2,5-Dimethyl-2,5-Bis(T-Butyl Peroxy) Hexane Enox 101: A Deep Dive
Historical Development
Chemicals like 2,5-Dimethyl-2,5-Bis(T-Butyl Peroxy) Hexane drifted into the industrial landscape in the mid-20th century, riding the wave of the fast-rising plastics industry. Manufacturers craved compounds that could trigger polymerization predictably and safely, and this molecule answered the call. The development of organic peroxides didn’t grow out of thin air; it built on advances in petroleum chemistry, refining, and the global hunger for lighter, tougher, and cheaper materials after WWII. Some of the early adoption stories revolved around tire manufacturing and flexible foam, where the need for controlled crosslinking and curing took center stage. Its entry into the market didn’t come easy, given the safety concerns and volatility, forcing chemists and engineers to create new handling, storage, and testing strategies beyond what tradition dictated. This compound stands as a witness to how research, industry pressure, and regulatory frameworks co-evolve.
Product Overview
2,5-Dimethyl-2,5-Bis(T-Butyl Peroxy) Hexane, often seen on labels as Enox 101 or DTBPH, falls under the broad umbrella of dialkyl peroxides. Its primary strength lies in its ability to serve as an initiator for a wide range of polymerization processes. You find its fingerprints in everything from polyethylene insulation to toughened elastomers used in everyday products. End users appreciate its particular energy release profile, which makes it ideal where uniform crosslinking means the difference between high-quality end products and brittle, short-lived materials. Distribution usually focuses on regions with thriving plastics, wires, and cables sectors, although demand often reflects changes in those industries. For me, growing up in a community with a plastics processing plant nearby, the chemical names on trucks sometimes blurred into the background until a major process change or new safety signage appeared; then the importance of molecules like this one stood out.
Physical & Chemical Properties
This compound presents as a clear or slightly yellowish liquid, stable under recommended storage conditions but sensitive to excessive heating or contamination. Boiling point hovers around 60°C at reduced pressure, which spells out why standard protocols treat it with such care. The molecular structure features two peroxide groups, contributing to its ability to initiate powerful radical reactions. Its solubility in most nonpolar organic solvents lines up with its role in polymers derived from hydrocarbon monomers. Density and viscosity figures matter in extrusion and molding plants, since every operator quickly learns that a miscalculation here can set off a chain of events — sometimes even literal alarms. The chemical’s vapor pressure underscores the need for well-ventilated storage and transfer spaces.
Technical Specifications & Labeling
Commercial containers come labeled with UN 3109, identifying the organic peroxide Type F, liquid. Suppliers specify assay typically exceeding 94 percent, with water content, acidity, and impurities tightly controlled, reflecting both technical necessity and regulatory demands. Often, you see color-coded warning panels and transport hazard diamonds, ensuring even the newest worker grasps the risks quickly. Bulk packaging follows rigid guidelines: temperature-controlled drums, often lined with inhibitors to fend off runaway decomposition. Every data sheet I’ve handled drives home the gravity of proper labeling; even a small misstep on documentation or temperature logs could shut down an entire production line until all checks complete.
Preparation Method
Synthesizing 2,5-Dimethyl-2,5-Bis(T-Butyl Peroxy) Hexane typically begins with 2,5-dimethylhexane, which reacts with t-butyl hydroperoxide under acid catalysis. The process takes careful planning because waste streams can release flammable and toxic byproducts. Facilities harness distillation and phase extraction to purify the final product, keeping an eye on temperature charts at every step. Years ago, during a site visit, I watched an entire shift crew swing into action after a reactor jacket temperature deviation — a real-time lesson in how synthesis steps and emergency procedures can collide.
Chemical Reactions & Modifications
Characterized by its tendency to break into free radicals under thermal or catalytic stimulation, this peroxide drives crosslinking reactions vital to making durable plastics and elastomers. Adjusting conditions like temperature or co-initiators tailors its activity, fitting it to low-density or high-density polyethylene, among others. Modifying the alkyl groups gives rise to newer peroxides with different half-lives and activation energies, allowing companies to fine-tune process efficiency and end-product toughness. Experimental setups often test its interaction with antioxidants or UV stabilizers, seeking to stretch out product lifetime under sun and stress, which felt especially relevant living near old houses with crumbling window caulking.
Synonyms & Product Names
In global trade and patents, this molecule surfaces under several guises: Enox 101, DTBPH, Perkadox 14, and Peroxan HX. Such diversity reflects years of mergers, rebranding, and supplier switches. Traders and plant managers sometimes struggle to track stock when a change in nomenclature sneaks into invoices. Regulatory agencies lean on CAS number 78-63-7 to keep things straight; missing this in an inventory check often spells headaches on audit day.
Safety & Operational Standards
Safety standards surrounding storage, transfer, and use of DTBPH carry the hard lessons of past accidents. Industry guidance calls for avoidance of metal ions and incompatible substances, along with use of inert atmospheres where possible. Handling protocols prioritize sealed systems and explosion-proof controls. Training materials I’ve seen sometimes use real accident case studies to hammer home the point: always add peroxide to cold, never the reverse, and know exactly where your emergency eyewash station sits. Disposal strategies draw scrutiny from regulators, as decomposition products pose persistent risks. Regular safety drills and documentation form part of worker routines, driven by a mix of regulatory, insurance, and plain common-sense demands.
Application Area
The bread and butter of DTBPH exists in plastics, rubber, and cable insulation factories. It frequently starts or crosslinks chain reactions that build PE and EPM/EPDM elastomers, giving them strength and flexibility needed for pipes, gaskets, automobile parts, and wire coatings. Electrical insulation benefits directly from its low volatility and controlled breakdown, reducing the risk of short circuits and product failures. Some even experiment with its use in specialty foams and adhesives. Each time a new material with novel performance specs appears in the market, rest assured someone ran a test batch with this peroxide to fine-tune process parameters.
Research & Development
Much of the research circles around optimizing cure times, developing blends for new monomers, and extending shelf stability of both raw materials and processed goods. Innovation also emerges from attempts to reduce environmental footprint, such as designing techniques to catch and neutralize decomposition fumes. At technical conferences, you can spot the excitement when a team presents new molecular variants or recycling approaches that handle peroxide residues safely. Cross-disciplinary collaboration with toxicologists, engineers, and regulatory specialists shapes much of the applied research, since breakthroughs in one area often depend on open dialog with the others.
Toxicity Research
Even a small-scale exposure to peroxides holds real danger to eyes, skin, and lungs. Long-term toxicity work on DTBPH focuses on acute toxicity, mutagenic potential, and routes of breakdown in the environment. Animal studies and in vitro testing drive risk assessments, with regulatory agencies requiring more precise tracking and lower allowable exposures every year. Production sites invest heavily in air monitoring, spill containment, and incident tracking. My own experience with annual on-site hazard reviews shows the relentless pace at which safety standards tighten, rarely stepping backward.
Future Prospects
The coming years promise shifts, as manufacturers hunt for initiators and crosslinkers that tick more boxes: lower toxicity, easier recycling, higher process yields, and greener synthesis routes. Climate and waste-related pressures direct attention to peroxides with more predictable lifecycles or safer breakdown products. Digital monitoring and AI-assisted synthesis prediction may open doors to using just-in-time reactions, shrinking waste, and boosting yields. Experienced workers express both skepticism and hope: skeptical about new silver-bullet claims, but hopeful for smarter, safer, and more sustainable chemistry. The real future may hinge on how well regulatory, industrial, and academic efforts knit together to chase performance without compromising health and safety.
Polymer Production and Why It Matters
Most people rarely think about how essential catalysts end up shaping the everyday products we use. 2,5-Dimethyl-2,5-Bis (T-Butyl Peroxy) Hexane—better remembered as Enox 101—serves as a free radical initiator in polymer manufacturing. Factories use this compound to kick-start the chain reactions needed to change raw monomers into stronger, more stable plastics. These plastics show up in car bumpers, medical tubing, sports gear, and electrical insulation. A better process for cross-linking results in materials that stay tough under heat, keep their shape, and handle repeated bending.
Years spent talking to product designers opened my eyes to how specialized polymers solve everyday problems. Lightweight yet strong parts don’t just help industries—they improve safety, drive down the cost of goods, and even support greener vehicles by reducing weight. Enox 101 gives manufacturers tools to tailor the mechanical and thermal properties of plastics, helping keep the balance between performance, reliability, and cost. Without effective initiators, companies would face more expensive alternatives and far more waste during production.
Rubber Industry and Safety
In tire and cable plants, vulcanization transforms natural rubber from a sticky sap into durable material. Here, Enox 101 finds another strong application by boosting cross-linking. Improved cross-linking doesn’t just extend the life of rubber products. It helps prevent blowouts, cracking, and failures in demanding environments.
From a practical standpoint, better-performing tires and industrial hoses mean fewer workplace accidents and longer-lasting consumer goods. During a factory tour, I saw how process engineers rely on precision chemicals like Enox 101 so batches reach strict safety standards. Getting that mix right keeps both workers and end-users out of unnecessary danger.
Curing Resins in Construction and Infrastructure
Construction crews and composite fabricators look for materials that cure evenly and keep their strength. Enox 101 offers a dependable solution for curing unsaturated polyester or vinyl ester resins in fiberglass panels and laminates. Bridges, boats, and building panels often rely on these tough composites to resist sun, water, and daily wear.
Living through a home renovation showed me how far composite materials have come. That solid, waterproof bathroom panel on my wall has more in common with complex engineering than with old tile or wood. The chemicals that ensure a complete cure inside those panels protect homes from rot, mold, and cracking, saving money on repairs and replacements. Using consistently pure initiators reduces project delays and produces surfaces that last for years.
Challenges and Safer Practices
No tool comes without its risks. Peroxides can be unstable, so strict temperature controls matter. Industry data and accident case studies highlight why safe transport and storage remain non-negotiable. Teams need solid training and ongoing refreshers to keep processes safe and contamination-free.
Regulators have set clear guidelines on handling, labeling, and disposal to keep workers and communities out of harm’s way. Improved formulations that reduce volatility and accidental decomposition show real promise. Seeing plant managers invest in modern containment and safety monitoring brings real hope for responsible chemical stewardship, not just profits.
Looking Forward
As companies push to reduce their carbon footprint, the demand for efficient initiators like Enox 101 has only gone up. Major R&D labs are exploring how to make similar solutions biodegradable or less energy-intensive in use. Open conversation between manufacturers, regulators, and the public keeps everyone honest about risks and rewards.
From biking down a street lined with sturdy pipes to driving on tires that grip the road years after they were fitted, most of us benefit from the unseen chemistry of initiators. The story of Enox 101 isn’t just about lab tests and patents—it’s about the reliability and safety baked into countless products we count on every day.
Enox 101 Demands Respect in the Warehouse
Anyone working with chemical additives like Enox 101 knows that some products keep their properties only when treated just right. It’s not just about ticking a box on a safety sheet. Let’s talk about what actually works for this antioxidant, drawing on good chemistry practice and lessons learned from plant floors and supplier guides.
Keep It Cool and Dry—And Pay Attention
Enox 101 prefers storage at room temperature, away from heat sources. Keeping it at about 20°C (68°F) is smart. Once the air starts getting hotter, you risk changing the product. The stuff can clump, discolor, or lose its protective power if the temperature shoots up. Running operations in tropical zones adds extra pressure to manage air temp and humidity.
Moisture is the other big enemy. Dampness turns what should be a free-flowing powder into a sticky mess. That’s more than a housekeeping problem; it creates chemical changes that mess with consistency and performance when blended in plastics or rubbers. Every engineer who has ever tried to mix lumpy antioxidants into a polymer batch knows the headaches this brings.
So Enox 101 belongs in sealed containers, away from walls where condensation forms. Shelves count—don’t just dump bags on the floor. Invest in dehumidifying tech if your storage area sweats a lot. I’ve seen shipping containers with just a basic drypak packet cut waste costs by keeping the product clean and easy to pour.
Sunlight: Handle With Care
Even if the chemical looks stable, sunlight plays tricks. UV rays can change molecules inside the material. Over time, the antioxidant stops working as well with heat or daylight exposure. This problem only comes out later—suddenly, the plastic fails tests even if it started with good numbers. The lesson? Choose a warehouse with no windows, or use blackout curtains. Don’t store bags in open yards waiting for processing.
Direct sunlight doesn’t just hurt the chemistry. It also heats containers quickly. Temperatures inside packaging can get high even on a mild day—no one wants to roll the dice with several thousand pounds of product sitting in a sun patch.
Why Labeling and Traceability Pay Off
It’s tempting to treat chemicals as just another bulk commodity, but lot number tracking matters. Labels fade fast under bad storage. Faded ink risks mixing up old and new stock, leading to expired batches working their way into your process. Make sure the labeling faces outward, and rotate stock so older lots get used first. Talk to your supplier about high-durability labels that won’t smear if exposed briefly to water.
Solutions: Better Containers, Smarter Habits
It often boils down to basics: strong, airtight packaging solves the biggest headaches. Drums with solid gaskets or thick plastic liners give peace of mind when storms roll through, or if air conditioning falters. Suppliers offer tough bags designed to keep out both air and water. Do periodic checks—open a few containers and look for signs of moisture or caking before a whole shipment ends up in production.
Training goes a long way. New warehouse staff should know why this isn’t like storing sand or rice. Share stories of batch failures and product recall costs—folks pay attention when real money is on the line. And when the boss sees consistently good materials and fewer quality complaints, everyone wins.
Understanding Enox 101 and Its Risks
Enox 101 pops up in a range of manufacturing settings. Anyone working with chemicals knows a label rarely tells the full story. The real risks often come from simple contact, accidental spills, or breathing in fumes. With Enox 101, skin and eye irritation rank high among the known dangers, and long-term exposure can bring new risks. In my years working in a chemical plant, most injuries happened not from big accidents but from small oversights—a careless moment, missing gloves, the wrong mask.
Personal Protective Equipment: Suit Up or Pay the Price
Gloves and goggles aren’t optional here. I’ve watched co-workers ignore this advice and pay for it. Chemical-resistant gloves—nitrile or neoprene—save your hands from burning or rash. Always check for tears before use. Splashes hit eyes in a split second, so wrap-around safety goggles or even a face shield gives better coverage than glasses alone. Protective sleeves and aprons keep your arms and torso covered. I always double-check my sleeves and collar before pouring or mixing anything, no matter how rushed the day feels.
Ventilation and Air Quality
Enox 101 fumes can sneak up and hang in the air. In tight workshops or basements, vapors concentrate near the workbench and put everyone at risk. Proper ventilation—open ductwork, exhaust fans over stations, or local hoods—makes a world of difference. If you smell something sharp or chemical, the air is already thick. An air-purifying respirator with the right cartridges helps prevent headaches or worse, but the best fix is always better airflow. I worked a job where the company refused to upgrade ventilation and turnover skyrocketed after a few hospital visits.
Storage and Labeling: Cutting Down on Mistakes
Store Enox 101 in closed, clearly marked containers. Skip the temptation to pour leftovers in unmarked jars or bottles—even for a short time. Last year, a friend grabbed a random container for cleanup and ended up in the emergency room with burns because someone skipped labeling. Keep it locked away from incompatible chemicals like acids or oxidizers. I keep a spill kit within arm’s reach and run through the emergency checklist every month.
Spill Response and Emergency Prep
Mistakes happen even if you prepare. Quick cleanup keeps accidents small. Use absorptive pads or neutralizers suited for Enox 101 and avoid letting spills mix with drains or soil. If you catch a whiff or your skin tingles, head to the eyewash or shower station. I tell new staff to walk the route to safety stations blindfolded before their first shift—they remember faster during a real panic. Emergency numbers should hang near every workbench, including poison control.
Training: Keeping the Culture Alive
One-off safety briefings fade fast. Short, regular drills help people remember what to do. I’ve led sessions where we walk through possible scenarios—from a leaky valve to accidentally mixing incompatible chemicals—and ask teams to point out what went wrong. Learning by doing and correcting each other keeps good habits alive.
Looking Out for Each Other
Rules only work if everyone sticks to them. In my crews, reminders flow both ways. If someone forgets gloves or goggles, you call it out, even if it’s a supervisor. Sharing stories about accidents keeps the threat real and the team sharp. Safety sounds boring right up until the moment it saves a limb or your eyesight.
Rules That Matter for a Reason
Sometimes rules feel like roadblocks, but with chemicals, following the law literally saves lives. Enox 101 needs proper handling — not as some bureaucratic hassle but as protection for everyone from drivers to warehouse workers. Recent industry incidents show what happens when someone cuts a corner. I remember the 2018 spill where a hauler skipped the right paperwork and labeling, leading to a costly cleanup and days of fear for the nearby community. These experiences stick with you. They change the way you see those red diamond labels and manifest papers.
Packaging: It Isn’t Just About Containment
Anybody can pour a substance into a drum and lock a lid, but Enox 101 is more demanding. The law expects UN-rated containers. These have to hold up to drops, falls, rough handling, and resist chemical corrosion. If the drum or tote leaks—even a slow drip—somebody’s job, health, reputation, and in the worst cases, life, ends up on the line. Industry stories highlight deliveries refused because a drum seal wasn’t tight. Shipping companies need to see a solid, unstained drum and correct DOT labels before opening a tailgate.
Paperwork: Proof, Not Just Paper
Regulators request a shipping manifest, Safety Data Sheet, and clear hazard declarations. Years ago, I worked with a logistics coordinator who treated documentation as a chore. That attitude shifted the day an inspection turned up a missing sheet, causing two days of delays and a fine. It made it clear to everyone in the warehouse that every page proves not only that the shipment can move but that responders know instantly what to do if things go south. You can’t bluff your way through a highway patrol stop with chemicals in your cargo—someone always double-checks everything.
Routing and Drivers: Common Sense and Recordkeeping
Even the most secure chemical isn’t carried like sacks of potatoes. Drivers take a special training course, learning not just about evasive driving or spill response, but about the properties of Enox 101—where it reacts, what not to park near, which routes avoid tunnels or tight turns. I remember a driver sharing how, after handling chemicals for ten years, he still checks every new product sheet. You want people with that attitude behind the wheel. GPS records and logbooks—not just to appease inspectors, but to make sure if emergencies happen, everyone knows the truck’s exact location.
Emergency Preparedness Builds Community Trust
Communities near shipping routes often wonder: what happens if something bad occurs? Companies owe it to them to carry spill kits, train their staff, and keep local fire and emergency teams informed. I’ve seen firsthand the relief in local officials’ faces when company reps drop by with the latest chemical info sheets and contact details. No one expects trouble, but peace of mind goes a long way when everyone feels in the loop and ready.
Building a Culture of Responsibility
Transporting Enox 101 right means more than just ticking government boxes. It comes from real stories—accidents dodged, fines paid, lives impacted. Following the rules doesn’t just guard the bottom line or keep regulators at bay. It proves the people in charge understand what’s at stake every time a truck rolls down the road with hazardous cargo on board.
Paying Attention to Chemistry’s Clock
Chemicals rarely last forever, even when they look unchanged on the shelf. 2,5-Dimethyl-2,5-Bis (T-Butyl Peroxy) Hexane, known as Enox 101 in the trade, plays a big part as a polymerization initiator in plastics, rubbers, and foams. Those who rely on this material know better than to ignore its shelf life. Most suppliers recommend storage for no more than a year under recommended conditions, and there is a good reason for that.
Why Shelf Life Matters for Enox 101
If you’ve worked in a plant, the word “peroxide” immediately sends up a red flag: these compounds break down over time, losing punch and sometimes becoming downright unsafe. Peroxides such as Enox 101 store chemical energy in their bonds, waiting to unleash that energy in polymer-forming reactions. Past its shelf life, Enox 101 won’t deliver the same results. The curing and hardening you expect might just fizzle out, leading to wasted batches and process headaches.
Expired batches can spell trouble. One direct example sticks out: a molding job at a plant I visited ended with improperly set rubber, just from using initiator a few months past guidance. Logistics costs soared, workers spent hours cleaning cured lumps from equipment, and the end customer lost trust.
Storage Conditions Can Make or Break Reliability
Temperature, humidity, and even sunlight all chip away at the stability of Enox 101. Manufacturers don’t set those rules out of nowhere. Storing this chemical above 30°C speeds up decomposition. Peroxide breakdown means less active material, with byproducts creeping in that can threaten both worker safety and equipment health.
Handling practices start with the basics: keep sealed in original containers, store at a steady, cool temperature, and mark delivery dates. I’ve seen too many storerooms where chemicals sat without clear inventory management, and every time, poor tracking led to expired stocks sneaking onto the production line.
Stability Testing and Why Users Should Insist on Data
Certain producers provide stability reports and regular batch testing for Enox 101. Quality monitoring, like periodic active oxygen tests, gives real-world data on how well the product holds up over its shelf life. Smart companies demand these records, adding confidence that their supplier isn’t just guessing.
It’s not just about meeting specs on a paper. Reliable testing can catch batches that would underperform before they end up in a final product. I’ve seen companies intercept subpar initiator and avoid expensive callbacks, simply by watching the active ingredient numbers monthly rather than relying on calendar dates alone.
Practical Steps to Preserve Performance and Safety
Setting up reliable stock rotation marks a huge difference. First in, first out might sound basic, yet time and again I’ve seen older Enox 101 stuck in the back, forgotten until something goes wrong. Training staff about peroxide safety, from storage to spill response, closes the loop and backs up management.
For anyone using Enox 101, keeping a close eye not just on the storage conditions but also batch age keeps both productivity and safety in check. A few dollars of extra diligence up front buys peace of mind, more stable processes, and—most importantly—a safer workplace.
| Names | |
| Preferred IUPAC name | 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane |
| Other names |
2,5-Dimethyl-2,5-bis(tert-butylperoxy)hexane
Bis(tert-butylperoxy)isododecane Peroxide, 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane Di-tert-butylperoxyhexane DTBPH Enox 101 |
| Pronunciation | /tuː,faɪv-daɪˈmɛθ.əl-tuː,faɪv-bɪs ˈtɜːr.ti ˈbɜːr.tɪl pəˈrɒk.si ˈhɛk.seɪn ˈiː.nɒks wʌn əʊ wʌn/ |
| Preferred IUPAC name | 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane |
| Other names |
2,5-Dimethyl-2,5-bis(tert-butylperoxy)hexane
Luperox 101 Perhexa 25B Peroxidhexan DB Peroxan HX Trigonox 101 |
| Pronunciation | /ˈtuː.faɪv ˈdaɪˌmɛθ.əl ˈtuː.faɪv bɪs tiːˈbɜːr.tɪl pərˈɒk.si ˈhɛk.seɪn ˈiːn.ɒks wʌn.əʊ.wʌn/ |
| Identifiers | |
| CAS Number | 110-05-4 |
| Beilstein Reference | 2918730 |
| ChEBI | CHEBI:136521 |
| ChEMBL | CHEMBL1299845 |
| ChemSpider | 157353 |
| DrugBank | |
| ECHA InfoCard | EC 201-279-3, CAS 78-63-7 |
| EC Number | 221-110-7 |
| Gmelin Reference | 78100 |
| KEGG | C18564 |
| MeSH | D006643 |
| PubChem CID | 119184 |
| RTECS number | MV8225000 |
| UNII | 9H1943B11J |
| UN number | 3105 |
| CAS Number | '78-63-7' |
| 3D model (JSmol) | `JSmol('C(C)(C)OOC(C)(C)CC(C)(C)OOC(C)(C)C')` |
| Beilstein Reference | 2442521 |
| ChEBI | CHEBI:147357 |
| ChEMBL | CHEMBL2170351 |
| ChemSpider | 20569281 |
| DrugBank | DB11362 |
| ECHA InfoCard | 03b09c81-29e0-4b1b-b7da-0242fc5f6e1e |
| EC Number | 221-110-7 |
| Gmelin Reference | 84968 |
| KEGG | C19686 |
| MeSH | D006620 |
| PubChem CID | 120947 |
| RTECS number | XN5250000 |
| UNII | W3176INH2Y |
| UN number | UN3103 |
| Properties | |
| Chemical formula | C16H34O4 |
| Molar mass | 338.5 g/mol |
| Appearance | Colorless liquid |
| Odor | Odorless |
| Density | 0.895 g/cm³ |
| Solubility in water | Insoluble |
| log P | 5.81 |
| Vapor pressure | 0.08 hPa (20°C) |
| Magnetic susceptibility (χ) | -63.8×10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.418 |
| Viscosity | 15 mPas (25°C) |
| Dipole moment | 2.72 D |
| Chemical formula | C16H34O4 |
| Molar mass | 338.5 g/mol |
| Appearance | Colorless liquid |
| Odor | Odorless |
| Density | Density: 0.895 g/cm3 |
| Solubility in water | Insoluble |
| log P | 5.48 |
| Vapor pressure | 0.07 hPa (25 °C) |
| Magnetic susceptibility (χ) | -57.6×10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.420 |
| Viscosity | 15 mPa·s (25°C) |
| Dipole moment | 2.98 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 459.5 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | 115.6 kcal/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -1364.8 kJ/mol |
| Std molar entropy (S⦵298) | 518.6 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | 82.68 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -8102 kJ/mol |
| Hazards | |
| GHS labelling | GHS02, GHS07, GHS09 |
| Pictograms | GHS02,GHS07 |
| Signal word | DANGER |
| Hazard statements | H242, H302, H315, H317, H319, H410 |
| Precautionary statements | P210, P220, P234, P261, P264, P270, P271, P280, P301+P310, P302+P352, P304+P340, P305+P351+P338, P311, P312, P321, P330, P370+P378, P403+P235, P405, P501 |
| NFPA 704 (fire diamond) | 2-3-1 |
| Flash point | Flash point: 80°C |
| Autoignition temperature | 210°C (410°F) |
| Lethal dose or concentration | LD50 (Oral, Rat): > 5000 mg/kg |
| LD50 (median dose) | LD₅₀ (oral, rat): 5000 mg/kg |
| PEL (Permissible) | Not established |
| REL (Recommended) | Not established |
| GHS labelling | GHS02, GHS07, GHS08 |
| Pictograms | GHS02,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H226, H242, H302, H332, H335 |
| Precautionary statements | P210, P220, P234, P280, P302+P352, P304+P340, P305+P351+P338, P312, P411+P235, P501 |
| NFPA 704 (fire diamond) | 2,3,2,OXY |
| Flash point | Flash point: 104°C |
| Autoignition temperature | 130°C (266°F) |
| Lethal dose or concentration | Oral, rat: LD50 = 12,900 mg/kg |
| LD50 (median dose) | LD50 (median dose): Oral, rat: > 5000 mg/kg |
| PEL (Permissible) | PEL (Permissible) of 2,5-Dimethyl-2,5-Bis (T-Butyl Peroxy) Hexane Enox 101: Not established |
| IDLH (Immediate danger) | Unknown |
| Related compounds | |
| Related compounds |
2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane
2,5-Dimethyl-2,5-di(benzoylperoxy)hexane 2,5-Dimethyl-2,5-di(peroxybenzoate)hexane Di-tert-butyl peroxide Bis(tert-butylperoxyisopropyl)benzene |
| Related compounds |
Di-tert-butyl peroxide
Tert-butyl hydroperoxide Dicumyl peroxide Cumene hydroperoxide 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane Benzoyl peroxide |