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2-Bromostearic Acid

    • Product Name 2-Bromostearic Acid
    • Alias 2-Bromooctadecanoic acid
    • Einecs 244-479-6
    • 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

    824669

    Cas Number 3016-64-8
    Molecular Formula C18H35BrO2
    Molecular Weight 363.38 g/mol
    Appearance White to off-white solid
    Melting Point 56-58°C
    Boiling Point 494.5°C at 760 mmHg
    Density 1.12 g/cm3
    Solubility In Water Insoluble
    Storage Temperature Room temperature
    Purity Typically ≥98%
    Synonyms 2-Bromo-octadecanoic acid
    Smiles CCCCCCCCCCCCCCC(Br)C(=O)O

    As an accredited 2-Bromostearic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 2-Bromostearic Acid is packaged in a sealed amber glass bottle, 25 grams, labeled with product details, hazard warnings, and storage instructions.
    Shipping 2-Bromostearic Acid is shipped in tightly sealed containers, protected from moisture and direct sunlight. Standard transport regulations for non-hazardous chemicals apply. The product is packed securely to prevent leaks or contamination, typically inside labeled, acid-resistant drums or bottles, and accompanied by a Safety Data Sheet (SDS) for safe handling instructions during transit.
    Storage 2-Bromostearic acid should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizing agents. Protect it from moisture, direct sunlight, and extreme temperatures. Ensure appropriate labeling, and follow all relevant safety and regulatory guidelines for safe chemical storage.
    Application of 2-Bromostearic Acid

    Applications of 2-Bromostearic Acid in Industrial Manufacturing

    As a direct manufacturer of high-purity 2-Bromostearic Acid, we address specialized downstream requirements in strict compliance with global regulatory and quality frameworks. Below, we outline key industrial scenarios where 2-Bromostearic Acid is implemented as a functional intermediate or additive, detailing compliance, formulation, production specifics, and final use cases across recognized application segments.

    1. Specialty Lubricant Additives for High-Performance Greases

    Industrial grease formulators incorporate 2-Bromostearic Acid as a polar modifying agent to enhance water resistance and boundary lubrication, especially for bearing greases operating under high loads and moisture conditions. The material supports thickener stability in calcium sulfonate and lithium complex systems by providing targeted amphiphilic interactions that reduce oil bleed and improve adhesion on metal surfaces. Its integration focuses on specialized automotive and critical machinery lubrication, where consistency and anti-corrosion performance are paramount.

    Industry compliance standards

    • DIN 51825: Lubricating greases—requirements and testing
    • ASTM D4950: Classification and specification of automotive service greases
    • ISO 6743-9: Lubricants, industrial oils and related products (class L)—family X (greases)
    • REACH Regulation (EC) No 1907/2006 substance registration for chemical intermediates

    Typical usage ratio

    • 0.3%–1.2% by total grease formulation, adjusted to base oil type, thickener system, and required water resistance; higher levels apply in marine and high-load bearings.

    Downstream process integration

    • Added during batch saponification or post-thickener addition step, utilizing elevated mixing temperatures (usually above 80°C) to ensure uniform dispersion and reaction with metal-based soap thickeners.

    Final product types

    • Heavy-duty lithium complex greases for automotive wheel hubs
    • Calcium sulfonate greases for marine applications
    • Specialty industrial machinery greases requiring high water washout resistance
    • Corrosion-inhibitive bearing lubricants

    2. Intermediate for Flame Retardant Synthesis in Polymer Compounds

    Large-scale polymer producers utilize 2-Bromostearic Acid as an acylating intermediate to prepare customized brominated flame retardants suited for halogenated thermoplastic compounds. Through its controlled incorporation, the resulting flame retardant molecules provide thermal stability necessary for construction plastics, wire and cable insulation, and automotive interiors. The process targets final products with consistent halogen release and minimal impact on host polymer mechanical properties.

    Industry compliance standards

    • RoHS 2015/863/EU: Restriction on hazardous substances, including brominated compounds
    • UL 94: Standard for safety of flammability of plastic materials
    • ISO 1043-4: Plastics—symbols and terms—flame retardant modifiers
    • ISO 9001:2015 Quality Management Systems for additive suppliers

    Typical usage ratio

    • Used at 0.8%–2.5% as a reactive intermediate in the flame retardant synthesis step, tailored by the target bromine content of the final additive; usage depends on the desired Limiting Oxygen Index (LOI) of compounds.

    Downstream process integration

    • Introduced in the bromination/acylation reactor with other long-chain carboxylic acids; flame retardant intermediates then undergo isolation, purification, and are pelletized prior to melt blending with polymer matrices.

    Final product types

    • Brominated flame retardant additives for PP, HIPS, ABS, and polyamide compounds
    • Halogenated masterbatch concentrates
    • Flame retardant cable sheathing materials
    • Building insulation foams with fire-resistant ratings

    3. Specialty Surfactant Manufacturing for Textile Processing Chemicals

    Textile chemical manufacturers incorporate 2-Bromostearic Acid as a synthetic building block in nonionic and anionic surfactants, especially for products requiring enhanced surface activity and controlled hydrophobicity. The bromo-functional group enables targeted reactions for specialty dispersing agents and antistatic finishes applied during fiber spinning and fabric treatment. This application emphasizes strict batch-to-batch consistency and compliance with global eco-label standards for restricted substances in textile auxiliaries.

    Industry compliance standards

    • OEKO-TEX® Standard 100: Certification for harmful substances in textiles
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List)
    • REACH Annex XVII: Restrictions on surfactant classes in textile processing
    • ISO 14001: Environmental management for chemical manufacturing

    Typical usage ratio

    • 1.5%–3.0% as a precursor in surfactant synthesis, determined by chain length compatibility and target dispersing/antistatic agent performance.

    Downstream process integration

    • Activated through esterification or sulfonation routes under strictly controlled low-water batch operations, followed by direct formulation into textile pre-treatment and finishing auxiliaries.

    Final product types

    • Specialty fiber spinning antistatic agents
    • Dispersing agents for vat and reactive dyeing processes
    • Wetting agents for continuous fabric processing
    • Textile softener concentrate intermediates

    4. Synthetic Intermediate for Pharmaceutical Surfactants and Emulsifiers

    Active pharmaceutical ingredient (API) makers as well as pharmaceutical excipient manufacturers use 2-Bromostearic Acid as a tailored intermediate in the synthesis of certain complex surfactants such as brominated esters and quaternary ammonium compounds for emulsifying lipid-based drug formulations. Critical formulation parameters focus on non-reactivity with APIs and maintenance of pharmacopeia-grade purity. Downstream QC protocols require full traceability from raw material to excipient performance in injectable and oral suspension systems.

    Industry compliance standards

    • USP-NF (United States Pharmacopeia–National Formulary) for excipient quality
    • EU GMP Part II (ICH Q7): GMP for active pharmaceutical ingredients
    • 21 CFR Part 210/211: US FDA Good Manufacturing Practices for finished pharmaceuticals
    • Ph. Eur. (European Pharmacopoeia) purity requirements for surfactant additives

    Typical usage ratio

    • Employed at 0.2%–1.0% as an intermediate via in-process controls, titrated based on target surfactant structure and drug formulation emulsification needs.

    Downstream process integration

    • Activated under low-monomer contamination batch synthesis, followed by esterification or quaternization; thoroughly washed and analyzed for compliance prior to blending in oral and parenteral drug preparations.

    Final product types

    • Pharmaceutical-grade emulsifiers in oral suspensions
    • Lipid-based injectable formulation surfactants
    • USP-excipient compliant nonionic surfactant intermediates
    • Solubilizing agents in pediatric liquid drugs

    5. Functional Monomer Modifier for Rubber Compounding

    Elastomer producers utilize 2-Bromostearic Acid as a functional monomer modifier in the surface treatment of fillers and processing aids for high-performance rubber mixes. It improves filler-polymer compatibility and enhances the dispersion of carbon blacks and silicas, contributing to uniform vulcanizate elasticity and mechanical integrity–particularly in white-sidewall tires, conveyor belts, and technical rubber profiles. Activity centers on achieving tighter physical property control and extended curing performance in demanding production cycles.

    Industry compliance standards

    • ASTM D3182: Standard practice for rubber compounding materials mixing
    • ISO 9001:2015 for elastomer compounding quality systems
    • REACH Regulation (EC) No 1907/2006 registration for polymer additives
    • EU Regulation 2019/1021: Persistent organic pollutant management

    Typical usage ratio

    • 0.1%–0.8% by total rubber compound weight, with adjustments depending on filler type, color requirements, and curing speed; lower levels used in internally plasticized rubbers to avoid bloom.

    Downstream process integration

    • Introduced during initial dry blend of fillers and polymer base, prior to mastication and compounding on two-roll mills or internal mixers; post-mix, the compound proceeds to extrusion or molding.

    Final product types

    • White and colored tire compounds (sidewalls, tread base)
    • High-abrasion conveyor belt and industrial rubber goods
    • Flexible connectors and technical rubber profiles
    • Low-migration gaskets and automotive seals
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    Certification & Compliance
    More Introduction

    2-Bromostearic Acid: A Straightforward Introduction from the Manufacturing Floor

    Getting the Material Right from the Start

    Years of handling fatty acid derivatives in our own reactors have shown us that purity, reactivity, and ease of use make or break the daily work for those on the line. Our 2-Bromostearic Acid (model: 2-BrC18H36O2) comes from a process built on predictability and direct feedback from operators and lab staff who worked through every variable themselves. We offer specs targeting more than just standard purity: our batches start from stearic acid meticulously sourced for low unsaturation, then bromination follows under strictly managed temperatures — a detail often skipped by those who buy intermediates rather than make them from scratch. Most product leaves our plant at 98% minimum GC purity, with residual bromine and free fatty acids tightly controlled. We aim for a pale solid, not a yellowish or turbid lump that gums up feed tanks and glassware.

    Practical Experiences in Production and Handling

    Before scaling up, we spent countless pilot runs figuring out a few stubborn challenges. The rapid evolution of HBr means careful gas management, not just for safety, but for batch reproducibility. Once processed, 2-Bromostearic Acid cools into a manageable form: a waxy, crystalline slab that can be flaked or powderized. Our packaging specialists run real-world checks to ensure transport under typical warehouse temperatures won’t create compaction. Customers tell us it’s easier to dose than some of the more hygroscopic or sticky brominated fatty acids out there, and downtime spent unclogging transfer lines drops sharply. Our warehouse team stores it at room temperature to avoid condensation and spoilage, so we’ve never had to issue a batch recall for clumping or hydrolysis. Such details emerge from years of monitoring real shipments, not just trusting test tubes.

    Applications: Utility Beyond the Lab

    Some folks reaching for 2-Bromostearic Acid are after an intermediate for organic synthesis. That’s the tip of the iceberg. Its long, saturated hydrocarbon tail makes it useful for modifying hydrophobic surfaces. We see it enter production lines for specialty surfactants, phase change materials, and lubricant additives. Chemists looking to introduce a bromine atom onto carbon two of a fatty chain find our product provides efficient nucleophilicity in further reactions, thanks to its regular chain length and controlled functional group orientation. Customers often say their yields for further alkylation or reduction steps push higher compared to using impure material where even tiny unsaturation or unsymmetrical bromination disrupts downstream synthesis.

    Our technical advisers, mostly engineers who once stood at these reactors, often emphasize that the degree of bromination — right at position two — gives it an edge for directional reactivity. For applications where trace metals or side-brominated isomers disrupt a formulation, our in-house purification protocol stands apart from off-the-shelf imports that blend positional isomers or leave higher halide residues. Product consistency emerges from persistent vigilance: staff run multiple batches through GC-FID, titration, and crystallinity checks. If something falls even slightly out of our tolerances, it never hits the drum. Over years of filling orders for research universities, specialty polymer manufacturers, and surfactant developers, we see that quality control translates directly to less batch-to-batch variation in customer outcomes.

    Spotting the Differences: 2-Bromostearic Acid Compared to Its Peers

    Walking through the plant, you hear stories of poorly performing fatty acids that led clients back to square one. Experience says the real differences show up in yield reliability and downstream processability, not on paper spec sheets. Other bromostearic acids — including those brominated on terminal methyl groups or varying positions along the chain — behave differently under synthesis conditions. For example, bromination outside the C2 position reduces the reactivity and site selectivity during further coupling. Even a purity drop of 2-3% has amplified effects at scale, clogging columns or introducing unplanned side reactions.

    Compared to generic stearic acid or its unsaturated relatives (like oleic acid), 2-Bromostearic Acid brings distinct non-polar and lipophilic properties, plus a degree of chemical reactivity that makes it more than a passive fatty acid. You can trace the direct performance impacts in detector response, chromatographic separation, or catalyst recyclability. In specialty resin development, our chemical’s well-defined substitution pattern cuts down on ghost peaks and unmanageable tails in test data. Down in the plant, these attributes lead to fewer filter changes and smoother downstream incorporations.

    We run comparative trials when customers request alternatives, so our feedback blends field experience with bench science. Trying to substitute 2-Bromostearic Acid with less pure brominated stearates always leaves something lacking — higher bromide odor, unpredictable melting behavior, or trace discoloration in sensitive applications like cosmetics and fine chemicals. In some cases, the difference shows up in the mechanical properties of polymers: a minor shift in chain uniformity can make a batch go from reliable to rejected. Additive performance in lubricants responds in kind, where trace unsaturation or over-brominated material produces wear or instability. Reliable inputs help clients avoid that frustration, especially as line shutdowns cost far more than the premium for higher-grade materials.

    How We See Safe and Responsible Production

    In chemical manufacturing, process control and safety shape every step. Our 2-Bromostearic Acid comes from an in-house protocol designed to reduce worker exposure and contain halogenated emissions. Our operators, equipped with up-to-date respiratory protection and skin barriers, oversee the process in a sealed environment. Waste handling sticks to the smallest practical scale: after quenching, neutralization, and separation, leftover bromide moves straight to our halide capture system, where it’s processed for safe disposal or recycling. For us, those weren’t afterthoughts or regulatory checkboxes; we’ve seen the long-term risks from the inside, so we lock these protocols in place not to chase certifications but because our team’s health and our community’s environment matter every shift.

    Documentation — from batch records to cleaning logs — supports every drum. We provide technical files directly written and checked by our chemical engineers, not handed off to outside paperwork companies. Customers who run audits and want to walk through the plant get face-to-face time with our shift leads, because they know the equipment and the chemistry, not just the forms. We share accident statistics and safety training logs honestly, so transparency is a lived value, not a PR slogan.

    Real-World Shipping and Customer Experiences

    After production, our shipping isn’t handed off to faceless logistics partners. Years of handling sensitive chemicals taught us to build our own system for storing and moving 2-Bromostearic Acid. Pallets are strapped and wrapped on our floor, with protective liners and robust drums that prevent jostling and moisture ingress. Any delays or non-conformities mean we pull the drums for inspection, even if that slows delivery. It leads to return customers who know the product in their tank matches what left our plant. Any rare issues — such as a drum lid buckling or seal leaking — get chased down with a service call, not a warranty claim letter.

    In practice, customers often comment on the “invisible” benefits: their staff spend less time troubleshooting, spend less on scavengers, and use fewer personal protective supplies due to lowered odor and tighter volatility. We don’t chase market trends for cheaper packaging or bulk transport if it means more risks; having seen the results of neglect, we won’t compromise safety for speed.

    Facing Emerging Challenges Together

    Fresh regulations and shifting supply chains bring new pressures every year. Our lab keeps scanning for trace contaminants flagged for new restriction, while our purchasing team pre-qualifies each fatty acid source to avoid supply risk. When old feedstocks dry up or grow suspect, we invest in new purification steps or qualifying alternative suppliers — not by cutting corners but by guaranteeing each lot’s performance matches what our regulars expect.

    Clients sometimes ask for process tweaks due to changing environmental codes or more sensitive applications. Rather than simply saying no, our lead process chemist studies pilot data and adjusts. If a customer faces compliance hurdles, we walk through regulatory documentation together, drawing on practical knowledge of lab results and firsthand history with audits. Open lines of communication mean issues get fixed early before a minor variance turns into a recall or production stoppage.

    Supporting Client Success With Honest Advice

    Over years in chemical manufacturing, we’ve learned most production problems don’t come from price or theoretical purity but from real-world reliability and responsiveness. Engineers value a steady supply, technical documentation they can trust, and access to the people making the decisions. Our technical and quality team doesn’t hide behind jargon. Direct phone calls and site visits solve small issues before they snowball. One product manager told us that, after switching to our 2-Bromostearic Acid, their downtime for formulation tweaks dropped by half. Such feedback pushes us to keep refining, not just to protect our reputation, but because we’ve stood on both the supplier and the client sides of these conversations.

    If a client’s application sits outside usual parameters, we invite open collaboration instead of quick fixes. This includes batch customization (within safe, documented process capability), technical advice around compatibility with other process chemicals, and fast-turnaround sample provision for pilot lines. Working hand-in-hand helps us both improve; it’s proven to foster more innovation than hand-offs and anonymous technical hotlines.

    Commitment to Knowledge and Skill

    Our training program goes beyond regulatory basics. Every technician, whether mixing drums or overseeing the autoclave, spends time on continuous education — both theoretical and practical. Veteran supervisors coach newcomers through not just what but why: from the reasons behind gradual reagent addition to the direct effects on final product crystallinity. This hands-on mentoring helps us catch small problems early, sustain process stability, and consistently deliver batches that perform at scale. Several of our senior operators hold certifications in hazardous material handling on top of their chemical qualifications. On the floor, the result is fewer errors, more insights, and a culture of pride in getting the material right.

    Looking Ahead With Direct Solutions

    We believe that manufacturing chemicals like 2-Bromostearic Acid goes beyond pushing boxes — it takes deep practical insight and an unwavering focus on everyday challenges. Feedback from clients, experiments on the pilot line, and sustained investment in staff development let us keep improving both product quality and practical support. While competitors focus on scale or price, our path relies on the real interactions between our production crew, technical advisers, and the folks using the product at the other end.

    As applications in emerging industries grow — think renewable lubricants, surface coatings in electronics, and specialty pharmaceuticals — we see 2-Bromostearic Acid finding new utility. Clients exploring these frontiers value not just the molecule but the certainty that what arrives in their facility can be traced back, explained, and adapted in lockstep with their changing requirements. Our experience tells us that by building a relationship on real knowledge and daily discipline, we set up everyone along the chain — from operator to end user — for safer, better, more predictable outcomes.