Products

Stearyltrimethylammonium Bromide

    • Product Name: Stearyltrimethylammonium Bromide
    • Alias: Cetyltrimethylammonium Bromide
    • Einecs: 212-279-7
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: sales3@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    515348

    Chemical Name Stearyltrimethylammonium Bromide
    Cas Number 1120-02-1
    Molecular Formula C21H46BrN
    Molar Mass 408.50 g/mol
    Appearance White crystalline powder
    Melting Point 135-140 °C
    Solubility In Water Soluble
    Density 0.98 g/cm³
    Boiling Point Decomposes before boiling
    Odor Characteristic amine odor
    Storage Temperature Room temperature
    Ph 5-7 (1% solution)
    Synonyms Stearyltrimethylammonium bromide, Cetrimonium bromide
    Iupac Name N,N,N-Trimethyloctadecan-1-aminium bromide
    Ec Number 214-276-4

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

    Packing & Storage
    Packing Stearyltrimethylammonium Bromide is packaged in a 100g amber glass bottle with a secure screw cap, labeled with safety information.
    Shipping Stearyltrimethylammonium Bromide is shipped in tightly sealed containers, protected from moisture and incompatible substances. It should be kept in a cool, dry, and well-ventilated area. Handle with care, using proper PPE, as it may be harmful if inhaled or ingested. Transportation complies with relevant regulations for hazardous chemicals.
    Storage Stearyltrimethylammonium Bromide should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from moisture and incompatible substances such as strong oxidizers. Protect it from direct sunlight and sources of ignition. Properly label the container and ensure it is kept away from food and drink. Store at room temperature, avoiding humidity.
    Application of Stearyltrimethylammonium Bromide

    Purity 98%: Stearyltrimethylammonium Bromide with 98% purity is used in hair conditioner formulations, where it enhances cationic surfactant efficacy for improved detangling and softness.

    Melting point 240°C: Stearyltrimethylammonium Bromide with a melting point of 240°C is used in fabric softener production, where it ensures thermal stability during high-temperature processing.

    Molecular weight 364.46 g/mol: Stearyltrimethylammonium Bromide at 364.46 g/mol is used in antistatic coatings, where it provides uniform charge dissipation for electronic component packaging.

    Particle size <50 μm: Stearyltrimethylammonium Bromide with particle size less than 50 μm is used in emulsion polymerization, where it promotes rapid dispersion and stable emulsification.

    Stability temperature up to 200°C: Stearyltrimethylammonium Bromide stable up to 200°C is used in oilfield corrosion inhibitor formulations, where it maintains active performance under harsh thermal conditions.

    Viscosity grade low: Stearyltrimethylammonium Bromide with low viscosity grade is used in textile softening baths, where it allows for quick fabric penetration and uniform softening.

    Assay 99% min: Stearyltrimethylammonium Bromide assay 99% minimum is used in pharmaceutical excipient applications, where it guarantees consistent antimicrobial efficacy.

    Hydration rate fast: Stearyltrimethylammonium Bromide with fast hydration rate is used in personal care cream manufacturing, where it enables high-speed blending and homogeneous product texture.

    Solubility in water high: Stearyltrimethylammonium Bromide with high water solubility is used in paint additives, where it ensures clear dispersion and prevents pigment flocculation.

    HLB value 15.5: Stearyltrimethylammonium Bromide with HLB value 15.5 is used in emulsion stabilizer systems, where it achieves optimal phase stabilization in cosmetic and industrial creams.

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    Certification & Compliance
    More Introduction

    Stearyltrimethylammonium Bromide: Experience from the Manufacturer’s Floor

    Working with Stearyltrimethylammonium Bromide Daily

    Producing Stearyltrimethylammonium Bromide goes beyond just chemical reactions and batch control; it’s a process rooted in day-in and day-out attention to detail. As a manufacturer who directly oversees its production, I see firsthand how the specifics of raw stearyl chloride and trimethylamine ratios in our reactors shape the end result. We handle this quaternary ammonium compound under strictly controlled environments, maintaining clean, dry conditions. Our teams focus on consistency from the source reagents right through final packaging, since even small deviations affect both purity and subsequent customer confidence. Every lot reflects our hands-on care, not only to keep ionic content and moisture within a tight range, but to ensure appearance and solubility match what surfactant formulators and researchers expect.

    Model Breakdown and Real-World Specifications

    For those who rely on us for high-purity Stearyltrimethylammonium Bromide, we make it standard to supply a material that presents as a white or faintly creamy powder with a crystalline texture. Actual purity, based on NMR and titration, typically exceeds 98%. The melting point hovers around 150°C, and we watch these numbers batch by batch. The model we most frequently run targets a stearyl chain of C18 length, which allows for powerful cationic surfactant behavior in emulsions and antistatic films. We conduct moisture measurements with Karl Fischer titration, since even trace water changes the compound’s flow and shelf-life. Part of our process involves multiple recrystallizations for customers who need product for electronic, pharmaceutical, or high-end cosmetic use. Every shipment leaves our site only after rigorous particle size scanning and chloride/bromide content checks.

    How Stearyltrimethylammonium Bromide Finds Its Place:

    Chemists in different industries count on Stearyltrimethylammonium Bromide for more than its charge density. Through years of dialogue with clients who push the boundaries of emulsion polymerization, I’ve watched them add this quaternary salt to latexes or paint dispersions to control particle behavior. Textile engineers demand antistatic properties and lasting surfactant action, so we fine-tune physical form and granularity to suit continuous blending machinery. In personal care production lines, the gentle conditioning and preservation it adds to hair or skin products always stands out. We’ve seen research labs unravel its unique micelle formation, pointing to differences in how our product, with a C18 chain and relatively low impurity profile, performs versus shorter-chain or less purified analogs.

    What Makes Our Product Stand Apart

    Years working with the real material reveal differences that analytical methods alone can’t capture. Take competitive samples—color, flow, and clumping can vary batch to batch. Our plant minimizes handling in humid rooms and relies on sealed, temperature-regulated storage to keep powder fluffy and easy to disperse. It keeps quality up and headaches out of the production phase for those who use our material. Our direct manufacturing model means clients can request custom purity levels or even co-surfactant blends. We’ve supported major multicentric studies on stabilization of pigment dispersions or the effect of quaternary ammonium layout on textile surface friction. The biggest gains for our customers often appear in process consistency and ease of downstream filtration or compounding, all built on the ground floor of how we make Stearyltrimethylammonium Bromide.

    Dealing with Real Challenges

    One tough truth: even the finest Stearyltrimethylammonium Bromide loses performance if it ships or stores in poorly controlled climates. A decade ago, one batch sat in a humid warehouse over summer and started sticking together—our customer fought clumps in automated feeders for weeks. Since then, we invested in multi-layer barrier packaging and vacuum sealers on every order, supported by warehouse teams who monitor dew point every shift. Quality at delivery is no happy accident; it’s a decision made at each production step. Beyond that, we face raw material volatility: global shifts in fatty alcohol supply can affect both cost and lead time. An open relationship with several stearyl chloride sources, plus in-house testing to spot subtle contamination, keeps us on track. Every step, from pre-blending to final weight-out, stays in our hands, not a third-party’s.

    Feedback Loop: Users’ Experience Guides Our Production

    Real-world feedback drives every major process change we make. We’re sometimes pressed to tighten up our melting point window or drop trace amine impurities below industry norms. Plant-based product lines in cosmetics push for certificates of origin and allergen reporting, so our batch documentation has grown more rigorous than ever. Clients moving into medical coatings need precise granular control, since even tiny particles out of spec) can throw off release profiles in drug delivery. Pest-control formulators focus on how our bromide salt holds up in chitosan chloride or other biopolymer blends—and we develop small-lot test runs specifically for these scenarios. As direct manufacturers, our lines adapt: if a research chemist requires lower iron content for electronics, we rethink how we handle filtration and post-drying steps.

    Comparing Stearyltrimethylammonium Bromide to Other Cationic Surfactants

    Our compound’s standout feature remains its long C18 aliphatic tail. Dodecyltrimethylammonium Bromide shifts faster in water but offers less hydrophobicity, changing how emulsions behave or how textiles feel after treatment. Cetyltrimethylammonium Bromide lands somewhere in the middle and often serves as a control sample for surfactant activity studies. At our plant, we’ve made head-to-head material for the same clients running both CTAB and stearyl-based analogs, and the difference usually shows up in thermal stability and biocompatibility. Longer chain length modifies solubility in organic solvents and can bump up effectiveness in forming stable emulsions—vital in paints, agrochemicals, or thickened personal care creams. These subtle differences only become clear after hundreds of runs on production mixers and bench-top scale-up.

    On Purity, Particle Health, and Handling

    No one on our floor forgets that minute contamination spells hours of downtime during a client’s blending operation. Dust in a single vessel at our site can mean a whole batch fails release, so our plant floor practice includes dedicated vessels and closed material transfer. Repeat customers—especially those producing high-gloss inks or diagnostic reagents—tend to need enhanced purity. Extra filtration and air drying time extend production lead, but the final product handles better; there’s less compaction and a consistently free-flowing powder. During high-humidity months, our staff rotate shifts to double-check storage seals and log moisture levels, since even marginal increases play havoc in downstream automated conveyors or feeders. From experience, these little adjustments to manufacturing and handling answer more client challenges than generic lab specs ever could.

    Meeting Demands of Next-Generation Applications

    Research into antimicrobial surfaces, long-acting emulsifiers, and next-generation polymer coatings asks more of Stearyltrimethylammonium Bromide than ever before. Our partnerships with startup formulators often include feedback on viscosity control, crosslinker compatibility, and long-term storage stability. Plant engineers oversee small-batch runs with new ingredient blends, adjusting reaction times, drying profiles, and cooling rates to hit targets for physical form and dispersibility. Chasing breakthroughs, be it self-assembling nanoparticles or novel biomedical films, we continually validate our process controls and chemical analytics. We listen when a formulation chemist informs us about an issue, like discoloration after high-heat exposure, and adapt targeting those pain points directly at the source: batch purification, or even upstream raw material selection. Working at the coalface means we don’t speculate; we test and improve with each lot.

    Documenting and Ensuring Chain of Custody

    All our lots trace back to batch registers and chromatograph logs. As manufacturing standards rise globally, our lot tracking adjusts to ensure both backward and forward traceability. Clients, especially those producing regulated medical, agricultural, or consumer products, demand timely and accurate documentation down to shift logs, calibration sheets, and even water quality test results used in each batch. We treat these records as non-negotiable, not just compliance. In the field, clients recount sleepless nights after a supply interruption or off-spec consignment. Having direct control over all these logistics supports not just peace of mind, but lets us answer detailed technical and process queries quickly. Internal audits and outside certification help, but mostly it’s our on-the-ground teams driving this work.

    Manufacturing for Sustainability and Safety

    Sustainable production counts as much as purity in today’s marketplace. Our experience confirms that tightening solvent recycling, reducing rinse-water volumes, and using non-leaching packaging benefit us just as much as customers. Safe handling in our plant relies on continuous air monitoring, real-time exposure meters, and strict clean-down between product lines, not just for worker health but for product quality. We maintain clear separation between handling for quaternary ammoniums and other cationics to prevent cross-contamination. Our teams invest in rigorous training, so everyone from shift leads to new hires understands the delicate balance of yield, final quality, and environmental standards. We follow international guidance, but employee engagement and feedback often catch issues that paperwork misses.

    Global Supply Chain Realities and Customer Impact

    Raw material markets rarely sit still; price spikes in oleochemicals or changes in regulatory approaches on ammonium handling ripple straight through to end users. We adjust production schedules in real time based on cargo bottlenecks at ports, or sudden demand shifts from downstream industries—especially coatings and personal care. Direct communication, not generic forecasts, prevents most stock-outs or delays. Many clients have moved away from third-party packagers or brokers specifically because hands-on manufacturers can react in days, not weeks. Our warehousing and real-time shipment tracking come right out of hard-won lessons in missed deadlines and costly air shipments for panicked clients. Risk management, from raw material hedging to delivery timetable adjustments, forms a core part of what we offer.

    Transparency: Earning Trust as Manufacturers

    Experience shows that chemical buyers return not for grand marketing claims, but because we hold nothing back about how our Stearyltrimethylammonium Bromide comes to be. Clients walk our plant floors, scrutinize step-by-step logs, interview our synthesis and quality leads. Open doors, from tank farms to drying ovens, foster collaboration and flag up issues before they grow. We don’t shy away from sharing both capabilities and limitations—if a batch doesn’t hit a key spec, clients know before product ships. This transparency breeds respect, saves them costly surprises, and leads to lasting partnerships. Our team gains every time a client brings a new challenge or use case, because true understanding takes shape from shared experience, not data sheets.

    Hands-On Innovation: Adapting Equipment and Processes

    Laboratory innovation only goes so far without the right manufacturing muscle. We’ve customized our reactors for optimal mixing of hydrophobic and hydrophilic phases, and replaced legacy glass-lined vessels with stainless units to manage batch expansion and thermal cycling more effectively. As we scale, upgrades move from the theoretical to the practical: improved filtration lets us remove trace catalyst residues, and controlled vacuum drying lines guarantee consistent color and powder texture. Our maintenance crews and process chemists regularly brainstorm improvements, often inspired by direct client feedback about difficulties in process transfer or stator design. Each small-scale tweak, from filter mesh changes to dust suppression agents, trickles through the supply chain, improving reliability for every subsequent user.

    Getting Specific: Why Purity and Chain Length Matter

    The story of Stearyltrimethylammonium Bromide rests on more than just a molecular formula. Small contaminants—encountered every so often from less diligent suppliers—build up in sensitive applications. Our focus on the C18 chain length stems from repeated casework on antistatic textile finishes: shorter chains lose effect quickly and wash out in just a few cycles. For water-based emulsion uses, we keep salt byproducts low, since minor changes can make latex coalescence uneven and produce visible phase separation. Our own experience in scaling from lab to ton-scale has proven the need for granular particle control; too coarse leads to filter clogs, too fine and it dusts out of feeders. By keeping every production variable visible and adjustable, we meet very specialized requirements again and again.

    Building a Resilient Production Team

    Behind every batch stands a group of trained professionals who take pride in getting the details right. Each shift passes down notes—on feed rates, mix times, temperature anomalies, or even minute changes in reagent odor. Training never stalls: refresher courses and hands-on calibration sessions let us avoid the complacency that leads to slip-ups. We see value in cross-training; one operator’s perspective can solve a blending problem downstream in packaging. Safety remains a day-in, day-out focus: equipment checks, spill drills, and inspections run parallel with regular production, because an unsafe plant can’t sustain consistent chemical quality. We encourage open communication on every level of the plant, which leads to fast problem-solving and constant incremental improvement.

    Customer Partnership: Supporting Ongoing Innovation

    Direct involvement in manufacturing brings advantages for both users and our own teams. Recently, a customer developing a hybrid organic-inorganic coating asked if we could tweak moisture content to improve their dispersion stability. Our chemists ran targeted batch trials, adjusted vacuum drying times, and supplied small test lots that allowed their lab to achieve better results. This feedback loop lets our product evolve right alongside our clients’ innovations. In many ways, final applications push our process forward. Whether for modifier blends, novel emulsifiers, or biomaterial stabilizers, we continue adjusting to meet a range of customer needs—always guided by the belief that close technical collaboration serves everyone best.

    Continuous Process Improvement

    Stearyltrimethylammonium Bromide production presents ever-new opportunities for improving efficiency, sustainability, and end-user results. On-site plant modifications allow us to test and implement small changes, such as switching energy sources or adjusting filtration strategies. Years in this industry have taught us that the small, consistent changes often support better quality outcomes than large overhauls. Particle distribution improvements or packaging optimizations—drawn straight from customer feedback—deliver value without introducing unnecessary risk or cost. Documenting every process change means our decisions rest on real data, not just intuition. This rigorous, documented improvement cycle becomes visible in both regulatory compliance records and in the ease with which our material integrates into customer recipes or trials.

    Real Value Comes from Direct Experience

    No amount of generic product data replaces hands-on production and close customer engagement. On the plant floor, our teams see the quirks each chemical brings—how a day’s humidity shifts drying curves, or how a new reactor jacket design improves heat transfer and reduces off-spec output. Supporting researchers, manufacturers, and innovators using Stearyltrimethylammonium Bromide means joining them in the details, learning from their applications, and striving to provide a dependable, consistent product. Decades of direct manufacturing experience make us confident in responding to both urgent requests and long-term development projects. That commitment to reliability, adaptation, and shared progress defines the difference between what goes into the bag and what arrives at the customer’s process door.

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