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16-Hexadecanolide

    • Product Name 16-Hexadecanolide
    • Alias Exaltolide
    • Einecs 204-012-8
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    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 & Storage
    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.
    Application of 16-Hexadecanolide

    Applications of 16-Hexadecanolide in Industrial Manufacturing

    16-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 Perfumes

    Major 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

    • International Fragrance Association (IFRA) Amendment guidelines
    • EU Cosmetics Regulation (EC) No 1223/2009
    • REACH Substance Compliance (EC 1907/2006)
    • ISO 22716:2007 (Cosmetic GMP)

    Typical usage ratio

    • Concentration varies from 0.01% to 0.4% w/w in finished fragrance oil, adjusted according to olfactory profile, regulatory threshold, and end-market requirements

    Downstream process integration

    • Added in the blending tank with other base notes after head and heart components are matured
    • Complete homogenization and maceration under temperature control
    • Filtration and QC performed post-blending for stability and purity
    • Packaged in inert containers before delivery to filling lines

    Final product types

    • Luxury eau de parfum (EDP) and extrait bottles
    • High-end cologne sprays
    • High-concentration perfume oils
    • Niche artisan fragrance collections

    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

    • US FDA 21 CFR §172.515 (Flavoring Substances Permitted for Direct Addition to Food for Human Consumption)
    • EU Regulation (EC) No 1334/2008 on Flavourings and Certain Food Ingredients
    • FEMA GRAS listing No. 3174
    • FSSC 22000 / ISO 22000 Food Safety Management

    Typical usage ratio

    • Range from 1–10 ppm in finished food flavors, limited by regional GRAS or positive list thresholds and subject to end-use flavor intensity requirements

    Downstream process integration

    • Dosage after core flavor mix establishment, right before carrier addition
    • Pre-blend homogenization, full dissolution in solvent system
    • QC testing for flavor stability and regulatory conformance
    • Bulk blending and spray-drying (if powder), or direct packaging (if liquid or paste concentrate)

    Final product types

    • Dairy and cream-flavored beverage bases
    • Toffee, caramel, and milk candy flavorings
    • Compound seasonings for sweet bakery fillings
    • Powdered and liquid food-compatible fragrance enhancers

    3. Aroma Chemical Intermediate in Household Product Formulation

    Producers 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

    • EU Detergents Regulation (EC) No 648/2004
    • US EPA Safer Choice (where applicable)
    • IFRA/AISE Guidelines on Aroma Chemicals in Household Products
    • GHS/CLP Labeling and Safety Data Sheet (SDS) requirements

    Typical usage ratio

    • Employed at 0.01–0.15% w/w in detergent or softener bases; exact percentage set to balance scent longevity with ecological and toxicological assessments

    Downstream process integration

    • Introduced as part of the fragrance concentrate post-saponification or after surfactant blending
    • Full mixing with base and co-perfumes for scent retention performance
    • Quality assurance testing for shelf-life and compatibility
    • Early-stage evaluation in pilot batches for compatibility with surfactant systems

    Final product types

    • Premium liquid laundry detergents
    • Concentrated fabric softeners
    • Scent booster granules
    • Aerosol and solid air fresheners

    4. Pharmaceutical Excipient for Oral and Topical Dosage Forms

    Pharmaceutical 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

    • Ph. Eur. (European Pharmacopoeia) monograph requirements for excipients
    • USP-NF General Chapter
    • ICH Q3C (Impurities: Residual Solvents)
    • GMP for Pharmaceutical Production (ICH Q7 / FDA 21 CFR Parts 210 & 211)

    Typical usage ratio

    • Usage in oral or topical formulations is typically from 0.005% to 0.05% w/w, based on organoleptic trials and compatibility with APIs

    Downstream process integration

    • Blended during excipient mixing for aqueous suspensions, or in cream/oil phase pre-homogenization
    • Passes through in-process controls for particle size and homogeneity
    • Integrated into granulation or emulsification stages as excipient
    • Lot-wise analytical verification before batch release

    Final product types

    • Palatable oral suspensions for pediatric or geriatric use
    • Topical dermatological ointments
    • Dermal non-active base creams
    • Medicated oral tablets with flavor-masking characteristics

    5. Specialty Polymer Modifier in Advanced Materials Synthesis

    Manufacturers 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

    • ISO 9001:2015 (Quality management for materials manufacturing)
    • RoHS Directive (2011/65/EU) if used in electrical components
    • REACH SVHC candidate identification
    • Final product testing per ASTM and ISO plastic standard test methods

    Typical usage ratio

    • Usually incorporated at 0.01–2% by weight, tailored as per matrix polymer chemistry and finished part properties

    Downstream process integration

    • Pre-mixed with polymer pellets or monomers prior to extrusion or molding
    • Integrated during in situ polymerization for surface modification
    • Subjected to melt-compounding or blending with other additives
    • Tested for mechanical, optical, and migration properties post-compounding

    Final product types

    • Functional polyurethane foam sheets
    • Impact-modified polyester fibers
    • Specialty films and coatings for automotive or electronic sealing
    • Low-odor masterbatches for consumer and industrial applications
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    Certification & Compliance
    More Introduction

    16-Hexadecanolide: Refining Purity, Shaping Possibility

    Real Chemical Craftsmanship, Straight from the Source

    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.

    Model: 16-Hexadecanolide — Lactone Excellence at the Molecular Level

    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.

    It’s About More than a CAS Number

    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.

    Not All Lactones Are Created Equal

    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.

    The Realities of Handling and Usage in the Field

    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.

    In-House Expertise: A Chemical Manufacturer’s Perspective

    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.

    Trusted Applications: Real-World Experience

    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.

    A Chemical Plant’s Insight into Quality Control and Forward Challenges

    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.

    How 16-Hexadecanolide Stands Apart — Not Just Another Number

    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.

    Consistency Isn’t an Accident — It Comes from People Who Care

    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.

    The Future: Precision, Sustainability, and Innovation in Practice

    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.

    Dialogue, Not Just Delivery — Real Support from Real Producers

    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.

    Why We Stand Behind Our 16-Hexadecanolide

    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.