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Di-Tert-Butyl Peroxide [52% < Content ≤100%]

    • Product Name Di-Tert-Butyl Peroxide [52% < Content ≤100%]
    • Alias DTBP
    • Einecs 201-274-7
    • 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

    274539

    CAS Number 110-05-4
    Molecular Formula C8H18O2
    Molecular Weight 146.23 g/mol
    Physical State Liquid
    Color Colorless
    Odor Characteristic, ether-like
    Purity Range 52% < Content ≤ 100%
    Boiling Point 111-112 °C
    Melting Point -40 °C
    Density 0.792 g/cm3 at 20 °C
    Solubility in Water Insoluble
    Flash Point 15 °C (Closed cup)
    Vapor Pressure 27 hPa at 20 °C
    Autoignition Temperature 210 °C
    UN Number UN 3101

    As an accredited Di-Tert-Butyl Peroxide [52% < Content ≤100%] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Di-Tert-Butyl Peroxide is supplied in a 500 mL amber glass bottle, sealed, with precautionary hazard labeling, for safe laboratory use.
    Shipping Di-Tert-Butyl Peroxide [52% < Content ≤ 100%] must be shipped as a hazardous material in compliance with international regulations. It requires secure, tightly sealed containers, temperature-controlled transport, and clear labeling as an organic peroxide. Keep away from heat sources, direct sunlight, and incompatible substances during transit. Specialized carrier services are recommended.
    Storage Di-Tert-Butyl Peroxide [52% < Content ≤100%] should be stored in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and incompatible materials such as reducing agents, acids, and combustibles. Keep container tightly closed and in an upright position. Use only approved containers resistant to peroxide activity. Avoid shock, friction, and contamination to reduce the risk of fire or explosion.
    Application of Di-Tert-Butyl Peroxide [52% < Content ≤100%]

    Applications of Di-Tert-Butyl Peroxide [52% < Content ≤100%] in Industrial Manufacturing

    Di-Tert-Butyl Peroxide at high concentration serves critical roles in diverse sectors where high-temperature initiated free-radical reactions drive modern industrial value chains. As a primary manufacturer, we support downstream producers with stable, specification-matched supplies for demanding processes that require strict compliance, technical control, and repeatable results.

    1. Polyethylene and Polypropylene Polymerization Initiator

    Di-Tert-Butyl Peroxide acts as a free radical initiator in the melt-phase polymerization of low-density polyethylene (LDPE), high-density polyethylene (HDPE), and polypropylene (PP). Major petrochemical producers apply this initiator for tailored molecular architectures, adjusting melt index and mechanical strength for final polymer resins. Reaction control depends on precise dosing and temperature schedules, under pressurized conditions, driving high-volume, high-purity resin output for film, blow molding, and pipe applications.

    Industry compliance standards

    • ISO 1872-1:2009 (Polyethylene molding and extrusion materials)
    • ASTM D4976 (Standard Specification for Polyethylene Plastics Molding and Extrusion Materials)
    • REACH Regulation (EC 1907/2006) Annex XVII restrictions
    • 21 CFR 177.1520 (FDA Polyolefins, food contact)

    Typical usage ratio

    • 0.015–0.10% by polymer weight, adjusted for desired melt flow and chain scission targets

    Downstream process integration

    • Injected directly to polymer melt phase; reactor feed blended before reaching the optimum radical generation temperature (typically 170–220°C)

    Final product types

    • LDPE films (packaging, agricultural use)
    • HDPE pipes and blow-molded bottles
    • Random and impact polypropylene copolymer resins
    • PVC copolymers (secondary application for grafting)

    2. Crosslinking Agent in Polyolefin Cable Compound Manufacturing

    Wire and cable compound producers rely on Di-Tert-Butyl Peroxide as a crosslinking catalyst in the formulation of crosslinked polyethylene (XLPE) and ethylene vinyl acetate (EVA) cable insulation. The chemical initiates radical crosslinking at elevated extrusion temperatures, forming thermoset network structures that provide insulation stability, enhanced physical properties, and electrical resistance in power cable sheathing and automotive wiring.

    Industry compliance standards

    • IEC 60502-1 (Power cables with extruded insulation)
    • UL 44 (Thermoset insulated wires and cables)
    • RoHS 2011/65/EU Directive
    • EN 60811 (Electric cables—Common test methods)

    Typical usage ratio

    • 0.5–2.0 parts per hundred resin (phr), according to desired crosslink density and processing time

    Downstream process integration

    • Compounded with base resin and additives; dosing in Banbury mixer or co-rotating twin-screw extruder ahead of extrusion and continuous vulcanization (CV) tube curing

    Final product types

    • XLPE-insulated power cables (low, medium, high voltage)
    • Automotive wire and cable insulation
    • EVA sheathing for specialty electronic harnesses
    • Heat-resistant cable jackets

    3. Vulcanization Accelerator in Rubber Compounding

    Rubber goods manufacturers use Di-Tert-Butyl Peroxide for peroxide vulcanization of elastomeric compounds, particularly where resistance to heat aging, compression set performance, and non-sulfur crosslinks are required. This agent is essential in the molding and extrusion of rubber parts for automotive, industrial, and specialty applications, enabling consistent cure systems for silicone, EPDM, and fluoroelastomer formulations.

    Industry compliance standards

    • ASTM D2000 (Standard Classification System for Rubber Products)
    • ISO 13226 (Rubber—Curemeters—Determination of cure characteristics)
    • FDA 21 CFR 177.2600 (Rubber articles for repeated use, for food-contact elastomers)
    • SAE J200 (Automotive elastomer specifications)

    Typical usage ratio

    • 0.5–2.5% by total rubber formulation mass; adjusted by polymer type and desired cure rate

    Downstream process integration

    • Added with filler and plasticizers during masterbatch mixing; introduced prior to calendering, extrusion, or compression/injection molding press cure

    Final product types

    • Automotive hoses (coolant, fuel-line, turbocharger)
    • Electrical insulation gaskets and O-rings
    • Roller covers and vibration-damping elements
    • High-modulus silicone seals

    4. Modification Agent for Polyolefin Grafting in Compatibilizer Production

    Manufacturers producing maleic-anhydride grafted polyolefins—for use as compatibilizers in polymer blends or as adhesion promoters—depend on Di-Tert-Butyl Peroxide as a radical generator. This peroxide initiates grafting reactions in twin-screw extruders, enabling functionalization of base polymers while controlling gel content and maintaining desired melt flow characteristics. Grafted output enhances adhesion in multi-layer films and coupling performance in filled thermoplastics.

    Industry compliance standards

    • ISO 1133 (Melt flow rate measurement of thermoplastics)
    • Chinese GB/T 19466.1 (Polymer resins—Determination of melt mass-flow rate)
    • REACH registration for functionalized polyolefins
    • RoHS 2011/65/EU where electronic applications apply

    Typical usage ratio

    • 0.05–0.2% by resin, co-fed with 0.5–2.5% maleic anhydride or other monomers

    Downstream process integration

    • Direct dosing to extruder feed zone with reactive monomer; radical formation and grafting proceed in melt under inert or low-oxygen conditions

    Final product types

    • Maleic anhydride grafted polypropylene (PP-g-MA)
    • Anhydride-functionalized polyethylene (PE-g-MA)
    • Compatibilizers for polyamide/polyolefin blends
    • Coupling agents for glass/mineral filled compounds

    5. Thermoset Resin Curing for Composite Manufacturing

    Composite and resin formulators in the field of unsaturated polyester, vinyl ester, and acrylic resins utilize Di-Tert-Butyl Peroxide as a curing agent for high-temperature profile molding. The peroxide provides controllable gel times and achieves high conversion for thermoset matrix systems. Manufacturers of automotive, marine, and pultruded composite profiles rely on accurate initiator metering to deliver dimensional stability, consistent hardness, and trackable cure profiles.

    Industry compliance standards

    • EN ISO 13706 (Pultruded profiles—Test methods)
    • ASTM D2583 (Hardness of reinforced plastics)
    • Chinese GB/T 6943 (Curing degree in unsaturated polyester resins)
    • REACH compliance for composite articles

    Typical usage ratio

    • 0.75–2.5% of resin mass; ratio varies with resin reactivity, mold temperature, and required gel time

    Downstream process integration

    • Incorporated into resin pre-mix or injected at in-line static mixers; activation occurs in closed molds or pultrusion dies typically above 130°C

    Final product types

    • Pultruded glass fiber profiles (structural beams, ladders)
    • Automotive body panels (SMC/BMC composite)
    • Chemical storage tanks (vinyl ester base)
    • Civil engineering composite platforms

    6. Chemical Intermediate in Organic Synthesis for Fine Chemicals

    Fine chemical manufacturers apply Di-Tert-Butyl Peroxide as a radical initiator in specific organic synthesis reactions, including oxidation, alkylation, and functionalization steps. Controlled peroxide decomposition supplies radicals for challenging C–C and C–O bond formation. Synthesis laboratories and large-scale API manufacturers benefit from its high thermal stability and predictable decomposition profile, ensuring reproducibility and reduced by-product formation in high-value intermediate output.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practices for APIs)
    • cGMP standards for pharma intermediates (21 CFR Parts 210 & 211)
    • ISO 9001 Quality Management System
    • REACH safety guidelines for chemical intermediates

    Typical usage ratio

    • 0.2–3.0% by substrate mass depending on substrate reactivity and batch/continuous synthesis design

    Downstream process integration

    • Metered to batch reactors or plug-flow tubular reactors; often added dropwise under inert gas, with exotherm and decomposition temperature closely monitored via process analytics

    Final product types

    • Alkylated aromatic building blocks
    • Pharmaceutical intermediates
    • Flavor and fragrance precursors
    • Specialty antioxidants and reagents
    Free Quote

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    Certification & Compliance
    More Introduction

    Di-Tert-Butyl Peroxide: Built by Experience, Made for Demand

    Getting to the Chemistry That Delivers

    A plant like ours doesn’t take shortcuts. Day in and day out, we see how precision changes everything. Take Di-Tert-Butyl Peroxide [52% < Content ≤100%], for example. This molecule isn’t some fancy add-on. In polymer plants, specialty labs, or curing applications, the right peroxide can decide if a process hums along or stops in its tracks. Our chemists, from those in the control room to those running pilot reactors, know the shape and feel of a batch that’s running right and one that’s not. That means we've built our processes on small but hard-earned lessons, and that depth shows up in the peroxide we produce.

    The Model We Trust, the Purity We Stand Behind

    We manufacture Di-Tert-Butyl Peroxide with content ranging from a reliable 52% through to a pure 100%. Each lot has its place, and we don’t believe in one-size-fits-all promises. Customers in the polymer field often want the highest active content to get faster, predictable cross-linking. Another sector wants a stable blend in the fifty-to-sixty percent zone for safer handling during transport and use. So instead of guessing at user needs, we work with engineers, chemists, and operators who have seen enough unexpected shutdowns to know why purity, storage stability, and consistent reactivity matter.

    Where and How Our Peroxide Works Hard

    In our line of work, usage isn’t just a box to tick. Most of the Di-Tert-Butyl Peroxide shipped from our facilities heads for polymer cross-linking, especially in the manufacture of polyethylene and ethylene-vinyl acetate-based materials. The free radicals generated by its breakdown help tie polymer chains, improving heat resistance and mechanical strength. It gives cable insulation materials the toughness that power grids bank on. In the rubber industries, formulators rely on it for vulcanization without drawing in the sulfur that often leads to unwanted byproducts or discoloration.

    Custom blends, designed in close feedback with end engineers and lab staff, take into account not just reactivity profiles but how materials age, how storage and shipment impact shelf life, and how the entire chain from production through to on-site deployment stays predictable. Many times, a customer brings us a challenge like flow inconsistencies or an unexpected variance in product properties. We’ve tweaked mixing speeds, improved homogenization techniques, and gone back to adjust our chelation practices at the raw material prep stage, just to keep the peroxide batch within strict quality targets.

    Safer Chemistry Starts on the Line

    You can’t talk about organic peroxides without talking safety. Operators here are trained in recognizing the signs of runaway exotherms. The storage areas undergo redundant climate controls and we monitor everything from drum pressure to monthly trend charts showing temperature excursions. Transport managers keep their eyes on shipment tracking, not just the paperwork. Customers who have handled lesser-quality materials report more off-gassing and difficult clean-up—our process control brings down those risks by focusing on the quality parameters that matter, not just the ones that look good on paper.

    Our peroxide doesn’t drift in composition from drum to drum. That’s not luck, that’s attention to detail and regular revalidation of process control points. There’s no room for wide batch variation, especially since regulatory and insurance auditors stop by for unannounced checks and ask for run history as a matter of course. Every operator knows the story of that one missed step five or six years ago, which turned into a weeks-long investigation and hundreds of kilograms needing to be reprocessed.

    The Real Difference Lies in the Process

    A lot of suppliers talk about Di-Tert-Butyl Peroxide generically. Some of our competitors source intermediates from traders, but we stick to internal synthesis with traceable raw material lots. This approach cuts down on the odd contaminants—residual acids, water traces, or metallic ions—that can shorten product shelf life or cause unexpected breakdowns. That’s not an abstract risk, either. The lab team keeps a close record of sample kinetics, and if decomposition rates start sliding outside tight limits, we call a full stop and rework those batches or dump them outright if they don’t measure up.

    Part of the difference comes from ongoing feedback with research teams. Not everything can be predicted at the bench scale. Now and then, a new application crops up—like additive manufacturing, which puts higher thermal stress on cured polymers. Sometimes that means changing the process at our end: adjusting initiator dosing rates, looking for cleaner separations, or even swapping out a filtration element. All this work may sound tedious, but it’s the kind of polish that keeps a specialty molecule from being just another commodity.

    What Makes Our Product Stand Out?

    Spec sheets only tell part of the story. We build our peroxide with the knowledge that lower-grade material affects everything downstream. Inferior lots won’t maintain consistent heat release or may even release gas at the wrong phase, creating bubbles or discoloration. Workers get frustrated, machines clog up, and schedules slip—not because of a visible defect, but because the chemistry wasn’t tight enough.

    Long-term stability marks another cornerstone. Polymer plants using continuous processes can’t stop every time an input changes. We run stability testing over extended time frames, replicating the shipping and storage situations customers actually experience. That’s meant tweaking the antioxidant blend or refining the drying procedure, learning from nitty-gritty feedback at every step of production.

    Environmental and Regulatory Pressures

    We know regulations aren’t just paperwork or something to be flexed around. Every material moving through our site leaves a footprint, and strict local and international standards shape what we do from sourcing to finished goods. Peroxides in particular draw the attention of environmental authorities because of fire and aquatic toxicity risks. Our continuous, closed-loop systems help us catch off-spec material early. Waste minimization and clean incineration mean the only thing leaving as waste is what can’t be used safely. There’s also push from downstream manufacturers—especially those exporting to North America and Europe—for guarantees on REACH registration or TSCA certification, plus clear, updated SDS documentation.

    Every regulatory compliance audit brings lessons—like investing in early warning sensors, or reworking a process to limit solvent carry-over. These investments don’t happen overnight, but failing to make them costs more in the long run. A customer losing a production day because of a shipment hold brings that home clearer than any fine or inspection report.

    Product Consistency and Customer Collaboration

    We’ve learned the pitfalls of one-way product development. Over the years, it’s become clear: chemists, operators, and commercial leads need to talk early and often or quality slips. Many of our best improvements came from shop floor insights—like changing packaging types to limit drum fouling, observing transit-side temperature swings, or adjusting detection limits on critical impurities.

    Feedback means more than just fixing problems. By tracing usage cycles and listening to plant teams, we’ve found new ways to stabilize content, reduce residue formation after use, and limit exposure risks for everyone on the line. Our peroxide finds its way into projects that range from massive cable extrusion lines to small-batch molders who swear by it for making flexible yet durable end products.

    Comparing with Other Organic Peroxides

    Across our site, we don't treat all peroxides as interchangeable. Di-Tert-Butyl Peroxide stands apart thanks to its balance of active oxygen content, liquid phase at ambient conditions, and relatively high decomposition temperature. This lets users run hotter polymerizations or curing steps without early kick-off or runaway overheating. In contrast, peroxides like benzoyl peroxide break down much sooner, limiting their usefulness in high-temperature processing or in thicker cross-sections where heat transfer lags.

    Some applications call for even sharper control, so our team keeps a full line of alternatives—some less energetic but more forgiving, others more potent but with tighter handling constraints. We’ve seen customers switch between them for reasons as simple as equipment retrofits or as complex as regulatory changes in allowable residuals. No matter the switch, the team stands ready to adjust blend formulations, update delivery methods, or work out special compatibility runs to help plants adapt without lengthy qualification cycles.

    What Experience Brings: Real-World Problem Solving

    Our operation doesn’t just churn out drums and pails—we’re called on to help customers sort out issues upstream and downstream from peroxide addition. Let’s say a plant runs into incomplete crosslinking. Immediately, our technical crew digs into the order file, checks retained samples, and re-examines process logs from that batch’s production date. If a chemical fingerprint shows a shift, we dig all the way back to raw incoming lots, not just our own process parameters.

    In one recent case, a small deviation in pressure control on a Friday night resulted in a detectable flavor note in a customer’s product. Only sharp-eyed plant staff caught it; we ended up re-testing and adjusting filtration media and ramping up spot checks. These moments rarely reach outsiders, but they shape how we approach every new order.

    Continuous Improvement, Day After Day

    Our focus on Di-Tert-Butyl Peroxide is built on routine, not just innovation. Regular retraining keeps operators on point and helps tighten process windows. In a world where supply chains get disrupted by weather, political tension, and shifting demand, being the actual producer—owning the chemistry from start to finish—gives our customers the security they depend on. Every person from raw material staff to R&D is accountable. Every system upgrade or certification push comes from a real need—not just checking boxes, but solving the issues that, over the years, caused headaches for both us and our customers.

    Years of fine-tuning purification, handling, and reaction conditions mean when someone requests an unusual peroxide content or packaging tweak, we don’t need to reinvent the wheel. Cross-department teams have already solved similar puzzles, from changing over to lined drums for solvent-sensitive sites, to adapting dosing recommendations for new extrusion lines. This resilience means less downtime, less stress, and cleaner results for everyone depending on the chemistry.

    Future Outlook and Challenges Ahead

    Looking at the pressures from environmental responsibility, plant safety, and global market volatility, it’s clear we can’t stand still. We keep investing in energy-efficient production, cleaner feedstocks, and more transparent compliance. The specialty peroxide market may not always get headlines, but without reliable molecules, modern materials simply don’t make the grade. As product requirements change and applications move into new territory—like advanced composites or high-performance elastomers—the demands on quality, traceability, and adaptability only increase.

    Challenges never disappear entirely. Scheduling conflicts with raw material deliveries, new fire safety mandates, or heightened export documentation can push resources to the limit. We’ve learned to lean into those headaches, forming direct lines of communication with regulators, shippers, and our customers alike. The lessons learned from decades on the floor—watching production runs, solving plant snags, watching small deviations snowball if left unaddressed—keep us sharp. That’s why we see Di-Tert-Butyl Peroxide not just as a commodity, but as a reflection of everything we’ve built as a team and everything our customers expect to achieve with it.

    Built for Today, Ready for Tomorrow

    Every batch, every year, the work circles back to the same truths: quality can’t be assumed, and nothing outpaces experience. That’s what makes our approach different. For us, Di-Tert-Butyl Peroxide isn’t simply another sale. It stands for something more: reliability, measured chemistry, and a partnership forged over time with those whose own business depends on every drop working exactly as it should.