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HS Code |
769092 |
| Name | N-Docosane |
| Chemicalformula | C22H46 |
| Molarmass | 310.6 g/mol |
| Appearance | White, waxy solid |
| Meltingpoint | 44 °C |
| Boilingpoint | 371 °C |
| Density | 0.78 g/cm³ (at 20 °C) |
| Casnumber | 629-97-0 |
| Solubilityinwater | Insoluble |
| Flashpoint | 166 °C |
| Odor | Odorless |
| Vaporpressure | Very low (nearly negligible at room temperature) |
As an accredited N-Docosane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | N-Docosane is packaged in a 100-gram amber glass bottle with a screw cap, labeled with safety and chemical information. |
| Shipping | N-Docosane should be shipped in tightly sealed containers, protected from heat, open flames, and strong oxidizers. Store and transport in a cool, dry, and well-ventilated area. Follow all applicable regulations for non-hazardous chemicals, using proper labeling and documentation. Avoid sources of ignition and ensure compliance with local, national, and international shipping guidelines. |
| Storage | N-Docosane should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from strong oxidizing agents and sources of ignition. Protect the chemical from moisture and direct sunlight. Label the storage container clearly. Follow all relevant safety protocols and local regulations to prevent accidental exposure, contamination, or environmental release. |
Applications of N-Docosane in Industrial ManufacturingN-Docosane is a high-purity, straight-chain paraffin hydrocarbon with specific chemical and physical properties suitable for several industrial manufacturing segments. Our production team supplies this material to demanding customers who require precise technical performance and strict compliance across multiple value chains. Below, we detail key downstream application sectors and their technical integration needs. 1. Phase Change Materials for Thermal Energy StorageThermal energy management manufacturers use n-docosane as a reliable phase change material (PCM) due to its controlled melting and freezing points. The compound integrates into microencapsulated or bulk PCM systems, primarily for temperature stabilization in electronics cooling units, building insulation panels, and refrigerated transportation liners. We support customer R&D on selection and characterization, ensuring clean melting curves with minimal subcooling or decomposition. Proper formulation prevents material leakage and maintains service life through repeated melting-solidification cycles. Engineering teams select the grade and adjust the hydrocarbon blend to balance latent heat with cycling stability. Industry compliance standards
Typical usage ratio
Downstream process integration
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2. Industrial Lubricant Additive ManufacturingFormulators in the specialty lubricant industry utilize n-docosane as a hydrocarbon chain length modifier to alter viscosity and improve pour point in high-performance greases and transformer oils. Controlling alkane chain distribution is critical for consistent rheology and thermal properties. Blending the material with base oils involves stringent compositional analysis to achieve required crystal morphology and low-temperature flow properties. Our technical experts routinely provide guidance regarding decomposition thresholds and compatibility with performance-enhancing additive packages to prevent oxidative instability in finished formulations. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Candle and Wax Blend FormulationsCandle factories and technical wax blenders employ n-docosane to modify hardness, melting profile, and burning characteristics in decorative and utility candles. It is particularly valued for tuning slip melting point and improving scent throw in fragranced blends alongside stearic acid and other paraffins. Consistent chain length and purity control are crucial to reduce smoke and soot formation. Operators must monitor ratio adjustments, especially with color pigments and botanical additives, to maintain aesthetic and performance requirements. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Calibration Standards and Reference MaterialsLaboratory instrument manufacturers source n-docosane as a reference material for routine calibration of gas chromatography systems. Its defined boiling and melting point allow for robust system suitability checks and retention time alignment. Synthetic and petrochemical labs also rely on the material for qualitative and quantitative method validation, ensuring analytical consistency. Preparation requires trace-level impurity control, and packaging under inert gas to prevent oxidation or contamination. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Polymer Processing Aid in Polyolefin CompoundingAdvanced polymer processing plants employ n-docosane as a rheology modifier during the extrusion of polyethylene and polypropylene formulations. It serves to adjust melt flow index and improve surface finish in injection and blow molding applications. The controlled addition during pelletizing or compounding achieves uniform dispersion and limits internal stress cracking. Our production division works closely with compounders to analyze blend compatibility with antioxidants and clarifyers within food-grade and engineering-grade resin systems. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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Anyone who spends their days in a chemical plant knows just how much fine-tuning goes into turning hydrocarbon fractions into pure, consistent products. N-Docosane, our specialty long-chain alkane, never comes out of thin air. We pull it from selected paraffin streams, and every batch has been the result of careful distillation and purification. Over the years, some customers have told us that what really matters is not just hitting the advertised purity — it’s the dependability batch after batch, the way the product behaves in their applications, and the lack of surprises down the road.
Our N-Docosane (normal-docosane, sometimes called n-C22H46) stands as C22H46 in its natural straight-chain structure, and we bring it to market in refined solid form with purity up there above 99%. Producers and research teams working with thermal storage materials, phase-change research, or custom chemical synthesis know that trace impurities can make all the difference. That's why our facility runs routine GC testing on each lot and keeps a strict eye on every process stage — there’s nothing abstract or generalized about it. We do this because, time after time, someone on the phone has told us their process spiraled after a single off-spec impurity, and those aren’t stories we like to hear attached to our name.
Working on the supply side, we get to see N-Docosane travel through hands as varied as battery researchers, phase change material designers, and folks modifying waxes for cosmetics and coatings. Each field cares about something a bit different. In phase change material development, for example, customers depend on the accurate melting point — for N-Docosane, you’ll see a melting point around 44°C. We verify every batch, tuning our fractionation columns to avoid any lower- or higher-alkane contamination that could shift that crucial property. The right melt point matters, because even a couple degrees too high or low can turn a promising prototype into unreliable equipment or wasted lab time.
Unlike shorter-chain alkanes, N-Docosane resists oxidation and decomposition longer under moderate thermal cycling, allowing more reuses when blended into storage composites. This is particularly useful for phase change and thermal management industries trying to hit specific energy storage targets. The crystalline structure of our product offers predictable heat storage and release. Any paraffin supplier may tell you about phase change energy density, but unless you see consistent melting and freezing on repeated cycles, it’s just lab talk. We keep samples from every lot so we can answer for the product’s thermal cycling in real-world conditions — not just on the certificate of analysis.
N-Docosane shows up in other surprising places. Some synthetic lubricants or specialty greases use it as a viscosity modifier. Coating manufacturers blend it to create specific rheological profiles or slip properties. Candle makers and cosmetic formulators rely on its stable texture to avoid separation, especially in higher-melting blends. In these non-thermal applications, the focus shifts to absence of odor, appearance, and cleanliness. Impure material or poor handling starts to show through as yellowing, off smells, and inconsistent grain. Every year, we receive feedback from suppliers who switched to a lower-priced option, only to witness increased customer complaints and lost contracts. The manufacturing team goes over such feedback, reinforcing our internal controls to avoid the same slip-ups here.
The N-Docosane we produce carries a controlled specification for both melting point and purity. We label our main industrial-grade product as N-Docosane Model 2246, sourced from a high-purity paraffin base. Purity typically tests above 99%, with the remaining fraction limited to similar saturated hydrocarbons. Moisture and other volatiles, especially sulfur or oxygenates, are strictly limited to low ppm levels. Our team routinely rejects internal runs, even on borderline numbers, to avoid passing on downstream headaches.
The packaging formats were chosen through years of customer input and our own handling experiences. Smaller lots come in sealed HDPE bottles (from 100g to 5kg), suitable for laboratory or pilot plant use, while larger runs ship in lined steel drums—ideal for those running continuous processes who want to avoid cross-contamination or HDPE leaching. We don’t cut costs with marginal packaging because our own operators have dealt with damaged shipments, spoiled product, and clean-up protocols — problems that add up quickly both in cost and reputation.
Every shipment goes out with a full analysis report of the batch: melting point (verified, not just quoted from the literature), GC-FID analysis trace (not just a purity number), and trace moisture content checked by Karl Fischer titration. Smaller traders and those new to the market sometimes rely on third-party certifications, but as the source manufacturer, we take full responsibility for the product from start to finish. Resolving any issue means talking to the chemists who made it, not waiting weeks to track down who handled what at a previous warehouse.
We’ve met plenty of questions about how N-Docosane stacks up against shorter or longer paraffins. Technically, the straight-chain C22 structure delivers a balance of solid-state performance and low toxicity, but the real differences show in the factory or lab. Take, for instance, C16 or C18 alkanes: they melt far lower, around body temperature, making them problematic for many phase change storage or stable wax blend uses. Docosane holds its solid form at room temperature and gently softens only at elevated temperatures, useful for applications in which a sharp, robust transition is critical.
On the other side, heavier paraffins like C28 or longer turn waxy, sometimes introducing handling difficulties or mixed-phase behavior. N-Docosane offers better compatibility and less stubbornness in blending operations — a small but meaningful factor for anyone running jacketed reactors or blend tanks who’s dealt with filter clogging or tank scraping. Customers working with microencapsulation or composite formations (think heat storage bricks or PCM slurries) have repeatedly shared feedback on easier dispersion and better end-product stability compared to longer-chain paraffins.
Another difference comes down to chemical inertness. Many specialty paraffins see their use limited by trace unsaturations or oil residues left from partial hydrogenation. We drive our process past these points, not only confirming purity by GC but actively running random batch stability tests in our own pilot reactors. We see every kilogram as a reflection of the upstream fractionation, purification, and quality controls — things our team can adjust, not cross our fingers on. Those who've switched to us after years with off-brand material frequently remark on the “invisible problems” they used to have: filter plugging, subtle shifts in performance, or just unexplained batch failures.
The history behind our approach to N-Docosane production comes not just from textbooks or spec sheets but from daily plant runs, customer feedback, and learning from every complaint or return. Many of the most important controls — including multi-step purification and direct-melt filtration — were added after seeing real-world downstream problems. Over the last decade, we’ve tracked the same batch of docosane through composite PCM panels, wax masterbatches, and even oddball R&D trials. Customers come back year after year not simply because of price, but because we solve issues before they hit critical process points.
Research customers sometimes request docosane with even tighter ash and heavy metal content limits, especially those working in electronics cooling or biomedical samples. We responded by maintaining an ultra-high purity line that deploys additional filtration and analytical confirmation. Demand for this level of care has grown because performance standards are climbing, not standing still — whether for environmental, regulatory, or purely performance reasons.
Feedback also shapes packaging and logistics. Handling docosane drums in hot climates or sensitive storage has taught us to insulate and protect loads during shipping, avoid stacking methods leading to compaction, and keep product traceability beyond minimum local requirements. There are no shortcuts—only lessons from getting hands dirty over years of filling, testing, and troubleshooting.
Modern end uses call for relentless reliability. If you’ve ever dialed in phase-change material for energy storage, a half-point deviation in melting temperature can send you scrambling, especially for scaled-up PCM installs or detailed heat exchange modeling. Our production lines stop at nothing to keep these parameters locked in — not to chase marginal increases in “paper” purity, but to avoid process upsets, warranty claims, and downstream equipment failures.
Ash, metals, and residual unsaturates exist at trace levels, but ignoring them sets off a chain of headaches in sensitive applications. Candle or soap manufacturers, for instance, might detect these as color or odor shifts. Phase change developers might uncover thermal lag or incomplete phase reversal. We run all docosane through parallel analysis: visual bright test, odor panels, and periodic external lab verification. Not everything happens in the lab — sometimes an inspector’s trained nose or a simple cold-knife test has saved three tons of product before shipping.
It’s easy to gloss over these details in sales-focused brochures. In production, theory is only a starting point — feedback and practical insight steer every improvement. That means fewer surprises for integrators, less return stock for resellers, and steady numbers for research teams who can't afford missed timelines caused by off-batch shipments.
Many of our long-term customers started with small batches for method development or formulation trials; today, several run full-scale manufacturing lines using N-Docosane directly or blended. Listening to these partners influenced everything from transportation policies to lot numbering — backtracking performance differences starts with traceable documentation. Tight coordination between production, QC, and shipping helps us fix issues early.
Direct users in battery thermal management, encapsulated PCM manufacture, and specialty coatings have also taught us new handling and storage habits. For instance, we adopted melt-sealed packaging for long-haul logistics after an end-user in Australia spotted microcontamination during their quality audit. Every time we adapt, we keep copies of internal notes on root causes and corrective actions — details that keep future lots from inheriting yesterday’s problems.
More suppliers enter the hydrocarbon space each year, but only those with integrated production keep tight enough control to satisfy demanding sectors. We hear stories about “identical” paraffin grades from warehouses with no real traceability, high variability, or products repackaged and rebranded so many times their origins get fuzzy. Because we run every step — fractionation, purification, testing, packaging, and shipping — there’s no guesswork or finger-pointing if anything falls short of the mark. We keep documentation, batch samples, and open communications precisely to avoid long troubleshooting chains when things go wrong.
End users in resource-challenged regions, or those scaling new PCM and thermal management solutions globally, often need supply continuity and short lead times. Our integrated plant capacity and routine buffer stocks mean we deliver material as scheduled, backed by direct production oversight. This avoids delay-prone supply chains and maintains performance over time.
The chemical industry rarely stands still. New standards for purity, lower detection thresholds for trace elements, and more sophisticated user expectations shape our future upgrades. For instance, as demand grows for phase change applications requiring sub-ppm impurity control, we reinvest in better distillation and finishing lines. As more countries regulate hydrocarbon emissions and in-process contaminants, maintaining cleaner feedstocks becomes not just a compliance issue but a technical edge.
Sharpening our finger on waste minimization, our docosane production actively recycles off-cuts and wash fractions for upstream reprocessing. On-site monitoring and clean handling help us avoid contaminant build-up in transfer lines, which pays dividends in fewer rejected lots and happier customers.
Shipping docosane across continents remains an evolving challenge, especially under tightening transport and customs regulations for hydrocarbon-based materials. We've stepped up documentation procedures and product protection without sacrificing process efficiency. As decarbonization and green chemistry push even established materials to higher standards, we aim for achievable, meaningful improvements — not just to tick a box, but because better, cleaner product wins repeat business, reduces employee headaches, and builds trust in long-term partnerships.
We keep a close relationship not just with bulk buyers but with on-the-ground end-users — lab technicians, manufacturing engineers, and developers managing daily production. Their input, collected at every step, drives incremental improvements from small packaging tweaks to larger process upgrades. No certificate or technical data sheet replaces firsthand conversations about what works and what doesn’t, and no piece of equipment substitutes for the experience of a plant operator who’s run thousands of samples.
N-Docosane remains an old, reliable staple for many sectors, but its role keeps evolving. Whether it’s the steady hand of an established material or the linchpin of a new high-tech thermal system, consistency, proven performance, and real accountability matter most. From our vantage point on the manufacturer’s floor, every kilogram represents hours of distillation, weeks of planning, and years of accumulated know-how. We take pride in bridging theory and fieldwork — because in our world, chemistry is only as good as the last batch that shipped on time, to the right spec, and without surprise.