Wusu, Tacheng Prefecture, Xinjiang, China admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:



Shedding Light on 2,5-Dimethyl-2,5-Bis(Benzoylperoxy)Hexane: A Grounded Look at a Polymers Industry Mainstay

A Walk Through the History

In the landscape of industrial chemicals, 2,5-Dimethyl-2,5-Bis(Benzoylperoxy)Hexane marks its presence thanks to its long-standing relationship with the plastics and rubber sectors. Many in the field recall how the pursuit of efficient crosslinking agents and polymerization initiators—especially during the rapid expansion of plastic manufacturing in the 20th century—turned attention toward peroxides. Chemists, including those in my own training, learned to respect organic peroxides for both their potential and their hazards. In time, the development of stable, manageable forms led to higher safety standards and consistent production processes. This particular peroxide settled into its niche after researchers found its reactivity could be tamed with water, paving the way for products with water content above 18%, a milestone in both process safety and performance control.

Product Overview in Practical Terms

2,5-Dimethyl-2,5-Bis(Benzoylperoxy)Hexane isn’t a household name, yet in the polymer world, it’s recognized for its role in starting those chain reactions that turn monomers into tough, resistant plastics and rubbers. It helps set the backbone structure and mechanical properties that end-users—like some of us snapping open a new electrical cable—may take for granted. In my years of visiting plants and seeing the stuff in storage, it’s always a bit of a paradox: vital to toughness and stability of end-products, yet containing enough energy in its chemical bonds to make you handle it with the utmost care.

Physical & Chemical Properties: Why They Matter

To the untrained eye, describing 2,5-Dimethyl-2,5-Bis(Benzoylperoxy)Hexane as a white, crumbly solid doesn’t say much. Yet, chemists recognize traits like decomposition temperature and solubility as make-or-break properties for any peroxide. This compound, with a water content above 18%, changes its sensitivity to mechanical shock and friction—key for both safety and processing. Content below 82% signals a blend, not a pure feedstock, an intentional dilution that addresses the risk of violent runaway reactions. From attending safety briefings to chatting with engineers about storage, the reality of managing this chemistry revolves around respect for its stability envelope: wrong temperature, wrong container, and you’re looking at trouble.

No Nonsense: Technical Labels and Real-World Prep

On a shelf or in a drum, you’ll often spot this chemical referenced by synonyms or abbreviations that echo its mouthful of a chemical name. Workers see clear content marks and hazard indicators—no fancy branding, just plain warnings and technical content. Making batches of this peroxide for industry requires solid know-how. Manufacturers use controlled reaction steps, careful temperature monitoring, and staged addition of reagents, then brine washes and stabilization with water to meet the standard content and water thresholds. Any slip in protocol can impact yield, purity, and most important, safety. In classrooms and labs, instructors underline the responsibility resting on every technician’s shoulders.

Chemical Reactions and Real Modifications

Calling it a “starter” for polymerization doesn’t do justice to the trickiness involved in choosing it over a dozen other peroxides. This molecule serves up benzoyloxy radicals under the right conditions, giving manufacturers the ability to fine-tune how polymers grow, link, and eventually crosslink into branched or networked structures. Over the years, research has gone into tweaking its reaction profile—sometimes pairing it with co-initiators, sometimes tailoring blend ratios—to suit the evolving demands of high-performance plastics. I’ve seen R&D labs tinker for months before landing on the sweet spot between gel time and final strength.

From Synonyms to Sector Use

Ask a polymer scientist about 2,5-Dimethyl-2,5-Bis(Benzoylperoxy)Hexane and you’ll hear a parade of other names, often tracing back to old research journals or suppliers’ catalogues. Names like BPO-Hexane Peroxide or Hexane Di(peroxybenzoate) might float through technical meetings. No matter the label, the conversation usually circles back to practical topics: handling, compatibility with resins, and the never-ending drive for safer, more effective additives. For many, the payoff comes when a wire insulation line runs without a hiccup or when new foam cores resist compression over thousands of cycles in a lab test.

Safety and Standards in the Hands-On World

Anyone who’s worked around peroxides knows the tension between utility and hazard. Strict storage requirements—cool, dry places, isolation from contaminants—turn up in every training manual for good reason. Industry standards demand more than signs and paperwork. Regular inspections, emergency planning, and updated handling protocols keep both product and personnel intact. It’s common to see area engineers and operators run through drills, examining what-if scenarios for spills, leaks, or fires, because real accidents have taught tough lessons in both pain and litigation. Staying up to date with changing safety regulations, from OSHA guidelines to REACH regulation updates in Europe, has turned into a rolling responsibility for manufacturers and users alike.

Where It Winds Up: Application Areas

Walk through most cable sheathing operations or producers of crosslinked polyethylene pipes, and 2,5-Dimethyl-2,5-Bis(Benzoylperoxy)Hexane often comes up in maintenance meetings and purchase orders. Its influence stretches from tire rubber to specialty foams, thanks to consistent performance in high-temperature curing and resistance boosting. Seeing how a specific peroxide migrates from the lab bench into millions of kilometers of polymer pipeline always reminds me that industrial chemistry isn’t a theoretical exercise—it touches everyday infrastructure in visible and subtle ways.

Digging Deeper: Research and Toxicity

Research into peroxides tends to split into two themes: pushing performance boundaries and understanding health risks. Toxicity studies on this class of compounds show that like many organic peroxides, there’s a genuine danger, especially from inhalation or skin contact in concentrated forms. Chronic exposures have been linked to respiratory and dermal reactions. Safety data sheets detail personal precaution requirements, ranging from gloves and goggles to controlled airflow in handling areas. Over the last decade, manufacturers have focused on better labeling, upgraded personal protective equipment, and engineered storage systems that help limit exposure. In scientific publishing, a steady trickle of new data refines what’s known about occupational safety for those who handle the material in bulk.

What’s Next: Looking Ahead

The way forward for 2,5-Dimethyl-2,5-Bis(Benzoylperoxy)Hexane follows familiar trends in industrial chemistry. Demand rises as infrastructure and electronics continue relying on crosslinked polymers for durability. Interest in safer, more environmentally friendly peroxide blends pushes research toward greater stability and lower toxicity. As regulatory bodies tighten green-chemistry requirements, suppliers and formulators look at biobased co-initiators and less hazardous stabilizers, building on decades of incremental improvements. Having worked with both legacy and next-generation developers, I’ve seen that no game-changer comes overnight—progress walks a slow road through pilot lines, scaled-up quality control, and feedback from end-users digging through real-world performance data. This only underscores how much patience and collaboration drive innovation in chemistry, making the future of specialized peroxides both challenging and promising.




What is 2,5-Dimethyl-2,5-Bis(Benzoylperoxy)Hexane [Content ≤82%, Water ≥18%] used for?

How a Little-Known Chemical Steers Plastic Manufacturing

Few people outside the chemical manufacturing world ever run into the name 2,5-Dimethyl-2,5-Bis(Benzoylperoxy)Hexane. Yet, this compound does a lot of heavy lifting in places folks might not expect. Most commonly, you’ll find it in the business of making plastics. That includes polyethylene and polypropylene—stuff you see in packaging, wires, pipes, bottles, car parts and hundreds of everyday goods.

Why does this chemical matter so much for plastics? Its core role comes down to polymerization. Take polyethylene, for example. It starts life as a mess of smaller molecules—think of them as beads rolling around loose. To turn these into strong, durable chains, factories call on initiator chemicals to help get the reaction started. 2,5-Dimethyl-2,5-Bis(Benzoylperoxy)Hexane steps up as that starter. Its structure allows it to break apart at just the right temperature, generating radicals that get the chain reaction rolling.

Stability, Safety, and Usability

Folks in chemical plants don’t want a material that causes trouble before they’re ready for it. Here’s where water content comes in. Kept at 18% or higher, the material stays safer to handle—less likely to spark off a reaction during storage or shipping. With content at or below 82%, it delivers the efficiency needed in industrial processes but avoids turning too volatile for ordinary handling conditions.

Anyone who’s spent time with oxidizers knows accidents only take one small mistake. That experience shapes the industry’s approach. Employees suit up properly, application areas get ventilation, and chemical drums are handled with respect. After all, nobody wants a runaway reaction, which history shows can have deadly consequences.

Environmental Impact and Looking Ahead

Like many initiators, this chemical sparks debate about sustainability. Petrochemicals rely on non-renewable resources, and problems crop up once some plastics finish their jobs. They don’t always break down quickly. The initiators themselves sometimes leave behind traces, and research teams track where these residues eventually land, especially in water streams or soil.

Industry isn’t sitting on its hands. Engineers and chemists look for greener processes, including lower-impact initiators and techniques that cut waste. Efforts turn to recycling systems that don’t just melt down plastics but use chemical recycling to bring materials closer to their building blocks, so cleaner versions can be made again and again. Some labs push for bio-based alternatives, searching for compounds that handle polymerization without hanging environmental risks over our heads.

The Human Angle: Workers and Communities

For those inside a plant, job safety means more than just hard hats. They deal directly with the risks of chemical exposure, fire, and the challenge of keeping material from reacting at the wrong time. Good companies put strong training and transparent reporting systems in place. It takes community awareness too. Cities and towns near these facilities keep tabs on emergency response plans and hope for open lines of communication.

What Needs Work—and Possible Ways Forward

Everyone knows industry won’t shift overnight. Chemistry students today study both the benefits and the baggage of these materials. Part of the puzzle lies in redesigning products so they don’t just pile up after a single use. Regulation also nudges industry forward; tighter rules, paired with public pressure, push everyone to find cleaner routes.

From what I’ve seen, making real progress takes more than new laws or scientific breakthroughs. The folks figuring out how to keep these chemicals safe in their hands, the researchers wrestling with toxic byproducts, the companies betting on cleaner technology—each group pushes the needle. The next version of polymerization chemicals may come from a university lab, a scrappy startup, or from people who’ve spent their working lives surrounded by the hum and heat of production lines.

What are the safety precautions when handling this product?

Getting Right to Protective Gear

Walking into a workspace, whether it’s a factory, a garage, or your own kitchen, the word “safety” tends to bring up goggles, gloves, maybe even a face mask. This isn’t about checking boxes on a form—it’s about coming home with the same skin and eyes you started the day with. Chemistry sets in school made gloves seem optional, but some products today bring risks you actually feel. Skin burns, throat irritation, or even lasting lung trouble can come from just a few careless minutes. So, wrap those hands with nitrile gloves, shield your eyes, seal your nose and mouth with a well-fitted mask, and zip up a smock or long-sleeve shirt that keeps splashes far from sensitive skin.

Ventilation: Breathing Easy

Four walls and a roof can trap more than heat. Products with fumes or fine particles can turn a room into a hazard zone in no time. Years of working in old machine shops taught me: Open a window and set a fan in the right spot, and you keep those clouds moving in the right direction—out. Simple as that. Some folks trust fume hoods or even basic exhaust fans. That airflow means less risk of dizziness, headaches, or worse.

Storing Products with Common Sense

Leaving containers open or tucking a bottle under a sink sounds harmless. Down the road, those habits breed leaks, vapor build-up, or worse. I’ve seen accidental spills eat away at paint, warp flooring, and even spike indoor air sensors. Keep containers sealed, upright, and away from sunlight or heat sources. Place them on shelves designed for leaks: no wood, no risk of slow-absorbing spills. Flammable products? A steel cabinet with a locking door saves more than just supplies.

Avoiding Accidents Before They Start

Work slow. People tend to rush. Mix-ups or hasty pourings have caused more hospital trips than most realize. Labels fade or get covered in grime; it helps to scratch the name right onto the cap or place a tape strip with bold words. Never trust memory—one slip, and water turns out to be something far less forgiving. Dumping waste in any drain can line city pipes with disaster. Collect used product or paper towels in a marked container, ready for pick-up from a hazardous waste center.

Preparing for What Could Go Wrong

Keep an eyewash station or at least a spray bottle of clean water nearby. If fumes hit hard or skin starts tingling, rinse first, questions later. Emergency numbers and a quick-read copy of the product’s safety sheet belong within arm’s reach. I spent months volunteering at a local health clinic. Most chemical injuries took longer to treat because someone wasted precious seconds trying to Google what to do, instead of having instructions taped to the wall.

Wrapping Up: Lessons Learned by Experience

Working with anything caustic, sharp, or irritant, you see patterns. Protect skin and eyes every single time, keep air clear, double-check storage, move slow, and prepare for trouble. These steps won’t seem like much until something goes wrong—then you’ll be glad you took the time to set things up right.

How should 2,5-Dimethyl-2,5-Bis(Benzoylperoxy)Hexane be stored?

No Room for Guesswork: Safety and Common Sense

Sometimes, it’s easy to underestimate the potential risks a particular chemical brings into a workplace or storage space. It’s easy to slip into routine and forget to double-check the storage location, temperature, and handling. But 2,5-Dimethyl-2,5-Bis(Benzoylperoxy)Hexane (let’s call it DMBHPH for short) neither forgives inattention nor shrugs off missteps. As someone who’s spent a decade working alongside folks in polymer labs, I’ve learned that shortcuts may work for a while, but chemicals like DMBHPH have a way of catching up with those who ignore basic precautions.

Temperature Matters Most

This is a chemical that won’t tolerate a warm corner or a forgotten warehouse. DMBHPH breaks down when conditions tip out of its comfort zone, and once it does, the risks escalate quickly. Once, I visited a site where a single thermometer saved thousands of dollars in damaged stock for a supplier because someone noticed a temperature spike. Every lot of DMBHPH I’ve handled required cold storage—somewhere between 2-8°C. Below this range, reactivity and risks drop, and you avoid the chain reactions that can happen at room temperature.

Most importantly, DMBHPH belongs far away from direct sunlight, coils, or steam pipes. UV light breaks down its peroxy bonds over time, and heating does the rest. Reliable cold storage facilities come with alarms or visual checks. I recall a memory from a small plant where a secondary backup generator guarded the walk-in fridge, ensuring it stayed cold even during blackouts. Their insurance rates dropped after they gave the tour. That’s not a coincidence.

Keep It Dry and Isolated

Moisture sneaks into open containers. I’ve seen rust stains on the shelving and water on the floor signal a bigger problem than sloppy janitorial work: many peroxides, including DMBHPH, can get unstable in the presence of water. Corrosion is a sign that packing and surroundings need work. I prefer sealed, moisture-proof bins for DMBHPH, and a regular check for leaks or drips. Concrete floors? Fine, but throw down a spill tray for good measure.

Storing DMBHPH calls for isolation. Acids, bases, heavy metals, and reducing agents—these don’t belong in the same room. A few years back, a mixing error at another facility I heard about led to a costly evacuation, simply because incompatible chemicals landed in the same storage room.

Labeling and Routine Checks

A proper tag on a box or drum seems almost too simple to make a difference. Still, in a real emergency, clear labeling stops confusion. “Store in cold, dry location. Avoid contact with acids, bases, and heat sources.” Written instructions matter as much as the right containers. Make weekly inspections a habit, not a reaction to being six months overdue for compliance.

Training Brings It All Together

I’ve had the privilege to learn from old-timers and trainers who valued hands-on demo above any dry regulations. Every person who might touch, transport, or even clean near DMBHPH should learn to spot warning signs: odd smells, rising temperatures, or cracked containers. In one of my first gigs, our boss encouraged questions and ran pop quizzes during team meetings. Absorbing the rules made us more comfortable, which in turn kept us all safer. Textbooks teach the “what,” but the “why”—that sticks when training feels real.

Proactive Prevents Panic

No heroic fixes exist for poor chemical storage. DMBHPH doesn’t forgive a single slip in discipline or care. I’ve seen vigilance pay off, and neglect wind up costing far more than anyone quoted on a purchase order. Choosing responsibility and daily routine beats scrambling for damage control every single time.

What are the potential hazards and first aid measures for exposure?

Everyday Risks with Chemicals

Everyday products in workplaces and homes contain chemicals people don’t always notice. Cleaning agents, paints, solvents, and garden sprays can cause trouble fast if you aren’t ready. The average person might brush off those warning labels, but direct contact with certain substances leads to skin rashes, burns, breathing issues, and even long-term illness. News breaks about chemical spills and accidental releases remind us these problems go beyond the factory floor.

What Exposure Really Means

Problems can start by breathing in, swallowing, or just touching a substance. I’ve seen coworkers feel dizzy after cleaning strong machines without good airflow. A neighbor once forgot gloves while working in the garage, ended up with chemical burns that needed medical attention. It’s not rare. The CDC estimates over two million poison exposure cases get reported in the U.S. every year.

Hazards are sneaky. Some chemicals kick up fumes you can’t smell, leading to headaches or worse over time. Others damage tissue on contact. Some things, like ammonia and bleach, become particularly dangerous if accidentally mixed, releasing toxic gases that burn lungs and eyes. Up close, even everyday chemicals like drain openers can be as risky as industrial ones if spilled or splashed.

Spotting Trouble Early

People ignore minor stinging or coughing, figuring the feeling will pass. Stubbornness can make everything worse. Once, a friend worked through chest tightness during a home project, brushing it off as a nuisance—he landed in the ER. Signs like redness, blistering, burning eyes, trouble breathing, or confusion tell you immediate action matters. Delayed responses leave room for greater harm.

Simple First Aid That Makes a Real Difference

The most important step—get the person away from the source. For spills on skin or clothes, flush the area with water for at least fifteen minutes. Inhaling fumes calls for leaving the room or stepping outdoors fast, then loosening tight clothing for easier breathing. Don’t grab ointments, creams, or anything greasy, since these might seal the chemical in. For eye exposure, rinse eyes under gently running water, holding eyelids apart so water reaches everywhere. Don’t rub.

If someone swallows something, keep the container or label for the emergency crew. Avoid forcing vomiting unless poison control or a doctor says it’s the right move. It’s tempting to neutralize a chemical with its “opposite”—for instance, using vinegar on an alkaline burn—but that usually makes things worse.

Poison control hotlines (800-222-1222 for the U.S.) should be on speed dial. They pick up right away and guide people through steps before medical help arrives.

Preventing Exposure in the First Place

Open windows or use fans when using strong cleaners or paints. Protective gear matters—gloves, goggles, long sleeves—and costs less than a doctor visit. Store household products in labeled containers, out of reach from kids or pets. Mixing products may seem harmless when rushing through chores, but that split-second mistake can fill a room with toxic air. At work, pay attention to safety briefings and labels. Never get lazy about reading them.

In neighborhoods where factories or train tracks weave nearby, know shelter-in-place tips and local emergency contacts. Disaster can come to the quietest towns, and planning ahead beats panic. Quick action in the first few minutes shapes recovery for the better.

How is the product typically packaged and transported?

Looking at Packaging from the Ground Up

For years, I watched trucks arrive at shipping docks, brimming with pallets stacked high. Factory workers rushed, moving boxes from the line to these pallets, stretch-wrapping everything tight. I've seen workers check labels twice, scanning barcodes on containers. In many industries, especially food or chemicals, the way a product leaves the plant matters almost as much as what goes inside it.

In the world of consumer goods, most products leave the factory in either corrugated cardboard boxes or plastic containers. These boxes usually come printed with brand details, the product name, batch information, and handling instructions. Labels also include barcodes for tracking—important later if something ever goes wrong. During my time working with agricultural supply chains, I saw entire loads recalled because of a simple labeling error. One wrong digit and the whole supply chain slows to a crawl.

Keeping Products Safe and Fresh

In my experience, companies rely on proven packaging options—sometimes overkill, but always with a clear reason. Perishables like meat, dairy, or produce ride in insulated foam or waxed crates with gel packs. Shelf-stable food sticks to glass jars or metal cans sealed with tight lids. Pharmaceuticals use blister packs or dark glass bottles to protect against air and sunlight. Factories put extra effort into tamper-proof seals after a few infamous contamination scares years ago.

Electronics and delicate goods ride out in molded foam trays or air pillows inside sturdy cardboard boxes. No company wants to explain to a store manager why a pallet of tablets arrived busted up. The extra protection adds a bit of cost, but not as much as replacing broken stock.

Trucks, Containers, and the Human Element

Once boxed and labeled, products load onto pallets—easier for forklifts to move. Trucks back up to the dock, drivers watch as entire shipments slide inside. Most routes involve several stops, transferring goods from local trucks to giant shipping containers and, eventually, onto trains or ships. Often, I talked to drivers and warehouse workers who told me about tight deadlines, damaged goods, or surprises on the roadway. Rain leaks, bumpy rides, or careless loading mean trouble for weak packaging.

Smart companies spend time training staff on efficient stacking and tie-down methods, showing everyone that a broken package affects the entire shipment. Data from the Bureau of Transportation Statistics shows that freight losses from poor packaging and transport add up to billions each year. I’ve seen products damaged because a simple strap failed or a pallet sat in the wrong spot for a few hours.

Improving Resilience and Sustainability

Recently, more businesses look for ways to cut waste and boost recycling. I visited a plant last year where reusable plastic crates replaced single-use boxes. Workers cleaned and reused crates every cycle. Recycled materials help lower plastic use. Trends point to more biodegradable options, with plant-based films winding up in packaging for snacks and even frozen food.

Technology helps too. Real-time tracking and smart sensors cut theft and loss. Automated warehouses keep detailed records, making error tracking much easier. This sounds fancy, but down on the loading dock, it starts with clear labels, sturdy materials, and teamwork.

Practical Solutions

If you run a business or move products in bulk, spend time checking every stage of packaging and transport. Don't cut corners using generic boxes for fragile or perishable goods. Offer employees solid training on basic handling skills. Invest in high-quality labels, tamper-proof seals, and temperature monitoring for everything sensitive. Consider switching to recycled or reusable packaging for both savings and sustainability.

From what I've seen, the best solutions involve practical investment and care today—so shipments arrive safe, on time, and with less waste tomorrow.

2,5-Dimethyl-2,5-Bis(Benzoylperoxy)Hexane [Content ≤82%, Water ≥18%]
Names
Preferred IUPAC name 2,5-dimethyl-2,5-bis(benzoylperoxy)hexane
Other names Peroxide, bis(3,3,5-trimethylcyclohexyl) bis(benzoyl)
Hexane, 2,5-dimethyl-2,5-bis(benzoylperoxy)-
Bis(benzoyl peroxide) of 2,5-dimethylhexane
2,5-Dimethyl-2,5-bis(benzoylperoxy)hexane
Pronunciation /tuː,faɪ dʌɪˈmɛθəl tuː,faɪ bɪz ˌbɛnˈzɔɪlˈpɜːrˌɒksi ˈhɛks eɪn/
Identifiers
CAS Number ['1068-27-5']
Beilstein Reference 741220
ChEBI CHEBI:87763
ChEMBL CHEMBL4521196
ChemSpider 31867685
DrugBank DB14030
ECHA InfoCard 03f1c02d-ff29-4fa3-a943-59ef5aab86b5
EC Number 202-708-7
Gmelin Reference 2264023
KEGG C19548
MeSH D017943
PubChem CID 70410
RTECS number XN8225000
UNII 89S077XPX6
UN number UN3106
CompTox Dashboard (EPA) DTXSID1040957
Properties
Chemical formula C26H34O6
Molar mass 482.58 g/mol
Appearance White granular solid
Odor Pungent
Density 1.13 g/cm3
Solubility in water Insoluble
log P 4.53
Vapor pressure <0.01 hPa (20 °C)
Magnetic susceptibility (χ) -7.8e-6 cm³/mol
Refractive index (nD) 1.570
Viscosity 6.5 mPa·s (25°C)
Dipole moment 1.2118 D
Thermochemistry
Std molar entropy (S⦵298) 430 J·mol⁻¹·K⁻¹
Std enthalpy of formation (ΔfH⦵298) Std enthalpy of formation (ΔfH⦵298) = -852.7 kJ/mol
Std enthalpy of combustion (ΔcH⦵298) -10698 kJ/mol
Pharmacology
ATC code D01AE16
Hazards
Main hazards Heating may cause a fire; Causes serious eye irritation; May cause respiratory irritation.
GHS labelling GHS02, GHS07, GHS08, GHS09
Pictograms GHS02,GHS07,GHS05,GHS08
Signal word Danger
Hazard statements Hazard statements: H242, H302, H317, H319, H332, H335
Precautionary statements P210, P220, P234, P234+P410, P235, P240, P241, P261, P264, P270, P271, P273, P280, P302+P352, P305+P351+P338, P308+P313, P311, P321, P337+P313, P362+P364, P370+P378, P391, P403+P233, P403+P235, P410, P411, P420, P501
NFPA 704 (fire diamond) 2-3-1 OX
Flash point > 82 °C
Autoignition temperature 100°C (212°F)
Lethal dose or concentration LD50 oral rat: >5000 mg/kg
LD50 (median dose) LD50 (median dose): Rat (oral): >5000 mg/kg
REL (Recommended) REL: 5 mg/m³
IDLH (Immediate danger) Unknown
Related compounds
Related compounds Benzoyl peroxide
Di-tert-butyl peroxide
2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane
Cumene hydroperoxide
Methyl ethyl ketone peroxide
Dicumyl peroxide
Tert-butyl peroxybenzoate