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HS Code |
657422 |
| Cas Number | 19910-65-7 |
| Molecular Formula | C10H18O6 |
| Molecular Weight | 234.25 g/mol |
| Synonyms | Peroxydicarbonic acid, bis(n-propyl) ester; Peroxydicarbonic acid, dipropyl ester |
| Appearance | Colorless to pale yellow liquid |
| Purity Content | ≤100% |
| Melting Point | -17°C |
| Boiling Point | Decomposes before boiling |
| Solubility | Insoluble in water; soluble in organic solvents |
| Storage Temperature | 2-8°C (Refrigerated, away from heat/light) |
| Main Use | Polymerization initiator |
| Density | Approx. 1.02 g/cm³ at 20°C |
| Flash Point | No flash point (decomposes) |
| Un Number | 3111 |
| Stability | Unstable, decomposes explosively on heating |
As an accredited Di-N-Propyl Peroxydicarbonate [Content ≤100%] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Di-N-Propyl Peroxydicarbonate is packaged in a 500g airtight, light-resistant HDPE bottle with hazard labeling and secure, leak-proof cap. |
| Shipping | Di-N-Propyl Peroxydicarbonate [Content ≤100%] must be shipped as a dangerous good in accordance with regulatory guidelines. It should be kept in tightly sealed containers, protected from heat, light, and sources of ignition. Use temperature-controlled packaging and include appropriate hazard labels and documentation to ensure safe transport and compliance. |
| Storage | Di-N-Propyl Peroxydicarbonate [Content ≤100%] should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, sources of heat, ignition, and incompatible materials such as strong acids, bases, and reducing agents. Keep the container tightly closed and in a secure, temperature-controlled environment, preferably below 10°C (50°F). Handle with care, as it is sensitive to shock and friction. |
Applications of Di-N-Propyl Peroxydicarbonate [Content ≤100%] in Industrial ManufacturingAs the original manufacturer of Di-N-Propyl Peroxydicarbonate, we supply this high-purity initiator to polymer industries worldwide. The following scenarios highlight established and legally compliant uses of the material across certified sectors. Each section outlines applicable regulatory standards, practical integration parameters, and the specific downstream processes where our peroxydicarbonate plays a critical role in enabling advanced materials production. 1. Suspension Polymerization of Polyvinyl Chloride (PVC)This peroxide-based initiator is widely used in the suspension polymerization of PVC, where consistent particle size and resin porosity directly affect processing, downstream blending, and finished article quality. The initiator’s thermal decomposition profile enables controlled free-radical generation in the aqueous phase, matching the heat management requirements of large-scale reactors during high-throughput production. Strict adherence to environmental and occupational safety guidelines governs application in this sector, addressing residual monomers, byproduct profiles, and workplace exposure levels throughout the full production window. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Manufacturing of Acrylate Polymers and CopolymersThe initiator’s performance under moderate temperatures makes it suitable for homopolymer and copolymer production involving methyl methacrylate (MMA), butyl acrylate, ethyl acrylate, and related ester monomers. Its decomposition delivers a clean initiation step for high-clarity resins. Producers strictly manage the initiator’s input ratio and addition sequence to optimize molecular weight distributions, gel content, and conversion rates while reducing monomer residues. Regulatory oversight covers volatile organic emission controls, product safety, and additive migration into finished plastics. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Production of PVC Copolymers for Medical and Specialty FilmsThis initiator is preferred in medical copolymer grades requiring minimized leachable levels and uniform molecular characteristics. Manufacturers utilize this grade in controlled polymerizations with co-monomers such as vinyl acetate, enabling precise control over film forming, plasticizer absorption, and clarity. Addition levels and thermal profiles are verified by internal QA systems and through compliance with downstream product pharmacopoeial standards and bio-compatibility assessments prior to film extrusion and end-use sterilization. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Microcellular Foam Production for Specialty PackagingThis peroxydicarbonate enables precise nucleation of microcellular foams during the reactive extrusion of PVC- and acrylate-based formulations. Its decomposition temperature profile allows manufacturers to control foam density, pore structure, and mechanical resilience in packaging applications where product protection, thermal insulation, and weight reduction are essential. The use coincides with the strict limits on by-products and migration, especially for packaging that must comply with global food or pharma contact requirements. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Controlled Radical Polymerization for Specialty DispersionsThis peroxide blend is used in the controlled radical polymerization of specialty vinyl and acrylate dispersions for technical coatings, binding agents, and electronic encapsulation materials. Its decomposition behavior under moderate temperatures offers precise kinetic management for late-stage conversion, vital for narrow particle size distributions and consistent dispersion viscosity. The production process operates under strict batch validation to adhere to downstream application specifications for technical and electronic industries, ensuring dispersions meet exacting purity and stability requirements. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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Competitive Di-N-Propyl Peroxydicarbonate [Content ≤100%] prices that fit your budget—flexible terms and customized quotes for every order.
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As a chemical manufacturer who has spent years perfecting organic peroxide production, I've seen the way specialized initiators shape the quality of modern plastics and coatings. Di-N-Propyl Peroxydicarbonate, a clean, colorless liquid, brings serious efficiency to batch and continuous polymerizations. Producing this material to an assay close to 100% remains a delicate process. Every batch depends on moisture-free, controlled reaction steps followed by careful distillation and crystal-clear purity checks. Handling begins at raw materials—we source alcohols and phosgene derivatives directly, tracking every step to maintain traceability and peace of mind once those drums leave our gates.
In our plant, target content at or near 100% isn’t just a bold label; it’s our core promise to polymer and resin makers. No stabilizers or fillers—each vessel contains only Di-N-Propyl Peroxydicarbonate, bottled fresh. Our reactors cool the mix to keep decomposition at bay, so we're shipping a product stable straight from the factory. Reliable content assures our partners in PVC, acrylics, and other polymer fields that every drop initiates chain reactions without introducing unwanted variables. Polymerization managers tell us uncontrolled side products from inconsistent initiators can lead to uneven molecular weights, poor mechanical strength, and processing headaches downstream. What goes in pure comes out pure.
Over the years, our DPDC (Di-N-Propyl Peroxydicarbonate) line runs to a common model, with each variant adjusted for customer environmental needs. We analyze for active oxygen content, breaking down lots by actual peroxidic activity—not just nominal percentage. Closed, inert containers, strict low-temperature shipping, and real-time temperature-monitoring tags on batch shipments matter as much as chemical verification. We do not thin or pre-formulate with phlegmatizers unless specifically requested, so customers receive undiluted content that aligns with polymer recipes precisely.
For those in batch and suspension polymerization—particularly manufacturers scaling PVC and acrylate resins—DPDC stands apart from lower-purity peroxides. By avoiding phthalate or aromatic residues, and using only aliphatic n-propyl chains, we cut risks of odor, haze, or contamination in final resin. This goes beyond laboratory grade; each lot runs through high-performance liquid chromatography to confirm uniformity and remove decomposition products. The 100% content level extends shelf life, provided users store under cold, dark conditions. Customers operating continuous reactors depend on constant initiator performance. Most competitors cut product with solvents to boost shelf life or ease of handling, often sacrificing consistency batch-to-batch.
Manufacturing peroxy compounds means living with safety as a daily discipline. Di-N-Propyl Peroxydicarbonate comes with no stabilizer, so production and loading teams operate under rigorous cool-chain logistics. As a manufacturer, our staff trains on peroxide-specific protocols—nitrile gloves, grounded vessels, and non-sparking tools. Each drum is labeled with real batch dates, and shipping containers get packed with cooling packs or dry ice for international land or marine transport. We do not shortcut this process even for local partners, because uncontrolled warming kills both safety and performance. We urge customers on the receiving end to continue this vigilance—every hour at room temperature chips away at purity.
Unlike some aromatic peroxides, DPDC lacks benzene rings, which reduces risk of toxic by-products during routine handling and downstream thermal breakdown. Direct sunlight and static are non-negotiable risks, so anyone familiar with peroxy carbonates knows the sight of insulated, grounded drum rooms. When accidents happen, they come from inattention or ignorance; our job is to make best practices second nature, not burdensome overhead.
Newcomers in plastics often ask why we push Di-N-Propyl Peroxydicarbonate above older or alternative initiators. From years working with formulators, the answer lies in how different peroxides break down. DPDC decomposes at a lower temperature range, providing tight control at typical vinyl chloride monomer (VCM) polymerization setpoints. Di-n-Propyl’s aliphatic structure means few problematic side-products, unlike diisopropyl or tertiary alkyl peroxides, which throw off more isopropanol or volatile fragments that haunt head space and work-up.
Whereas Diisopropyl Peroxydicarbonate (DIPC) delivers similar oxygen yield, its volatility profile generates more pressure risk in large tankers. Benzoyl peroxide, a staple in acrylic sheets, leaves behind benzoic acid and stickier residues, complicating clean-up and purity standards. Using high-purity DPDC shortens purging periods, simplifies stripping volatile by-products, and fits stricter food-contact or medical-use resin standards. High-throughput processors juggling both PVC and specialty copolymers prefer DPDC for its broad compatibility and friendlier decomposition signature.
Our technicians cut their teeth calibrating every titration, oxygen value, and impurity trace. They test every drum with cold crystallization checks, sampling for color and clarity. The difference shows on the plant floor. We keep impurities well below one percent, drawing on decades of incremental improvements—adjustments in filtration, glass-lined reaction vessels, and air-free decanting. Journeymen plant operators pass on tips that never appear in textbooks: how subtle shifts in condenser temperature catch near-invisible peroxy fragment losses, how fresh silica packs save a batch from premature decomposition, and why immediate drum sealing adds weeks to shelf stability.
Few customers ever see that behind-the-scenes attention, but it filters to their end products. Customers producing transparent PVC medical tubing compare lots based on haze, clarity, and tensile strength. Each property traces back to the core initiator, and side-by-side tests with commercial blends often show the advantage of stripped-down, 100%-content DPDC. For formulators who demand reliability rather than superficial spec-sheet compliance, this history of accuracy matters more than a perfect certificate.
We do not just ship chemicals and walk away. Technical service means regular phone calls, plant audits, and troubleshooting sessions whenever a downstream process drifts. Over years of supporting polymer factories all over the world, we’ve seen how stray traces of water vapor during initiator addition create off-balance molecular weights or yellowing. Our team often troubleshoots not just the initiator dosing step, but upstream feed lines, drying ovens, and tank storage. Large customers with in-line oxygen probes sometimes invite us to monitor hot-spot reactor data or rework initiator feed schedules.
For resin manufacturers switching from diluted or aromatic peroxides, a period of retraining helps operators achieve full benefits from pure DPDC initiator. Our hands-on training spans from lab-bench test runs to full-scale reactor dosing, because understanding the peculiarities of peroxydicarbonates in action reduces avoidable process upsets and safer handling. Where customers need help benchmarking our DPDC against legacy initiators, our chemists support comparative polymer trials, reporting not just yield or viscosity trends but impurity profiles and performance in finished plastics.
Di-N-Propyl Peroxydicarbonate has proven essential for top-grade PVC and vinyl resin production. Suspension polymerization, in particular, gains from the balanced decomposition rate—DPDC provides active oxygen efficiently over the window required for fine-particle PVC with tight particle size control. Medical-grade films, transparent bottles, and precision coatings all benefit from initiator purity.
Acrylic resin copolymerization is another domain where DPDC helps set polymer chain lengths consistently, supporting scratch resistance and high light transmittance. In proprietary applications, especially those involving uncured resins for composites, the low residue and clear breakdown profile prevent unwanted catalyst carryover or hazing. Custom derivatives or blends almost never out-perform the straight, undiluted DPDC in keeping color and structural clarity where demanding applications require it.
We supply both medium-volume drum users and bulk consumers with the same uncompromising standard. Some opt for just-in-time shipments to keep usage in step with production; others manage cold storage to build safety stock. Our logistics operation is tuned for each approach, hedging against delays or supply chain interruptions without risking shelf-life limitations.
Our commitment to minimizing environmental impact shapes not only our process plant design but every lot that leaves our gates. All by-products, including peroxy off-gas and wash-down solutions, get neutralized in dedicated treatment trains. Long-term partners in the US, Europe, and Asia look for full compliance with REACH, TSCA, and other local chemical regulations—a bar we clear by insisting on traceability and independent verification.
We also report ongoing purity benchmarks to regulatory agencies, making transparent our process stability over time. Customers requiring special certifications, including ISO or food-contact suitability, receive copies of annual third-party audit summaries and process validations. DPDC’s lack of aromatic and phthalate residues simplifies both health and environmental hazard profiles—waste streams are easier to manage and present less risk of persistent organic pollutants compared to older peroxides.
Shipping regulations for organic peroxides grow more stringent every year. As a manufacturer rooted in this reality, we’ve transitioned to fully insulated and sensor-tagged containers, worked with logistics partners on IATA- and IMDG-compliant labeling, and recertified cold storage for each new transport rule. We view these changes not as regulatory burdens but as critical for partner safety throughout supply and usage cycles.
Many resin and coating manufacturers run bespoke pilot lines or development programs for new plastics. Early access to pure Di-N-Propyl Peroxydicarbonate has supported groundbreaking advances, from lower-emissions vinyl compounds to new medical device materials that demand zero contamination. Our R&D team works hand-in-hand with customer engineers, adjusting delivery form, providing sub-aliquots for microreactor set-ups, and retrospectively tracking batch data to identify minute process variables.
Some of the most rewarding work we’ve seen involves open collaboration—sharing lessons, near-misses, and new ideas with customers. More than once, a customer insight into dosing precision or temperature ramping has led to us revising internal SOPs and tightening content-assurance steps for the next production run. The best partnerships grow from two-way transparency and honest evaluation—a value our company keeps at every level, from R&D up to executive decision-making.
Markets change, regulations evolve, and customer requirements never stand still. Our ongoing investment in plant upgrades, fresh analytical equipment, and workforce training reflects an understanding of what sustained excellence in peroxide manufacturing demands. Recent years have brought tighter impurity specifications from major PVC and acrylic buyers; our testing protocols now include broader impurity panels, GC-MS screens for rare breakdown products, and stability tracking over the full product lifecycle.
Traceability, which years ago meant only a batch log, today covers every kilogram from raw-material receipt through reactor charge to final drum fill. Barcoded tracking, electronic data logs, and customer-accessible batch histories make sure process deviations cannot slip by unnoticed. We keep pushing for lower detection limits, quicker sampling, and more responsive technical support.
One challenge we see is the balance between maximizing shelf life and minimizing shipping risks. Pure DPDC, without phlegmatizers, has shorter out-of-cold-chain stability. Building real cold storage at customer facilities is one step; we also supply thermal monitors—simple USB taggers—so users can verify temperature journeys. For some, the solution lies in on-demand delivery, with just-in-time production tailored to avoid long-term warehouse sitting.
Another challenge appears in polymer lines running older dosing technology, sometimes leading to over- or under-initiation, with effects visible only after hours or final curing. We advocate periodic calibration and provide sample check routines, so operators always trust dosing accuracy. Where customers seek to maximize throughput, we run side-by-side kinetic studies, suggesting optimal addition points and time-temperature profiles calibrated to their actual reactor specs rather than theoretical numbers.
Waste minimization in peroxide use is also trending. By tuning initiator purity and decomposition profiles, our DPDC enables lower overall dosing for the same conversion rates. That means less unconverted peroxide, easier stripping in downstream steps, and less left-over residue for wastewater teams to handle. Customers shifting from older, more contaminated peroxides often report measurable reductions in VOC emissions and solid waste on plant audits.
Sourcing Di-N-Propyl Peroxydicarbonate directly from a manufacturer makes a difference you can measure. Our hands touch every liter, our processes drive every improvement, and our reputation travels with every drum shipped. Customers count on our experience, the rigor of our purity assurance, and our readiness to roll up sleeves on customer sites. In the end, what sets DPDC apart isn’t just a number on a label, but the ongoing dialogue between producer and user—a dialogue grounded in technical depth, honesty, and a willingness to solve real-world challenges together.
