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HS Code |
704226 |
| Chemicalname | N-Propyl N-Valerate |
| Casnumber | 5435-53-4 |
| Molecularformula | C8H16O2 |
| Molecularweight | 144.21 g/mol |
| Appearance | Colorless liquid |
| Odor | Fruity, pleasant |
| Boilingpoint | 190-192°C |
| Density | 0.86 g/cm3 (at 20°C) |
| Refractiveindex | 1.415 - 1.419 (at 20°C) |
| Flashpoint | 75°C (closed cup) |
| Solubilityinwater | Insoluble |
| Meltingpoint | -60°C (approx) |
| Purity | Typically ≥98% |
| Applications | Flavor and fragrance agent |
| Vaporpressure | 0.31 mmHg (at 25°C) |
As an accredited N-Propyl N-Valerate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500 ml amber glass bottle with secure screw cap, labeled “N-Propyl N-Valerate,” includes hazard warnings and product details. |
| Shipping | N-Propyl N-Valerate should be shipped in tightly sealed containers, protected from moisture and incompatible substances. Transport under cool, dry conditions with appropriate hazard labeling. Ensure compliance with local, national, and international regulations for flammable or hazardous chemicals. Use secondary containment to prevent leaks or spills during transit. |
| Storage | N-Propyl N-Valerate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Keep the container protected from moisture and direct sunlight. Follow standard chemical storage protocols, using secondary containment to prevent spills, and label appropriately for identification and hazard awareness. |
Applications of N-Propyl N-Valerate in Industrial ManufacturingN-Propyl N-Valerate contributes to various specialty chemical sectors by delivering a distinct ester profile needed in regulated formulations and complex synthesis workflows. As a direct manufacturer, we supply consistent quality tailored for batch-controlled applications in fragrance compounding, food flavoring, lubricants, plastics, and pharmaceutical intermediate production. Below, we detail its main approved industrial uses and implementation specifics. 1. Fine Fragrance and Personal Care FormulationsThe material serves as a core fruity and slightly floral component in high-end fragrance compounding for personal care and perfume manufacturing. Its volatile ester profile allows precise top-note adjustment and enhances olfactory longevity in alcohol-based and oil-based perfume matrices. Leading perfumers utilize this ester at measured concentrations to comply with international fragrance regulations and avoid exceeding sensory thresholds in finished products. In-house GC-MS assures batch-to-batch aroma reproducibility essential for branded fragrance consistency. Industry compliance standards
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2. Food Flavor Formulation and CompoundingOur material is a recognized food-grade ester for complex fruit and dairy flavor fractions in processed foods and beverages. Flavor houses employ this additive in the controlled formation of strawberry, apple, and cream profiles, ensuring compliance with global food safety systems. Precise dosing prevents overwhelming off-notes in high-sugar or acidulated matrices. Real-time chromatographic testing verifies identity and absence of unwanted impurities suitable for food contact. Industry compliance standards
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3. Synthetic Lubricant Base Stock AdditiveThis ester functions as a specialty co-base or viscosity modifier in synthetic lubricant formulations for niche industrial and automotive uses. Its molecular structure imparts favorable solvency and pour-point control when combined with polyalphaolefins (PAO) and polyol esters. Oils engineers use analytical blending to optimize friction reduction while meeting strict international performance and biodegradability criteria. Material certification ensures no unreacted alcohols or acids to avoid compatibility issues in additive packages. Industry compliance standards
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4. Polymer Plasticizer for Specialty PVC and Film ProductionIn the polymer field, this ester acts as an auxiliary plasticizer within flexible and specialty PVC compounds, allowing precise modulation of plasticity and processability. Its chemical compatibility with primary plasticizers like DINP or DOTP provides manufacturers with additional control over migration rates and end-use flexibility in technical films and coatings. QA protocols involve migration resistance and volatility assessment based on customer end-use certifications, particularly in sensitive packaging. Industry compliance standards
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5. Pharmaceutical Intermediate for Active Ingredient SynthesisThe material is utilized by pharmaceutical manufacturers as a mid-step intermediate or protecting group, especially in the synthesis of prodrugs, where controlled esterification reactions are needed. Process chemists exploit its reactivity for selective acylation steps under cGMP-compliant conditions. Analytical rigor ensures absence of residual starting material, and all lots undergo full impurity and stability profiling. The integrity of the intermediate supports high-yield final active pharmaceutical ingredient (API) assemblies. Industry compliance standards
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Competitive N-Propyl N-Valerate prices that fit your budget—flexible terms and customized quotes for every order.
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Making N-Propyl N-Valerate involves a level of attention that rarely gets discussed outside the plant. Every batch stands as the result of handling raw acids and alcohols with careful temperature control, timing, and distillation know-how. Our model—NPV-05—reflects two decades of refining our process for higher reliability and purity. By focusing on things like water content and minimizing residual starting materials, we offer a product that behaves predictably in end-use applications.
Specifically, N-Propyl N-Valerate forms as a clear, colorless to faintly yellow liquid with a slightly fruity odor. The boiling point floats around 204–206°C. We target a purity of 99% minimum, and we put each batch through gas chromatography to catch any slips in by-product formation. This approach cuts down on surprises once our customers bring the ester into their formulations.
N-Propyl N-Valerate is best known for its niche as a specialty flavor and fragrance ingredient. There are not many esters that provide the same balance between volatility and aroma depth. Instead of fading too fast or overpowering other notes, this ester rounds out flavor and scent blends, often making the difference between a generic profile and a standout formula.
The food and beverage sector values this ester for its ability to introduce subtle fruitiness, especially where a banana or apple-like tone needs more sophistication than what isoamyl acetate or ethyl butyrate supply. Perfume houses often pick it out for the middle accords of green or tropical fragrances, relying on the structure it brings to blends anchored by heavier notes. Household and industrial cleaners benefit from its moderate solubility and pleasant scent masking—key for end-users who tolerate harsh chemicals more easily if masked by a fruity background.
Laboratories frequently purchase our product as a reference material when validating chromatographic workflows. With trace impurity guarantees, researchers know they are working with something that won’t skew results.
The landscape of medium-chain esters offers a wide spread of volatility, odor quality, and physical properties. N-Propyl N-Valerate falls into a sweet spot. Ethyl and methyl esters—like ethyl valerate or methyl valerate—might reach a lower boiling point but don’t give the persistence in aroma or the slower evaporation rates that certain applications demand. N-Butyl N-Valerate or isoamyl valerate build richer notes, yet their higher molecular weight shifts the aroma toward heavier, sometimes waxier realms, which limits their versatility in light or refreshing blends.
Manufacturers who look past cost alone recognize that switching from N-Propyl N-Valerate to a similar ester usually means accepting a trade-off in performance. We often get requests to explain why our product’s middle-range chain length matters. With three carbons in the alcohol side and five in the acid, the result lands between being too fleeting and too waxy on both the nose and tongue. The chemical structure translates to physical behavior: it blends with alcohols and certain glycols just as easily as with common fragrance carriers, reducing the need for complicated solubilizing steps during formulation.
Our facility uses stainless steel reactors to avoid metal-catalyzed side reactions that turn up as trace odors or off-tastes. We drive esterification using proven acid catalysts at concentrations we’ve calibrated to eliminate side products. One common pitfall is letting traces of n-valeric acid remain, which throws off both the odor and stability. We reduced residual acid below 0.01% by adopting azeotropic removal of water alongside high-vacuum distillation.
We’ve found that every stage of synthesis matters for shelf life and sensory impact. Excessive heat or rushed distillation can break down N-Propyl N-Valerate into smaller fragments, leading to a thin aroma. Over time, those shortcuts would erode trust among users whose formulations hinge on even minor variations.
This focus on in-process controls lets us guarantee consistency from drum to drum. We don’t rely on simple batch testing for the final product; we sample between each reaction stage and collect data across years. For instance, we’ve charted the impact of ambient temperature shifts in our plant by season, then countered them with process adjustments. That type of long-term process observation isn’t visible to outsiders but makes a marked difference in the field.
Customers often ask about stability and storage. We learned early that N-Propyl N-Valerate stands up well in typical conditions—cooled storage and opaque drums fend off hydrolysis and color changes for over two years. Still, we warn against leaving partly used drums open to humid air, since water eventually breaks esters back down to their acid and alcohol components. While many esters might tolerate some neglect, this product deserves closed-head drums and minimal airspace if you want predictable shelf life.
There’s always a push for lower-purity, bargain-priced esters. Yet the time and cost spent debugging flavor drift or haze formation often wipes out any bottom-line gains. We hear from flavorists who swapped in a cut-price batch of N-Propyl N-Valerate only to see end-user complaints spike. Our QA logs are full of stories about off-reactive contaminants causing phase separation or unwanted notes in delicate applications. That’s why our product earns a premium: users know it won’t throw curveballs down the line.
The reality is that reliability is just as important as price. Customers explain that reformulating around an unpredictable raw material costs far more in time and lost batch value than investing in a better starting point.
Chemical manufacturing faces constant scrutiny over waste streams and emissions. For N-Propyl N-Valerate, our main concerns have always been capturing unreacted valeric acid and n-propyl alcohol before they vent or drain away. Our current scrubber setup reaches 99.7% solvent recovery, cutting down on both environmental risk and raw material wastage. Years of process audits revealed that the best approach combines both physical recovery and chemical neutralization—no single method covers all the bases.
Solid waste, mostly spent filtration media and minimal catalyst residues, ships safely through a licensed disposal contractor. We invested in closed-loop cleaning for our reactor vessels, which saves forty thousand liters of rinse water yearly. These steps didn’t just answer regulatory requirements; they smoothed out our cost structure by reclaiming both solvent and water, which matters a lot in a tight-margin business.
Regulatory compliance shapes our day-to-day just as much as market demand. Authorities expect tight records on every kilo moving off-site, down to the last gram of by-product. Auditors visiting our site see not only paperwork but also on-floor process automation—all modules log materials input and process alarms automatically, reducing the risk of human error or missed anomalies.
Sustainable sourcing gets more attention now than ever. While the market for N-Propyl N-Valerate isn’t huge, our clients started asking tough questions about carbon footprints and renewable content. We piloted fermentation-sourced pentanoic acid, though right now the price gap keeps most buyers on synthetic-grade material. Still, every serious chemical producer tracks these developments, since tomorrow’s client might demand a sustainable version of today's staple.
Being a primary producer means we can trace every lot back to its source. We track and document every delivery of starting alcohol and acid, store samples two years past shipment, and maintain digital records for client audits. Lately, larger clients in food and fragrance want digital certificates backed by on-request sample analysis.
This transparency matters for supply chain interruptions too. If volatility in raw acid pricing or logistics impacts availability, direct communication with buyers keeps everyone on the same page. We’ve learned to forecast not only feedstock prices but also demand spikes and shipping bottlenecks. Over the past decade, our team built a reputation for straightforward discussion—no hiding behind agents or brokers, because that trust leads to long-term business relationships.
Quality isn’t just a marketing claim; it’s a daily execution. Every morning, plant chemists check GC traces against the previous day’s numbers. Any odd peak triggers a review before filling drums. Finished material goes through water content checks, odor evaluations by panel, and even colorimetry for batches destined for sensitive applications. Between electronic logs and on-site expertise, there’s little chance for a problematic batch to slip past.
Even so, no producer is immune to the occasional hiccup. Production equipment needs regular upkeep. We shut down lines twice a year for full clean-out and validation, which avoids polymer buildup and contamination across product grades. An unchecked valve or minor leak could contaminate a whole lot, which would damage not only the product but our reputation with customers. These planned stops add to overhead but pay off by slashing return rates to below one drum per three thousand sold.
End-users shape the evolution of our N-Propyl N-Valerate. Perfumers shared that a trace of off-green note was spoiling a key fragrance base—we traced it back to a specific catalyst blend and replaced it, erasing the problem in the following batches. Food technologists noted a haze in alcohol-soluble concentrates; our adjustments to final filtration took care of that, restoring clarity. We see feedback not as criticism but as the main source of innovation our lab can use.
We share use data with trusted partners. Knowing how the product acts in novel applications lets us flag potential process adjustments or develop technical bulletins that ease integration for new buyers. No two end-users have identical recipes, but the best performance always comes from tight feedback loops between production and field application.
The demand for specialty esters like N-Propyl N-Valerate grows steadily—not explosively, but with enough pace that staying complacent would be a mistake. Regulatory changes, raw material volatility, or shifting consumer preferences could change the playing field almost overnight. Our continued investment in process data, emission control, and raw material audits leaves us ready to flex as needed.
We keep focused on what we control: tight synthesis conditions, employee training, and direct communication with customers. If the market pushes toward lower emissions formulas or bio-based inputs, we are already prepping pilot lines and evaluating new partners. Change comes slowly, but those who move first set tomorrow’s standard.
Every bottle, drum, or tank of N-Propyl N-Valerate we ship tells a story from the plant floor to your facility: reliable material shaped by years of practice, with an eye on both immediate performance and future needs. We keep improving because our customers—and our industry—demand nothing less.
