| HS Code | 361861 |
| Chemical Name | Dibenzoyl Peroxide |
| Appearance | White to off-white aqueous dispersion |
| Active Content | ≤ 42% |
| Stability | Stable in water dispersion |
| Solubility | Insoluble in water, dispersible |
| Odor | Faint benzaldehyde-like odor |
| Cas Number | 94-36-0 |
| Density | Approximately 1.2 g/cm³ |
| Ph | 6.0 - 8.0 (aqueous dispersion) |
| Decomposition Temperature | Above 50°C (decomposes rapidly) |
| Main Use | Polymerization initiator, curing agent |
| Shelf Life | 6-12 months when properly stored |
| Storage Conditions | Store in cool, dry, and well-ventilated area, away from direct sunlight |
| Hazard Class | Oxidizing agent, may cause fire |
As an accredited Dibenzoyl Peroxide [Content ≤ 42%, Stable Dispersion In Water] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | White, leak-proof plastic drum containing 25 kg of Dibenzoyl Peroxide (≤ 42%), stable aqueous dispersion, clearly labeled for safety. |
| Shipping | Dibenzoyl Peroxide (≤42%, stable dispersion in water) should be shipped in tightly sealed, corrosion-resistant containers, kept upright and away from heat sources, sparks, and direct sunlight. It must be clearly labeled as an oxidizing agent and shipped according to relevant hazardous materials regulations, ensuring cool, well-ventilated transport conditions for safety. |
| Storage | Store Dibenzoyl Peroxide (≤42%, stable aqueous dispersion) in a cool, dry, well-ventilated area away from direct sunlight, heat, and sources of ignition. Keep container tightly closed. Avoid contact with combustible materials, reducing agents, and strong acids or bases. Maintain temperatures below 30°C. Use only non-sparking tools. Follow local regulations for storage of peroxides and oxidizing materials. |
As a producer specializing in high-purity, water-dispersible dibenzoyl peroxide, we support several advanced manufacturing sectors with stable initiator chemistry for controlled polymer formation and reliable crosslinking. Our formulations enable consistent performance, production safety, and regulatory compliance across select industrial fields. Below, we outline practical downstream scenarios, each with specific integration points, compliance protocols, and value for finished product quality.
In the fiber-reinforced plastics (FRP) sector, water-based dibenzoyl peroxide dispersions initiate crosslinking of UPR matrices during open-mold and closed-mold FRP manufacturing. This ensures precise gel times and consistent mechanic strength in marine, automotive, and construction-grade components. End-users rely on predictable initiator behavior for panel, pipe, and tank fabrication lines where batch-to-batch extrusion and curing times must remain synchronized to quality protocols and productivity demands.
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Manufacturers of polymethyl methacrylate (PMMA) and related acrylic resins use the water-dispersed peroxide during block, continuous, or batch cast polymerization to regulate chain initiation and achieve clarity, uniform thickness, and reduced internal stress. The material gives consistent molecular weight control for high-transparency applications, where processing variability directly impacts optics and CNC workability in sign, glazing, and display fabrication markets.
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Dibenzoyl peroxide dispersions serve as crosslinking initiators in flexible and semi-rigid PVC paste resin systems used for flooring, synthetic leather, cable sheathing, and wall coverings. Our aqueous formulation helps producers avoid dusting, allowing automated dosing and rapid wetting within blending tanks. This results in even reticulation and robust final gel structures demanded by mechanical, abrasion, and migration resistance specifications in finished surfaces and flexible goods.
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Specialty adhesive makers utilize the water-stabilized form of dibenzoyl peroxide as a non-thiol cross-linking initiator for low-temperature hot-melt adhesives based on EVA or acrylics, particularly where rapid green strength and long open times are needed for bookbinding, packaging, and textile laminations. Carefully controlled addition prevents premature gelling while supporting productivity in automated roll-to-roll and flat-bed lines operating under higher viscosity tolerances.
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Elastomer processors incorporate our water-based dibenzoyl peroxide dispersion into EVA foaming and nitrile rubber (NBR) compounding lines to achieve precisely timed cross-linking at moderate temperatures. This is critical for automotive and sports product manufacturers who require uniform cell structure, high fatigue resistance, and repeatable cushion properties under high-speed, automated molding or extruding regimes, minimizing scorch risk while maximizing yield.
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Medical device and dental materials manufacturers use carefully metered peroxide dispersions to polymerize methyl methacrylate or bis-GMA based systems under room temperature or light-cure settings. The water-phase formulation reduces inhalation and handling risk, supports batch accuracy in clinical environments, and enables compliance tracking in dental laboratory and implant production, where patient safety and long-term polymer color stability are critical outcomes.
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Competitive Dibenzoyl Peroxide [Content ≤ 42%, Stable Dispersion In Water] prices that fit your budget—flexible terms and customized quotes for every order.
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Working day in and day out with organic peroxides, we see how real-world production throws curveballs that fixed, powdery forms don’t always handle well. Among the range of initiators and polymerization catalysts, Dibenzoyl Peroxide [Content ≤ 42%, Stable Dispersion In Water] steps in where custom processing, safety, and adaptability matter more than laboratory theory or catalog specs. This isn’t a product spun out for standard shelf life claims; it grew out of trial, error, batch setbacks, and hands-on adjustments from shop floor to pilot scale.
Anyone who has worked with dry or paste versions of dibenzoyl peroxide knows the quirks: dust can float, clumping can block feeders, sensitive formulations turn batch controls into a guessing game, and fine powders challenge even the smartest automated systems when it’s humid or static climbs. We tried every trick, but plant downtime and uneven dosages pushed us back to the drawing board. Technical teams, from synthesis rooms to polymerization lines, urged us—make a form that’s both easier and safer to handle, cuts risk of airborne particles, and fits fluid-phase dosing.
Stable dispersion in water solves most of these pain points. This product’s model keeps DBPO crystals suspended in water. Each droplet becomes a measured package, easier to pump and meter, and the risks of dust fires or inadvertent inhalation stand close to zero. Workers aren’t opening bags or fighting with airflow. Pumps hum, lines stay cleaner, and formulations keep on pace, even if summer heatwaves hit. It lines up perfectly with need for both batch control and continuous operation.
For the sake of clarity, the grade we produce falls under ≤ 42% content, stabilized and dispersed in water. That figure didn’t land by accident. Higher concentrations cause clumping and crystal growth, making the suspension gritty or separating under modest truck vibrations. Lower concentrations lose the “oomph” required for practical initiator action, and water logistics spiral up. Field tests show our batch at this midpoint travels well, endures moderate shaking, and pours evenly through the smallest filling pumps or gravity lines. Out there in the plant, it’s as much about convenience as chemistry.
With every lot, we tune the inner stabilizer package—no batch simply “meets spec” by finishing lab analysis. The paste version always caused agitation headaches because little processing changes killed flow. We spent years exploring dispersing agents, temperature conditioning, and microfiltration to keep the active DBPO content uniform, so downtime stays low. Upstream, purified feed materials play a bigger role than most buyers ever see.
Even though this grade carries a DBPO content of ≤ 42%, shelf experience shows what maters most is long-term homogeneity and minimal settling. Free-flowing doesn’t mean an expensive surfactant cocktail—stable means delivered in a form that avoids phase separation over months, so operators won’t panic at some layered white gunk after a week in storage. Actual plant feedback has more value than any R&D wish list or marketing claim. Our on-the-line technicians prefer this formula because downtime from line clogs shrinks.
On analysis, water content and particle sizing get tight QC scrutiny. Typical pH ranges align with downstream polymer emulsification, so blending directly in latex or certain resins skips extra neutralization steps. The appearance—a smooth, consistent opaqueness—gives everyone from QC staff to late-shift operators a visual check. Any grittiness or visible settling triggers a full bucket review; we know the difference between acceptable creaming and product failures that cost days.
The biggest users—for example, unsaturated polyester resin makers or acrylics plants—once relied on dry powder or thick paste DBPO. The day always comes when dust controls let something slip, yields go off target, or a paste plug kills a fill. Years ago, plant managers asked for a stable, flowable, water-based dispersion so mixing could be faster, with fewer stoppages, no fume clouds, and no dry handling.
Stepping away from dry powders reduced friction everywhere: environmental health audits tightened, and powder spillage is a real regulatory headache, especially near food or cosmetic lines. With our water-dispersed product, even small-scale users get the same safety benefit as large plants. Everyone—line supervisors, maintenance staff, procurement—wants certainty: add a known dose, minimal residue, easy clean-up, and no complex disposal after a spill.
In production, this dispersion pours smoothly from drum or tote, and long transfer lines stay unclogged over multi-shift runs. No matter the process—batch reactors, in-line mixers, bulk tank blending—the water-based formula pairs neatly with automated metering pumps. As a manufacturer, we frequently get asked, do the water and stabilizers dilute reactivity? Lab and real plant data agree; yield is on target, and side reactions drop, especially since additives do not introduce strong ions or metallic residues that might trigger polymer issues downstream.
No need to break up clumps or chase powder through ventilation systems. Surplus or spills clean up with water alone. Mixing vessels rinse easily because residue is water-dispersible; this contrasts with pastes, which sometimes coat impellers and require stronger solvents for cleaning. With stable dispersion, occupational exposure rules align with water-handling SOPs. Teams appreciate this especially where regulatory audits have grown tougher: risk reports shrink, not just because of statistical incident drops, but because actual on-the-floor handling improves.
Comparing straight water dispersion DBPO [≤ 42%] to traditional pastes or powders isn’t simply about spec sheets—it’s less about a “better” model than which works with your actual operation. Powders deliver concentrated DBPO, but every user has seen how the free-flowing claim means rare conditions only: any moisture turns bags into bricks, and plant humidity is everywhere. Pastes blend somewhat into resin or latex, but their high viscosity leads to slow mixing and frequent dosing errors. Among our customers, repetitive complaints revolved around wasted time, inconsistent initiator load, and mixing uniformity.
Dispersion in water creates new options: large, automated plants switch to inline dosing, and smaller setups benefit from a simpler, safer pour. Handling risks related to static discharges or powder inhalation fade. In dozens of customer trials, downstream automation improved because dosing accuracy was enhanced. We observed a more even gel time, directly improving batch-to-batch consistency. Where continuous production once worried about paste plugging, conversion to our water-based model brought smoother operation. There’s always value in listening closely to complaints from the plant. That’s where the real difference becomes obvious.
DBPO is a strong oxidizer, no matter the carrier medium. Water dispersions reduce (but don’t eliminate) the thermal sensitivity that causes accidents—storage temperatures still matter, but the water fraction damps down thermal runaway risk. In practice, linking storage to existing water-based systems lowered separation worries, and if overheating occurs, emergency containment is more manageable than with powders.
From a chemical manufacturer’s perspective, the stable water dispersion made compliance more practical. Training focuses on standard liquid-handling, not on specialized powder containment. Safety data sheets highlight mitigated health and reactivity risks, and storage protocols lean on standard chemical drum procedures. Even a small spill or operator mistake leads to easier clean-up; waste handling becomes more typical of a mild oxidizer solution. This directly matches the experience of environmental officers who tire of elaborate powder spill drills. Our lot-tracked data backs lower workplace interruption rates after conversion to the dispersion variant.
Process engineers appreciate how this dispersion integrates with automated flow systems. Drag-and-drop digital control is far more reliable with a product that resists settling and clumping. In line audits, maintenance teams point out evenness of flow and predictable response times. Unplanned shutdowns for line cleaning fell off after conversion.
Another often-overlooked benefit involves additive compatibility. Standard polymer emulsions and resins—often sensitive to ionic impurities—respond well to our dispersing and stabilizer package. Side reactions, such as premature gel or unplanned crosslinking, show statistical reduction across trial and production lines. As feedback comes in, we work closely with partners to tune stabilizer selection, so downstream chemistries stay predictable.
The flow characteristics of the water-dispersed model adapt well to variable plant conditions. For example, filling operations no longer slow during seasonal humidity shifts, as with powders. Operators observe more predictable mixing rates, and tracking volume through metering equipment is easier without worrying about air entrainment or surges caused by lumps.
Years of supplying polyester, acrylic, PVC, and adhesive plants gave practical insights into why batch trials matter more than formal data. Each use case brings its own quirks, but the water-dispersed model wins trust through repeated, failure-free performance over many campaigns, not only during bid qualification. In pilot lines, we saw how switching up to the dispersion shaved minutes per batch and kept reactive phases tight, especially for customers working with air- or moisture-sensitive feedstocks.
Common challenges still show up—a block of cold storage, for example, may cause micro-settling, so we advise gentle agitation, not aggressive mixing, to re-homogenize. Years ago, operators learned the hard way that over-mixing adds heat, which risks instability. With our current stabilizer balance, moderate drum rolling returns the dispersion to a smooth state. QC trends highlight which transport distances or climate zones challenge dispersion stability, and every batch carries history tracking, both for compliance and for real learning.
From direct observation, product specs for water-dispersed DBPO reflect tension between process demands and real chemical stability. It’s easy in theory to boost concentration for cost efficiency or minimize water for bulk storage, but in practice, this strains the suspension to breaking—settling, difficult pump transfers, shorter shelf life, and more operator headaches.
Each annual cycle, we run collaborative plant tests and review field returns. Feedback drives continuous adjustment: new surfactants, cleaner base materials, and more robust particle control. Packaging also evolves; moving from standard drums to lined totes improves both shipment stability and unloading speed. Our lab techs and scale-up teams don’t see this dispersion as static—data blends with field use, and small tweaks mean each batch adapts to new requirements as plants change.
Our confidence in this water dispersion arises directly from long-term tracked incident rates, not marketing catchphrases. Over hundreds of shipments, incidents linked to dusty spills, inhalation complaints, and unpredictable dosing dropped significantly after customers transitioned. Traceable logs across five years show not only customer retention but faster “first-time-right” batch rates among those who switched.
Sustainability, a buzzword elsewhere, lives here as measured waste reduction. Less product loss during handling, milder waste chemistry, and faster clean-up mean lower total impact per kilogram initiated, as measured both by our waste streams and our customers’ own audits. Safety teams reviewing near-miss reports saw a noticeable step down in oxidizer-related incidents.
No dispersion completely removes every risk. Storage still relies on cool, predictable environments. Drum agitation—manual or mechanical—sometimes brings air bubbles if rushed, so training and routine SOP checks still matter. Not all customers benefit equally: some high-throughput lines with entirely enclosed powder dosing systems may not improve their output, though operators still cite handling comfort. In rare cases, fussy resin formulations interact with trace dispersants in ways that dry DBPO simply avoids, so continuous dialogue between our technical support and plant chemists remains critical.
We don’t pitch water-dispersed DBPO as a universal panacea. Rather, it fits best in environments that value safer handling, flexible dosing, easier clean-up, and minimal downtime. Operations changing from powder-based hazards or stuck with paste blockages report the largest productivity and safety gains; installations with highly efficient ventilation and dust control gain less, unless operator time and ergonomics matter more.
Looking ahead, regulatory pressure builds for safer, lower-emission plant operation—especially in growing chemical manufacturing regions with stricter oversight. Our ongoing R&D focuses on not only further stabilizing the dispersion for even longer storage, but also refining stabilizer chemistries to suit specialty polymers and coatings better. Customer requests drive real change: fine-tuning pH control for cutting-edge resin systems, experimenting with green stabilizers, and shifting toward recyclable packaging, all while ensuring the water-dispersed product remains practical and safe even at high consumption rates.
As technology evolves, so does our recipe. We work directly with plant partners to align on priorities—sometimes that means tighter filtrate quality, sometimes it’s eliminating legacy surfactants, other times it targets process automation compatibility. Every upgrade comes from a blend of plant trial learning, close quality tracking, and zeroing in on issues that cost real money and time.
For chemical formulators and plant operations that value faster setup, easier cleaning, reliable dosing, and lower air quality risk, dibenzoyl peroxide [≤ 42%, stable dispersion in water] stands out. Hands-on experience, not just specifications, shapes our approach, and changes get measured in hundreds of hours of successful processing, not only in a handful of approval batches.
Each new shipment gets reviewed as part of the ongoing dialogue between manufacturing floor and R&D—this cycle of feedback and improvement enabled the practical, reliable option we offer today. Where others see commodity, we see a chance to make safer, smarter, and more consistent workflows out of what used to be routine hazards and process headaches.