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N-Tetratriacontane

    • Product Name N-Tetratriacontane
    • Alias n-Tetratriacontane
    • Einecs 205-658-8
    • 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

    469408

    Cas Number 14167-59-0
    Molecular Formula C34H70
    Molecular Weight 478.90 g/mol
    Iupac Name Tetratriacontane
    Appearance White crystalline solid
    Melting Point 75-78 °C
    Boiling Point ~498 °C
    Density 0.818 g/cm³
    Solubility In Water Insoluble
    Flash Point >200 °C
    Refractive Index 1.443
    Pubchem Cid 12317

    As an accredited N-Tetratriacontane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing N-Tetratriacontane is packaged in a sealed 25g amber glass bottle, clearly labeled with hazard information and product details.
    Shipping N-Tetratriacontane should be shipped in tightly sealed containers, protected from physical damage and moisture. It is non-hazardous under standard shipping regulations, but proper labeling and documentation are required. Transport at ambient temperature is acceptable. Comply with all local, national, and international regulations when shipping N-Tetratriacontane.
    Storage N-Tetratriacontane should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances. Protect from heat, moisture, and direct sunlight. Ensure that storage containers are clearly labeled and comply with relevant safety regulations. Keep away from strong oxidizing agents to prevent hazardous reactions.
    Application of N-Tetratriacontane

    Applications of N-Tetratriacontane in Industrial Manufacturing

    N-Tetratriacontane, as a high-purity straight-chain alkane, finds targeted industrial applications driven by its excellent hydrophobicity, chemical inertness, and melt point stability. As a specialized manufacturer, we directly supply this material to specific downstream production sectors where long-chain paraffins are essential for formulation consistency, performance stability, and advanced technical standards. Below we outline key industrial scenarios with detailed compliance, formulation, process, and end-use information curated from active global supply experience.

    1. Pharmaceutical Tablet Coating (Protective Wax Matrix)

    Solid oral dosage manufacturers utilize N-Tetratriacontane as a non-reactive, hydrophobic barrier wax in controlled-release tablet coatings. Its molecular chain length reduces water permeability and modulates the release kinetics of actives. Deployment requires strict compliance with pharmacopeial purity and allowable excipient status, with production relying on melt dispersion and high-precision coating equipment for batch consistency.

    Industry compliance standards

    • United States Pharmacopeia (USP) NF Monographs for Pharmaceutical Excipients
    • European Pharmacopoeia (Ph. Eur.) and European Medicines Agency (EMA) excipient guidelines
    • Good Manufacturing Practice (GMP) for excipient sourcing
    • Japan Pharmacopoeia (JP) for applicable excipient use

    Typical usage ratio

    • 1.5%–5% of the total tablet weight in the coating layer, adjusted based on desired drug release profile and batch size

    Downstream process integration

    • Integration in melt or solvent-based coating batches, introduced alongside dispersing agents and applied via automated coating systems after core tablet compression and prior to drying/polishing

    Final product types

    • Modified-release and enteric-coated tablets
    • Controlled-release pharmaceutical pellets
    • Moisture-resistant supplement tablets

    2. Specialty Hot-Melt Adhesive Manufacturing

    Producers of technical adhesives for industrial and packaging applications incorporate high molecular weight alkanes like N-Tetratriacontane to adjust melt viscosity, extend open time, and improve adhesive flexibility. Its precise melting behavior ensures stable rheological properties essential for continuous production, especially in high-speed automated plants producing multi-component blends.

    Industry compliance standards

    • FDA 21 CFR 175.105 for indirect food contact in adhesive formulations
    • EU Regulation (EC) No 1935/2004 for materials and articles intended to come into contact with food
    • REACH regulation for chemical safety in industrial processes
    • ISO 9001:2015 certified quality management systems for adhesive production

    Typical usage ratio

    • 3%–10% in total adhesive mass, with higher levels for formulations aiming for reduced cold flow or extended softening points

    Downstream process integration

    • Added during the hot-melt compounding stage alongside polymers, tackifiers, and plasticizers, incorporated by direct feeding into extruders or jacketed mixers under nitrogen atmosphere

    Final product types

    • Hot-melt adhesives for bookbinding
    • Food packaging sealants
    • Industrial assembly adhesives

    3. Precision Electronics Moisture Barrier (Conformal Coating Formulation)

    Electronics manufacturing sectors requiring stringent protection for sensitive assemblies use N-Tetratriacontane as a functional melt-phase hydrophobic agent in custom conformal coatings. This use leverages its low dielectric constant and moisture barrier properties, particularly in environments where protective film uniformity and high-purity specifications are prioritized.

    Industry compliance standards

    • IPC-CC-830 Standards for electronic assembly coatings
    • RoHS Directive (2011/65/EU) compliance for electronics
    • IEC 61086 for coatings on printed circuit boards
    • ISO 14001 for environmental management in electronics manufacturing

    Typical usage ratio

    • 2%–6% in total coating formulation, with variation depending on expected environmental exposure and required dielectric strength

    Downstream process integration

    • Dispersed within polymeric matrix during the pre-polymer blend phase; applied via spray, dip or selective coating systems post-assembly cleaning, then cured under controlled atmosphere

    Final product types

    • Moisture-resistant printed circuit board assemblies
    • Sensor protective coatings
    • Medical electronic device modules

    4. Cosmetic Stick Formulation (Base Structurant for Solid Products)

    Personal care manufacturers requiring firmness and glide control in stick format cosmetics select high-purity long-chain alkanes for their structuring roles. N-Tetratriacontane supports the development of clear, uniform matrices, balancing oil-holding capacity with the precise melting characteristics demanded by high-quality lipsticks and deodorants.

    Industry compliance standards

    • EU Regulation (EC) No 1223/2009 for cosmetic products
    • U.S. FDA Cosmetic Ingredient Review (CIR) guidelines
    • IFRA Standards for fragrance applications within solid cosmetic sticks
    • ISO 22716 GMP for cosmetics manufacturing

    Typical usage ratio

    • 1%–8%, depending on stick hardness, sensory requirements, and compatibility with active cosmetic agents

    Downstream process integration

    • Added at the base oil melt stage together with pigments, emollients, and waxes, processed via high-shear mixing and vacuum deaeration before casting into molds

    Final product types

    • Lipsticks and lip balms
    • Solid deodorant sticks
    • Face concealer sticks

    5. Polymer Processing Aid in Polyolefin Film Production

    Producers of specialized polyolefin films, including ultra-thin packaging and protective layers, incorporate long-chain paraffin additives to control static, modify surface friction, and prevent melt fracture during extrusion. N-Tetratriacontane’s molecular weight distribution ensures uniform dispersion and compatibility with film-grade resins.

    Industry compliance standards

    • ASTM D882 for film tensile properties
    • US FDA 21 CFR 177.1520 for olefin polymers in food packaging
    • ISO 1133 for polymer melt flow testing
    • Health Canada Food Packaging Materials Standards

    Typical usage ratio

    • 0.1%–0.5% of total polymer blend, optimized according to film grade and processing equipment parameters

    Downstream process integration

    • Integrated during masterbatch preparation and dry blending, added upstream of extrusion to maintain additive dispersion and consistency in final film characteristics

    Final product types

    • Food-safe polyolefin packaging films
    • High-clarity shrink wrap
    • Protective technical films for electronics

    6. Candle Manufacturing (Premium Pillar and Decorative Candles)

    Specialty candle manufacturers utilize long-chain alkanes like N-Tetratriacontane in paraffin blends to achieve higher melting points, promote clean burning, and enhance shape retention for complex decorative candle designs. Its controlled crystallization behavior enables improved fragrance retention and longer burn times in finished goods.

    Industry compliance standards

    • ASTM F2417 for candle fire safety labeling
    • EU General Product Safety Directive 2001/95/EC
    • EN 15426:2007 for candle soot behavior
    • IFRA standards for scents in candles

    Typical usage ratio

    • 2%–9% in relation to total wax blend, proportion adjusted for ambient operating temperatures and fragrance oil compatibility

    Downstream process integration

    • Incorporated at wax melting stage prior to pigment and fragrance additions, with customized blending for mold or extrusion casting, followed by controlled cooling for optimal structure

    Final product types

    • High-gloss pillar candles
    • Sculpted decorative candles
    • Fragrance-retentive votives
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    Certification & Compliance
    More Introduction

    N-Tetratriacontane: A Closer Look From Our Manufacturing Floor

    What Sets Our N-Tetratriacontane Apart?

    After years of producing high-purity alkanes, our team has seen steady attention shift towards specialty long-chain hydrocarbons—like N-Tetratriacontane. As a genuine manufacturer, our experience centers on seeing this particular compound go from raw input to crystalline, waxy output. Known chemically as C34H70, its straight-chain structure offers more than just another line on a technical chart. Day-to-day, we see requests from research labs, formulation teams, and industrial designers who need a very clean, well-defined saturated hydrocarbon that stands apart from run-of-the-mill paraffins.

    N-Tetratriacontane’s model number within our product portfolio, 34370, tells our logistics staff its exact position in our workflow. Every lot we produce is held to a minimum purity level of 98%, verified by gas chromatography. In our factory, experienced staff check appearance and melting characteristics, not trusting automated output alone. Material with visible contamination or off-spec melting points never leaves our site. Over the years, this focus has cemented trust—not only in academic circles, but within the battery, certification, and analytical standards market. Our team hears from clients when their applications need reliability batch to batch, and that’s where attention to detail in purification makes all the difference.

    The Unique Performance of N-Tetratriacontane

    Over the span of our operations, N-Tetratriacontane’s physical properties—especially its higher molecular weight and melting point—keep surfacing as the factors that distinguish it from shorter-chain analogs. Our typical product appears as brilliant white crystals or flakes. Consistency of color and clarity signals an absence of branching or unsaturated byproducts, which often complicate other sources of hydrocarbon.

    Inside our plant, we utilize fractionation and fine filtration, because experience taught us the challenge: It only takes trace impurities to greatly affect performance in applications such as calibration standards or phase-change materials. Colleagues report that simple paraffin waxes rarely offer the clean break in melting temperature researchers seek. When users look for phase transition behavior in the 75–80°C range, they return to N-Tetratriacontane, since typical shorter-chain paraffins fail to give a sharp, repeatable phase change.

    N-Tetratriacontane in Practice: From Our Benches to Your Application

    We’ve worked with academic clients investigating polymer crystallinity and chain alignment, industrial partners engineering insulation, and teams building oil simulants. N-Tetratriacontane acts as a reliable reference for longer-chain n-alkanes, favoring settings where batch reproducibility and chemical definition matter. We supply both small and bulk quantities, yet our refining and packaging processes remain identical. This attention comes from years spent troubleshooting what can go wrong if material sits too long at the wrong temperature or is exposed to airborne particulates.

    For phase change material manufacturers, N-Tetratriacontane supports development of high-latent-heat energy storage systems or thermal regulation components. Years of feedback show that industrial users faced with temperature stability demands appreciate this compound, as it releases and absorbs heat in a narrow range thanks to its well-defined structure. Where C20–C30 paraffins may soften across a range, C34 performs with precision—especially in electronics cooling modules or solar energy capture.

    We’ve partnered with chromatographers who use N-Tetratriacontane as a chain-length reference. Each time, demands arise not for generic hydrocarbons, but for a compound free from aromatic signals or BHT residues, which can block critical peaks. Our plant has responded by avoiding contact with rubber, choosing stainless steel and glassware, and regularly refreshing inert-gas blanketing on storage tanks.

    The research community has also valuated the absence of isomeric impurities. For quality assurance, we routinely supply third-party analysis certificates, beyond our standard in-house results. Direct engagement with specification-savvy end-users shaped our commitment to consistent reporting and trace impurity documentation. We have seen how one out-of-spec order can compromise analytical calibration curves or precise melting studies—in our experience, putting preventative steps in production pays off in credibility.

    Comparing to Other n-Alkanes: Lessons from Manufacturing

    Though the general behavior of n-alkanes trends predictably with chain length, every additional –CH2– unit produces subtle but important effects, especially at higher carbon numbers. In our production line, N-Tetratriacontane separates more distinctly than n-Octacosane or n-Triacontane during distillation, requiring temperature and vacuum adjustments not necessary for shorter chains. The longer chain gives it a higher melting point and stronger tendency to crystallize into compact, stable structures.

    We monitor for trace odd-carbon n-alkanes in each batch. This attention comes after learning firsthand that even small amounts can distort thermal or chromatographic profiles. By contrast, bulk paraffin blends offered by general chemical suppliers typically include a sweep of chain lengths, which may underperform in lab calibration. We stick to pure, single-peak output, having addressed numerous field complaints stemming from ambiguous or poorly resolved transition points in generic wax blends.

    This compound catches attention for its role in surface science. Researchers looking at molecular self-assembly or thin-film crystallinity report that N-Tetratriacontane forms neat monolayers on clean silicon or glass, showing distinct behavior compared to the more amorphous films of commercial paraffins. Our batches reach customers with evidence for this regularity—images of lamellar packing and comments on clean edge definition consistently return as feedback.

    Usages We’ve Supported Over the Years

    Among the most robust uses, our partners have built thermal storage elements for smart textiles and building systems, capitalizing on N-Tetratriacontane’s repeatable energy uptake and steady cycling. Our factory staff recollect requests for kilogram-scale quantities, always with questions about long-term stability under cycling. After hundreds of cycles, few alkanes retain their neat crystal structure or avoid decomposition—this compound stands out for its long-term durability, as documented both in-house and by demanding end-users.

    Our support has also extended to pharmaceutical and cosmetic formulation trials. In this industry, consistency and absence of odor matter most. N-Tetratriacontane shows minimal scent and no residual flavors that could disrupt consumer product profiles. Many cosmetic chemists now prefer high-purity batches, requesting data confirming the absence of low-molecular-weight volatile impurities that might otherwise alter cream texture.

    Another uncommon but steadily growing use comes from analytical circles developing hydrocarbon calibration ladders. One of our earliest university collaborators requested a run of pure C34H70, single-peak n-alkane, allowing laboratories to assign chain length retention indices with narrow tolerances during gas chromatography. Experience told us even minor sample contamination—a familiar problem in high-throughput labs—would cause test failures. We have since held all batches to these higher standards, foreseeing future analytical demands.

    Pitfalls and Solutions—From Our Lens as Producers

    Direct engagement with industrial and academic users trained us in the specific headaches experienced when quality slips or supply consistency wavers. The single biggest concern expressed by our partners has been contamination by lower or higher homologs, which destroys the sought-after thermal precision. In response, we implemented closed-loop distillation—minimizing operator contact, adjusting materials transport workflows, and moving toward container systems that do not leach plasticizers.

    Storage conditions are another lesson learned from long service in the sector. We refrigerate finished lots, keeping them away from reactive metal shelving and open-air exposure. Each storage chamber has continuous humidity and temperature monitoring, and material never spends more than a week unpackaged post-filtration—a learning adopted after a handful of batches showed trace yellowing during high ambient temperatures.

    A common query from battery and electronics firms focuses on material purity under extended cycling, since impurities can degrade performance after repeated melts. Using high-grade nitrogen blanketing, and fresh vacuum-sealed containers, sharply reduced these occurrences. This small investment in packaging means returned lots for instability are now a rare event.

    Our relationship with logistics partners improved after implementing our own traceability system—tracking source input, fractional distillation step, filtration cycle, and packaging. No third-party warehouse repacks our product. We maintain control from synthesis through to shipment, following a path of continuous audit.

    Hurdles, Developments, and Client-Inspired Innovations

    One aspect of progress has been customizing packing to fit large research or field deployments. Direct requests led us to develop tamper-evident, amber glass bottles for laboratory lots, and heat-sealed aluminum pouches for bulk shipments. Packaging plays a bigger role than expected; past batches stored in unlined metal pails sometimes absorbed trace metals, so we phased out that option completely.

    Input from polymer research partners sparked enhancements in product drying and handling. Static charge posed a challenge, leading to slowed bulk transfer and caking in dry weather. We moved to static-dissipative linings, reducing product loss and user frustration. All these changes stemmed from working side-by-side with end-users—experience no datasheet could match.

    With the increase in sustainable chemistry projects, several collaborators asked about biobased feedstock. Presently, all our N-Tetratriacontane is petroleum-derived, refined to the point where biogenic signature cannot be detected. But R&D activities continue, exploring catalysts and raw sources that may eventually lead to a renewable line without performance tradeoff. The reality: maintaining high purity and chain definition from plant-derived sources adds complexity upstream. Continuous dialogue with process chemists and material scientists means we’re prepared to adopt new routes once technical thresholds meet customer requirements.

    Traceability, Certification, and Trust—From Our Shop Floor Up

    Transparency stands front and center in our business, not out of obligation, but from seeing how small lapses damage long-term relationships. Each lot ships with full certificate of analysis, detailing melting range, appearance, and impurity levels measured by GC and NMR. Wherever a user requests additional third-party documentation, our technical team engages laboratories with strong track records—not lowest cost, but highest accuracy.

    We also listen for early warning signals from research partners and address any departures from target purity or performance before they ripple out. Rapid incident follow-up in our field has meant less lost time and more repeat business. Our overall philosophy: Quality claimed by a spec sheet alone falls short of the standard set by direct, open collaboration.

    Increasing requests from regulatory and environmental safety teams led our documentation staff to add batch-level trace metals analysis, leachable residue tests, and expanded transport statement detail. We believe supporting client compliance shouldn’t be a paperwork race, but a proactive collaboration. Over time, this outreach reduced audit delays for new product launches and lowered cases of upstream supply chain disruption.

    We continue refining chemical analysis protocols, investing in technology and people who understand the importance of cross-checking results—not just for product sign-off, but to catch systemic drifts before they reach the customer.

    Real-World Impact and Looking Ahead

    N-Tetratriacontane’s value springs from multiple niches. Out in practice, battery firms count on it for stable cycling, while researchers push its boundaries in surface assembly experiments. Cosmetic chemists praise the sensory neutrality it brings, and our own technicians see less downtime chasing contamination issues compared to handling commercial paraffin blends. Over many years, the product has surpassed expectations, evolving in parallel with our understanding of how fine-tuning process makes or breaks real-world performance.

    As markets shift, our R&D pipeline stays focused on extending the reach of this compound into new applications. Whether storage media, advanced coatings, or as a backbone for new types of engineered hydrocarbon structures, we anticipate new requests. Our focus remains—deploying the practical lessons learned on the shop floor, the chemical bench, and in dialogue with the communities that rely on narrow, high-purity n-alkanes.

    Decades spent refining, testing, and troubleshooting have shaped not just a higher quality N-Tetratriacontane, but a manufacturing approach anchored around technical respect and long-term partnership. Whether the next challenge comes from green chemistry, high-throughput analysis, or specialty manufacturing, our commitment stands: to deliver reliable material, every batch, backed by lived-in experience, technical rigor, and a plainspoken promise to learn—because in our field, real results come from what you do, not just what you say on a label.