reliable UV stabilization. These isomeric benzotriazole blends extend useful product life, especially under the glare of harsh sunlight. Decades in the production halls taught us that slight variations in isomer distribution or alkyl chain length mean big differences in migration resistance or compatibility with plasticizers. The variety within this product family lets processors minimize blooming or exudation even at high loading levels, lowering product rejection rates and avoiding surface tack.
OEMs working with complex pigment systems, flame retardants, or secondary antioxidants look for a stabilizer that won’t interfere during compounding or post-forming. Our mixtures blend in and stay put, delivering both light screening and thermal stabilization. We’ve listened to the feedback from wire and cable, synthetic fiber, and elastomer lines—companies often report less chalking and better retention of mechanical properties, even after aggressive artificial weathering tests.
During scale-up, the performance of any UV absorber depends on purity, consistent isomer ratios, low volatiles, and high color stability. Our facility pushes each batch through fine filtration and careful solvent exchange to get the last traces of colored byproducts or residual monomers out. We've adapted our reactors to handle subtle viscosity shifts as the carbon chain grows longer (for the tetracosyl series), maintaining tablet and pellet integrity during granulation. Technicians who have handled every step from raw material loading to final inspection run these lines; each order reflects a standing investment in their know-how.
Across all sectors—masterbatch compounding, specialty coatings, elastomer modification—the real test happens in downstream processing. A wide range of compounding shear rates, and high molding temperatures demand a stabilizer that doesn’t volatize, bleed, or stain. Our quality managers measure haze, yellowness, and retention of mechanical properties after oven aging, QUV exposure, and natural outdoor accelerated aging. We've documented this data over thousands of batches shipped worldwide.
We measure the melting point range, ash content, bulk density, active stabilizer content, and color index with every batch. Molecular structure and isomer distribution determine both the dispersion in compounding and the migration from finished articles. Every batch receives a chromatography profile, a full IR scan, and UV absorbance testing across key wavelengths—each detail checked not against a generic industry spec, but against our own historical best lots. This approach provides tight lot-to-lot consistency and ongoing process improvements.
Polymer producers care about non-discoloring performance especially in transparent grades or lightly tinted products. Alkyl chain length shifts the solubility parameter, ensuring compatibility from basic HDPE up to high-end ETFE cable compounds. The longer chains in the tetracosyl series produce less volatility and better permanence under elevated service temperatures. Didodecyl groups modify melt flow without sacrificing UV absorbance, supporting high throughputs in blown film or extrusion coating.
While we quote stabilizer content between 95% and 98%, operational experience has taught us this oversimplifies application performance. Our partners appreciate transparency in reporting byproduct traces and the minor isomer variation range, allowing quality planning on their end. Batch certification includes complete photo-stability testing and long-term shelf-life validation.
A one-size-fits-all stabilizer wouldn't cut it in modern plastics applications. The subtle shift between dodecyl-, tetracosyl-, and didodecyl-phenol isomers gives each blend a slightly different feel in melt processing, pigment compatibility, and leaching resistance. For instance, in high-fatigue cable insulation, tetracosyl versions produce less extractable residues under electric stress, lowering failure rates over multi-year field trials. In polyurethane finishes for automotive exteriors, the didodecyl blend offers clean dispersion without plasticizer loss or yellowing.
We tailor each order knowing the downstream environment: blown PE films exposed to agricultural sprays, pigment-rich polycarbonate in stadium seating, or highly filled thermoplastics set for harsh desert or tropical installations. Small changes in the alkyl chain extend or shorten the service window for outdoor products. This is why soliciting real feedback from processors—troubleshooting haze, fish eyes, or migration—forms part of every support call. Not all challenges turn up in the lab; many are first spotted on the extrusion line or in secondary forming, forcing us to review and adapt isomer ratios or process additives.
While end users might only see a product name and lot number, our formulations reflect hundreds of test runs, dozens of process tweaks, and input from plant chemists to field engineers. Our blends target:
Long alkylated isomers in the series reduce water solubility, limiting migration even during repeated washings or chemical exposures. Makers of outdoor panels and claddings look for this hidden advantage during multi-year warranty performance review. Polyolefin extruders running high-throughput lines rely on tight melt viscosity control; they prefer the isomer blend with the best flow while keeping haze and yellowness within target.
Tetracosyl and didodecyl variants bring extra low volatility, a property vital for automotive and appliance interiors subject to heat-cycling and fogging standards. The broad UV absorbance profile lets them guard against both short and longwave irradiation, supporting color and surface protection over extended lifetimes.
We’ve learned that even a skilled compounding line can stumble when stabilizer distribution is uneven. By fine-tuning our process—adjusting reaction time, temperature, catalyst, and purification steps—we push for a homogenous isomeric balance, reducing the chance of clumping or agglomeration. Direct feedback from global processors—real complaints about filter clogging or color drift—reach our chemists, not a distant sales team. We keep retention samples and run post-shipment tests to compare field experience with our in-house files. Sometimes, an odd result from a customer triggers a full line audit, feeding fresh ideas into the next production cycle.
Every time we upgrade a reactor or swap in a better solvent system, we weigh impact not on on-paper cost alone, but on downstream product visibility, curing times, and retention of functional groups through aggressive compounding. Our day-to-day processes borrow best practices from batch and continuous chemistry, giving us both control and flexibility across product lines.
We live by strict environmental, health, and safety standards—not just because auditors demand it, but because safe products today mean we keep a license to operate tomorrow. We screen all batches for residual trace metals and prohibited amines, and our washout systems meet both local discharge and international shipment guidelines. Every blend receives a full hazardous content review, aligning with REACH, US EPA TSCA, and other regulatory frameworks where relevant.
If customer sites report any issues during handover—smoke, odors in molding, or unplanned reactivity during compounding—our technical teams review not only the affected batch but also recent process changes to pinpoint root causes. Decades making these blends sensitize us to the hidden ways stabilizer chemistry touches environmental and human health. Minimizing carrier solvent residue, batchwise bioaccumulation profiles, and end-of-life breakdown features are never afterthoughts or compliance paperwork alone; they are baked into our plant controls.
Markets for UV stabilizers don't stand still. Producers have to respond to changes in polymer formulations, stricter regulatory climates, shifts in plastics recycling, and more aggressive application stress profiles. Each of these external demands pushes us not to rest on legacy chemistry. Though the underlying benzotriazole core remains a proven technology, our isomeric mixture approach opens up new combinations. Production changes follow not a theoretical model, but years of bench and field observations.
Pressures for lower extractables, less fogging, and better long-term retention will only intensify. End users expect both higher transparency and greater color stability. This means incremental adjustments in alkyl chain lengths, fine-tuning side group ratios, or adopting newer purification paths—all actions that leave their mark on fielded product life.
Even as we work to improve durability, resource efficiency remains a core yardstick. We push yields up and lower solvent and energy costs, without sliding back on stabilizer purity or performance. Every upgrade pays for itself only when it means lower product returns, higher field reliability, or cleaner compliance audits.
Unlike traders, we don't shy away after the shipment leaves our dock. Our staff—people who have actually run the reactors, sampled the product, and troubleshot customer issues—stay involved for the long haul. Field failures or application challenges cycle back to our process and R&D teams without delay. Troubleshooting light-induced yellowing, failure in peel tests after weathering, or unexpected migration remains an ongoing part of plant culture.
In our experience, sharing our data sets, discussing root causes, and running cooperative application trials bring both sides ahead. Every improvement—whether a tweaked isomer ratio, upgraded catalyst, or new dust-reduction measure—comes out of this exchange. Over years, our customers have helped us tighten product envelopes, point out edge-case application needs, and zero in on new market gaps.
Today, environmental footprints matter as much as batch purity. Our management invests in lowering off-gas emissions, recycling process solvents, and continuous worker safety training. Each new product we introduce, including every isomer blend, undergoes a review for environmental impact not just in our plant, but across potential end-use: extrusion, molding, fielded product service, and disposal.
Ongoing talks with polymer recyclers, research labs, and product takeback programs steer adjustments to our formulas. Where possible, we cut down on heavy metal traces, anticipate future regulatory shift, and pre-qualify our chemistry for evolving standards covering global distribution.
The isomeric blends we manufacture bring a proven record of field-tested performance. Through use in highly challenging environments—outdoor construction, agricultural films, automotive finishes—they deliver both light and thermal stabilization, supporting longer field lifespans for valuable articles. The blend of side chains and isomer configurations enables tight compatibility with diverse polymers, extending use into new markets for customers who can't risk failures from run-of-the-mill stabilizers.
At the end of the day, product performance comes from details: cleaner batch histories, fewer fines, steady isomer balance, lower impurity footprints. Our production teams work directly with technical support and QC, forming a single chain of accountability from first synthesis to customer feedback. Customer successes and challenges shape the next lot—we are not removed from the consequences of our chemistry, we live it.
Polymer chemistry remains a practical, hands-on pursuit. Marrying molecular insight to field observations, we make every batch of these isomer blends with purpose—to protect valuable finished goods against sunlight, heat, and years of hard service. Our experience shows that technical complexity isn’t a barrier when production and application teams work together, driven by real-life demands and a commitment to long-term value.
