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HS Code |
418028 |
| Chemical Name | 16-Hexadecanolide |
| Molecular Formula | C16H30O2 |
| Molecular Weight | 254.41 g/mol |
| Cas Number | 502-99-8 |
| Appearance | White to off-white solid |
| Melting Point | 36-38°C |
| Solubility | Insoluble in water; soluble in alcohol and ether |
| Odor | Waxy, fatty |
| Density | 0.96 g/cm3 |
| Purity | Typically ≥98% |
| Storage Conditions | Store at room temperature, in a dry, well-ventilated area |
| Uses | Flavoring agent, fragrance ingredient |
| Flash Point | 180°C (closed cup) |
| Iupac Name | Oxacyclohexadecan-2-one |
As an accredited 16-Hexadecanolide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 16-Hexadecanolide is supplied in a sealed amber glass bottle, 25 grams, with a tamper-evident cap and clear labeling. |
| Shipping | 16-Hexadecanolide is shipped in tightly sealed containers, protected from moisture and direct sunlight. It is transported as a non-hazardous chemical under normal conditions, but standard chemical handling protocols apply. Ensure compliance with local regulations. The product is typically shipped at ambient temperature, with documentation included for safe receipt and storage. |
| Storage | 16-Hexadecanolide should be stored in a cool, dry, well-ventilated area away from sources of ignition or direct sunlight. Keep the container tightly closed and protected from moisture. Store at room temperature or according to the manufacturer’s instructions. Segregate from strong oxidizing agents and acids. Ensure proper labeling and access only for trained personnel. |
Applications of 16-Hexadecanolide in Industrial Manufacturing16-Hexadecanolide, a macrocyclic lactone with a distinctive musk profile and high chemical stability, finds utility across multiple tightly defined industrial downstream sectors. As a direct manufacturer, we supply this ingredient to customers with stringent formulation, regulatory, and processing needs. The following sections detail verified downstream applications in which our 16-Hexadecanolide is utilized under controlled and traceable industrial conditions. 1. Fine Fragrance Compounding for Luxury PerfumesMajor international fragrance houses and OEM bottlers employ 16-Hexadecanolide as a core musky note in high-end perfume bases and accords. Its usage centers on providing tenacious, refined musk tones in both feminine and masculine blends. To ensure regulatory compliance and avoid IFRA-restricted compounds, perfumers select this molecule for stability and strong diffusion. It is typically incorporated during the base note formulation stage, pre-maturing and QC blending, and the final juice maceration. All batching proceeds under cosmetic GMPs, recorded batch traceability, and allergen declaration protocols before downstream filling and retail packaging. Industry compliance standards
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2. Flavor Ingredient in Food Additive Manufacturing (EU and US Market)Food processing companies and flavor houses deploy 16-Hexadecanolide as a musky, creamy undertone in select dairy, beverage, and confectionery flavor compositions. Its use complies strictly with regional food additive listings such as FEMA and EU regulations, where permitted, and only in trace concentrations. The material enters formulation after primary flavor development, during the fine balancing phase, prior to spray-drying or final blending with carriers such as maltodextrin or propylene glycol. All food-grade processing must adhere to HACCP and documented allergen management standards. Industry compliance standards
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3. Aroma Chemical Intermediate in Household Product FormulationProducers of household care products, especially premium detergents and fabric care, employ 16-Hexadecanolide to impart persistent, clean musk notes to laundry liquids, softeners, and air freshener formulations. Integrated into post-reactor blending or during scent premix steps, its chemical stability allows for use in high-alkaline matrices. Batch records must document conformity to domestic chemical labeling and environmental safety directives; persistent screening for SVHC content and allergens is mandatory before bulk supply and retail packaging. Industry compliance standards
Typical usage ratio
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4. Pharmaceutical Excipient for Oral and Topical Dosage FormsPharmaceutical contract manufacturers utilize 16-Hexadecanolide as a solubilizer and palatability enhancer in certain oral suspensions and topical creams. Its application strictly follows national and international pharmacopeia limits, ensuring non-interference with active pharmaceutical ingredients (APIs) and overall patient safety. The material integrates during late-stage excipient blending before granulation for tablets or after emulsification in creams, subject to multi-level QC and documented excipient specification sheets. Lot reproducibility and impurity profile are verified for each batch release. Industry compliance standards
Typical usage ratio
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5. Specialty Polymer Modifier in Advanced Materials SynthesisManufacturers of high-performance polymers occasionally use 16-Hexadecanolide as a plasticizer, crystallization modifier, or surface property tailor in select specialty polyurethanes, polyesters, and functional coatings. Applications target markets with need for hydrophobic, odor-neutral, or flexible end-material profiles. The raw material is dosed in precise increments during reactive extrusion, prepolymerization, or masterbatch blending. Compliance to technical and environmental material standards, as well as batch analytics for additive migration and mechanical effect, are maintained throughout the value chain. Industry compliance standards
Typical usage ratio
Downstream process integration
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Every kilogram of 16-Hexadecanolide we produce holds the story of rigorous filtration, careful reaction control, and a team that obsessively monitors the details from batch to batch. Our plant workers can recognize the subtle changes in aroma and texture that come with each step. The reliability built into the process doesn’t come from automatic lines alone; it is born out of direct oversight, hands-on checks, and honest conversations about consistency. That focus on accountability shapes stronger, steadier outcomes for everyone relying on this key lactone.
16-Hexadecanolide offers a rare balance of purity, potency, and sensory character, designed for advanced applications where off-notes or impurity spikes quickly disrupt performance. Our typical offering ranges between 98% and 99.5% purity, a threshold we maintain through distillation and repeated analysis, not just on the finished material but across intermediate fractions. The final product comes as a fine white to off-white crystalline powder, faintly reminiscent of tonka or musk, a nuance appreciated by those who know their fragrance chemistry. This grade represents our commitment to low residual solvents and minimal trace acid, both of which matter to perfumers, food formulating professionals, and researchers who refuse compromises in their raw materials.
We don’t treat 16-Hexadecanolide as just another line item from an endless catalog. The structure — a 16-carbon macrocyclic lactone ring — gives it a silky, persistent musk note that stands out both in isolation and in accords. Macrocyclic musk lactones like this don’t overwhelm with volume; instead, their effect lingers, providing body and depth to compositions that last. As manufacturers, we see firsthand how a small adjustment to crystallization time, or the water content in a purification step, influences more than just HPLC numbers. A cleaner cut during isolation preserves the brightness and subtle warmth that shape the user’s sensory experience, whether the application is a high-end perfume base or a flavoring blend in the food sector.
Our 16-Hexadecanolide isn’t a filler in the musky lactone family. While γ-Undecalactone or even 15-Pentadecanolide might surface in similar technical discussions, the differences are clear to those working at the bench. For instance, 15-Pentadecanolide, despite its structural similarity, veers milkier and less persistent in top note retention. It doesn’t create the same velvet undercurrent in fine fragrances. γ-Undecalactone isn’t even in the same league for end applications, providing more of an intense, peachy facet rather than the enduring, creamy musk delivered by 16-Hexadecanolide. Those who work in flavor or aroma formulation know that this distinction isn’t theoretical — it makes the difference between a vibrant, signature base and one that falls flat after a day. Our QA team regularly calibrates batches not against what’s considered “acceptable,” but against what actually enriches a finished product.
Too many suppliers treat macrocyclic lactones as static ingredients. We draw on decades of hands-on runs, solvent swaps, and benchwork feedback to continuously refine melt-point control and powder flow. Anyone who’s mixed a bulk fragrance knows that some lactones cling, clump, or melt unevenly, leading to frustration and waste. By targeting a narrow melting point spectrum (about 88–94°C), we produce a powder that blends predictably and disperses fast — a direct result of multiple sieving and drying steps.
Fragrance houses and specialty blenders tell us that our product’s handling makes scaling easy, even in high-throughput systems. Smaller flavorists often share that they get the fresh, true note without fiddling with extra filtration or pre-blend processing. We’ve fielded our share of panic calls about batch separation or off-smells from poorly controlled lactone sources — getting this chemistry right at the source saves time and restores confidence for our partners downstream.
Solving real-world challenges means sticking to proven manufacturing practices and relentlessly improving them. We apply continuous GC-MS tracking, colorimetrics, and impurity profiling not to fit sales templates, but to satisfy the analytical curiosity that chemists and formulation teams demand. We often invite feedback, both from large flavor compounders and boutique fragrance artists, on mouthfeel, persistence, and the sometimes hard-to-describe “airy warmth” 16-Hexadecanolide imparts. Our R&D department works closely with scent evaluators, and over the years, we’ve run dozens of internal blind tests to fine-tune both the purity and the upfront olfactory impact. Sometimes these tweaks start with a simple observation — a difference in melt time on a summer day, or the way a finished blend interacts with ethanol or oil-based carriers.
Confidence in raw material comes from repeat experience and a willingness to re-invest in process betterment. We have reworked distillation pressures and staged crystallization not because the handbook said to, but because quality teams found micro-impurities that disrupted key applications. Our team documents every deviation, from slightly off-color batches to rare polymorphic forms, sharing directly with formulating partners so no one is in the dark about potential product variation. Raw honesty and plain communication cut through production noise and stabilize quality in ways spec sheets never could.
Perfumery demands more than molecular precision; it calls for sensory reliability across seasons and volumes. 16-Hexadecanolide answers this need by offering robust performance in both high-volume dilution and concentrated specialty formulations. Experienced noses frequently combine our product with nitromusks, coumarin, or sandalwood bases, noting the way it rounds rough edges and adds sustained musky softness. Production chemists appreciate its resistance to typical yellowing or instability in complex mixtures, even after long storage. A similar benefit extends to flavor applications, where even a few parts-per-million change in raw material influences the final note. Our food-grade variants stay within accepted safety ranges for residuals and contaminants — a reassurance for those building scalable food concepts that still need artisan consistency.
Beyond the classic uses, we see ongoing demand from biodegradable surfactant developers, who leverage the ring structure of 16-Hexadecanolide for its mildness and stability. These applications often fly under the radar, but from the manufacturer viewpoint, the chemistries involved don’t tolerate shortcuts. If a batch comes through with out-of-range impurities, we know it — and so do our partners, who count on us not to put a foot wrong. We don’t speculatively chase every inquiry; we build long-term technical partnerships because the people behind these projects know the work behind a consistently high-performing macrocycle.
No matter how standardized processes get, chemical manufacture is never “set-and-forget.” Every run brings variables: a slightly different grade of starting material, a shift in ambient temperature during reaction, or unexpected side reactions captured during overnight monitoring. We know from direct experience that even modest deviations can echo through final product performance. Repeated rounds of batch sampling, cross-line comparisons, and real-life trial feedback shape our understanding of what “true” 16-Hexadecanolide offers in the market.
There’s pressure from market pricing and customer urgency to increase throughput, cut corners, or experiment with new process shortcuts. We reject these temptations. Our teams remember the failures as clearly as the successes: a shortcut on distillation introduced a floral off-note that ruined an entire run for a perfumery house; a slight change in solvent recovery led to a persistent haze that sent a food application’s shelf-life plummeting. We document every learning, support every recall, and view transparency not as a marketing tick box but as the core of real expertise.
Competitors may try to undercut with blends or by playing down the olfactory and technical differences between macrocyclic lactones. Direct experience teaches otherwise. Many alternative “cheap” sources end up with unacceptable loadings of minor impurities, resulting in unexpected reactivity in mixtures with aldehydes, or faint but noticeable bitter or waxy notes in finished compositions. Even those passing basic chromatograph checks sometimes reveal stability problems after a few months’ storage. The direct feedback loop between our plant team, our QC staff, and our most demanding industrial users consistently shapes batch improvement.
Some operators in the sector “pass” product with unreported co-products (like 15-Pentadecanolide or even minor esters), diluting the performance. We target a single-lactone focus, dismissing quick margin games that damage reputation. That shows when top perfumers test our material blind against global benchmarks, confirming they get true macrocycle persistence and a neutral background free of taints.
Chemical manufacture isn’t just vats, pipelines, and control panels. Behind every batch of our 16-Hexadecanolide stands a crew who takes pride in delivering not just spec sheet results, but real, tangible reliability you can smell and measure. When someone calls about a concern — a mild shift in powder color, or a melting point fraction that’s a half degree off — we give honest answers. Sometimes it means holding back a batch, sometimes it sparks a process review meeting on the spot. Our relationships with formulation labs and fragrance houses aren’t just transactional; they run on mutual respect for the craft on both sides of the equation. That’s the trust that keeps our product specified for legacy perfume bases, new launches, and experimental green chemistry alike.
Looking ahead, we see demand rising for even cleaner, more sustainable macrocyclic lactones. We’ve invested in closed-loop distillation and improved solvent recycling at the plant, reducing emissions and reclaiming wash solvents for ongoing use. These upgrades started not just in response to regulatory pressure, but from a sense of shared responsibility — real, on-the-ground stewardship built into every action in the plant.
We’re exploring enzyme catalysis for milder ring closure and trialing new filtration media to push the purity even higher, with hopes to present more bio-based variants that retain the subtle muskiness while trimming overall process footprints. Longtime customers already add input on how these shifts could impact the edge and body of the final fragrance harmonics. The feedback loop isn’t just theory; we run comparative olfactory panels, then let actual users tell us what stays, what changes, and what should revert.
Staying directly connected to end users — be they niche perfumers, large-scale flavoring conglomerates, or small research labs — means we get the true signal about batch-to-batch variation, application quirks, and long-term stability. We don’t rely on resellers or trader reports to guide our upgrades. Instead, we share advance samples, swap insights over the phone, and sometimes visit labs in person to troubleshoot unique challenges. That back-and-forth has led to changes as basic as shifting drying cycles when a long-time partner flagged sticky powder in summer deliveries, or to bigger investments like commissioning alternate reactors for more reproducible ring closure at industrial scale.
Real experience on the ground reminds us that behind every technical challenge is a human story — someone whose name is on the finished product, whose business rides on ingredient confidence. Our plant’s operators, chemists, and technical support staff all know the feeling of chasing down elusive problems and sharing the satisfaction of a solved issue with a customer who just needed straight answers and resilient quality.
We produce more than a drum or box of chemical. Every step — from raw material prepping, to reaction, fractionation, and packaging — carries forward a set of values built on problem-solving, direct accountability, and a respect for the disciplines that depend on us. Whether a perfumer seeks the perfect drydown, a food developer needs clean flavors without aftertaste, or a cosmetics formulator aims to meet the next level of sustainability, the source matters. As manufacturers, we stay in the feedback loop, we answer directly, and we back up every delivery with straightforward expertise.
That is what working with a dedicated, experienced chemical producer means. Real answers. Real accountability. True macrocyclic quality, batch after batch.