|
HS Code |
287065 |
| Productname | Di-Sec-Butyl Peroxydicarbonate [Content ≤ 52%, Type B Diluent ≥ 48%] |
| Casnumber | 533-36-6 |
| Molecularformula | C10H18O6 |
| Molecularweight | 234.25 g/mol |
| Physicalstate | Liquid (when diluted with Type B Diluent) |
| Color | Colorless to pale yellow |
| Odor | Faint, pleasant |
| Density | Approximately 1.02 g/cm³ (at 20°C) |
| Solubility | Insoluble in water; soluble in organic solvents |
| Meltingpoint | -10°C to -20°C |
| Decompositiontemperature | Above 35°C |
| Storagetemperature | Below 0°C |
| Mainuse | Polymerization initiator |
| Stability | Sensitive to heat and contamination |
| Flashpoint | None (decomposes before ignition) |
As an accredited Di-Sec-Butyl Peroxydicarbonate [Content ≤ 52%, Type B Diluent ≥ 48%] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500g amber glass bottle, tightly sealed with a Teflon-lined cap; clear hazard labeling and chemical identification on durable, chemical-resistant exterior. |
| Shipping | Shipping of Di-Sec-Butyl Peroxydicarbonate [Content ≤ 52%, Type B Diluent ≥ 48%] must comply with UN 3104 regulations. It should be transported in approved, leak-proof containers, protected from heat, impact, and direct sunlight. Only trained personnel may handle shipping, ensuring temperature control and segregation from incompatible substances to prevent hazardous decomposition. |
| Storage | Di-Sec-Butyl Peroxydicarbonate (≤ 52%, Type B Diluent ≥ 48%) should be stored in a cool, well-ventilated, explosion-proof location away from heat, sparks, open flames, and direct sunlight. Use corrosion-resistant containers tightly sealed, and segregate from incompatible substances such as acids, bases, and reducing agents. Maintain temperatures as recommended by the manufacturer, and ensure proper labeling and access to safety equipment. |
Applications of Di-Sec-Butyl Peroxydicarbonate [Content ≤ 52%, Type B Diluent ≥ 48%] in Industrial ManufacturingDi-Sec-Butyl Peroxydicarbonate functions as a key free-radical initiator in several sectors involving polymer processing and specialty material synthesis. As an experienced raw material manufacturer, we serve industries with critical requirements on process control, purity, and compliance frameworks, applying this initiator within tightly regulated operational environments. Below, we detail several downstream fields that integrate this compound for consistent, scale-up performance and final product stability. 1. Suspension Polymerization of Polyvinyl Chloride (PVC)Major PVC resin plants select this peroxydicarbonate as an initiator for suspension polymerization. It helps control molecular weight distribution during low-temperature polymerization, enabling consistent resin properties for downstream compounding and extrusion. Dosage and addition timing undergo precise calibration based on monomer type, target polymerization temperature, and required resin K-value, maintaining batch-to-batch reproducibility. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Bulk Polymerization of Acrylic ResinsIn bulk or solution processes for acrylics (notably polymethyl methacrylate, PMMA), this initiator supports low-temperature, uniform initiation, minimizing side reactions and residual monomers. Manufacturers carefully stage the addition in multi-zone reactors to determine chain length, optical clarity, and surface finish of the final resin, supporting requirements for optical and coating grades. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Copolymer Production for Emulsion PolymersProducers of specialty emulsion polymers use this peroxydicarbonate as a room-temperature or low-temperature initiator, targeting latexes for advanced applications. Efficient initiation at controlled dosage results in narrow particle size distributions suited for high-performance paints, adhesives, and nonwoven binders, particularly where color stability and mechanical strength must be guaranteed throughout field application. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Thermoset Resin Curing Systems for Unsaturated PolyestersComposite manufacturers employ this material as a controlled-activity initiator in curing systems for unsaturated polyester resin (UPR) and vinyl ester compositions. The precisely defined half-life and low decomposition temperature make it suitable for bulk and molded part production, especially in applications demanding consistent curing profiles, surface finish, and dimensional stability. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Microcapsule and Controlled Release ApplicationsChemical and pharmaceutical intermediate suppliers rely on this initiator for free radical polymerization in microencapsulation processes. Low-temperature activity supports stable shell formation without compromising the characteristics of heat-sensitive core actives, benefiting agrochemical, cosmetic, and pharmaceutical delivery systems where payload integrity is crucial. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
|
Competitive Di-Sec-Butyl Peroxydicarbonate [Content ≤ 52%, Type B Diluent ≥ 48%] 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
Flexible payment, competitive price, premium service - Inquire now!
Every time we walk through the plant, these tall reactors speak to decades of evolution in organic peroxide technology. Among the products we’ve developed, Di-Sec-Butyl Peroxydicarbonate with its specific dilution and stabilization stands out for a reason—it keeps pace with what polymer chemists demand while respecting our own production and safety lessons learned over many years on the line. Our model, which meets a maximum active content of 52 percent paired with no less than 48 percent of a Type B safe carrier, reflects that balance of reactivity and handling that we rarely see in copycat grades circulating around the market.
This peroxide is not something we just decided to blend and pack. We selected each raw feed material based on regular batch consistency audits. We focus on achieving a stable product that matches the narrow window required by modern continuous and batch polymerization units. End-users in acrylic monomer and polyvinyl chloride producers usually have little patience for inconsistent free radical sources. The practitioners we talk with on customer visits mention equipment fouling, variable molecular weights, or coloration problems that all link back to how peroxides break down and initiate. Our team takes that seriously. Each charger, filter station, and drum we send out holds a result of that focus.
A few people confuse “peroxydicarbonates” as interchangeable. Anyone who has cleaned a clogged feed line knows you do not judge a peroxide by name alone. Di-Sec-Butyl, in this setup, brings a reliable half-life at moderate polymerization temperatures—far different from compounds that force operators to chase reactivity with process adjustments. The ≤52% specification for active ingredient achieves the right level of free radical availability for even, reproducible initiation. Living through a summer expansion at our shop, we saw what happens when peroxides run over or under spec—the resulting off-grade resin never reaches the customer, eating up tank space, time, and morale.
We stick close to formulation controls for this product. Batch records and in-process checks track each blend, with real-time adjustment if we detect drift. Type B diluent runs above 48% for a reason: the higher content keeps the active peroxide cooled, spread out, and less prone to runaway decomposition—safety and stable performance walk hand-in-hand. Entry-level blends with plain mineral oil, or those using less consistent carriers, introduce risk we prefer to keep out of our plant and yours.
We have lived through requests for concentrated forms in the past. Higher actives may sound appealing for logistics, but the trade-off features a jumble of shelf instability, increased sensitivity to temperature swings, and transport headaches. We lean toward controlled potency, giving process engineers the confidence to plan initiator feed rates without surprises.
Our process engineers and batch operators are quick to tell stories about unexpected hiccups: material that looks clean on a lab balance but morphs days later; residual moisture prompting decomposition; one lot that traveled hundreds of kilometers during a heatwave. We design this grade with a built-in margin for the day-to-day realities our customers and staff actually see. It’s not about marketing something “safer” in theoretical language—it’s about knowing that storage rooms in production sites rarely get textbook temperature control and that containers often experience some handling stress.
Years back, before we standardized our control systems, we saw a higher frequency of process upsets. Lumps or phase separation could appear in finished product drums—costly setbacks when they had to be reworked or scrapped. Today, we keep a rigorous blending and QA program, verifying that the ratio of active compound to diluent sits in a target window that research and field testing confirmed. Before shipping, we monitor not just assay but viscosity, visual clarity, and thermal stability, so plant operators have the benefit of lessons learned through trial, error, and system upgrades over a long manufacturing history.
Our Di-Sec-Butyl Peroxydicarbonate goes into jobs where reactivity profiles and predictable decomposition matter most. Think continuous PVC plants or acrylic casting lines—anywhere a lost hour represents a week of backlog. We see the impact of obscure differences in products firsthand. Slight variations in initiator quality shift the heat profile inside reactors, sometimes enough to nudge molecular mass of the finished resin up or down. The repercussions can hit everything from extrusion yield to end-use product appearance.
Laboratory simulations tell part of the story, but our feedback loop relies on what user plant managers actually report after months on stream. We learned to respect small differences in stabilizer package or carrier blend. At one facility, a switch to a competitor’s high-concentration product introduced foaming and color drift; at another, batch-to-batch viscosity fluctuation demanded mid-shift process changes that nobody appreciated. Our formula responds with consistent decomposition rates under recommended conditions, with Type B diluent maintaining manageable flow and improved miscibility in typical monomer mixes.
We have always kept abreast of evolving safety codes and environmental expectations for organic peroxides. Di-Sec-Butyl Peroxydicarbonate with this balance of active and stabilizer meets regulatory labeling and transport requirements for oxidizers within a certain risk group. Production cycles routinely include environmental monitoring, because local regulations restrict emissions and mandate waste minimization for all byproducts. We devote considerable resources to in-plant exhaust capture and waste neutralization. Diluent selection ties back into our commitment to both product function and minimized environmental liability.
Our client base increasingly expects not just data sheets, but supporting information on compliant handling, disposal, and emergency response. We supply product backed by our reporting on shelf behavior, spillage protocols, and process ventilation recommendations. After living through an era plagued with poorly documented chemical cargoes, we take pains to ensure traceability and compliance documentation trails that stand up to third-party audits.
Problems do crop up, and we deal with them by incorporating feedback into our next batch. A major customer once documented a resin haze problem traced back to interaction with trace impurities in a previous grade. Our formulation went through weeks of review, with process analytical technology upgrades added—more robust online sensors, improved lot tracking. Operators and technical teams still meet regularly to walk back through any non-conformance event.
This has shaped how we communicate application details beyond the minimum—many polymerization shops tell us they rarely have time to dig through fine print. We offer clear application support. Our trials and test data reflect actual customer conditions rather than idealized figures. For continuous-feed reactors, we provide target dosing ranges based on observed plant performance, minimizing variability and reducing off-spec piles at the packaging stage.
The continuous analysis of product in the plant includes thermal decomposition, shelf life in various climates, and experiment-driven modifications to packaging that keep containers safe during handling and transit. We revise labeling, drum markings, and batch tracking formats as more customers insist on lot-level traceability.
Year after year, we see confusion in the field regarding names, purities, and stabilizer choices across the peroxydicarbonate family. This specific grade, formulated and blended in our reactors, nails consistent performance for those needing medium-temperature free radical release. Compared to straight mineral oil-extended peroxydicarbonates, Type B diluent provides far less odor and mitigates agglomeration risk, which means fewer feedline blockages or strainer changes for operators. There’s a clear distinction in both plant performance and environmental exposure numbers.
Some other products on offer from third parties may supply higher peroxide actives, but those versions risk more heat release events and show markedly shorter shelf life when actual warehouse climates are measured across seasons. Our blend intentionally contains a controlled active level to reduce end-user hazard potential while enabling long, stable process windows for those running at scale.
We tune the particle size distribution and residual solvent content within tight specs, based on the storage and feed requirements communicated by our industrial users. Alternative peroxydicarbonate grades often forego this level of in-process adjustment. With this grade, we target ease of handling and feeding, especially where automated initiator dosing is used, ensuring less downtime and quick system flushing between runs.
The largest learning leaps in product development have come through close customer partnership. Early years saw far more trial and error—emergency site visits, troubleshooting phone calls in the middle of shifts, and unplanned resin disposal. We adapt the product following direct feedback: improved pourability guided changes to diluent composition; reports from shipping containers in hot climates prompted reinforced packaging and adjusted QA temperature thresholds.
End users sometimes ask about minor tweaks: perhaps a tighter viscosity window or a custom stabilizer blend. These dialogues have set the path for most improvements across our portfolio. As a result, the process never stands still—our Di-Sec-Butyl Peroxydicarbonate continues to evolve to answer genuine pain points discovered by polymer plants, not theoretical concerns.
Emerging green chemistry trends and operational safety priorities push us to keep questioning if we can make this product even better—more consistent, lower in volatile byproducts, friendlier to new-generation process equipment. We invest in catalyst R&D and bench scale reactor trials simulating unusual operational stress. Pressure from downstream users—whether it’s food packaging compliance or emissions audits—drives us to keep tuning the balance of performance and safety.
On-site product support, scheduled audits, and real-life troubleshooting direct our efforts as much as internal targets do. The iterations we perform—whether minor tweaks in propellant content or revised handling guidelines—reflect lessons shared across hundreds of operator conversations. Extreme temperature incidents, trending regulatory updates, and rapid changes in industrial purchasing requirements all enter our R&D notebooks. Our ability to deliver product improvements rests on keeping the dialogue flowing and staying grounded in what manufacturing teams actually need from their initiator—consistency, reliability, and straightforward application support, no matter the site or shift.
With years at the reactors, seeing product make its way from tank to tank, we understand that Di-Sec-Butyl Peroxydicarbonate’s impact is measured in more than specification sheets and compliance certificates. It matters most at the production lines where a stalled feed or variable reactivity can turn profitability upside down. Each decision in formulation, blending, packaging, and service comes back to those lessons learned on the floor and in the field.
We continue to refine this product for the people who run the plants and troubleshoot polymer lines every day, helping projects run smoother while managing genuine safety and regulatory pressures. As we adapt to industry shifts and technology changes, we rely on direct customer engagement and honest conversations, believing that the best solutions arise from facing challenges head-on, not from abstract promises. Di-Sec-Butyl Peroxydicarbonate, in this grade and format, represents years of incremental gains earned by looking closely at both process demands and real-world use.