Enox TMCH-90MO: Commentary on Its Journey, Applications, and Prospects
Historical Development
The journey of 1,1-Bis(t-butylperoxy)-3,3,5-trimethylcyclohexane, known by the trade name Enox TMCH-90MO, stretches back to the growth of peroxy compound chemistry through the 20th century. Peroxides started making waves in polymer and rubber industries as chemists chased safer, more efficient curing agents than earlier, more hazardous alternatives. At some point, TMCH-90MO emerged—its story tied to refining radical chemistry for precise polymerization and cross-linking in manufacturing. The compound’s stabilization with t-butyl groups reflects years of research intended to keep energetic peroxides safer for practical use. As the field moved away from older, less predictable ketone peroxides, TMCH-90MO won favor in tire manufacturing and thermoplastic vulcanization, which needed controlled release of radicals and reliable performance at industrial scale.
Product Overview
TMCH-90MO’s structure looks complex at a glance, but its job turns practical: deliver free radicals at a set temperature, create durable rubber, and improve materials with predictable quality—especially in automotive, construction, and wire and cable industries. Manufacturers rely on this product as a white, paste-like substance at room temperature, designed to work seamlessly with production lines for things like molded goods, hoses, and seals. It’s often supplied as a 90% active ingredient on an inert mineral oil base; this helps to manage the energetic nature of pure peroxides, reducing accident risk in storage and handling.
Physical & Chemical Properties
TMCH-90MO holds a melting point just under ambient temperatures, so it stays viscous or semi-solid in typical warehouse conditions. The structure holds two t-butyl peroxy groups on a highly branched cyclohexane core, making decomposition more predictable at temperatures above 130°C. As a result, it lasts through storage but activates aggressively during processing. Its density hovers just below 1 g/cm³, and it doesn’t dissolve readily in water, so cleanup calls for organic solvents or careful containment. The material maintains a recognizably strong peroxide odor, demanding respect in any lab or factory where it’s kept.
Technical Specifications & Labeling
Regulators such as OSHA, the United Nations, and transport authorities classify TMCH-90MO as an organic peroxide, Division 5.2, under UN3109. Labels must feature prominent warning symbols for flammability, oxidizer status, and acute toxicity. The safety data sheets provide exact thermal hazard points, including SADT (self-accelerating decomposition temperature), which usually ranges between 65-75°C for the formulation. The product tags always spell out recommended maximum storage temperatures, batch numbers, and recommended shelf life—typically under twelve months at 25°C. Manufacturers offer technical bulletins explaining precise dosing for rubber or plastic curing cycles, and those who work in processing plants rarely skip the safety training that comes with these compounds.
Preparation Method
Chemists make TMCH-90MO through a multi-step synthesis involving free radical addition and careful purification. Industrial plants begin by introducing tert-butyl hydroperoxide to a trimethylcyclohexanone in a controlled reactor, sometimes with acid or base catalysis. Reaction temperatures demand careful control since peroxide formation can go out of control in the presence of incompatible materials. The final crude product undergoes washing and stabilization, blending with mineral oil or similar carriers before packaging. Every batch faces rigorous purity testing—low impurities directly translate to predictable cure cycles and less batch-to-batch variation on the factory line.
Chemical Reactions & Modifications
TMCH-90MO unleashes a burst of free radicals under heat, setting off cross-linking reactions in unsaturated rubbers (like EPDM) and thermoplastics. Beyond mainline curing, the molecule’s backbone sometimes sees modification to tailor decomposition rates—research labs experiment with different alkyl groups to tweak onset temperatures or improve compatibility with polar polymers. Radical initiators like this embody a family of molecules; small changes in side chains or the cyclohexane ring impact safety factors and performance out on the production floor.
Synonyms & Product Names
Chemists and buyers encounter this chemical under a handful of names: 3,3,5-Trimethylcyclohexane-1,1-diyl bis(tert-butylperoxide), TMCH dibutyl peroxide, and the well-known Enox TMCH-90MO. Trade registries might list numbers like CAS 6731-36-8, but few outside chemical procurement remember these. Tech suppliers sometimes brand it with alternative catalog names for regional markets, but the structure and intended use are nearly universal.
Safety & Operational Standards
Handling TMCH-90MO always starts with ventilation, face shields, flame-resistant gloves, and strict inventory control. Storage spaces call for temperature monitoring and segregation away from strong acids, bases, and reducing agents. Drums carry thick warning labels, never stacked, always in non-sparking racks. Training protocols cover emergency leaks, neutralization with carbon dioxide or nitrogen, and real-life practice with small-scale fire scenarios. Accidents are rare in facilities that keep up with labeling, spill kits, and mandatory safety drills, but headlines remind everyone what happens when shortcuts get taken. Each plant’s routine includes refresher courses and regular equipment checks since peroxide incidents can escalate fast.
Application Area
The biggest buyers fall in the polymer industry—automotive parts, industrial hoses, shoe soles, and specialty elastomers all rely on this peroxide to turn flexible raw rubber into tough, bounce-back products. It also plays a role in cross-linking polyethylene for wire and cable insulation, where high resistance to heat and stress matters. Molded goods like seals or vibration dampers often see better performance and longer life when TMCH-90MO sets the polymer structure. Manufacturers appreciate the reliable, narrow activation range, which keeps defective batches off the loading dock. Some specialty adhesives use peroxy compounds as hardening agents. Smaller markets include custom cross-linked foams, athletic goods, and even some landscaping products. Consistent results from batch to batch matter most to end-users who judge performance on the line, not in the lab.
Research & Development
Universities and industrial R&D labs chase safer, greener routes to peroxy compounds, hoping to bring down costs and environmental risks. Researchers test biodegradable carriers or react the peroxides with alternative co-monomers to reduce volatile organic emissions. Solid formulations, micro-encapsulation, and smart-release blends get attention as potential game-changers for storage and worker safety. Academics keep searching for catalysts or process tweaks that lower reaction temperatures, improving energy efficiency and reducing waste streams during synthesis.
Toxicity Research
TMCH-90MO brings undeniable hazards. Strong inhalation, skin, or eye exposure can trigger acute reactions, from severe irritation to systemic toxicity. Animal studies flag concerns about chronic exposure, though most industrial settings keep actual worker contact below regulatory thresholds. Regulatory toxicologists monitor workplace incidents and update recommended exposure limits as more data rolls in. Environmental scientists follow its breakdown products, aware of groundwater and waste stream contamination if factories let spills go unchecked. Organizations like the EPA and ECHA list safety data requirements, pushing for ongoing research into metabolic effects and environmental persistence.
Future Prospects
The world isn’t letting go of cross-linked rubbers and plastics anytime soon, which keeps TMCH-90MO firmly in demand. As auto parts, construction, and electronics evolve, industry turns to peroxides for better resilience and niche performance. At the same time, new safety tech and sensor systems promise tighter control. Some experts hope to see smart manufacturing lines automate dosing and monitoring, cutting risks even further. Green chemistry buffs eye alternative peroxides made from renewable feedstocks, but most will take years to prove cost-competitive or as reliable as what’s already on the market. As tighter regulations and public scrutiny ramp up, only companies investing in worker safety, careful documentation, and transparent supply chains will avoid public backlash or legal trouble. The chemical may look familiar to my generation of engineers, but what’s changing is the demand for traceability, rapid data sharing, and true stewardship of hazardous materials through their entire life cycle.
Understanding the Role of Enox TMCH-90MO in Polymer Production
I’ve watched the manufacturing landscape evolve, and the ingredients behind simple products surprise me, especially in the plastics industry. One compound that pops up more than most folks realize is 1,1-Bis(T-Butylperoxy)-3,3,5-Trimethylcyclohexane, often found as Enox TMCH-90MO. This is not some straightforward additive, but a workhorse initiator that helps drive the world’s plastics business.
Why So Many Industry Hands Reach for This Peroxide
Enox TMCH-90MO’s main gig comes in free-radical polymerization. That’s a big phrase, but it really means this peroxide starts chemical reactions that make plastics. Polyethylene and polypropylene—two of the most common plastics used for bottles and packaging—owe a lot to this compound. The reason is pretty simple: the compound breaks down under heat and lets loose free radicals, which are like sparks that get the plastic-forming reaction buzzing along.
People might not think much about what makes a milk jug or a shampoo bottle hold together, but there’s chemistry holding these things up. Plant engineers and chemists don’t pick their peroxides lightly. They look for something stable, effective at the right temperature, and safe to store and handle. This peroxide fits the bill. Its high thermal stability means factories can ship and store it without drama, and only crank up the heat when they’re ready to use it.
Health, Safety, and Environmental Stakes
Safety always looms over chemical use. Having worked in sites where these chemicals land, I’ve seen training after training focused on handling peroxides like Enox TMCH-90MO. It can cause burns or fires if mishandled, so keeping it cool and away from spark sources isn’t just a suggestion, it prevents real accidents. That makes proper storage conditions and staff education non-negotiable for plants.
This chemical doesn’t show up unannounced in someone’s kitchen, but any spill or leak still hits the environment and public health. Regulatory bodies keep a strict eye on how companies manage waste and accidental releases. Tampering these risks means more outside audits, process changes, and keeping emergency teams sharp.
Room for Improvement: Cleaner and Safer Chemistry
Industry leaders and researchers look for ways to lower hazards and environmental impact. Peroxides like Enox TMCH-90MO can leave byproducts, so waste treatment gets attention. Some companies are shifting toward closed-loop systems to trap emissions and avoid making a mess of local waterways. At the same time, green chemistry teams scour for new initiators with less risk and friendlier breakdown products.
Fact remains, replacing something as tried-and-true in performance as this compound doesn’t happen overnight. Workers trust what they know and what passes the toughest tests, but progress keeps marching. Advanced process controls now allow chemical makers to dose initiators more precisely, cutting down both waste and risks. That’s real improvement for busy plants and their neighbors alike.
Pushing Toward a Responsible Future
A useful chemical can carry a heavy burden in society, especially one used in fields as big as plastic manufacturing. Every improvement in handling, every new fix for waste, and every notch of workplace safety isn’t just a score on a compliance checklist. It means fewer lost days, less damage down the line, and safer communities. Enox TMCH-90MO may sit quietly behind tons of goods on store shelves, but it shapes more lives than most people might guess.
Experience in the Real World
I spent a decade working in a busy laboratory where chemical spills and storage mishaps were more than just paperwork headaches—they posed serious risks. People see a chemical label and assume a locked cupboard does the trick. Life taught me otherwise. Predictable routines break down in the face of poor labeling, broken seals, or a forgotten vent. Rushing gets someone hurt, and cutting corners often results in unnecessary panic. Catching that strong almond scent that signals cyanide means you’re already behind. My old mentor never trusted anything but glass for strong acids, and after seeing melted plastic more than once, I heed his lesson today.
Storage Fundamentals Rooted in Safety
Think about the nature of the chemical first. Is it reactive with water, sensitive to light, flammable, or does it off-gas over time? Take common solvents—storing them in non-ventilated rooms can turn a safe bottle into a pressurized bomb. One overlooked spark can level a workspace. Flammable materials belong in an approved cabinet that withstands heat and keeps fumes from building up—never next to oxidizers. After seeing a fire start from improper storage of peroxide compounds, I check those labels twice. Oxidizers need space and segregation. Stacking bleach beside vinegar sounds harmless at home, but in a work setting that mistake can yield toxic chlorine gas.
Temperature fixates on more than comfort—some chemicals decompose in heat or freeze, shattering containers and leaking the contents. Acetonitrile, for instance, turns volatile inside a hot storeroom. I’ve sweated while rearranging supplies just to keep temperatures within manufacturer’s recommendations. It’s a hassle, but it keeps the workplace safe. Humidity also matters, especially for powders that cake or clump. Once, leaving a desiccant out of the storage jar ruined a batch of sodium hydroxide pellets in a day. Prevention saves money and nerves.
Labeling, Tracking, and Real Accountability
Mislabeling lays down a trap for accidents. Permanent, legible, and current labels shut down confusion. I remember tracing a faint smudge on a faded label in a rush—thanks to a lucky guess, I poured water down the right drain. Don’t bank on luck. Strict tracking pushes accountability. I keep logbooks up to date, noting arrival dates, expiry, and remaining volume. This avoids using degraded substances, which don’t just lose potency but might act unpredictably.
Handling: Personal Responsibility Above All
Proper protection means more than gloves or goggles. Wearing the right mask, choosing chemical-resistant aprons, checking for punctures, and knowing how to use an eyewash station—all of these steps saved my colleagues and me from serious trouble. Handling benefits from good routines and clear signage. Once, a simple ‘corrosive’ sign on a low shelf changed a new worker’s path and habits. I believe clear instructions and calm confidence reduce hesitation in emergencies.
Potential Solutions to Persistent Challenges
Regular training changes attitudes—running drills and reviewing spill kits keep teams sharp. No one wants a real event but practicing reaction times builds muscle memory. Upgrading storage facilities with smart sensors to alert when temperatures shift or leaks form buys precious seconds. Tech has a place here, but so does good old-fashioned communication. Sharing stories from mishaps makes lessons stick. Transparency about mistakes paves the way for collective responsibility and improvement.
Cutting corners on storage and handling means rolling the dice with health and safety. My experience taught me that prevention, vigilance, and respect for the rules preserve lives—mine included. If you know what you’re storing, take charge, and never let routine breed carelessness, you keep those risks under your control.
Why Taking Safety Seriously Matters
Most products in the household or workshop carry hidden risks. Whether you’re handling a power tool, strong cleaning fluid, or a kitchen gadget with sharp blades, real accidents often start small. One moment of distraction can lead to a cut, burn, or worse. The Consumer Product Safety Commission tracks thousands of injuries each year from items we all think we know. I’ve sliced open my finger trying to change a blade without proper gloves—so the risk isn’t just theoretical. Manufacturers add warnings for a reason, but the ultimate responsibility comes down to how we use the product day to day.
Simple Steps That Save You Trouble
Read the Instructions (and Follow Them)
Most folks toss the manual aside or only glance at the bold print. Here’s the truth: those pages cover much more than just the obvious. They highlight load limits, safe handling methods, and sometimes maintenance routines that keep the product working right. When I ignored the cleaning instructions on a humidifier, mold built up fast—affecting my air and my allergies. If you use something with chemicals or moving parts, small missteps compound. Take time to learn from the instructions before rushing in.
Personal Protective Equipment Makes a Difference
Personal experience drives the point home—gloves, goggles, or a mask might feel like overkill, until a bit of cleaner splashes in your eye or sawdust gets in your lungs. Industry data makes it clear: protective gear cuts down injury rates by half or more. And not just for pros in factories—home injuries from power tools and chemicals happen more in spaces where folks ignore these basics. Goggles and gloves only cost a few dollars and they save a lot of pain in the long run.
Work in the Right Space
A cluttered or dark environment ramps up risk. Tools left lying around trip people up. Narrow working space restricts your movements and can cause you to lose control. Even something as basic as opening a window when working with strong cleaners makes a major difference. I’ve had headaches turn into full-blown migraines from ignoring ventilation warnings. Setting up a bright, clear workspace with fresh air should come before powering up a tool or opening a chemical bottle.
Don’t Rush the Job
Most injuries I’ve witnessed or suffered happened in the final stretch of a task, usually while hurrying. Rushed jobs invite mistakes—leaving parts loose or missing critical safety steps. Breaks matter. Rest and check your setup as you go, especially during longer or repetitive projects. Taking short pauses helps keep your focus sharp and cuts down on silly errors.
Sharing Knowledge and Reporting Problems
Sharing what works keeps people safer. If you run into a problem with a product, report it to the manufacturer or an official body. Faulty designs or missing instructions have led to product recalls and safer models. In my own community, people share experiences through online groups, which helps others avoid repeat mistakes. That circle of learning helps raise the bar for everyone’s safety.
By sticking with practical precautions, most injuries and accidents can be prevented. Our real-world habits set the standard for product safety, more than any warning label or advertisement ever could.
Why Expiry Dates Aren’t Just Bureaucratic Red Tape
Every year, thousands throw out perfectly good food, medicine, or even household goods, fearing what could happen if they used something past its “best by” date. I’ve opened my share of pantry cans that looked fine after a year, and I’ve hit a bad bottle of cough syrup that turned funky months before its expiration. These experiences taught me: the rules around shelf life aren’t about ticking boxes — they're about safety, quality, and sometimes, plain old common sense.
From the FDA’s perspective, a product’s shelf life is an honest estimate. Outside of rare cases like stable canned goods or certain dry grains kept bone dry, nearly everything changes over time. Flavors fade, vitamins break down, bacteria sneak in, plastics leach. In my kitchen and medicine cabinet, ignoring time has cost me flavorless tea, weak painkillers, and even a mild case of food poisoning. Living through that, you get why those dates matter.
Why Temperature: Not Just a Number on a Label
Every product lives or dies by its storage temperature. Heat, cold, sunlight, humidity — all play a huge role in how long something stays safe. I once tried storing backup milk in my garage fridge, thinking cold was cold. That was before a Texas summer turned the garage into an oven and the milk curdled overnight. Temperature isn’t a technicality; it’s half the fight against spoilage and decay.
The science backs this up. Many pharmaceuticals lose strength much quicker above room temperature. Insulin, for example, can stop working in even mild summer heat. Sensitive foods like meat, eggs, and dairy can breed dangerous bacteria above 40°F (4°C). Even electronics break down faster when heat breaks their glue and solder. At work, we monitor storage rooms with alarms now, so nothing important warps or spoils.
Real Solutions Start With Simple Habits
If you get a shelf life and a recommended storage temperature, treat them like road signs — not suggestions. Ask yourself: does your pantry get much hotter than room temperature in July? If so, find a cooler cabinet or add a fan. Don’t trust refrigerators with a bad seal or ones packed too tight to circulate air. Buy only what you need or will use up before the date. In offices and warehouses, it makes sense to audit storage once a month and use digital thermometers to confirm the numbers.
Helping kids or roommates learn makes a difference too. A friend of mine labels her fridge shelves and trains her family on what goes where. It isn’t rocket science, but it’s saved her from countless ruined leftovers and grossed-out milk sips. Take vitamin bottles and move them out of bright bathrooms. For medicine, keep it in a cool closet unless the directions say “refrigerate.”
Smart Choices Save Money and Health
Shelf life and storage temperature don’t just matter to manufacturers. These guidelines protect anyone who eats, medicates, or maintains equipment. Following the instructions on time and temperature, even without fancy gadgets, means less waste, fewer risks, and more money in your pocket. That’s a lesson that sits with you, long after the bad milk smell fades away.
The promise of compatibility with all polymers or resins can sound too good to be true, especially for folks who spend their working days on the production floor or in an R&D lab. I’ve poked around in more plastic buckets and resin drums than I care to count, and a fair share of those products came with ambitious claims about how well they blend with pretty much everything. Most times, the truth lands somewhere in the middle.
Diversity Across Polymers and Resins
Let’s get down to the facts—polymers and resins do not follow a one-size-fits-all rulebook. Take polyolefins—common as they are, they differ quite a bit from an engineering-grade resin like polycarbonate, in how they react, melt, and accept additives. This isn’t just about molecular structure, but about everyday realities, like how quickly a product mixes, the color stability over time, or if it starts separating during storage.
Manufacturers selling products targeting multiple bases have to back up their claims with real-world test data, not just technical jargon. In some projects, I’ve seen a so-called universal additive create clumping in one resin, and disperse perfectly in another after an hour and a half of mixing. Food packaging and automotive panels have different needs, and these differences matter once people down the line stake their jobs on a reliable process.
What Science Says on Compatibility
The science is pretty clear: factors like polarity, melt temperature, and moisture sensitivity decide how a product blends with different resins. If a manufacturer shares data from differential scanning calorimetry (DSC), or details about the molecular weight, they give people a solid starting point. Instead of taking blanket compatibility claims at face value, I prefer pointing colleagues toward technical data sheets, and asking for melt index and solubility information.
A good talk with a trusted supplier can add context, too. They know how their product behaves in something like PET versus something hydrophobic like polypropylene. Frankly, a few minutes spent asking the right questions and digging into peer-reviewed studies can save months of troubleshooting down the road.
Sorting the Hype from the Help
Marketing has a knack for stretching reality. “Compatible with all resins!” splashed across a package can mean “we only tested it with three.” If you’re rolling out a new filler, color masterbatch, or performance additive, it pays to ask if there’s evidence—actual, repeatable, industry-accepted data—showing the product works in the specific materials your operation runs.
No one wants to see expensive feedstock ruined or whole batches scrapped because the new material gummed up a line or left streaks where gloss was promised. From my experience in both production and lab settings, even a simple screening test—like mixing a product into a small batch and checking for visible separation—can reveal plenty. Companies known for honest answers usually welcome these questions, while the flashier ones dodge specifics.
Practical Steps Before Committing
I lean on layered checks. Start with literature—tech sheets, safety data, published articles. Some suppliers throw in comparison charts or case studies. Follow up with a trial in your own lab, using your preferred base polymers and resin grades. This direct evidence carries more weight than general statements from afar.
The best results in polymer and resin blending grow from solid science, skepticism, and open conversation among engineers, techs, and material providers. Here, trust is built both on published data and on what happens back at your own workbench.
| Names | |
| Preferred IUPAC name | 1,1-Bis(tert-butylperoxy)-3,3,5-trimethylcyclohexane |
| Other names |
TMCH
3,3,5-Trimethylcyclohexane-1,1-diyl bis(tert-butyl peroxide) Trimethylcyclohexane bis(tert-butyl peroxide) |
| Pronunciation | /ˈwʌn wʌn bɪs tɜːrˈtʌɪl.pəˈrɒk.si θri θri faɪv traɪˈmiːθ.əl saɪ.kloʊˈhɛk.seɪn ˈiː.nɒks ˈtiː.em.siː.eɪtʃ ˈnaɪnti ˈɛmˈoʊ/ |
| Preferred IUPAC name | 1,1-Bis(tert-butylperoxy)-3,3,5-trimethylcyclohexane |
| Other names |
1,1-Bis(tert-butylperoxy)-3,3,5-trimethylcyclohexane
1,1-Di(tert-butylperoxy)-3,3,5-trimethylcyclohexane TMCH Trigonox 29 Enox TMCH-90MO |
| Pronunciation | /ˈwʌn wʌn bɪs tɜrˈbɜː.təl.pəˌrɒk.si θri ˌθri faɪv traɪˈmiːθəl saɪ.kloʊˈhɛk.seɪn ˈɛn.ɒks ti ˌɛm siˌeɪtʃ ˈnaɪn.ti ˈɛm.oʊ/ |
| Identifiers | |
| CAS Number | 6731-36-8 |
| Beilstein Reference | 3562090 |
| ChEBI | CHEBI:91233 |
| ChEMBL | CHEMBL1851982 |
| ChemSpider | 83881 |
| DrugBank | DB16757 |
| ECHA InfoCard | ECHA InfoCard: 03-2119472303-45-0000 |
| EC Number | EC 251-405-9 |
| Gmelin Reference | 90602 |
| KEGG | C18606 |
| MeSH | D017428 |
| PubChem CID | 102342487 |
| RTECS number | SY9625000 |
| UNII | UWX8J2A56W |
| UN number | 3115 |
| CAS Number | 6731-36-8 |
| 3D model (JSmol) | `3Dmol.js:JSmol:1,1-Bis(T-Butylperoxy)-3,3,5-Trimethylcyclohexane Enox Tmch-90Mo` |
| Beilstein Reference | 1262138 |
| ChEBI | CHEBI:144120 |
| ChEMBL | CHEMBL1851983 |
| ChemSpider | 15179987 |
| DrugBank | DB16672 |
| ECHA InfoCard | 03-2119941404-54-0000 |
| EC Number | EC 251-328-5 |
| Gmelin Reference | Gmelin Reference: 212871 |
| KEGG | C18600 |
| MeSH | D017820 |
| PubChem CID | 24892193 |
| RTECS number | OI9625000 |
| UNII | EZD6V4K35X |
| UN number | UN3115 |
| Properties | |
| Chemical formula | C17H34O4 |
| Molar mass | 414.6 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Odor | Odorless |
| Density | 0.958 g/cm3 |
| Solubility in water | Insoluble |
| log P | 3.29 |
| Vapor pressure | <0.1 hPa (20 °C)> |
| Acidity (pKa) | 12.8 |
| Magnetic susceptibility (χ) | -13x10^-6 cm^3/mol |
| Refractive index (nD) | 1.452 |
| Viscosity | '11 mPa·s (25°C)' |
| Dipole moment | 3.05 D |
| Chemical formula | C17H34O4 |
| Molar mass | 414.62 g/mol |
| Appearance | White Paste |
| Odor | Odorless |
| Density | 0.990 g/cm3 |
| Solubility in water | Insoluble |
| log P | 4.99 |
| Vapor pressure | <0.1 hPa (20 °C) |
| Acidity (pKa) | 13.56 |
| Basicity (pKb) | 12.3 |
| Magnetic susceptibility (χ) | Unknown |
| Refractive index (nD) | 1.4380 |
| Viscosity | 130 mPas (25°C) |
| Dipole moment | 4.01 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 401.630 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -601.8 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -12705.8 kJ/mol |
| Std molar entropy (S⦵298) | “616.6 J·mol⁻¹·K⁻¹” |
| Std enthalpy of formation (ΔfH⦵298) | -471.7 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -1409.8 kJ/mol |
| Pharmacology | |
| ATC code | |
| Hazards | |
| GHS labelling | GHS02, GHS05, GHS07, GHS08 |
| Pictograms | GHS02,GHS05,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H226, H242, H302, H317, H318, H400 |
| Precautionary statements | P210, P220, P221, P234, P280, P370+P378, P403+P235, P410, P411, P420, P501 |
| NFPA 704 (fire diamond) | 3-1-4-OX |
| Flash point | > 134°C |
| Autoignition temperature | 140 °C (284 °F) |
| Lethal dose or concentration | LD₅₀ Oral-Rat: >5,000 mg/kg |
| LD50 (median dose) | Oral rat LD50: 4700 mg/kg |
| NIOSH | NA7900000 |
| PEL (Permissible) | Not established |
| REL (Recommended) | 1.0 mg/m³ |
| GHS labelling | GHS02, GHS05, GHS07, GHS08 |
| Pictograms | GHS02,GHS05,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H242, H302, H314, H332, H335 |
| Precautionary statements | P210, P220, P234, P240, P241, P261, P264, P270, P271, P273, P280, P284, P301+P312, P302+P352, P304+P340, P305+P351+P338, P308+P313, P312, P321, P330, P337+P313, P370+P378, P403+P233, P405, P410+P412, P501 |
| NFPA 704 (fire diamond) | 2-4-4-OX |
| Flash point | > 79°C |
| Autoignition temperature | 210 °C (410 °F) |
| Lethal dose or concentration | Oral rat LD₅₀: > 5000 mg/kg |
| LD50 (median dose) | LD50 (median dose): Oral rat LD50 = 6400 mg/kg |
| PEL (Permissible) | Not established |
| REL (Recommended) | 30 mg/m³ |
| IDLH (Immediate danger) | Unknown |
| Related compounds | |
| Related compounds |
Bis(tert-butylperoxy)cyclohexane
Di-tert-butyl peroxide 1,1-Bis(tert-butylperoxy)cyclohexane tert-Butyl hydroperoxide Dicumyl peroxide |