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HS Code |
979061 |
| Iupac Name | 1,2-, 1,3-, or 1,4-dipentylbenzene |
| Molecular Formula | C16H26 |
| Molar Mass | 218.38 g/mol |
| Physical State | Liquid at room temperature |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 321–340 °C (varies by isomer) |
| Melting Point | -20 to -10 °C (varies by isomer) |
| Density | 0.866 g/cm³ at 25 °C |
| Solubility In Water | Insoluble |
| Solubility In Organic Solvents | Soluble (e.g., in ether, alcohol, benzene) |
| Cas Number | 612-13-5 (mixture); 2051-55-8 (1,2-); 674-67-1 (1,3-); 104-72-3 (1,4-) |
| Flash Point | 170 °C (closed cup, approx.) |
As an accredited Dipentylbenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Dipentylbenzene is packaged in a 500 mL amber glass bottle with a sealed cap, labeled with hazard and handling information. |
| Shipping | Dipentylbenzene is typically shipped as a liquid chemical in appropriate, tightly sealed containers made of compatible materials such as stainless steel or glass. It should be stored and transported in a cool, well-ventilated area, away from heat, sparks, and open flames. Proper labeling and adherence to applicable transport regulations are required. |
| Storage | Dipentylbenzene should be stored in a cool, dry, well-ventilated area away from sources of ignition, heat, and direct sunlight. Keep the container tightly closed and properly labeled. Store separately from oxidizing agents, acids, and bases. Use in a chemical fume hood and ensure proper grounding and bonding. Follow all local and national regulations for chemical storage and handling. |
Applications of Dipentylbenzene in Industrial ManufacturingDipentylbenzene serves as a key chemical intermediate and functional additive across multiple industrial segments. Its unique molecular structure supports applications ranging from heat transfer media to specialty coatings. The following application areas detail its integration, compliance, and contribution to high-value end products in modern manufacturing. 1. High-Temperature Heat Transfer Fluids for Chemical ProcessingChemical processors frequently use dipentylbenzene as a principal aromatic base in high-temperature heat transfer fluids due to its thermal stability and low volatility. Manufacture involves precise blending with long-chain alkyl aromatics to achieve targeted viscosity and flash points for closed and semi-open circulating systems. Producers must monitor impurity levels and maintain product traceability in compliance with industrial safety standards. The end-user typically leverages these fluids in reactors, condensers, or distillation columns to maintain process control at temperatures up to 350°C. Industry compliance standards
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2. Base Oil Component for High-Performance Electrical Insulating LiquidsIndustrial manufacturers blend dipentylbenzene as a hydrocarbon diluent and performance improver in synthetic transformer oils and capacitor fluids. Its high flash point, excellent oxidative resistance, and electrical insulating capacity contribute to dielectric stability under prolonged load. Precise purification is required to meet stringent electrical and purity standards. Oil producers tightly control batch-to-batch variation and manage nucleophilic impurities via advanced distillation. Industry compliance standards
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3. Chemical Intermediate for Nonionic Surfactant SynthesisEthoxylation and propoxylation operations utilize dipentylbenzene as an alkyl aromatic intermediate for constructing specialty nonionic surfactants suited to demanding industrial cleaning and textile processing. The compound’s aromatic core imparts controlled hydrophobe–hydrophile balance, allowing surfactant manufacturers to produce formulations with tailored solubility, emulsification, and foam properties for use in caustic or high-shear applications. Compliance centers on purity, absence of hazardous byproducts, and product traceability within a batch processing system. Industry compliance standards
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4. Industrial Solvent Carrier for Resin and Coatings ManufacturingProduction of select resin systems, including alkyds and specialty phenolics, incorporates dipentylbenzene as a primary solvent carrier. Its high solvency power and controlled evaporation profile support complex pigment dispersion and uniform resin dissolution in high-solids coating formulations. Formulators integrate the material at specified concentrations to balance flow, drying time, and final film characteristics, streamlined to meet technical compliance in end-use sectors such as automotive and industrial equipment coatings. Industry compliance standards
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5. Plasticizer Feedstock for Flexible Polymeric CompoundsManufacturers of flexible PVC blends and other soft polymer articles employ dipentylbenzene as a non-phthalate plasticizer feedstock, primarily in niche cable insulation, automotive trim, and flooring sheet applications. Its branched structure promotes low migration and sustained flexibility over time, even under heat and load. Chemical control during esterification and purity monitoring remain essential for achieving compliance with end-use safety regulations. Industry compliance standards
Typical usage ratio
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In our manufacturing environment, Dipentylbenzene isn't a commodity — it's a specialty chemical whose properties depend on hands-on care from raw materials through purification. Our team engages every step with a history built on running aromatic alkylation and managing each batch with tight quality control. Decades working with linear and branched alkylbenzenes have sharpened our process, so we see the subtle cues in color, odor, and viscosity that distinguish a solid product. Every sample tells a story about raw materials, reaction conditions, and distillation — we listen, compare, analyze, and adjust.
Customers and colleagues often ask for the model or the chemical's profile. As a producer, we draw on a range of specifications: blends of isomers, purity percentages based on gas chromatography, water content measured via Karl Fischer titration, color scales such as Hazen or APHA, and, for critical users, residue on evaporation. We check for sulfur traces and heavy metals just as rigorously. These measurements reflect years of patient tweaking, informed by what actually matters in the field — because Dipentylbenzene's real-world consistency makes a difference for every downstream product.
We produce Dipentylbenzene predominantly as a mixture of 1,2-; 1,3-; and 1,4-dipentylbenzene, aiming for purity levels exceeding 95%, with some grades reaching above 99% for industries where trace impurities could disrupt sensitive catalysts. Water content in our standard offerings remains far below 200 ppm. Any color drift or haze during shipment draws immediate investigation, since clarity signals clean distillation and absence of problematic side reactions. These benchmarks come from feedback: our customers run Dipentylbenzene through fine-tuned synthesis steps, polymer processing, or hydraulic fluid formulations, where detail matters.
We maintain flexibility by offering different grades, from base chemical for industrial blenders to high-purity cuts for specialty synthesis. Each batch runs through a battery of in-house analytical tests: gas chromatography, density checks, and visual assessment. Over the years, we have learned that off-notes in odor or subtle darkening can hint at incomplete fractionation — and that attention at this stage saves headaches later, especially for demanding applications like high-temperature lubricants or polyalkylbenzene production.
Dipentylbenzene's real strength shows in applications where both chemical stability and bulk performance count. In our experience, it's a trusted intermediate for producing detergents, especially as an alternative to shorter or longer chain alkylbenzenes. Many industrial users rely on its thermal and chemical stability, which outpaces lower alkyl aromatics in oxidative resistance. By forming polyalkylbenzenes with a high flash point, Dipentylbenzene-based derivatives serve as base oils in synthetic lubricants. These lubricants endure heavy-duty cycles in both automotive and industrial gearboxes without breaking down, because the branched pentyl groups shield the aromatic core from attack.
Beyond lubricants, we see Dipentylbenzene used in specialty plastics, where its unique molecular profile imparts flexibility and maintains clarity under stress. Surface active agents derived from this molecule offer detergent performance that withstands hard water salts, which matters in institutional and household cleaning products. Its thermal properties also find value in the heat transfer fluids market: mixtures including Dipentylbenzene circulate efficiently through closed-loop systems, staving off sludging and high-temperature fouling.
Comparing Dipentylbenzene with other alkylated benzenes, the most immediate difference comes from its higher molecular weight and greater branching. Lower alkylbenzenes such as dodecylbenzene have lower viscosity and reduced resistance to oxidation. Competing molecules like Dioctylbenzene bring their own profile, but not every application benefits from the longer side chains. Our industrial partners running lubricant blending plants find that Dipentylbenzene-based fluids balance volatility and pour point, especially at elevated operating temperatures where shorter-chain aromatics fail.
On the detergent front, Dipentylbenzene forms sulfonates that survive alkaline solutions better than those from lighter alkylbenzenes. Chemical engineers developing surfactant systems for oilfield or mining sectors have described tighter micelle formation and better solubility in mixed electrolytes. We monitor these claims, run parallel lab-scale syntheses, and repeatedly see Dipentylbenzene outperform its peers for heavy-duty cleaning under real-world conditions. Our sales and technical teams dig into usage data, ensuring feedback returns to development — because the factory floor knows what stands up in harsh environments.
Another distinction comes in processing ease. During sulfonation, the molecular bulk of Dipentylbenzene lets us control exotherms more smoothly than with smaller alkylbenzenes. Less runaway means fewer shutdowns and better batch-to-batch reproducibility. Over years of scaling up, we've invested in custom heat exchangers and better metering pumps because Dipentylbenzene's properties — higher boiling point, full-bodied aroma, viscosity profile — require tailored solutions, not off-the-shelf equipment.
Sourcing the right raw materials for Dipentylbenzene production takes persistent effort. We develop long-term supplier relationships to guarantee the alkylation feedstock meets tight specs: low sulfur, consistent carbon backbone, and reliable density. Each shipment receives incoming analysis. Alkylation reactors work best with a predictable feed; even minor compositional drifts can lead to off-grade product, as we have seen through periodic excursions in GC profiles or deviations in boiling point curves.
We've developed our own proprietary catalyst systems to achieve cleaner conversions and minimize heavy byproducts. In practice, dipentylbenzene synthesis produces a blend of isomers, and fine-tuning the process conditions shifts the ratio to where the desired grade lands. Our distillation team manages fraction cut points with skill, since boiling ranges for mixed alkylbenzenes can overlap tightly. Only practical experience, not textbook reference, tells you when to intervene or when to let the system ride.
Quality assurance involves more than running standard tests. Experienced operators notice shifts in headspace analysis or unexpected hues under UV light — both of which hint at subtle impurities. We've implemented statistical process controls, not out of compliance, but because repeated experience shows these practices prevent costly quality escapes. The investment in gas chromatographs, skilled analysts, and in-process sampling pays off in minimal customer complaints and traceable batches.
We answer engineering queries, debug application problems, and ship trial batches to R&D pilot plants. Sometimes, a minor tweak in product cut, water content, or isomer mix solves issues in our customer's reactors. Technical teams follow up, document changes, and share knowledge so that all stakeholders gain from lessons learned. Our collaborators know that their feedback drives the next round of improvements; it’s not just paperwork, but a loop that tightens with each project.
Clients in Europe, North America, and Asia have brought us feedback about shipping requirements: specialty containers, drum linings that do not leach, and even requirements for tamper-evident seals. Each request draws on years dealing with logistics, cold and warm weather storage, and regulatory reporting. As a manufacturer, we manage hazardous material declarations, customs codes, and labelling based on firsthand experience with what works at receiving docks and in final usage.
Producing Dipentylbenzene brings unique challenges. Our technical maintenance team tackles fouling and polymerization residues in alkylation reactors by rotating shutdown schedules and using high-pressure flushing cycles. Handling the product during loading and dispatch demands tight temperature and vapor control — Dipentylbenzene's boiling range demands process safety systems that handle both flash and vapor emissions.
On more than one occasion, ambient humidity has threatened product water content, especially in the summer months. In response, we've invested in sealed transfer lines and nitrogen blanketing, reducing off-spec events. Our continuous improvement group studies incident reports and implements best practices not because of audit pressure, but from the real-world hassle of resolving downstream complaints or recycling contaminated batches.
Shipping large-volume drums and tankers across long distances tested our quality assurance. Temperature swings during transit caused minor changes in viscosity and color, occasionally triggering customer feedback. Over time, we developed insulated shipping options and improved cleaning of bulk containers to eliminate residual cross-contamination. As regulations on aromatic hydrocarbons evolve, we stay ahead by conducting regular training and internal audits, ensuring shipments align with international safety standards.
Our R&D and technical support teams actively share knowledge with academic and industrial partners. We participate in studies on Dipentylbenzene's behavior in advanced lubricants, assess toxicity data for regulatory filings, and help benchmark performance in cutting-edge applications such as engineered fluids for electronics cooling. As producers, we track how small changes in impurity profiles or isomer ratios affect end performance. Customers developing new products often borrow from our library of experience, adapting our baseline materials to their innovations.
Emerging technologies, such as biodegradable lubricants, refine the requirements for aromatic bases. Biodegradability does not come naturally to Dipentylbenzene, which remains chemically persistent — but workarounds using blends or co-polymers offer extending life cycles without sacrificing thermal stability. Each customer-driven project feeds back data so that future production batches shore up both regulatory compliance and real-world usability.
Handling aromatic hydrocarbons like Dipentylbenzene brings environmental and workplace safety responsibilities. Experience has taught us that solvent vapor control and robust personal protective measures are non-negotiable. We’ve invested in active vapor recovery, double-sealed tank farms, and continuous air monitoring in high-traffic plant areas. Our waste treatment units neutralize process residues, capturing organic content and ensuring it stays out of groundwater and air.
We maintain close dialogue with local communities and environmental authorities, reporting emissions and discussing any process changes with direct impact. Training every operator, loader, and maintenance engineer to recognize and control hazards is ongoing work. Our record has steadily improved because frontline staff speak up about exposures, leading to upgraded gear, smarter shift rotations, and better automation. We value this feedback and encourage a preventative mindset, reducing near-misses and sore points long before inspectors visit.
Global markets continue to shape Dipentylbenzene's role. Growth in synthetic lubricants, high-performance engineered plastics, and cleaner detergent actives creates a steady pull for consistent, high-grade aromatic intermediates. As manufacturers, we watch shifting specs, adapt production scales, and respond to moves toward more environmentally friendly chemistries. We know changes in regulation and customer preference will bring requests for lower residuals, alternate packaging, and tighter logistical windows.
Versatility keeps Dipentylbenzene at the center of innovation for the industries we supply. Ongoing technical exchanges with product formulators, polymer chemists, and regulatory specialists ensure our product stays relevant. Our manufacturing practices evolve, always focusing on consistency, traceability, and user-friendly documentation.
As the original producer, we stand behind every shipment of Dipentylbenzene because we know firsthand what it takes to make each batch work in real-world applications. Our knowledge of the molecule — how it behaves under pressure, heat, agitation, and after months of storage — comes from hard-earned experience. We resolve problems at the production level, invest in upgrades or additional purification steps, and invite customer audits, confident enough in our workflow to welcome scrutiny.
For the partners who rely on our Dipentylbenzene, our commitment remains the same: knowledge shared, needs understood, and challenges solved with hard-won practical insight. Reliability matters — in every drum, every batch, every load. Our doors stay open to feedback, project ideas, and the next set of technical hurdles, because that's how quality grows and how trusted relationships last over time.