Tert-Butyl Peroxy-2-Ethylhexylcarbonate (Enox TBEC): A Practical Commentary
Historical Development
Tert-Butyl Peroxy-2-Ethylhexylcarbonate, sometimes called Enox TBEC, has roots that stretch back to the era when organic peroxides took off in the chemical industry. Chemists in the 1950s started seeing value in peresters, both for polymerization and for specialty reactions, spotting the balance between reactivity and safe handling that other peroxides struggled to achieve. Over the following decades, producers fine-tuned their methods, shifted production from hazardous batch reactions to controlled continuous processes, and gradually landed on TBEC as a reliable tool for manufacturers looking for a clean split—enough power to kickstart free-radical chemistry without the violent unpredictability of older peroxides.
Product Overview
What stands out about TBEC is its place as both a specialty initiator and as a bridge compound, connecting the gap between highly reactive dialkyl peroxides and the slower, safer percarbonates. Anyone who has worked in a polymer plant or a specialty lab recognizes the utility in having an initiator that brings solid shelf-life and clear triggers for activation. Producers label TBEC under a handful of synonyms: Tert-butyl 2-ethylhexyl peroxycarbonate, Perkadox 16, or Luperox 256, depending on which part of the world you’re buying from. Check a product label, and you often see reference to its purity, color range, and storage limits—TBEC has become a mainstay ingredient tucked away in many material science catalogues.
Physical & Chemical Properties
Picture a clear, oily liquid—no real color, just a faint whiff reminding you that you’re handling a peroxide. Its boiling point sits well above 100°C, with a decomposition temperature that signals danger around 160°C. It packs a punch in terms of oxygen content, tipping just over 10%, which matters to anyone looking to measure the strength of a radical-producing agent. The formula, C13H26O4, lays out its carbon backbone; but what many overlook is that the balance of branching and chain length shapes both solubility and volatility. TBEC mixes well with a range of non-polar solvents, which gives plant operators flexibility in prepping formulations. That said, it doesn’t dissolve well in water, and that property shapes both waste management and emergency cleanup procedures throughout its handling life.
Technical Specifications & Labeling
On the technical spec sheet, you’ll find numbers for active oxygen content, more often than not 10.1-10.6% by weight. This little detail shapes how purchasing departments compare one batch against the next. Most grades in commerce guarantee minimum purity at 95%, supported by gas chromatography tests. Containers require UN labels for Organic Peroxides Type F, and the package itself usually runs in steel drums or HDPE cans, lined for chemical compatibility. The shelf-life matters; at 0-10°C, you’re looking at up to a year before deterioration. Labels warn about heat, shock, and friction, but also include first-aid route info for skin or eye contact, since benchmarking safe handling steps goes hand-in-hand with regulatory audits. TBEC often gets shipped with a commission test number for transport authorities as well as a full lot-specific MSDS included in the shipment documentation.
Preparation Method
TBEC production kicks off from tert-butyl hydroperoxide and 2-ethylhexyl chloroformate or 2-ethylhexanol, using catalysts like sodium carbonate or amine bases to drive the reaction. This transformation follows a classic peresterification, where measured catalyst amounts keep side-reactions at bay and guarantee yield. Every batch run produces off-gas—mainly CO2 and a bit of organics—that vent through scrubbers, a feature often invisible in finished product descriptions but one any plant engineer knows all too well. Crude product passes through multiple purification washes and phase separations before meeting the color, purity, and stability required by downstream buyers. Waste considerations matter, as unreacted peroxide byproducts threaten both safety and local environmental regulations.
Chemical Reactions & Modifications
Many users see TBEC as more than just a one-trick initiator. The peroxide group cracks open under heat or the right initiator system, producing free radicals. This makes possible a range of polymerizations: from low-density polyethylene, where chain branching dictates flexibility, to acrylic resins that lend themselves to high-gloss coatings and adhesives. TBEC also does the trick in cross-linking polyolefins, bringing improved chemical resistance and durability to everyday items. Chemists often modify TBEC, trading the 2-ethylhexyl group for longer or shorter chains to tune the breakdown temperature and reactivity. These trials open the way for custom initiator blends, giving users better options for temperature windows or product safety margins in plants running everything from cable insulation to specialty elastomers.
Synonyms & Product Names
In a global market, clarity on names keeps confusion to a minimum. Anyone digging through catalogs stumbles across TBEC sold as Perkadox 16 (Dutch origins), Luperox 256 (French lines), or even AKPEROX TBEC in Asian supply chains. CAS numbers like 34443-12-4 simplify traceability, particularly for regulatory audits. Other material codes pop up in GHS-compliant documentation, linking hazard statements and pictograms for anyone navigating compliance in different jurisdictions. In my experience, mixing up trade names can lead to costly mistakes—best to double-check every procurement spec, especially with stricter regulations in cross-border shipping.
Safety & Operational Standards
Anyone handling TBEC up close learns respect for both the power and the risk. The peroxide’s sensitivity to heat, shock, and contamination means storage areas stay cool, dry, and marked with hazard signage front and center. Workers dress out with gloves and eye protection; factory floors often invest in explosion-proof ventilation and rigorous training sessions, especially for operators transferring batches or sampling drums. Spill kits specific to organic peroxides find their place next to inventory shelves. Upstream producers issue extensive safety data sheets, covering everything from minimum ignition energy to decomposition heat values and emergency procedures for accidental release. Waste disposal runs through regulated hazardous routes, sometimes requiring neutralization steps before incineration.
Application Area
TBEC shows up where free-radical chemistry lines up with industrial scale. Think of wire insulation, where controlled cross-linking toughens up polyethylene jackets, helping withstand heat and stress in buried power lines. It plays a key role in the production of foamed plastics for everything from surfboards to closed-cell packaging, where consistent peroxide breakdown means uniform cell size in the final product. Coatings and adhesives benefit from predictable cure rates—TBEC allows for even, rapid hardening without the runaway reactions seen with less stable peroxides. Some specialty elastomers in automotive and construction draw on TBEC for better shape retention and weather resistance—finished products last longer and perform under tough service conditions.
Research & Development
Laboratories keep testing new blends and processing schemes, hoping to tune TBEC for different environments. Much work goes into co-initiator studies, combining TBEC with other organic peroxides to take advantage of staggered decomposition temperatures or to enhance compatibility with new monomers. Chemists regularly report studies on macroscale impurities, tracking how small tweaks in plant process influence shelf stability or reactivity under field conditions. Scale-up operations don’t always play out as smoothly as bench reactions, so teams monitor each production line for batch consistency and impurity profiles. Some researchers tie in computational chemistry to predict how substituted perester groups inside TBEC analogs could perform, narrowing the field for safer and more efficient next-generation initiators.
Toxicity Research
Toxicological studies walk a fine line: TBEC doesn’t behave like simple solvents, so safety work covers acute inhalation, dermal exposure, and chronic contact scenarios. Rat and rabbit models highlight skin and eye irritation risks, especially with repeated, concentrated exposure. In plants, exposure stays low with the right personal protective equipment, but accidents or leaks up the ante—case reports show prompt first aid reduces longer-term harm. TBEC itself breaks down quickly during use, leaving behind carbon dioxide and less hazardous alcohols, though researchers continue tracking trace byproducts for possible endocrine activity or environmental persistence. Data from long-term animal studies rarely show alarming systemic toxicity at industrial exposure levels, but strict worker monitoring and regular biological screening stay in place for early warning.
Future Prospects
TBEC finds itself at a crossroads as sustainability becomes a driving force. Green chemistry teams seek ways to shrink its environmental impact, from solvent recovery in its manufacturing process to new biodegradable peroxides inspired by its structure. Demand keeps growing as wires, foams, and adhesives must meet higher safety and performance benchmarks, especially with electrification and construction booms worldwide. Research partnerships between industry and academia look for ways to fine-tune initiator blends, boosting productivity with fewer unwanted byproducts. Over the next decade, regulatory shifts and customer push-back on hazardous ingredients drive innovation—safer TBEC analogs, built from renewable feedstocks, sit on the research horizon and may change how we think about free-radical chemistry in the years to come.
Why Enox TBEC Catches Industry Attention
Tert-Butyl Peroxy-2-Ethylhexylcarbonate, or Enox TBEC, tends to show up in industrial circles where tough, reliable chemical processes matter. This organic peroxide plays a big role during the creation of plastics and rubbers people touch every day. Folks who work with PVC pipes, footwear, rubber hoses, and even the insulation in wires depend on this stuff to help lock in certain features like flexibility, durability, and strength.
How Does Enox TBEC Work in Manufacturing?
What sets Enox TBEC apart is how it triggers what chemists call “crosslinking” and “polymerization.” Crosslinking involves joining smaller plastic or rubber molecules together, helping create a sturdy, finished product. Just like a good baking yeast starts a chain reaction in dough, peroxides like Enox TBEC spark chemical changes at just the right phase, so manufacturers can shape, cure, and harden rubber or plastic reliably. Without this ingredient, many common items would crack under pressure or lose shape fast, especially under heat or friction.
Health and Safety: More Than Just Lab Coats
No one treats peroxides lightly, because these chemicals can break down and release energy—sometimes explosively—if not handled thoughtfully. At the factory, seasoned workers watch temperatures, keep the containers dry, and use safety gear. Having worked around industrial-grade chemicals, I know people trust routine and checklists for a reason: A small mistake brings real consequences. Manufacturers also study data sheets and follow hazard labels closely. This is not stuff for experimenting at home or cutting corners to save a buck.
What Do Real-World Products Gain?
Think about electric cables lasting through years of flexing, or tire treads gripping slick roads without chipping or splitting. Enox TBEC, behind the scenes, lets companies craft products that last longer before wearing out. With this compound, plastics resist aging, sunlight, and tough weather. Companies seek out such peroxides because customers judge the end results with their own hands and eyes—flimsy, brittle, or yellowing plastics just won’t cut it.
Concerns Over Sustainability
Lately, people question the big impact of synthetic chemicals in the environment, and for good reason. Peroxides don’t usually stick around in the final product, but the process leaves chemical leftovers. Factories know the pressure’s on to control emissions and clean up waste. New approaches like recycling scrap polymers and investing in closed-loop systems help cut down on hazardous output. Cutting waste isn’t just about rules—it saves money and earns trust with neighbors and customers alike. I've watched plant managers adapt older practices, finding unexpected ways to trim pollution without stopping the line.
Looking for Smarter Alternatives
Markets drive innovation, so companies explore whether natural alternatives or less-hazardous initiators can take over from traditional peroxides. Some green chemistry labs have made small strides, but tough performance specs mean Enox TBEC and its cousins won’t be out of work soon. People pushing for safer and cleaner solutions need more partnerships between researchers and industry giants. Education, too, shapes smarter careers—chemical engineers and technicians who think deeper about what's running through the pipelines change industry for the better.
A Balancing Act Going Forward
Enox TBEC shows up in a wide range of products, helping make them safer and longer lasting. Its influence stretches from the lab bench to everyday life. Progress hinges on staying honest about the risks, seeking new methods, and listening to workers who know the shop floor best. Some stories from inside the plant stick with me more than any technical data: changes, small or large, grow out of a mix of experience, curiosity, and a hard look at what really works long term.
The Value of Proper Storage
Many chemicals ask for a specific home. For Enox TBEC, temperature and moisture give the biggest headaches. If left in a hot warehouse or under direct sunlight, this compound reacts fast — not the kind of “excitement” anyone needs at work. My own run-ins with specialty chemicals taught me how skips in temperature checks can lead to big problems, from ruined batches to warehouse evacuations. Keeping the place cool, dry, and away from heat sources helps stretch shelf life and keeps everyone out of harm’s way.
Containers and Labeling Matter
In my last quality role, I saw how unlabeled or damaged containers invite accidents. Chemicals like Enox TBEC don’t give second chances. Original packaging is made for safety, tightly sealed to keep air and moisture out. Using non-compatible containers opens the door for leaks and reactions, especially if the wrong materials touch the chemical. Checking labels for integrity and proper hazard symbols isn’t just bureaucracy – it’s a real safety net.
Fire Risks
Peroxides like Enox TBEC pack an extra punch in the fire department. I remember news stories about old jars of peroxides igniting in labs – the stuff can act as its own oxygen source in a blaze. Good storage means steering clear of sparks, open flames, and any heat-generating equipment. Fire extinguishers and proper spill kits always sit within reach, with regular training sessions so everyone knows what to do when the unexpected happens.
Getting Ahead of Moisture and Contamination
Enox TBEC and water are never good roommates. Any contact with moisture accelerates breakdown and enhances risk. Even something minor like a leaky roof can spoil entire stocks. Clean, dry hands and tools lower the risk of introducing unwanted water or cross-contaminants. Segregating this chemical from acids, bases, and other reactives heads off dangerous mix-ups. These steps might sound simple, but overlooking them explains most of the serious incidents I’ve heard about over the years.
Personal and Environmental Safety
It’s tough to overstate the need for gloves, goggles, and breathing protection when working with substances prone to off-gassing or skin absorption. In one facility I audited, staff stopped using protective gear out of habit — until a minor splash caused a trip to the ER. Workers and managers can’t slack on routine safety reviews and proper disposal procedures. Waste goes into rated, sealed drums for pickup by licensed handlers. Local regulators usually spell out rules for hazardous chemical disposal, and dodging these requirements just invites fines and harm to local ecosystems.
Better Solutions, Fewer Risks
Switching to smaller, single-use containers reduces leftovers that might degrade. Automation can limit employee exposure. Digital monitoring of storage conditions adds another layer of protection. These options carry upfront costs, but they cut long-term risks that can shut down operations or harm people. My experience says smart investments in storage and safety pay off every time, especially as environmental and workplace regulations get tighter.
Staying Prepared
No technology replaces a well-trained team. Emergency drills, clear signage, and strong reporting habits make the difference in sticky situations. Keeping up with new handling recommendations and supplier bulletins builds a safer workplace culture. For Enox TBEC, safety is a daily habit, not a checklist item. The smallest changes in how people store and use chemicals can keep problems at bay, maintain reputation, and protect both people and the planet.
Understanding Storage Limits
Few topics get overlooked as often in manufacturing as chemical shelf life. Think of all the supplies in warehouses, labs, or on farms—some have clear expiration rules pinned up, but lesser-known compounds often slip through unnoticed. Enox TBEC, with its technical sound and specialty uses, fits this story. It’s a commercial antioxidant that supports shelf stability for plastics, rubbers, and more. But ask about its shelf life, and you’ll run into lots of speculation and little hard fact on the shop floor.
How Long Does It Last?
Manufacturers typically mark Enox TBEC with a shelf life reaching up to two years from production. This isn’t just a number picked out of thin air. Studies on antioxidant stability and packaging tests help set this limit, mostly under controlled storage conditions—cool, dry, and in closed containers. Even less than perfect, that two-year window acts as a key anchor for safe use.
Why Shelf Life Really Matters
Keeping track of dates becomes critical with specialty chemicals. Enox TBEC works by slowing down the breakdown of plastics, meaning its own stability changes how well it protects those materials. As it ages, exposure to air, moisture, or even light can lead to clumping, changes in odor, or shifts in color. More than that, degraded antioxidant could lead to finished products that crack sooner, lose strength, or trigger unwanted chemical reactions. Speaking from a few years of lab experience, outdated batches turned up just enough times to cause real headaches—QC labs flagged irregular results, sometimes after hours of downstream work had already taken place.
The Bigger Impacts
Ignoring a product’s shelf life doesn’t just hit bottom lines, it touches worker safety and consumer trust. In the worst cases, poorly stored Enox TBEC might lead to surprise hazards: dust, spills, or chemical fumes that a safety officer never planned for. Regulatory bodies, including OSHA and the EPA, have fined companies caught using expired or degraded chemicals. These mistakes can snowball—recalling finished products, extra audits, even loss of customer contracts.
What Can Be Done?
No one can blame the chemical itself for running out of steam. Strong inventory management helps a lot. Tracking expiration dates, rotating stock regularly, and logging product movement create real accountability. Teams should keep records not only for compliance, but to avoid scrambling during audits. Moving to digital inventory systems made a huge difference where I worked, cutting expired product losses to nearly zero.
Routine checks pay off, too. It takes just minutes to open containers, check for dust clumps, weird smells, or color shifts. Retrain staff often on these basics. Too many recalls in industry happen not because people don’t care, but because the information gets lost between shifts or after new hires come in.
Manufacturers Have a Role
Producers selling Enox TBEC often test their products to prove those two years of stability. They issue certificates, and most will share detailed storage advice if someone asks. All that paperwork feels like a chore until the day an auditor walks in. I’ve learned that people who treat chemical shelf-life labels as more than just print on a barrel keep their companies out of trouble.
Enox TBEC remains vital for industries that count on stable, long-lasting materials. Respecting its shelf life cuts waste and keeps workplaces safer. Relying on up-to-date science and strong record-keeping can save money and trouble in the long run.
The Hazards Tied to Enox TBEC
Enox TBEC, a chemical used widely as a stabilizer in the plastics industry, has gained attention not only for its functionality but also for its risks. The substance often shows up where folks work with polyvinyl chloride (PVC) or other thermoplastics. Based on the safety data, breathing in Enox TBEC vapors, or getting it on your skin, carries real health risks. Irritation to the eyes and respiratory system comes up over and over in reports from workers and first responders. Repeated exposure raises the stakes with possible organ damage, especially if used without precautions.
I’ve seen factory workers develop skin rashes after just a day or two without gloves. Headaches and mild dizziness cropped up as soon as the air got thick with chemical fumes. Some standard operating procedures in older manufacturing sites look outdated—no one needs to feel dizzy just to make a living. The word “hazardous” often pops up for a reason.
Fire and Environmental Impact
Apart from health effects, Enox TBEC poses a fire hazard. The chemical comes with low flash points and can burn intensely. Incidents tie back to improper storage near ignition sources or failure to vent storage areas. Spraying water blindly during a chemical fire spreads contamination fast. In one event, fire crews needed specialized foam and respirators to contain both the blaze and the chemical release. It takes a strong safety culture to avoid these kinds of emergencies.
Enox TBEC spills seep into soil and water, making cleanup a challenge. Runoff and improper waste disposal threaten aquatic life and throw a wrench in waste treatment processes down the line. No one can shrug off a chemical that hangs around for years once it escapes containment.
Safety Measures Worth Trusting
Putting real protection in place means prioritizing both people and the planet. Ventilation stands out as the frontline defense in any shop using Enox TBEC. Local exhaust systems, not just basic fans, pull fumes away before anyone breathes them in. Respirators with organic vapor cartridges add a backup layer, especially for maintenance or cleaning teams. Regular refresher courses remind everyone where the danger zones pop up and how to keep exposures in check.
Any business should insist on butyl or nitrile gloves and dedicated chemical-resistant aprons. Face shields go beyond goggles—when pouring or mixing, splashes can catch anyone off guard. Regular handwashing and scheduled uniform changes keep traces off skin and out of homes. Good gear only helps when workers buy in, so employers have a responsibility to provide equipment that actually fits and functions.
Handling and Storage
I’ve watched staff skip basic steps—like double-checking containers before stacking them. Dedicated storage rooms with explosion-proof lighting stop a small slip from turning catastrophic. Posted signage keeps new hires and visitors from accidentally opening containers. Inspections every week spot leaks or corrosion before they cost anyone their health.
Labeling matters too. Clear, permanent signs on all drums cut confusion, especially during busy shifts. Keeping acids and oxidizers in separate storage areas keeps reactions from starting in the first place.
Choices Beyond Compliance
Real safety comes from more than just ticking boxes. Teams that actually talk about accidents and near-misses learn fast and adapt. With clearer communication, newer workers avoid repeating mistakes made years earlier—sometimes learning from incidents that still sting a little. These efforts, mixed with good technical controls and proper gear, make all the difference between a safe day and a costly emergency.
Food Manufacturing: Improving Shelf Stability
Many people don’t think twice about how their packaged bread stays soft or why chewing gum doesn’t go stale after a week on the shelf. That’s where specialty food additives come in. Enox TBEC sees a lot of use in baked goods and confectionery, where it helps prevent fats and oils from breaking down, keeping products fresher for longer. There’s research showing that antioxidants like Enox TBEC slow down oxidation in food products, which keeps crackers crisp and prevents off-flavors. My own time in a bakery taught me how minor tweaks in an ingredient list could mean the difference between a loaf that molds in two days, and one that holds up for a week or more. The food industry invests in these additives to cut waste and keep customers coming back.
Plastics and Rubber: Stopping the Creep of Decay
If you have ever noticed a faded garden hose or brittle rubber soles, you’ve witnessed oxidation at work. Many plastics and rubbers need extra protection to survive sun, heat, and daily wear. Enox TBEC gets mixed into automotive parts, wire coatings, shoe soles, and more, helping these materials handle stress and age more slowly. Factories count on it to keep products durable from the plant to the end user. According to industry reports, antioxidants can double the life span of everyday plastic goods. While working with small manufacturers, I’ve seen firsthand how products without the right stabilizers piled up as defects, causing huge losses. Using the right antioxidant keeps these problems in check and supports public safety.
Cosmetics: Guarding Quality for Longer
Cosmetic companies use Enox TBEC in lotions, creams, and certain lipstick formulas. Fats and oils in beauty products turn rancid over time, especially in warm climates or under bright store lights. The antioxidant slows chemical breakdown, so the final product stays fresh, stable, and safe to use. Brands that skip this step often see complaints about unpleasant smells or changes in texture well before a product’s labeled expiration date. Quality control teams rely on antioxidants to keep their reputation strong, especially in markets where hot summers are the norm.
Lubricants and Fuels: Fighting Breakdown on the Molecular Level
Engines work hard under heavy loads and high temperatures, which speeds up chemical reactions inside lubricating oils and fuels. Without antioxidants, these fluids form sticky deposits or turn acidic, damaging engines. Enox TBEC helps motor oil last longer between changes and supports stable fuel storage. Testing by automotive researchers points to better long-term engine performance and fewer breakdowns when antioxidants get used at the right dose. This means less maintenance, lower repair bills, and increased reliability—advantages valued by commercial fleets and everyday drivers alike.
Industrial Resins and Adhesives: Holding Things Together
The adhesives and resins used in woodworking, electronics, and packaging face intense heat during processing and years of exposure. Without the right stabilizers, layered tiles, circuit boards, and furniture glues start to fail. Enox TBEC helps these products maintain their integrity in challenging environments. My conversations with production supervisors reveal that switching to high-performance antioxidants slashed warranty claims, saving both cash and customer frustration.
Future Needs and Safer Choices
As regulations get stricter and consumers ask tougher questions about additives, it’s important for every industry to choose antioxidants proven by third-party safety reviews. Luckily, published studies and decades of use support Enox TBEC’s benefits, though experts keep searching for cleaner, greener alternatives where possible. Responsible sourcing, ongoing testing, and open communication with customers support long-term trust and innovation.
| Names | |
| Preferred IUPAC name | tert-butyl 2-ethylhexyl peroxycarbonate |
| Other names |
Tert-butyl peroxy(2-ethylhexyl)carbonate
Enox TBEC Peroxydicarbonic acid, 2-ethylhexyl tert-butyl ester TBEC tert-Butyl peroxycarbonate of 2-ethylhexyl |
| Pronunciation | /ˈtɜːrt ˈbjuːtɪl pəˈrɒksi tuː ˈɛθɪlˌhɛksɪl ˈkɑːrbəneɪt ˈiːnɒks ˈtiː.biː.iː.siː/ |
| Preferred IUPAC name | tert-butyl peroxy(2-ethylhexyl) carbonate |
| Other names |
tert-Butylperoxy 2-ethylhexyl carbonate
Tert-Butyl peroxy-2-ethylhexyl carbonate Tert-butyl peroxy(2-ethylhexyl) carbonate ENOX TBEC TBEC |
| Pronunciation | /ˌtɜrtˈbjuːtɪl ˈpɜːrk.si tuː ˈiːθəlˌhɛk.sɪlˈkɑːr.bə.neɪt ˈiː.nɒks ˈtiː.biː.iː.siː/ |
| Identifiers | |
| CAS Number | 146675-77-2 |
| Beilstein Reference | 4786800 |
| ChEBI | CHEBI:88413 |
| ChEMBL | CHEMBL1851989 |
| ChemSpider | 16217729 |
| DrugBank | DB11231 |
| ECHA InfoCard | 03e4a06f-3d4c-4d7a-93da-9634ceb8590b |
| EC Number | 222-995-6 |
| Gmelin Reference | Gmelln Reference: 102142 |
| KEGG | C19194 |
| MeSH | tert-Butyl peroxy-2-ethylhexyl carbonate |
| PubChem CID | 25154859 |
| RTECS number | EJ8750000 |
| UNII | 4O5X1310E5 |
| UN number | 3107 |
| CAS Number | 146675-78-1 |
| 3D model (JSmol) | `CC(C)CCOC(=O)OOC(C)(C)C` |
| Beilstein Reference | 3208732 |
| ChEBI | CHEBI:88379 |
| ChEMBL | CHEMBL1376378 |
| ChemSpider | 14253265 |
| DrugBank | DB16399 |
| ECHA InfoCard | 03c09b18-9be3-4d4b-bb87-2d5ac2ffb5c5 |
| EC Number | 221-110-7 |
| Gmelin Reference | Gmelin Reference: 84104 |
| KEGG | C19263 |
| MeSH | D017240 |
| PubChem CID | 14513507 |
| RTECS number | UJ9005000 |
| UNII | 2W7I51M3GA |
| UN number | 3107 |
| Properties | |
| Chemical formula | C13H26O4 |
| Molar mass | 346.5 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Odor | Characteristic |
| Density | 0.91 g/cm³ |
| Solubility in water | Insoluble |
| log P | 4.87 |
| Vapor pressure | 0.2 hPa (20 °C) |
| Basicity (pKb) | 8.2 |
| Magnetic susceptibility (χ) | -6.4e-6 cm³/mol |
| Refractive index (nD) | 1.414 |
| Viscosity | 15 mPas at 20°C |
| Dipole moment | 2.04 D |
| Chemical formula | C13H26O4 |
| Molar mass | 346.5 g/mol |
| Appearance | Clear liquid |
| Odor | Sharp, pungent |
| Density | 0.94 g/cm³ |
| Solubility in water | Insoluble |
| log P | 3.74 |
| Vapor pressure | 0.15 hPa (20°C) |
| Basicity (pKb) | pKb: 15.2 |
| Magnetic susceptibility (χ) | -7.13e-6 cm³/mol |
| Refractive index (nD) | 1.424 |
| Viscosity | 18 mPa.s (25°C) |
| Dipole moment | 2.24 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 576.8 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -730.1 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -1123 kJ/mol |
| Std molar entropy (S⦵298) | 619.8 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -577.4 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -1092.5 kJ/mol |
| Pharmacology | |
| ATC code | D01AE24 |
| ATC code | D01AE21 |
| Hazards | |
| GHS labelling | GHS02, GHS07, GHS05 |
| Pictograms | GHS02, GHS07 |
| Signal word | Danger |
| Hazard statements | H225, H242, H302, H315, H317, H319, H335, H411 |
| Precautionary statements | P210, P220, P234, P280, P370+P378, P403+P235, P410, P411, P420, P501 |
| NFPA 704 (fire diamond) | 1-4-2-W |
| Flash point | 36 °C |
| Autoignition temperature | 130 °C (266 °F) |
| Explosive limits | Lower: 1.2% Upper: 7.0% |
| Lethal dose or concentration | LD50 (oral, rat): > 5000 mg/kg |
| LD50 (median dose) | LD50 (median dose): Rat (oral) 4,817 mg/kg |
| NIOSH | SN4160000 |
| PEL (Permissible) | PEL (Permissible Exposure Limit) for Tert-Butyl Peroxy-2-Ethylhexylcarbonate Enox Tbec: "Not established |
| REL (Recommended) | 0.05 ppm |
| IDLH (Immediate danger) | Not established |
| GHS labelling | GHS02, GHS05, GHS07 |
| Pictograms | GHS02, GHS05, GHS07, GHS08 |
| Signal word | Danger |
| Hazard statements | H225, H242, H302, H315, H317, H319, H335 |
| Precautionary statements | P210, P220, P234, P235, P240, P241, P261, P264, P280, P321, P362, P370+P378, P403, P405, P410, P411, P420, P501 |
| NFPA 704 (fire diamond) | 1-7-3-3OX |
| Flash point | 41 °C |
| Autoignition temperature | 210 °C |
| Lethal dose or concentration | LD50 (oral, rat): > 5000 mg/kg |
| LD50 (median dose) | LD50 (median dose): Rat (oral) > 5000 mg/kg |
| NIOSH | SN4115000 |
| REL (Recommended) | 7 mg/m³ |
| IDLH (Immediate danger) | Not listed. |
| Related compounds | |
| Related compounds |
Di-tert-butyl peroxide
tert-Butyl peroxybenzoate tert-Butyl hydroperoxide Cumene hydroperoxide 2-Ethylhexyl peroxycarbonate |
| Related compounds |
Enox TBEC
tert-Butyl peroxyneodecanoate Di-tert-butyl peroxide tert-Butyl hydroperoxide tert-Butyl peroxybenzoate |