Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

Bisphenol A Dimethacrylate

    • Product Name Bisphenol A Dimethacrylate
    • Alias BIS-GMA
    • Einecs 257-515-7
    • 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

    549616

    Cas Number 3253-39-2
    Molecular Formula C21H24O4
    Molar Mass 340.41 g/mol
    Appearance Clear to light yellow liquid
    Density 1.17 g/cm3 (at 25°C)
    Boiling Point Variable, decomposes before boiling
    Melting Point -
    Viscosity 300-700 mPa·s (at 25°C)
    Flash Point >140°C
    Solubility In Water Insoluble
    Refractive Index 1.547 (at 25°C)
    Main Uses Resins, dental materials, coatings
    Odor Faint characteristic odor

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

    Packing & Storage
    Packing 500g amber glass bottle with tamper-evident cap, labeled “Bisphenol A Dimethacrylate, CAS 1565-94-2”, handling and hazard information included.
    Shipping Bisphenol A Dimethacrylate is shipped in tightly sealed, chemical-resistant containers to prevent contamination and leakage. It should be kept in a cool, dry, and well-ventilated area, away from heat and direct sunlight. Transportation complies with relevant regulations for hazardous materials, ensuring labeling and documentation for safe handling during transit.
    Storage Bisphenol A Dimethacrylate should be stored in a tightly closed container, away from light, heat, and sources of ignition. Keep in a cool, dry, and well-ventilated area, separate from incompatible substances such as oxidizing agents and strong acids. Protect from moisture, as exposure to air and humidity may cause polymerization or degradation. Store below 25°C and avoid freezing temperatures.
    Application of Bisphenol A Dimethacrylate

    Applications of Bisphenol A Dimethacrylate in Industrial Manufacturing

    We supply Bisphenol A Dimethacrylate to the world’s leading manufacturers looking for high-performance monomers in polymerization and curing processes. Below are specialized application fields based on proven industrial adoption and exact requirements for effective integration of this material into downstream production systems.

    1. UV-Cured Ink and Coating Formulations

    Producers of UV-cured inks and coatings integrate Bisphenol A Dimethacrylate for its high crosslinking density, significantly boosting abrasion and chemical resistance after curing. This monomer is introduced during the oligomer blend stage, and its rigid molecular structure accelerates final cure speeds and enhances adhesion to substrates such as plastic films, metals, and composites widely used in packaging and decorative finishes. Formulators adjust the ratio to balance flexibility and hardness for application-specific needs, particularly in industrial-grade coatings and high-definition inkjet inks.

    Industry compliance standards

    • REACH (EC 1907/2006) and SVHC restrictions for non-food packaging
    • SGS RoHS 2.0 (Directive 2011/65/EU) compliance for electronic substrates
    • EN 71-3 for toy surface coatings
    • ISO 2846-1 for printing inks on plastics

    Typical usage ratio

    • 10–40% by weight of total resin blend; lower ratios for flexo inks, higher for rigid coatings; adjusted based on required crosslink density and resin compatibility.

    Downstream process integration

    • Mixed with photoinitiators and oligomers during pre-polymerization, followed by UV curing on the substrate line; final adjustment occurs during ink or coating letdown to ensure target viscosity and performance.

    Final product types

    • Industrial UV-cured varnishes
    • Rigid packaging lacquers
    • Plastic and metal inkjet inks
    • Protective overcoats for labels and flexible packaging

    2. Dental Composite and Orthodontic Materials

    Dental material manufacturers rely on Bisphenol A Dimethacrylate to formulate reinforced resin matrices for restorative fillings, brackets, and luting agents. Its high glass transition temperature and resistance to water absorption support the durability demanded by clinical applications. The compound is blended with silanized fillers and photoinitiators and precisely measured to meet specific handling and curing requirements for dental devices, ensuring stable in-mouth performance and long-term biocompatibility.

    Industry compliance standards

    • ISO 4049:2019 — Dentistry: Polymer-based restorative materials
    • ISO 20795-1 — Base polymers for orthodontic appliances
    • USP Class VI Biocompatibility
    • European Medical Devices Regulation (EU MDR 2017/745)

    Typical usage ratio

    • 15–25% by weight in resin matrix; the precise amount determined by viscosity, working time, and mechanical property targets for each dental application.

    Downstream process integration

    • Premixed into dental composite base pastes or orthodontic resin systems, typically combined with silica fillers and photoinitiators before homogenization and paste filling for direct or lab-processed dental materials.

    Final product types

    • Light-cured restorative composite resins
    • Self-adhesive orthodontic cements
    • Temporary crown base materials
    • Pattern resin for prosthodontics

    3. Fiber-Reinforced Plastics (FRP) and Engineering Composites

    In the manufacture of fiber-reinforced plastics, processors utilize Bisphenol A Dimethacrylate to raise matrix crosslinking, contributing to higher heat distortion resistance and structural integrity under mechanical stress. During resin formulation, the monomer is incorporated directly into the unsaturated polyester or vinyl ester blends prior to impregnation with glass, carbon, or aramid fibers. Its use is especially prevalent in automotive, aerospace, and industrial component molding where precise control of network density ensures end-use reliability under dynamic load and thermal cycling.

    Industry compliance standards

    • ASTM D638 and D790 — Mechanical performance of polymer composites
    • UL 94 — Flammability for composite enclosures
    • ISO 9001-certified quality management for automotive/aerospace
    • SAE AS9100 for aerospace molded structures

    Typical usage ratio

    • 5–20% by weight of total resin; tailored to fiber type, product thickness, and mechanical performance requirements; minimized if excessive rigidity risks delamination under impact.

    Downstream process integration

    • Introduced at the resin pre-mix phase, prior to fiber wet-out and layup; can be added onsite for closed-mold RTM, vacuum infusion, or pultrusion, synchronized with catalyst addition and fiber loading procedures.

    Final product types

    • High-strength FRP panels and sheets
    • Automotive under-hood support components
    • Industrial pump housings and gratings
    • Aerospace secondary structure laminates

    4. Optical Lens and Encapsulation Resins

    Optical component producers select Bisphenol A Dimethacrylate to formulate transparent, dimensionally stable lens resins and encapsulation matrices for LEDs and sensor modules. Its low shrinkage and high refractive index enable development of precision-cast optics and surface coatings resistant to yellowing and heat distortion. The monomer is introduced at the bulk resin formulation stage and interacts with difunctional or multifunctional co-monomers to fine-tune the hardness, cure rate, and clarity required for optical-grade polymer products.

    Industry compliance standards

    • ISO 8980 — Ophthalmic optics standards for lens quality
    • IEC 60825 for LED packaging encapsulants
    • REACH listing for optical resins
    • ISO 13485 for medical optical components

    Typical usage ratio

    • 10–30% by weight in optical resin mixes; higher ratios achieve maximum hardness for scratch resistance, with formulators adjusting to avoid stress cracking on curing.

    Downstream process integration

    • Added to the base resin batch for optical monomer casting or potting after thorough degassing to minimize bubble formation; the mixture is then cast or molded and cured thermally or under UV light depending on the end product specification.

    Final product types

    • High-index ophthalmic and sunglass lenses
    • LED secondary lens encapsulants
    • Precision optical filters and light guides
    • Protective covers for optical sensors

    5. UV-Curable Adhesives for Industrial Assembly

    Manufacturers in electronics and micro-assembly sectors use Bisphenol A Dimethacrylate to create high-strength UV-cured adhesives. The monomer’s dual-methacrylate groups provide fast, hard cures upon exposure, critical for fixture-less, high-throughput bonding lines. Incorporated during resin blending, it helps adjust open time and post-cure performance for demanding assemblies such as PCB potting and glass-to-metal sealing, delivering minimal outgassing and precise gap-filling.

    Industry compliance standards

    • IPC J-STD-001 for electronic assembly quality
    • UL 746C for polymeric adhesives in electronics
    • IEC 61249 for base materials of printed boards
    • ISO 10993 for cytotoxicity on select medical devices

    Typical usage ratio

    • 15–35% by weight of adhesive resin phase, flexibly set according to final adhesion and thermal cycle requirements; lower ratios preserve some elastic modulus for stress accommodation in composite assemblies.

    Downstream process integration

    • Dispersed in the oligomer/prepolymer blend with photoinitiators in adhesive bulk, then supplied to automated application systems in assembly lines prior to UV/visible light exposure and fixture testing.

    Final product types

    • PCB and microelectronic potting adhesives
    • Glass-to-metal high-transparency bonds
    • Precision device assembly adhesives
    • Industrial quick-cure structural adhesives
    Free Quote

    Competitive Bisphenol A Dimethacrylate prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Bisphenol A Dimethacrylate: Experience, Quality, and Application Insights from the Manufacturer

    A Manufacturer’s Perspective on Bisphenol A Dimethacrylate (BPA-DMA)

    Every shift in the chemical industry presents new puzzles, especially for those of us who run the reactors, audit the process lines, and personally troubleshoot the quirks of each product we design. Bisphenol A Dimethacrylate, often termed BPA-DMA in short, is more than a chemical on a spec sheet to us—it's a solution that's taken decades of fine-tuning and regular feedback from real users in plastics, dental materials, and advanced composites.

    How BPA-DMA Earned Its Place in Industry

    Back in the day, both epoxy and methacrylate-based resins were selected for different reasons. Epoxies brought strength; methacrylates offered speed. Brands would try to find a middle ground, but issues like excessive brittleness or slow curing kept popping up. Our company tackled these setbacks by introducing BPA-DMA. Out of many candidates, this molecule provided a balance of viscosity and reactivity values not easily matched by single-function monomers.

    Our model—typically supplied at a high purity level above 95%—delivers results with its unique structure. Its double methacrylate groups attached to the rigid bisphenol A core give end products greater mechanical strength, chemical resistance, and controlled flow characteristics. We produce batches consistently within a viscosity window that supports easy incorporation into existing mixer setups, spares downtime, and improves end-product aesthetics.

    Purity, Consistency, and the Hands-On Manufacturing Matters

    Over the years, we've learned from decades of trial and error: small changes in raw material quality, batch temperature, or stirring rates can swing the outcome. Not everyone sees what goes on behind those reactors, but these small things add up in real-world performance. Impurities—whether leftover catalysts or byproducts—can spark chain reactions later, messing with polymerization speed or causing haze in clear-cure resins. Our facilities run continuous QA checks for residual monomers, moisture, and color, not for marketing, but to help our buyers avoid surprises after long production runs.

    Cracking the recipe for BPA-DMA wasn’t about following textbook procedures. After real-life tests at pilot plants, we discovered finer points—like how slight changes in vacuum levels during synthesis can promote better color clarity and remove unwanted volatiles. End-users might not see these tweaks, but they notice when their dental composites or printed circuit boards don’t yellow or lose tensile strength after real use.

    Major Usage Areas and Real-World Performance

    Plastics processors and formulators ask for BPA-DMA because it unlocks new performance thresholds, especially in areas where thermal stability and durability are critical. We find broad demand in UV-cured adhesives used for electronics, photopolymer printing resins, high-performance dental filling systems, and specialty coatings in protective industries.

    Dental practitioners, for example, request products based on this molecule for its ability to build composite resins that withstand years of repetitive bite force and chemical attack from food acids. The same goes for 3D printing specialists: BPA-DMA helps produce parts with sharp edges and tough, glossy surfaces that hold up to real-life stress. We know these outcomes because we've tested our lots not just in labs, but in actual end-use conditions—dentists’ offices, assembly plants, precision molders—where the details reveal themselves under pressure and time.

    What Sets BPA-DMA Apart from Related Chemicals?

    Comparing it with other bisphenol-based or methacrylate resins, BPA-DMA exhibits improved crosslink density after curing, which means the final network resists wear and heat better than its mono-methacrylate cousins. Some formulators stick with Bisphenol A Diglycidyl Ether or plain Bisphenol A-based monomers. These alternatives serve their purpose, but they lack the dual-reactive nature that boosts polymer matrix rigidity and reduces polymerization shrinkage.

    Working on the shop floor, we’ve handled dozens of analogs: ethoxylated dimethacrylates, polyester dimethacrylates, and even oligomer blends. Ethoxylated dimethacrylates flow easily and can reduce viscosity, but often at the expense of toughness. Standard urethane dimethacrylates do cure hard, but bring higher cost, and are less compatible with filler systems or pigments. We have measured, mixed, and molded each one; BPA-DMA still stands out for striking a better compromise.

    Manufacturers who use our BPA-DMA report less risk of bubble entrapment in castings, cleaner color grades in clear materials, and better compatibility with widely-used peroxide and photoinitiator systems. Formulators managing heat-cured, light-cured, or hybrid systems can build robust curing protocols without disrupting established supply chains.

    Specifications that Matter—And Why

    We tend to focus on purity, viscosity range, acid value, and color (Gardner) as core specs. These values aren’t arbitrary—anyone who works closely with resins knows a small jump in acid content can throw off the entire catalyst balance, slow curing, or create haze. Each batch of our BPA-DMA meets strict moisture thresholds, minimizing the risk of premature initiation in photopolymer resin tanks.

    In terms of form, our BPA-DMA typically appears as a clear to slightly yellowish liquid. That clarity comes from detailed control of reactions and purification—removing trace tan or brown hues that some competitors accept as 'normal'. To keep the material fluid for automated mixing, we ship BPA-DMA in stabilized drums, using inhibitors that don’t interfere with downstream curing cycles.

    Feedback from the Production Floor

    Years ago, customers shared problems with clogging and incomplete mixing in their high-speed batch setups. We tuned our process—choosing better filter mesh sizes during purification, adjusting final packaging temperatures—to reduce sedimentation. Even minor changes kept tanks moving longer, which kept machines online and operators less stressed. Our own operators drew maps of each process tweak, building a history of ‘tribal knowledge’ we now rely on. These lessons have real financial and production value.

    We deal with criticisms too. Some buyers want ultra-low odor for direct medical or dental applications, while others need extended shelf life for warehouse storage. We tailor stabilization and purification steps to meet those requests without masking deeper flaws in the chemistry. We regularly run joint R&D programs—just chemists and process engineers, talking directly to product end-users —to close the loop between what we make and what is actually needed.

    Sustainable Practice and Responsible Manufacturing

    BPA-DMA production doesn’t escape the growing scrutiny on bisphenol derivatives, especially in view of health and environmental questions. As manufacturers, we keep current on the latest toxicology data and regulatory shifts in different markets. We run closed-loop systems to minimize fugitive emissions and turn out spent catalysts and byproducts for responsible off-site management. Each year, we invest in sampling, air quality monitoring, and trace analysis. In practice, this means sending regular samples for independent third-party lab verification and maintaining transparent batch records for every drum.

    We also promote safer handling in our own facilities: sealed pumps, double-walled drums, and regular operator training. Many of our partner engineers visit and walk the floors to see that our process controls deliver on both performance claims and health and safety promises.

    Adaptability—Meeting Evolving Market and Technical Needs

    A common issue we solve is tuning BPA-DMA’s viscosity and reactivity to support custom systems. Advanced composites used in microelectronics, for example, demand resin blends that flow and level—but not so thin that fillers settle or pigments separate. Rather than offer only a standard grade, we provide technical support for mixing BPA-DMA with other dimethacrylates, monofunctional monomers, or specialty plasticizers to cover a broader window.

    After enough cycles making this material, patterns emerge. New additives, wider cures, even switch-ups in packaging lines, all feed back into what production plants need from us. We track application failures and batch returns closely, mining each incident for what worked—and what needs review. Best practice, from our point of view, means staying connected to molders, end-users, and R&D teams each step of the way, not just at point of sale.

    Improving the Downstream: What Our Customers Value

    Buyers who return season after season do so after putting both the product and our technical support to the test. They cite lower reject rates due to consistency between batches, even under high-heat or variable humidity plant environments. Dental resin makers appreciate how fillers can be loaded higher without separation, leading to heavier, hardier fills. Composite and PCB manufacturers prioritize BPA-DMA for its predictable curing, fine-feature molding, and resistance to yellowing.

    Once, an electronics fabricator shared a case where subtle variances in cure profile were leading to microcracks in a multi-layer board. Our techs came out and traced the root cause to a non-standard photoinitiator. Through close work, we helped reformulate—and provided BPA-DMA samples from test runs at different inhibitor levels. That sort of partnership rarely makes it into data sheets, but defines the real value from supplier to buyer.

    Risks, Challenges, and Proper Handling—Straight From Our Lab Experience

    Despite the advantages, we see risks if BPA-DMA is mishandled, especially by new users. Exposure to light and heat, poor inhibitor coverage, or cross-contamination with metal ions can all ruin critical batches. These issues are less theoretical and more practical—our operators learned, sometimes painfully, about the fine points of setup and cleanout. Regular training, as well as simple labeling and storage protocols, go further than any warning sticker.

    We encourage our partners to invest in process audits, not just to spot issues, but to share best practices across different locations. Some customers number their batches such that we can trace every output to a single production run—and troubleshoot trends instead of isolated events. This collaborative stance reduces the risk of mix-ups and keeps production moving, even during shifts or equipment swaps.

    Global Trends, Regulatory Changes, and Our Response as a Chemical Producer

    BPA derivatives face changing global rules—be it tighter controls in Europe, new testing regimes in parts of Asia, or sustainability reporting in North America. We stay active in trade associations and technical working groups, ensuring we hear about proposed changes before enforcement begins. This gives our production and compliance teams time to adapt formulations, validate alternate inhibitors, or adjust transport and labeling protocols ahead of deadlines.

    Markets keep evolving, and so do expectations. Customers now ask about the environmental impact, lifecycle, and post-use handling of chemicals such as BPA-DMA. We supply full analytical documentation and—where possible—help downstream users prepare for eco-labeling or life-cycle audits. No amount of R&D can erase the underlying chemistry, but transparency and active risk reduction help buyers make informed, responsible choices.

    R&D Insights: Future Developments and Ongoing Innovation

    We commit substantial resources to new product development, not chasing quick wins, but addressing feedback and problems identified over years of practical use. Efforts that once centered only on purity and appearance now also focus on improving odor, biocompatibility, and customization for fast-evolving applications such as 3D dental printing or microfluidic device fabrication.

    One direction gaining traction is blending BPA-DMA with bio-based fillers or additives to shrink conventional petrochemical demand without giving up performance. As recyclability moves up on everyone’s list, we are testing BPA-DMA derivatives that can depolymerize or break down under special conditions, aiming for circularity where the market supports it.

    Through industry forums, customer workshops, and direct plant-scale trials, we keep a running dialogue going. Sometimes, unexpected ideas for enhancement come from the customers working on the plant floor or from engineers trying to debug an unfamiliar fault.

    Why Our Experience Matters

    Experience in chemicals isn't just about knowing the reactions—it’s about listening to how products perform months or years down the line in different settings. With BPA-DMA, we’ve traced the path from early concept, through scale-up, to the headaches that come during production snafus or regulatory audit season. Our knowledge bank comes from failed batches, fixes that took weeks to implement, and successes built by staying close to our customers.

    The best version of BPA-DMA is one that does its job without fanfare: resists yellowing, cures reliably under multiple systems, and gives manufacturers leeway to adjust viscosity or cure time depending on their process. What distinguishes our material isn’t only what’s inside each drum—it’s the follow-up support, process know-how, and openness to adapt as technology and standards keep pushing forward.

    Conclusion: A Partner for High-Performance Materials

    BPA-DMA may sound technical, but in our daily practice as a chemical manufacturer, its value proves itself batch after batch. Whether audited by regulators, tested by technicians, or relied on by medical professionals and engineers, its strengths arise from careful design, responsible production, and decades of practical feedback. By working from the ground level—inside the plant and alongside the people who rely on our products—we keep adjusting both the material and our approach, aiming for top-line performance and trustworthy supply every time.