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HS Code |
805208 |
| Cas Number | 1193-80-2 |
| Molecular Formula | C10H16O |
| Molecular Weight | 152.24 g/mol |
| Iupac Name | 2-pentylcyclopent-2-en-1-one |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 224-226 °C |
| Flash Point | 95 °C |
| Density | 0.93 g/cm³ |
| Refractive Index | 1.489 - 1.493 |
| Solubility | Insoluble in water, soluble in organic solvents |
| Odor | Fruity, jasmin, nutty |
| Melting Point | -34 °C |
As an accredited 2-Pentyl-2-Cyclopenten-1-One factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, 25 grams, sealed with a screw cap, labeled “2-Pentyl-2-Cyclopenten-1-One,” includes hazard and handling information. |
| Shipping | 2-Pentyl-2-Cyclopenten-1-One is typically shipped in tightly sealed containers, protected from light and moisture. It should be handled as a chemical product, following standard hazardous material shipping protocols. Packaging must comply with local regulations to prevent leaks and exposure during transit. Label containers with appropriate hazard warnings and safety data. |
| Storage | 2-Pentyl-2-cyclopenten-1-one should be stored in a tightly sealed container, away from light, heat, and sources of ignition. Keep it in a cool, dry, and well-ventilated area, separate from incompatible materials such as strong oxidizers. Clearly label the container and ensure access is restricted to trained personnel using suitable protective equipment. Avoid prolonged exposure to air to prevent degradation. |
Applications of 2-Pentyl-2-Cyclopenten-1-One in Industrial ManufacturingAs the original manufacturer, we supply 2-Pentyl-2-Cyclopenten-1-One for specialized industrial use across regulated production chains. Our product integrates into core value streams with precise technical and compliance requirements. Below, we detail primary downstream fields and associated operational data. 1. Fine Fragrance Development in PerfumeryMajor fragrance houses use this compound as a character-impact and modifier note, especially in formulations targeting fruity, nutty, or roasted tonalities. It enhances complexity in fine fragrances, often present in premium blends. Regulatory restrictions and quality protocols dictate traceability and purity from bulk to compounding. Industry compliance standards
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2. Food Flavor Formulation (Non-direct Food Use/Flavoring Substances)Aroma chemical firms and food flavor producers employ this ingredient under strict global food additive laws. It brings hazelnut, roasted nut, and cocoa-type nuances in nature-identical and compounded flavor systems for indirect use in processed foods. Full food safety documentation, batch traceability, and regulatory limits must be observed throughout production and supply. Industry compliance standards
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3. Tobacco Additive ProductionProducers in the tobacco industry formulate modified flavor streams with this compound to impart nuanced roasted or hazelnut background notes to shisha, pipe tobacco, and flavored cigars. Compliance with regional and international chemical additive lists is required, especially in markets with specific tobacco product ingredient disclosure rules and safety standards. Industry compliance standards
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4. Aroma Capsules and Encapsulated Fragrance SystemsManufacturers of encapsulated aroma delivery systems rely on this compound to achieve long-lasting release profiles in specialty packaging, textiles, or air care solutions. It provides thermal stability and olfactory persistence, supporting encapsulation methods that comply with consumer product safety standards. Industry compliance standards
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5. High Purity Research Reference Material SupplyRegulatory laboratories, universities, and technical reference houses procure this item for use in method validation, trace analysis, and contaminant identification in studies related to aroma and volatile organic compound (VOC) research. Stringent purity specification, certification of analysis, and batch documentation are mandatory for such technical-grade supply. Industry compliance standards
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Competitive 2-Pentyl-2-Cyclopenten-1-One prices that fit your budget—flexible terms and customized quotes for every order.
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On the production floor, we keep a close eye on molecules that carry both value and distinction. Among our specialty products, 2-Pentyl-2-Cyclopenten-1-One stands out for its pure character and distinctive properties. Our engineers, technicians, and chemists have worked through more than a decade of continuous batch optimization to fine-tune techniques for achieving high yields and clean separation, reducing residual impurities that might shadow the true profile of this material. We’re not just filling drums; we’re building consistency batch after batch.
The structure of 2-Pentyl-2-Cyclopenten-1-One brings a unique combination to the table: a cyclopentenone core flanked by a straight five-carbon pentyl side. That molecular shape gives it a warm, soft, subtle effect in finished applications. Our raw material come from tested sources, and every production run is documented, traced, and subjected to screening at several points before packing. This hands-on approach gives us confidence that the finished product heading out the door carries the signature of true manufacturer care.
At the plant, selecting the right catalyst and reactor parameters for each batch is not just a matter of following standard protocol. The chain length, pressure control, and heat input have a tighter tolerance than with many other ketones. Where some vendors might accept broader cuts, our team has honed purification conditions so that trace impurities from side reactions get stripped away. The effort takes longer, but the result is a richer, rounder product that behaves more predictably at point-of-use.
In the early days, we noticed that rushing the cyclization step created unusual side odors. Our R&D group worked late shifts running titrations and GC-MS screens. Every pilot-scale batch was sampled across multiple points, then compared for differences in sensory and analytical profile. We still refer to those thick process notebooks during discussions about process improvement. Over time, we shifted to finer mesh filtration equipment, eliminated glass-to-glass transfer steps, and upgraded to nitrogen blanketing to fight trace oxidation.
Most companies never talk about the work that goes into getting the last few tenths of a percent out of a complex reaction. For us, it matters. We have posted process engineers at the lines, monitoring color, scent, and clarity — every detail matters when a single off note can ruin a whole production lot in fragrance and flavor use.
Our product leaves the plant in tightly sealed drums, accompanied by full supporting analytical reports. We use GC analysis to lock in purity at 98% or greater, with side components analyzed and quantified below one percent by weight. Moisture and peroxides are screened before warehousing. Viscosity, color, and boiling range fall within narrow bands from lot to lot. These checks make a real difference downstream — whether our customers are dosing at milligram scale in drug discovery or hundreds of liters in flavor and aroma syntheses.
Our staff checks every batch for clarity and any hint of residual color. We filter for particulates and screen for residual solvents in-house. Any unexplained change triggers both a process review and a technical investigation. Many call this overkill, but we’ve learned that a few extra hours double checking saves everyone headaches months down the line.
Ask the team in our applications lab what sets this molecule apart and they’ll point to its subtle, clean effect in finished blends. Perfumers value its power to soften harsh notes, tie together green or nutty tonalities, and build warm, diffusive bases without intruding. In flavor creation, the smooth, fatty, green-almond note brings true lift at concentrations too low for easy quantitation. Beverage and dairy blenders look for that fleeting, creamy lift without any metallic sharpness.
Customers tell us they can spot the difference between our pentylcyclopentenone and grades that pass through too many intermediaries. There’s less off-smell. There’s greater clarity. Reproducibility matters far more to them than whether a data sheet is glossy or a catalog price seems low. Big fragrance houses and regional food formulators alike know that the time spent qualifying a new supply partner adds up to weeks of development time — which means a lot when launch deadlines are tight.
Over the years, we’ve responded to requests for special cuts, lower impurity content, or custom-filled containers for pilot work. Our ability to flex comes from manufacturing for ourselves, not reselling a generic supply chain product. Our technical support stands behind every drum because we made it, not because a sales office passed along information from a distant plant.
Last summer, a customer working on plant-based creamers wanted to solve a flatness in mouthfeel and taste. They tried high-priced dairy analogs, complex mixtures of flavor enhancers, and even moved through natural extracts. When they came to us, we walked through their requirements, listened to what wasn’t working, and supplied a lab pack of our 2-Pentyl-2-Cyclopenten-1-One. Their development chemist called back within days, mentioning the richness and warmth that came through at extremely low levels. These are the moments when the years of behind-the-scenes work feel worth it.
In another case, a mid-sized European fragrance blender approached us after struggling to source consistent cyclical ketones in the quantities they needed. Their blends kept getting rejected on quality. It turned out their existing supply came through a chain of brokers, each with little visibility on actual manufacturing practices. We opened up our plant for a full audit, shared batch records, and walked their team through every production step. Soon after, they switched over — their end customers now note a cleaner, truer drydown in multiple fragrance lines.
Plenty of suppliers source from wherever stock happens to be cheapest, repackage it, and move on. In the worst cases, raw materials pass through lines of brokers, each changing drums, blending stocks, or introducing new risks for contamination. The team here sees the effect that has on stability and purity. We watch as drums loaded out of our facility arrive in end-use plants exactly as tested, because there are no “rental” warehouses, no hidden stops, and no relabeling along the way.
As manufacturers, we own the results, from raw chemical sourcing all the way through purification and finished packing. There’s traceability and chain-of-custody for every kilo. Our reputation depends on customers catching no surprises. No off odors creeping in, no residue from old drum liners, no guesswork about actual origin. That’s not the norm — we learned long ago the cost of shortcuts, and we’ve built our process to avoid them.
Our chemists like to say that plenty of molecules can add impact, but only a handful behave with elegance and restraint. 2-Pentyl-2-Cyclopenten-1-One falls into that rare category. Where strong lactones can dominate or “flatten” top notes, and some methylated ketones veer into bitterness, the pentylcyclopentenone offers lift and body without shadowing the rest of a formula. The balance is subtle. It builds warmth and envelops green, nutty, or roasted elements, bringing harmony without ever shouting.
Food scientists and flavorists often face frustration trying to develop natural profiles for plant-based products or novel beverages. Options run thin between bold and bland, with few tools offering midtone body without bitterness. This molecule serves as a bridge, saving months of trial-and-error cycles. Companies looking for clean-label alternatives or short ingredient statements find 2-Pentyl-2-Cyclopenten-1-One a welcome addition, with no distracting aftertastes or solubility surprises cropping up late in product development.
Being a manufacturer means more than just checking boxes for regulatory filings. Each lot goes through full documentation, including signed analytical reports backed by operators and laboratory staff on each shift. Our plant follows strict protocols for labeling, in-process monitoring, and secure storage. Every container runs with sequential batch codes, not just generic reference numbers. If our QC lab flags anything abnormal — an unexpected smell, a shift in refractive index, or haze — the batch doesn’t ship until we resolve it.
Trace impurities, whether coming from starting pentanols or through side reactions, get tracked all the way back to their source materials. Our raw material suppliers undergo routine validation, and we share those audit results openly. Where new regulations require, we move ahead with testing even before mandates kick in. Our technical documents anticipate requests from regulatory and QA partners. For larger clients with established compliance programs, we routinely open our doors to site audits, making our production logs fully available.
From a practical standpoint, this investment in compliance means customers won’t get stuck with last-minute paperwork emergencies. Spots and trends get caught early, not just at the request of third-party auditors but because it’s built into our culture to question and check, every step, every shift.
Every year brings another round of raw material volatility and global uncertainty. In the midst of rising freight costs or supply chain shocks, only a plant that holds inventory, controls sourcing, and keeps operator know-how in-house can guarantee reliable delivery. During times of raw alcohol price spikes or tightening ocean freight, we’ve kept to our shipment schedules by investing in longer contracts, local buffer stocks, and direct haulage by vetted carriers.
Unlike faceless trial brokers or repackers, we speak to partner labs about their forecast upticks well in advance and hold extra material where we see needs on their horizon. For our customers, this translates to less risk of unexpected downtime, no surprises over “out-of-stock” notices, and the ability to plan budgets and timetables months ahead. We’ve even coordinated air freight in emergencies, sending technical staff along to make sure nothing gets damaged in transit.
After working through industry-wide transport delays and raw material scares, we have seen how plant control over both production and logistics brings confidence. Our team knows what it takes to move from plant to port, through customs, and deliver to sites worldwide. Relationships with freight partners extend back years, building trust and shared knowledge on the technical sensitivity these products require in handling and transit.
True improvement doesn’t come from standing still. We meet monthly to critique every detail of finished batches, discuss process adjustments, and review new analytical feedback from customers. On the plant floor, suggestions for filter upgrades, reactor settings, or packing adjustments are logged and discussed — the people working hands-on often spot potential improvements before any manager or consultant. We’ve implemented dozens of small tweaks that save energy, conserve raw materials, and reduce product losses across the lot cycle.
We share technical data, not just marketing slides, and are frank about both the strengths and challenges of working with specialty ketones of this type. Customers phone us with quirks they see in their lines. Some encounter issues blending with exotic solvents, pushing envelope concentrations, or searching for ways to mask astringency in new food formats. Our technical experts offer bench-level advice on formulations, even shipping out experimental microbatches for co-development. This sort of close partnership usually can’t evolve with faceless commodity traders or contract-only suppliers — it comes from years of building trust and mutual respect.
After years of chasing process optimization, we know the difference that comes from controlling every link in the chain. The pride our plant teams take in producing clean, consistent 2-Pentyl-2-Cyclopenten-1-One isn’t about statistics and charts — it’s about seeing our material used in real products on shelves worldwide. Each lot that ships carries the fingerprints of skilled hands, sharp eyes, and a relentless commitment to clean chemistry.
Supplying 2-Pentyl-2-Cyclopenten-1-One goes beyond meeting specifications. From the first phone call to final shipment, our experts trace every step with genuine accountability. We keep batch and shipment documentation accessible long-term, and host site audits for every major customer or auditor who wants on-the-ground transparency. With dedicated technical support teams available for troubleshooting, advice, or process validation, customers never face late-night dilemmas alone.
Years of direct manufacturer experience have taught us the value of real relationships. Long after supply contracts are signed, many of our customers still phone our engineers directly to ask technical questions, report successes, or flag future needs. We welcome the chance to work side-by-side with formulating partners developing the next generation of flavors, fragrances, or specialty materials — always grounded in clean process, real traceability, and open collaboration.
Our plant delivers more than a chemical. The product is the result of years of refining, listening to users, analyzing every shift in data, and being willing to rethink the way we make, pack, and ship. 2-Pentyl-2-Cyclopenten-1-One has become a quiet but essential tool for those who want reliability and creative flexibility. Customers get not just purity but insight, not just product but partnership. On our factory floor, we know it by heart — consistent, traceable results you can trust in every drop.