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Dodecyl 4-Hydroxybenzoate

    • Product Name Dodecyl 4-Hydroxybenzoate
    • Alias Lauryl Paraben
    • Einecs 203-962-1
    • 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

    549820

    Chemical Name Dodecyl 4-Hydroxybenzoate
    Common Name Dodecylparaben
    Molecular Formula C19H30O3
    Molecular Weight 306.44 g/mol
    Appearance White to off-white powder
    Melting Point 71-74°C
    Solubility In Water Practically insoluble
    Cas Number 36457-20-2
    Boiling Point 428.8°C at 760 mmHg
    Logp 6.05
    Storage Conditions Store in a cool, dry place
    Purity Typically ≥98%
    Flash Point 198.8°C
    Odor Odorless
    Uses Preservative in cosmetics and pharmaceuticals

    As an accredited Dodecyl 4-Hydroxybenzoate 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 100g amber glass bottle, securely sealed, labeled "Dodecyl 4-Hydroxybenzoate," with hazard and handling instructions.
    Shipping Dodecyl 4-Hydroxybenzoate is shipped in tightly sealed containers to prevent moisture and contamination. It should be stored and transported in a cool, dry place away from direct sunlight and strong oxidizers. Proper labeling and documentation are required, following local regulations for the safe handling and shipping of chemical substances.
    Storage Dodecyl 4-Hydroxybenzoate should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition, moisture, and incompatible substances such as strong oxidizing agents. Protect from direct sunlight and heat. Store at controlled room temperature and ensure containers are properly labeled. Observe standard chemical hygiene and safety practices during handling and storage.
    Application of Dodecyl 4-Hydroxybenzoate

    Applications of Dodecyl 4-Hydroxybenzoate in Industrial Manufacturing

    Dodecyl 4-hydroxybenzoate is an alkyl paraben ester valued for its antimicrobial properties and compatibility with various hydrophobic formulations. Our manufacturing expertise supports downstream partners seeking consistent performance for high-standards industrial sectors. Below are key application scenarios reflecting real manufacturing practices and compliance environments.

    1. Personal Care Preservatives in Emulsion-Based Cosmetics

    Emulsion-based cosmetics, such as creams and lotions, require stable preservation throughout manufacturing and shelf life. This material supports long-term microbial control in complex oil-in-water or water-in-oil formulations, particularly when strict consumer safety and regulatory criteria apply. Because its alkyl chain confers increased solubility in oil phases, it integrates efficiently during emulsification, minimizing preservative leaching and migration. As part of a broader preservative system, it contributes specifically to broadspectrum bacterial and fungal resistance, helping formulators comply with market-specific preservative limits and efficacy test benchmarks.

    Industry compliance standards

    • EU Cosmetics Regulation (EC) No 1223/2009—Annex V preservative listing
    • US FDA 21 CFR 700.3 (Cosmetic preservatives regulation)
    • ASEAN Cosmetic Directive
    • Japan Standards for Cosmetics (JSFDA, minimum safety criteria)

    Typical usage ratio

    • 0.03%–0.2% w/w in emulsion phase, adjusted according to total water activity and synergy with other parabens; lower limits for rinse-off, upper for leave-on.

    Downstream process integration

    • Material added directly to oil phase during pre-emulsification, at temperatures below 80°C to avoid hydrolysis, ensuring full dispersion before homogenization.

    Final product types

    • Facial creams, body lotions, moisturizing milks, sunscreens, BB and CC creams

    2. Industrial Polymer Additive in Plastisol and PVC Processing

    Downstream polymer formulators select this raw material for its function as an antimicrobial and plasticizing additive in specialty polyvinyl chloride compounds and plastisol systems. When included, it reduces microbial fouling and extends service life, essential for flexible PVC-based products used in hygiene, food contact, and healthcare applications. Its chemical stability under common plasticizer compounding temperatures ensures unchanged performance post-processing and minimizes volatile content, fitting tightly controlled regulatory environments.

    Industry compliance standards

    • EU Regulation (EU) No 10/2011—Plastics for food contact (SML criteria for parabens and additives)
    • FDA 21 CFR §177.2600 (Rubber articles intended for repeated use)
    • ISO 10993-5: Biological Evaluation for Cytotoxicity (medical devices with polymeric components)
    • REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) compliance—substance tracking for industrial polymers

    Typical usage ratio

    • 0.05%–0.3% by total polymer weight; varies based on surface area and desired antimicrobial effect, with higher end for medical and hygiene films.

    Downstream process integration

    • Pre-blending with plasticizer during compound mixing; disperses thoroughly prior to high-shear mixing, followed by heating to 140–170°C during plastisol fusion or extrusion processing.

    Final product types

    • Flexible PVC sheeting, gloves, conveyor belts, hospital mattress covers, coated hygiene films

    3. Antimicrobial Agent in Synthetic Lubricant Formulations

    Formulators of synthetic lubrication products incorporate this material to prevent microbial growth that can degrade fluid stability and cause fouling in storage or recirculation systems. Its high compatibility with ester- and PAO-based base oils allows use in high-performance hydraulic, compressor, and metalworking fluids, particularly in settings where biostability under humid conditions is critical. Chemical resistance to oxidative and hydrolytic degradation under typical operating temperatures enables extended service intervals and simplifies downstream QC monitoring of biocidal content during batch release.

    Industry compliance standards

    • ISO 6743/13—Lubricants, industrial oils and related products classification
    • ASTM D3703—Sampling and testing for bacteria in lubricants
    • REACH Annex XVII—Biocidal product guidelines
    • OECD Guidelines for the Testing of Chemicals—Biodegradation/Biocidal assessment

    Typical usage ratio

    • 0.01%–0.15% wt, depending on fluid residence time and expected moisture exposure—formulators optimize for longer-term storage or recycling fluids at higher dose range.

    Downstream process integration

    • Batch addition during cooling phase of blending, after base oil and additive package incorporation, followed by tank recirculation to ensure full dispersion.

    Final product types

    • Metalworking fluids, synthetic hydraulic oils, compressor lubricants, closed-system industrial greases

    4. Preservative in Surfactant-Based Cleaning Agents

    Producers of industrial and institutional cleaners add this compound to surfactant-rich liquid detergents to inhibit microbial spoilage and preserve formulation stability. Its lipophilic character provides persistent antimicrobial activity even when surfactant systems reduce the efficacy of hydrophilic parabens. Stability during variable pH and temperature cycles makes it suitable for concentrate and ready-to-use cleaner manufacturing, supporting downstream partners in regions with fluctuating storage conditions and diverse microbial challenges.

    Industry compliance standards

    • US EPA Safer Choice criteria for antimicrobial ingredients
    • EU Regulation (EC) No 648/2004 on detergents
    • China GB/T 26396—Safety technical specification for detergents
    • GHS labeling and chemical safety assessment for preservatives

    Typical usage ratio

    • 0.015%–0.09% by liquid formula weight, depending on residual water, surfactant activity, and pH; higher levels validated for concentrate products stored over extended periods.

    Downstream process integration

    • Dosage metered post-neutralization, after surfactant blending and before dilution or final QC sampling, with gentle agitation to ensure homogeneous distribution.

    Final product types

    • Hard surface cleaners, industrial degreasers, institutional disinfectants, all-purpose detergents

    5. Antifungal Additive for Leather Treatment Formulations

    Manufacturers of specialty leather processing chemicals leverage the antifungal features of this compound during wet-end and finishing treatments to deter mold and mildew growth. Its resistance to leaching during subsequent drying and finishing steps ensures lasting protection above the surface, which is critical for leather goods intended for export or long-term storage. Effective performance at low concentrations helps downstream clients minimize additive migration and odor impact, aligning with material safety and finished product emission requirements.

    Industry compliance standards

    • OEKO-TEX Standard 100 Class II (residual biocide limits in leathers)
    • EU REACH SVHC Directives—applicable to leather chemicals
    • EN ISO 17075—Determination of chromium(VI) and restricted substances in leathers
    • EN ISO 24198—Leather—Chemical tests for antifungal efficacy

    Typical usage ratio

    • 0.01%–0.05% by wet leather weight—lower end for finishing, upper end for wet-end processing anticipating long transit/storage.

    Downstream process integration

    • Incorporation during fatliquoring or surface treatment phase, preceded by thorough emulsification in carrier, then applied by drum milling or spray in finishing lines.

    Final product types

    • Upholstery leather, shoe upper sheets, automotive leather, garment leathers
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    Certification & Compliance
    More Introduction

    Dodecyl 4-Hydroxybenzoate from the Manufacturer’s Point of View

    Direct from the Source: Experience with Dodecyl 4-Hydroxybenzoate

    Chemical production has always depended on precision and clarity. Dodecyl 4-Hydroxybenzoate stands as a strong example of what hands-on involvement in the synthesis process can bring. Here in the plant, the work starts with sourcing high-quality raw materials, making sure every batch meets the specific needs of those who rely on our product. It has found a valued place in a range of formulations, from personal care products to specialized industrial applications, largely because of its stability and consistent results in real-world processes.

    What Sets Dodecyl 4-Hydroxybenzoate Apart

    Every chemical plant talks about purity, but achieving reliable purity is not the same as just claiming it. We use carefully maintained reactors and real-time monitoring (including chromatography and spectroscopic checks) to ensure the quality stays true batch after batch. Dodecyl 4-Hydroxybenzoate, produced in our dedicated lines, shows strong resistance to hydrolysis compared to shorter-chain 4-hydroxybenzoates. The longer dodecyl chain makes it noticeably less soluble in water and more suited for oil-based and emulsion systems. Where competitors sometimes struggle with moisture during storage or shipment, we've developed drying and packaging techniques that prevent caking and degradation, keeping the product powdery and free-flowing until it reaches the end user. These are the small operational choices that determine whether a customer faces headaches or gets a product that works right out of the drum.

    Specs Through the Lens of Plant Production

    Most users want to know what sets a batch apart beyond basic CAS numbers or assay percentages. We take pride in our process controls that keep impurities low — lab analysis consistently puts purity above 99%. The melting range lands in the mid-century Celsius, giving flexibility in heating processes without risk of premature softening or processing issues. Because the plant team controls every parameter, consistency in particle size and bulk density is not just promised but delivered. Granulation, flow behavior in bulk bags, and minimal electrostatic charging all form part of the considerations we address to keep operators pleased and lines running clean.

    What Users Have Taught Us

    Customers do not simply reorder out of habit. They call and ask about the details no one covers in spec sheets — does it clump in humid weather, does it leave streaks in the final product, does it work the same every month as it did last year. We feed this feedback into process improvements. While each application has its unique challenges, our direct involvement at the plant means quick changes when someone, say, reports an unusual color shift in a sensitive formulation group. Sometimes a small tweak in distillation makes the difference between a smooth implementation and days of troubleshooting on the customer’s end. Dodecyl 4-Hydroxybenzoate rarely produces odors or off-flavors, making it especially handy for cosmetic or food contact use, and that’s not a detail we leave to chance.

    Comparing Against Other Parabens

    Shorter alkyl chain parabens (like methyl and ethyl varieties) gained their early popularity for their water solubility. But that same property limits them where water resistance and long-term stability get priority. Dodecyl 4-Hydroxybenzoate exhibits behavior more suited for scenarios where moisture exposure cannot be fully avoided, such as in outdoor coatings or high-humidity processing. The longer chain also reduces the rate of hydrolytic breakdown, lessening worries about active content loss during storage or shipping. We have seen formulation chemists switch to this grade after persistent complaints about precipitation or instability using shorter-chain parabens. In direct comparison, our product wins points for low migration, reduced yellowing in plastics, and minimal influence on finished appearance. It’s these attributes that keep formulators loyal and earning points with their own quality assurance managers.

    On the Floor: How Production Realities Shape Dodecyl 4-Hydroxybenzoate

    Reaction conditions in the synthesis of dodecyl parabens ask for patience and precision. The plant team juggles temperature profiles, stirring rates, and precise stoichiometry to avoid unwanted side reactions. The finished product never leaves the building until sampling confirms compliance with the established benchmarks: low residual solvents, tight melting point range, and a color value well within agreed tolerances. Packaging follows, with a focus on keeping the material dry and free of cross-contamination. Operators know the headaches moisture can cause downstream, so every drum is sealed with care. The time spent up front reduces customer complaints and keeps everyone’s process running smoothly.

    Real-World Uses: Dodecyl 4-Hydroxybenzoate in Everyday Applications

    Dodecyl 4-Hydroxybenzoate never gets the spotlight, but it quietly supports many modern products with properties developed right here at the plant. In skincare formulations, chemists value its mild profile and low tendency to trigger irritation. The long-chain structure helps ensure the active remains effective across a wide pH range. Shampoos and leave-on conditioners benefit from the product’s low solubility, which guards against premature washout and extends preservation. We've also worked with customers developing exterior coatings, where the additive must stand up to rain, sun, and freeze-thaw cycles. The product’s resistance to hydrolysis and low volatility earn it a recommendation above the lighter parabens every time the service environment gets harsh. It isn’t just about preservation — it’s about providing formulations where the active stays put and does its job, batch after batch.

    The Difference Manufacturing Makes

    Future batches will see more digital controls, tighter environmental monitoring, and improved automation, but none of that replaces a workforce with practical knowledge. Our site teams have stopped more bad batches than any machine, whether it’s catching a color change nobody expected or realizing a sudden change in raw material grade will alter performance. Dodecyl 4-Hydroxybenzoate benefits from this constant vigilance; it’s not just another checklist item in a database. Repeatable crystallization, correct bulk handling, careful documentation, and genuine pride — these are the less-visible strengths that separate one supply from the next.

    Why Consistency and Traceability Matter

    Supply chain shocks hit the chemical sector just as hard as any other, but customers need reliability. We keep records back to the supplier level for every container filled and seal put on. This lets us quickly respond if a customer ever encounters a shelf-life issue or an unexpected reactivity shift. We thoroughly audit our supply sources and back up every batch with testing records accessible on request. This is not merely an internal exercise; it helps the people downstream who must answer to regulators, clients, or their own teams if anything goes wrong. Choosing a product like Dodecyl 4-Hydroxybenzoate from a manufacturer that stands over its process brings reassurance when supply risks rise or standards tighten.

    Why Quality Assurance Goes Beyond the Lab

    Every tank cleaned, every sample pulled, every bit of record-keeping plays a role. Our technicians see plenty of product every day, but maintaining vigilance requires continuous training, updated equipment, and a sense of pride in the role played in a customer’s success. Dodecyl 4-Hydroxybenzoate does not win headlines for innovation, but small failings in trace impurities or packaging can wreck a formulation. The QA process documents not only what leaves the plant, but also what was done to prevent surprises down the line. We routinely track batch deviations, audit operational logs, and encourage all operators to flag anything unusual — whether a clogged filter or an odd smell during packing. Problems get solved here, not pushed downstream.

    The Environmental Aspect: Tackling Sustainability Concerns

    Everything we make draws scrutiny for environmental performance. As a manufacturer, we work on minimizing waste during synthesis and maximize solvent recovery. Dodecyl 4-Hydroxybenzoate, like others in the paraben family, raises questions over disposal and long-term environmental fate. Our R&D and operations teams keep ahead by examining biodegradable product options and process innovations that cut emissions in the first place. While regulations worldwide shift, our commitment to transparency and ongoing improvement remains. By providing clear guidance and reliable data about our processes, we help customers build their own compliance programs with peace of mind.

    User Safety and Regulatory Demands

    Experienced manufacturers answer far more regulatory questions than sales claims. Dodecyl 4-Hydroxybenzoate, as an ingredient, must abide by strict national guidelines depending on its final destination, especially in food contact, pharma, and personal care arenas. We run rigorous screens for batch contaminants, and the plant adheres closely to international regulatory standards. The people buying this product expect accurate paperwork, timely supply, and robust technical support — the sort of service that only comes when the manufacturer has direct control from pre-production to finished goods. If questions arise, our technical support or compliance teams can reach right back to the reactor logbooks, not just a batch number in a third-party database. This keeps customers confident that each shipment aligns both with specification and with regulatory norms, no matter how requirements may evolve.

    Adaptable Production for Market Changes

    Demand shifts can occur fast, especially when downstream applications in cosmetics or packaging evolve or fresh regulations emerge. As a direct producer, the ability to adjust process steps — such as crystallization timing or solvent swaps — allows us to keep pace without skipping quality checks. When last-minute requests come for altered particle sizing or a custom blend, we often turn these around using existing site capabilities and cross-trained staff. Short-notice changes are much easier to accommodate on a plant floor where the material never leaves direct control. Larger batch runs or pilot-scale lots, whatever fit the customer’s stage, come from the same line and under the same standards, eliminating variation that plagues distributed or broker-sourced product. This hands-on flexibility wins repeat business, because customers know their needs do not have to fit into fixed options.

    Technical Support Grounded in Production Experience

    Whenever specification questions or application hurdles appear, our support teams bring knowledge built from years beside the process lines. Customers call with real-world issues, not theoretical ones. They want to know how dodecyl 4-hydroxybenzoate will react with certain polymers, or what steps to take to blend it into challenging systems. Advice comes straight from trials and daily work, not just from textbooks or sales scripts. That honesty and practical support help formulation chemists work faster, tweak recipes more confidently, and hit their targets without draining budgets or losing sleep over variability. If a problem shows up unexpectedly, our experts look first at how the product actually behaves during handling and not just in the lab — experience here becomes the customer’s advantage.

    Shipping and Storage: A Manufacturer’s View

    Proper handling after production makes a big difference to the person opening the drum a month or six months later. Our warehouse teams store dodecyl 4-hydroxybenzoate in controlled humidity to cut down on caking and clumping, and every outgoing container gets a run-through for seals and labeling accuracy. Bulk orders sometimes require anti-static liners or double-bagging, steps we introduced after receiving customer feedback about product flow during automated dumping. While temperature swings can degrade product quality in lighter parabens, tests and field data confirm strong resilience in the dodecyl derivative, owing partly to the robust packaging methods adopted after years of trial and error. The value of direct manufacturer involvement becomes most evident when something goes off-plan in storage or transit — speedy fixes and solid advice prevent headaches for users around the world.

    Ongoing Investment in Quality and Process

    Continuous improvement is not just a slogan here. To maintain an edge, we dedicate resources to process refinement, keeping equipment modern, and training operators to spot tiny deviations before they become problems. New regulatory requirements or changes in downstream technology call for quick response, and our technical teams regularly update procedures to match. If analytical trends reveal drifting properties (color, melting range, or particle habit), we act immediately. This investment keeps the batches coming out the way customers expect, year after year. The trust we earn from repeat customers is more than just loyalty; it is rooted in their knowledge that every improvement we make gets passed along in product consistency and reliability. Dodecyl 4-hydroxybenzoate benefits from all of this behind-the-scenes work, showing the difference that a true manufacturer delivers over time.

    Listening to the Market, Shaping the Future

    Our teams hear regularly from users who have tried parallel grades from other producers. Common stories pop up — one source ships product with inconsistent color, another’s supply clogs up feeder hoppers, and a third’s batch fails a purity check mid-production. Direct manufacturing answers these worries with single-source accountability, site-wide quality standards, and a culture of making things right on the first try. The input we get from customers — their headaches, their process breakthroughs, and their suggestions — gets built into the plant’s daily work. New product iterations, alternate presentations (from micro-prilled to fine powder), and customer-driven changes keep everything moving ahead, not locked into the past.

    Conclusion: Connecting Experience and End Use

    Decades in chemical synthesis have taught us that every detail counts, from the supply of raw dodecanol up to the stabilized product finally sent to a customer across the ocean. Dodecyl 4-hydroxybenzoate, shaped by hands-on production and guided by accumulated experience, gives users a real assurance of quality, safety, and adaptability. Every kilogram sent out reflects not just molecular precision but also a daily commitment to reliability and partnership with those who count on our materials in theirs. The difference comes not from a sales pitch, but from the daily grind – the men and women calibrating lines, checking filters, and making sure every bag holds up to its promise. That’s what makes the product an asset for the people who use it, and that’s why we keep getting better, together with our customers each step of the way.