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Cetyldimethylethylammonium Bromide

    • Product Name Cetyldimethylethylammonium Bromide
    • Alias CTAB
    • Einecs 208-926-9
    • 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

    136058

    Cas Number 1120-02-1
    Molecular Formula C20H44BrN
    Molar Mass 378.48 g/mol
    Appearance White crystalline powder
    Melting Point 242-247 °C
    Solubility In Water Soluble
    Boiling Point Decomposes
    Iupac Name N-ethyl-N,N-dimethylhexadecan-1-aminium bromide
    Density 0.87 g/cm³ (approximate)
    Odor Characteristic, amine-like
    Storage Conditions Store in a cool, dry place
    Ph Value 6.0-8.0 (1% solution)

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

    Packing & Storage
    Packing The packaging is a sealed, amber glass bottle containing 100 grams of Cetyldimethylethylammonium Bromide, labeled with safety and chemical information.
    Shipping Cetyldimethylethylammonium Bromide should be shipped in tightly sealed containers, protected from moisture, heat, and direct sunlight. Comply with local, national, and international regulations for the transport of chemicals. Handle with care to prevent leaks or spills, and clearly label all packaging with hazard information and handling instructions for safe shipping.
    Storage Cetyldimethylethylammonium Bromide should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Protect it from moisture, heat, and direct sunlight. Ensure the storage area is equipped with appropriate spill response materials and labeled clearly. Follow all local regulations and safety guidelines for handling and storage.
    Application of Cetyldimethylethylammonium Bromide

    Applications of Cetyldimethylethylammonium Bromide in Industrial Manufacturing

    Cetyldimethylethylammonium bromide finds essential roles in controlled industrial settings due to its cationic surfactant properties, efficient antimicrobial performance, and compatibility with various formulation environments. As a direct manufacturer, we supply this material to multiple downstream industries requiring strict adherence to process, safety, and end-use standards. Below, we present detailed industrial applications where this ingredient supports proprietary performance and compliance requirements.

    1. Pharmaceutical Antiseptic Formulation

    Leading pharmaceutical manufacturers incorporate this compound as an active ingredient or co-formulant in topical antiseptics and disinfectants targeting hospital-associated pathogens. Its quaternary ammonium structure disrupts cell membranes of bacteria and select viruses. The raw material must comply with strict pharmacopoeial monographs and undergo validated process integration during aseptic manufacturing. Finished products undergo rigorous analytical verification before market release.

    Industry compliance standards

    • USP-NF and Ph. Eur. specifications for quaternary ammonium compounds
    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • 21 CFR Parts 210/211 for pharmaceutical manufacture
    • ISO 13485 for medical device disinfectant integration

    Typical usage ratio

    • 0.05% to 0.3% w/w, adjusted based on antimicrobial spectrum, exposure contact time, and vehicle compatibility

    Downstream process integration

    • Dissolution in purified water during batch solution preparation
    • Homogenization with co-solvents and excipients in reactor vessels
    • Filtration and aseptic filling before packaging

    Final product types

    • Topical skin antiseptic solutions
    • Medical instrument disinfectant wipes
    • Pre-surgical hand scrubs
    • Hospital hard surface disinfectant sprays

    2. Textile Antimicrobial Finishing

    Apparel and technical textile producers use this substance in bath finishing to impart long-lasting antimicrobial protection to natural and synthetic fibers. It helps prevent bacterial odor, cross-contamination, and fiber degradation in hospital, hospitality, and industrial textile applications. The material must meet precise dosing and residual limits defined by product end-use requirements.

    Industry compliance standards

    • OEKO-TEX Standard 100 Annex 6 (Class I–IV) for harmful substances
    • REACH Annex XVII restrictions (EU)
    • GB/T 20944.3-2008 Antibacterial Activity of Textiles (China)
    • AATCC TM100 for antibacterial finishes (USA)

    Typical usage ratio

    • 0.1% to 0.5% weight of bath, optimized for fiber type, finishing temperature, and required efficacy

    Downstream process integration

    • Addition to aqueous finishing baths post-dyeing
    • Pad-dry-cure or exhaustion method during continuous production
    • Controlled drying and polymerization to fix antimicrobial agent onto fiber

    Final product types

    • Medical staff uniforms and linens
    • Healthcare mattress and pillow covers
    • Sportswear and odor-resistant socks
    • Public transportation upholstery fabric

    3. Oilfield Chemical Additive (Corrosion and Microbial Control)

    Primary and secondary oilfield operators depend on cationic surfactants such as this one for corrosion mitigation and microbial risk management in downhole and surface equipment. It acts as both a biocide and a phase transfer agent, suitable in harsh saline environments. The dosing regime requires calibration according to field data, pipeline materials, and compliance with environmental regulations.

    Industry compliance standards

    • API RP 682 Section 15.3 for oilfield biocides
    • OCNS (Offshore Chemical Notification Scheme, UK) hazard rating
    • US EPA TSCA inventory requirements
    • ISO 13623:2009 for pipeline transport management systems

    Typical usage ratio

    • 5 to 100 ppm in injection water or oil phase, adjusted according to microbial load and system throughput

    Downstream process integration

    • Batch or continuous injection into wellbore and topside facility fluid streams
    • Mixing with scale and corrosion inhibitors
    • Monitoring through periodic field assays

    Final product types

    • Crude oil with reduced microbial contamination
    • Produced water with controlled bioload
    • Cleaner and corrosion-protected transport pipelines
    • Extended life drilling equipment and downhole tools

    4. Hair Care and Conditioning Formulation

    Personal care product manufacturers employ this raw material for cationic conditioning in rinse-off and leave-in hair care products, especially where detangling, static control, and frizz reduction are required. The formulation respects regional cosmetic regulations and aligns with traceability demands for batch production and allergen avoidance.

    Industry compliance standards

    • EU Cosmetics Regulation (EC) No 1223/2009
    • IFRA code of practice
    • FDA 21 CFR 700 Subpart B for permitted cosmetic ingredients (USA)
    • China National Cosmetic Safety Technical Standard GB 7916

    Typical usage ratio

    • 0.05% to 0.3% in hair conditioners, adjusted for product type (rinse-off, leave-in), hair compatibility, and regulatory maximum limits

    Downstream process integration

    • Premixing into oil or water phase prior to emulsion formation
    • Rotary homogenization at controlled temperature
    • Filling into consumer or professional packaging under cGMP conditions

    Final product types

    • Detangling conditioners
    • Leave-in hair creams and sprays
    • Anti-static hair masks
    • Salon-grade smoothing treatments

    5. Industrial Water Treatment – Cooling Tower and Recirculating System Biocides

    Facilities maintenance contractors and process water system operators apply this material as a non-oxidizing biocide to control bacteria, algae, and fungi within open and closed loop systems. It helps maintain heat exchange efficiency and prevents health hazards such as Legionella, complying with strict dosing, residual, and effluent requirements.

    Industry compliance standards

    • ANSI/ASHRAE Standard 188-2018 for Legionellosis Risk Management
    • US EPA FIFRA regulations for registered biocides
    • EN 13623 for the control of Legionella in water
    • Local wastewater discharge permits (e.g. EU Urban Waste Water Directive 91/271/EEC)

    Typical usage ratio

    • 10 to 40 ppm in circulating water, varied per biological risk level and water chemistry (pH, hardness, organic load)

    Downstream process integration

    • Direct injection into main recirculating lines or cooling basins
    • Dilution and distribution via dosing pumps with real-time sensor feedback
    • Residual testing performed according to risk management protocols

    Final product types

    • Bacteria-controlled industrial cooling water
    • Cleaned HVAC coils and heat exchanger systems
    • Safe industrial chilled water systems
    • Water-dosed chemical blend concentrates

    6. Paper Industry: Wet-End Antimicrobial and Strength Additive

    Commercial papermakers use this raw material at the wet-end of paper machines to prevent microbial spoilage and to impart cationic charge, promoting pulp flocculation and improved sheet formation. The dosing plan adapts to machine speed, furnish quality, and grade demand for hygiene-critical paper products.

    Industry compliance standards

    • FDA 21 CFR 176.170 for paper in contact with aqueous and fatty foods (USA)
    • SANITIZED® Hygiene Function Standard (EU)
    • ISO 9001 for quality management in pulp and paper production
    • SEPA (China) Emission Standards for Pulp and Paper Industry

    Typical usage ratio

    • 0.01% to 0.07% on dry fiber, with fine adjustments for target paper weight, fiber type, and runnability requirements

    Downstream process integration

    • Metered dosing into headbox feed
    • Combining with sizing or retention aids during stock preparation
    • Post-treatment as a topical spray for specific anti-microbial grades

    Final product types

    • Medical and hospital tissue paper
    • Food service paper wraps
    • Sanitary napkin liner tissue
    • Household antibacterial paper towels
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    Certification & Compliance
    More Introduction

    Cetyldimethylethylammonium Bromide: Firm Performance Built From the Lab Up

    Making Cetyldimethylethylammonium Bromide: Our Experience and Perspective

    Producing Cetyldimethylethylammonium Bromide brings us right to the intersection of real-world chemistry and market necessity. We have dedicated decades to refining its synthesis, shaping both its performance and the trust that formulators place in it. Each batch tells a story – not just a string of reactions, but a series of choices that have a direct impact on purity, stability, and batch-to-batch reliability. The model we continue to perfect is a white crystalline powder, recognized by its chemical fingerprint and by its consistent behavior in processing. Many in laboratory and industrial settings know it by its shorthand, EDAB, though its systematic identity is more formal.

    We see a deep value in small details. There’s a difference you can sense when handling Cetyldimethylethylammonium Bromide crafted with careful, controlled alkylation and highly monitored purification. Residual impurities — if left unchecked — will affect solubility, impact downstream reactions, and in some cases interfere with analytical results. Over time, our investments in monitoring and analytical chemistry have reduced those inconsistencies, raising the quality bar for chemists who rely on it. This isn’t only about hitting a purity mark, it’s also about creating predictability. Every time a chemist opens a drum in their lab, they need their solvent mixtures or analytical reagents to behave as planned. That can’t happen with surprise variants or off-spec side-products wandering in; we’ve seen competitors let these slip by because routine checks were skipped or supply sources weren’t fully understood.

    Our product lands on the desks of people looking for a dependable quaternary ammonium salt for specialized surfactant blends, phase transfer catalysts, or antimicrobial formulations. Cetyldimethylethylammonium Bromide stands out among quaternary ammonium compounds because of its unique balance of hydrophobic and hydrophilic properties, a fine-tuned effect achieved by the selected alkyl chain (cetyl) and the structure of the tertiary amine. The way we control the synthesis and drying processes influences more than color or flow properties—it protects the active sites that chemists count on. We do not ship powder that has spent excessive time absorbing stray moisture or contaminants.

    What Matters About the Model and Specifications

    In the market, many offer ammonium bromides, but subtle differences in their carbon chain structure make all the difference. Ours hits a reliable melting point and clean end-point in titrations—something that only holds true when the chain length remains unaltered and the bromide counterion comes from carefully sourced materials. We keep moisture below 0.5% by paying attention to storage conditions and final packaging. Clumping, discoloration or caking might signal slip-ups, whether from process shortcuts or inferior raw material. Past experience has taught us that even cost pressures from upstream suppliers cannot justify moving away from these standards. The results show up in yields and reproducibility for our downstream partners.

    Particle size sits in a narrow, consistent range. That makes our product dissolve smoothly, leaving no undissolved residue to foul up precision work. Some manufacturers lean on re-grinding to mask granule size variation, but this often damages crystal integrity and can cause electrostatic charging or dust hazards. We engage in process design from the ground up, dialing in agitation speeds, filtration choices, and drying curves that safeguard both usability and safety.

    Understanding Where It Fits: Chemistry in Action

    From a formulation standpoint, what gives Cetyldimethylethylammonium Bromide its edge? For one, its activity in surfactant systems emerges directly from our control of its cationic structure and bromide purity. We have heard from customers who ran comparative trials between our batches and generic alternatives, only to find phase separation or unexpected precipitates when purity dipped or crystal water content drifted. In phase transfer catalysis, a stray percentage point in moisture or organics can shift equilibrium points and impact reaction times or product selectivity. Researchers and technical staff in catalysis, surface chemistry, and even certain pharmaceutical intermediates blend our material into their process only after running dozens of side-by-side trials. They don’t chase the lowest cost; they want something rigorous that matches lab results at the kilo or ton scale.

    Direct Comparison: Cetyldimethylethylammonium Bromide vs. Standard Quats

    The ammonium compound landscape packs a wide range of structures. Each variant offers different levels of hydrophobicity, biodegradability, and antimicrobial properties. Compared to more familiar cousins like cetyltrimethylammonium bromide (CTAB), our compound handles phase boundaries a bit differently. It carries a slightly bulkier alkylated group – and chemists working with complex emulsions or enhanced oil recovery (EOR) agents notice how it behaves in oil-water-surfactant systems, sometimes offering better interfacial activity or different solubility curves. This brings an edge in specialized cleaning or extraction formulations where a little extra performance reduces waste or boosts stability.

    The difference does not end with performance in the beaker. Regulatory trends continue to press harder on surfactant toxicity and residue limits in environmental outlets. Because our technical team follows regulatory updates and participates in consortia that monitor emerging standards, we can supply detailed impurity profiles and batch traceability. This transparency helps end users document their compliance in both R&D and scaled-up applications. It also means that quality audits rarely yield surprises, thanks in part to our in-house control and regular lab checks. That’s something resellers and brokers rarely deliver with the same degree of certainty.

    Application Areas: Reliability in Every Use

    In the lab, Cetyldimethylethylammonium Bromide helps as a trusted phase transfer catalyst, where its structure drives reactivity across non-mixing solvents. We hear from academic teams running nucleophilic substitution reactions who depend on its purity for reproducible yields and clean separations. When working at pilot scale, the process techs appreciate the product’s low dust tendency and easy handling, which cuts down on cleanup and loss.

    Industry use expands well beyond classic catalysts. The antimicrobial activity built into the quaternary ammonium core makes it a staple in cleaners and certain preservative blends, especially where resistance development or broad-spectrum activity matters. Users in water treatment have shared feedback on how consistently dispersible forms mean fewer feed system headaches and less filter plugging. Chemists working in emulsion polymerization bring up the product’s predictable surface activity, shaping the outcome of latex or bead manufacturing. Our own in-house technical service group spends time in customer facilities, troubleshooting issues like unexpected precipitation or stability loss and tracking the source down to trace changes in feed chemistry or subtle temperature swings in packaging.

    Compared to lower chain analogues, the cetyl group sits at the sweet spot for balancing activity and processability. Shorter chains like those found in cetyldimethylbenzylammonium bromide show higher volatility and sometimes poorer antimicrobial persistence. The choice of bromide ion over chloride or other counterions impacts dissolution rates and compatibility, something those scaling up production workflows notice early in their trials. Whenever a process scales, robust quality shifts from being a handy selling point to an absolute operational requirement.

    Batch Control and Transparency: Building Long-Term Reliability

    As a manufacturer, we understand that every unexpected outcome in the process plant costs more than time – it can derail a whole batch. Our production floor splits its attention between continuous monitoring and direct feedback from customer labs. Traceability runs from each raw material lot right through to each outgoing drum. Our chemists track deviations and root causes in real time, sharing that data with production so improvements move faster than failures. It’s the kind of manufacturing culture built not on minimum compliance, but on active problem-solving. You see the result in feedback loops between us and our largest users—whenever something new crops up in performance, we respond with targeted process changes, not generic apologies or palmed-off blame.

    We also maintain stocks that can serve groups working at both R&D and bulk production levels, understanding that scaling up from bench to plant floor brings new challenges. A lot of our customers run multi-phase approvals, putting our batches through their own stability and compatibility tests before rolling out purchases at volume. We see our role not just as a supplier, but as a quality partner. When a formulation calls for documentation, from impurity profiles to process flowcharts, we keep our data accessible, never hiding behind excuses or passing off responsibility to anonymous upstream producers.

    Learning From Downtime and Early-Process Failures

    Anyone who spends enough time making specialty chemicals will stack up stories of process hiccups. At one point, we traced a drop in product purity to atmospheric humidity shifts affecting our drying zones. Moisture flooded into the powder, throwing off downstream titrations and prompting a temporary spike in customer complaints. Instead of top-down fixes, our process engineers spent weeks alongside operators, instrument techs, and QA staff, walking through shifts and comparing notes. We re-engineered ovens, installed real-time humidity checks, and added batch-by-batch moisture checks. That simple misstep forced a whole new level of vigilance — and a renewed appreciation for every part of the logistics chain, from storage silos to packaging warehouses.

    Every time a drum leaves our facility, we know the shelf life and handling conditions haven’t just been set by some theoretical spec sheet. Our technical team cut out steps proven to add no value, even if it means running longer hours or cycling back to earlier process maps. Too many chemical factories run on margin, not value—from our end, we’ve found that those shortcuts rarely pay off in long-term relationships or market standing. Our regular audits and customer review cycles now explicitly include field data, so the product in your hands isn’t just a lab-created ideal but a field-tested performer.

    Managing Risk: Protecting Chemistry and Customer Outcomes

    Cetyldimethylethylammonium Bromide isn’t a commodity; for us, it represents the craft of specialty chemistry. We keep a sharp eye on impurity carryover during quaternization, especially with bromide salts. Stray organics or unreacted amines not only upend analytical results, they can lead to product recalls under stricter compliance regimes. We invest both in analytical headcount and new equipment, not because regulators hover over us daily, but because our partners downstream face those pressures at the sharp end. Getting this right pays off whenever new market applications emerge, and we are called on to validate product fit for novel blends.

    Risk control doesn’t end when the powder leaves our site; we carry out simulated storage testing and stress out sample lots at elevated temperatures to check for delayed caking or loss of functionality. This helps those in logistics or with less-than-ideal warehouse conditions plan for contingencies. When partners hit bottlenecks—whether from supply chain disruption or a facility outage—we pull samples from retained product to help troubleshoot or verify ongoing product fitness. Our job doesn’t end at the shipping dock.

    Supporting Sustainable Practice and Future Demand

    We’ve seen the demand landscape for Cetyldimethylethylammonium Bromide evolve over the years, with sustainability and regulatory compliance gaining more weight in purchasing decisions. We respond with continuous updates to our own supply chain, choosing feedstocks that offer better traceability or come from established responsible producers. Organic-waste minimization remains a recurring theme in our batch records and operator meetings; process water recycling and energy efficiency get table time at every new capital project meeting.

    Our technical support arm takes questions on emerging biocide regulation, new green certification for cleaning products, or even ways to retool process water use. Feedback from the field points us to future product variations—sometimes a small tweak to the production mix can translate to a big change in performance for customers. The market environment keeps changing, but the need for high-quality, reproducible chemicals does not.

    Looking Forward: Meeting Challenges Beyond Specifications

    Over time, Cetyldimethylethylammonium Bromide has proven itself in fields ranging from academic synthesis to industrial detergency. These achievements come down to chemistry — in the lab, in our own shop floor, and in the relationships we build. Our operators, process techs, and support chemists work not just from protocols, but from ownership of the product’s reputation. This product’s journey doesn’t end with a drum loaded and sealed; it keeps moving with every application, reaction, and cleaning task it drives.

    From all of us who work directly with the manufacture of this product, the message is clear: reliable chemistry is built one detail at a time. Whether process or product, we stand for outcomes that let customers trust what their data and processes will deliver. For those creating the next generation of surfactants, biocides, or specialty reagents, our doors remain open for tough questions, honest feedback, and new challenges; we bring that same commitment to every batch and every partnership. As both technical stewards and practical troubleshooters, we know that every molecule counts—yours and ours alike.