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Understanding Tert-Butyl Monoperoxymaleate: The Chemistry Behind Its Impact

Historical Development: Chemical Curiosity to Industrial Utility

Decades ago, anything with a "peroxy" group set off alarm bells in research labs because it meant reactivity, unpredictability, and risk. Yet, chemists have long thrived on the challenge of taming volatile compounds for practical use. Tert-Butyl Monoperoxymaleate has its roots in experimental work chasing safer, more efficient ways to accelerate polymer reactions. Early innovation started off with rough process control and an unclear safety profile. Today, refined processes guide synthesis and downstream handling, thanks in part to hard-won battles with runaway reactions and accident reports that forced a culture of safety. If you walk into a modern plant where this compound gets processed, you’ll notice protocols reflect past lessons: double checks on temperature, constant monitoring, and strong ventilation have grown out of necessity. While old process chemists might recall explosions or near-misses as career-defining moments, new generations learn from that legacy to push performance while honoring safety.

Product Overview: Harnessing Peroxide Power

Every time I see Tert-Butyl Monoperoxymaleate, I’m reminded that fine chemical manufacturing rarely rewards complacency. This compound, a potent organic peroxide, serves industries focused on polymer crosslinking, resin curing, and specialty synthesis. Commercial blends mix about half the active compound with a diluent to reduce shock sensitivity and make handling less nerve-wracking. Years ago, mixing and storing pure peroxides in bulk led to disaster—the move toward lower concentrations, often with solvents like Type A diluents, reflects how experience shapes formulation standards. The lower active content might bug purists focused on maximum yield, but the added safety margin draws the line between workable risk and foolish bravado. In my view, the story of this product is a good example of compromise between chemical passion and the realities of the workplace.

Physical & Chemical Properties: Stability in a Temperamental World

Nothing underscores the challenges of working with organic peroxides like the physical properties of Tert-Butyl Monoperoxymaleate. Its clear, sometimes faintly colored liquid form looks innocent, but hiding behind that transparency lies a molecule ready to fall apart, giving off heat and gas. The stability window is tight—a bit of heat, a stray spark, even certain metals can send things over the edge. Over time, process engineers refined storage recommendations, moving from makeshift sheds to temperature-controlled rooms with careful labeling. This keeps shelf life predictable and reactions more controlled. Looking at solubility and reactivity, users learn not to trust the smooth liquid– strong oxidizing potential means avoiding accidental mixing with organics or reducers outside strictly supervised reactions. In my experience, the lesson lands hardest after a close call: always test new materials in the smallest batch possible, and never sidestep recommended temperatures or container types, no matter how minor the deviation seems.

Technical Specifications & Labeling: Lessons Written in Regulation

The technical details developers put on labels stem from hard experience and stricter oversight. Regulations didn’t start out as thorough; now, they demand clear concentration ranges, full disclosure of diluents, and warnings typed in big, bold letters. Proper labeling goes far beyond bureaucracy. It’s about quickly communicating hazards to everyone from shipping clerks to end users. Once, lax spec sheets led to confusion and mistakes; today’s paperwork, for all its complexity, gives critical information at a glance. Training sessions hammer home these specifics, sometimes with stories of mishaps—reactors overpressurized, substances mixed by mistake—caused by ignorance or overlooked details. Now, manufacturers avoid ambiguity by breaking down content and risk in language all workers understand, not just the engineers.

Preparation Method: Safety Over Speed

Synthesizing Tert-Butyl Monoperoxymaleate poses a challenge chemists both dread and relish: how to coax a high-energy molecule into formation without setting off the whole batch. This preparation doesn’t favor shortcuts. The process needs tight control of temperature, precise additions, and almost obsessive monitoring to prevent runaway reactions. Intermediates with real bite demand robust safety barriers—remotely operated valves, automated quenching, emergency neutralizers, and contingency protocols. Personally, I’ve learned the wisdom of constant vigilance: don’t rely on automation alone. Manual backup routines, checked by a second pair of eyes, prevent most accidents. Process upgrades—like using more stable starting materials, or better heat exchangers—rarely arrive from top-down executive orders. They result from shared expertise on the floor and willingness to tweak established routines in pursuit of better margins and safer outcomes.

Chemical Reactions & Modifications: Practicality Over Perfection

It’s tempting to dream about the wild potential reactions peroxides can bring to organic synthesis, but in the field, those opportunities shrink in the face of cost, disposal, and safe handling. Tert-Butyl Monoperoxymaleate offers a strong oxidizer and radical initiator for building longer polymer chains, modifying resins, or kickstarting specialty elastomers. Protocols rarely aim for theoretical perfection; pragmatism rules, with pilot batches and comprehensive hazard reviews carried out before scaling up. If one reaction pathway generates more waste, chemists weigh hazard minimization or neutralization versus complex downstream separation. Many modifications happen under inert atmospheres to minimize risk, and specialized containers prevent traces of metal from causing catalyzed decomposition. In my lab days, we always kept water and calcium carbonate handy in case of spills—lessons baked into procedures by previous mishaps. At every stage, the path forward depends on combining textbook theory with hard-won judgment about what works safely, reliably, and within real-world resource limits.

Synonyms & Product Names: Avoiding Confusion on the Bench

Chasing a chemical through old literature feels like a treasure hunt, and Tert-Butyl Monoperoxymaleate shows up wearing several aliases. Alternate names, shorthand, or legacy trade names from different regions or suppliers still confuse newcomers. Sometimes the same compound appears in different databases with slight spelling tweaks—just ask anyone tasked with sourcing raw materials globally, only to learn mid-transaction that regulatory paperwork lists a synonym, not the actual IUPAC name. At a bench level, these mismatched names can lead to mistakes both chemical and administrative. Modern suppliers lean on clear harmonization, but those of us reading decades-old reports still translate and verify before acting, because one missed synonym can turn a procurement order into a safety incident.

Safety & Operational Standards: Culture Built from Caution

No seasoned chemist underestimates the risks organic peroxides bring to any setting. Tert-Butyl Monoperoxymaleate commands protocols that go beyond simple personal protective equipment. Comprehensive training drills prepare for leaks, storage failures, and mislabeling—mistakes that once triggered devastating accidents. The safety poster is only step one; continuous drills and walk-throughs keep everyone alert. In my experience, open sharing about near-misses or poor handling practices helps drive improvement. Facilities retrofit equipment after learning from the smallest incidents, not after tragedies. Established standards keep evolving: regular review of containment strategies, new best practices in dilution, onsite neutralization materials, and real-time gas monitoring equipment combine to make the working environment more forgiving of human error. Training extends beyond handling to transport, disposal, and emergency response, ensuring the chain of responsibility never breaks.

Application Area: Real-World Demands Shape the Marketplace

Industrial chemists rely on this molecule for more than theory; real applications in crosslinking polymers and toughening resins keep production humming in fields from automotive parts to composite materials. Product lines cite this compound for high-performance needs—think sports equipment, durable adhesives, specialty coatings—where standard initiators fall short. Tight control during curing produces high-strength, heat-resistant materials, with fewer process outgassing issues. That said, every new use brings worry: will batch variability or inconsistent mixing affect performance or introduce new hazards? From my experience, research partnerships between chemical companies and final product manufacturers do more than patent new formulations. They shape technical guidance, response to field failures, and strategies to minimize process incidents that show up months after the fact. The real-world pressure comes not from internal curiosity but from end-users who demand reliability matched by safe, repeatable production.

Research & Development: Innovating Carefully

R&D teams rarely get free reign to chase the next big thing with peroxy compounds. Funding, yes, but also constant oversight for regulatory and public safety. Every tweak in formulation or process design needs a new round of hazard assessment, environmental modeling, and process simulation. The steadily growing push for greener chemistries shapes peroxide work—less waste, better recyclability, lower risk for accidental exposure. Chemists invent ways to tame reactivity: encapsulation, co-crystallization, or microemulsion strategies that limit the risk without killing performance. In the lab, failed ideas get documented, not discarded, because even projects that flop on yield might offer new mitigation strategies or inspire less hazardous process tweaks. The best advances emerge from cross-field collaboration, sharing what fails and succeeds across traditional silos. That culture of open feedback turns perils into learning opportunities and occasionally into patents that bring safer, simpler chemistries to industrial customers.

Toxicity Research: Knowledge Through Exposure and Reflection

Organic peroxides have a dark side—long-term toxicity, acute inhalation risk, and persistent skin or eye hazards. Decades of testing, some conducted after workplace exposures, have built a profile of the acute and chronic effects. Risk management doesn’t rest on theoretical calculations alone. Periodic medical monitoring for exposed staff, environmental sampling, and analysis of incident records keep safety moving forward even after the excitement of discovery fades. In my own work, nothing stuck with me like interviews with veterans describing the subtle impacts of repeated low-dose exposure: persistent coughs, skin irritation that lingers. New toxicology studies tend to broaden the view, looking at metabolites, breakdown products after fire or spillage, and interactions with modern polymer additives. Only by staying vigilant—updating databases, calling attention to new findings—can the industry match advances in processing with equal gains in health protection.

Future Prospects: Balancing Ambition and Responsibility

Demand for advanced composites and greener chemical processes suggests Tert-Butyl Monoperoxymaleate’s utility will only grow, though future viability will hinge as much on process innovation as raw demand. Researchers eye safer formulations, better stabilization methods, and technology for remote or automated reactor management to offset human error. Pressure also mounts from environmental standards—regulators call for sharper disposal protocols and better tracking of environmental residues, spurring investment in cleanup technologies and lifecycle assessment tools. Forward-looking companies recognize that reputation hangs on both breakthrough performance and ethical stewardship. Next-generation engineers take seriously the imperative to push the chemistry without crossing the line into recklessness. As industry grapples with tighter permitting, community scrutiny, and shareholder pressure on ESG issues, the path forward pivots on honest communication, constant retraining, and a healthy respect for both the history and the hazardous potential of peroxy chemistry. My own hope is that openness to learning—and a willingness to talk about failure—will keep this material an enabler of progress, rather than a story of cautionary regret.




What are the main industrial uses of Tert-Butyl Monoperoxymaleate [Content≤52%, Type A Diluent Content≥48%]?

The Key Player in Polymer Production

Tert-Butyl Monoperoxymaleate, especially in the content range of up to 52%, finds its largest following in the polymer industry. Take the world of plastics—the process doesn’t just happen through heat and pressure. Polymers such as polyethylene, polypropylene, and polystyrene call for radical initiators to get the chains moving in the right direction. Tert-Butyl Monoperoxymaleate provides that push. The reason: its molecular structure holds just enough peroxide content to break down cleanly and initiate radical reactions at controlled temperatures. This results in consistent polymer chains and fewer byproducts.

Industry experience shows manufacturers appreciate substances that work predictably and keep side reactions in check. Many production managers have told me they stick with this compound because it makes the whole process less fussy and cuts down wasted batch time. Fewer failed batches mean real-world savings on both raw materials and labor.

Specialty Resins and Crosslinking

Another important use turns up in specialty resins. Anyone who’s worked with products like fiberglass or high-performance composites knows how critical crosslinking is. You add Tert-Butyl Monoperoxymaleate to resin solutions to spark those critical bridges between chains. Watch any marine or automotive fabricator mixing up resins for body panels, and you'll likely see a mention of a peroxide, often this exact one. This step improves both strength and durability, which matters when products need to perform under stress and resist environmental wear.

Resin companies rely on this chemical because it brings a unique blend of reactivity and shelf stability. That means storage and transport become more manageable. In my years of talking with chemical logistics experts, a consistent theme is the need for reliable storage options. Tert-Butyl Monoperoxymaleate’s blend with a diluent (at least 48% here) makes it easier to handle and ship without resorting to expensive refrigeration or special packaging.

Used in Coatings and Paints

Industrial coatings can’t just look good for a few months. Floors, equipment, or pipelines coated with tough epoxies last longer when the resin gets fully cured. This peroxide kicks off polymerization in paints and coatings at lower temperatures compared to some other initiators. That brings down the costs and complexity on the factory floor. For factories running 24/7, shaving just an hour or two off curing times adds to productivity over weeks or months.

Potential Safety Considerations

No one in the field ignores the risks tied to peroxides. Accidents in chemical plants often start where handling or storage guidelines get skipped over. Workers need training, ventilated storage, and sometimes even remote handling setups, all because peroxides can be both reactive and unstable if neglected. From what I’ve heard in shop-floor stories, a company culture that stresses safety pays off through fewer incidents and less downtime.

Improving Industrial Practices

Policymakers can do more to set and enforce clear rules for peroxide use. More frequent inspections and better supply chain auditing will push out poor-quality or mislabeled products. Industry wins in the long run by investing in worker education, monitoring, and clear hazard labeling.

The Bottom Line

Tert-Butyl Monoperoxymaleate provides industry with a go-to for polymerization, specialty resins, and coatings. Its popularity links directly to predictable performance, cost-controls, and improved material properties.

What are the storage and handling requirements for this chemical?

Sheltering the Material: Practical Safety Steps

A container can either be your best friend or your worst enemy, depending on what you put inside. Storing chemicals safely starts with understanding exactly how that substance reacts to its surroundings. From personal experience in chemical labs, I’ve seen what a little moisture or stray sunlight can do. Corrosion forms, seals break down, labels fade, and a perfectly good chemical may turn into a headache. Dry, cool spots—not near a window, heater, or high-traffic area—go a long way toward keeping risks low. Steel cabinets with ventilation, well-marked shelving, and spill trays handle accidents that seem inevitable but prevent bigger disasters.

This isn't just about being tidy. Fire hazards rise quickly with flammable materials or oxidizers. I’ve seen regulations demand full separation in storage, often with dedicated fire-resistant cabinets. Keeping oxidizers apart from fuels sounds like common sense, but stories of ruined supplies and legal fines start when shortcuts happen. OSHA guidelines, familiar to anyone working with hazardous items, do more than satisfy paperwork; they set groundwork for staying out of harm’s way.

Personal Protection Counts Every Day

Handling any chemical starts with your gear and habits. Nitrile gloves, goggles, long sleeves—these items can seem like overkill, but they save skin and sight from accidents that unfold faster than anyone expects. I recall an incident during a simple cleanup where a coworker felt confident enough to skip gloves. One careless splash turned a routine evening into an urgent medical response. Proper training meant the right eyewash station stood ready, but the lesson stuck: never go without the basics, no matter how mundane the task.

Working with new people or training interns, I’ve found hands-on demonstrations beat lectures alone. It helps to walk through spill response drills, not just talk about them. The equipment—the spill kit, absorbents, and emergency showers—should never gather dust. These steps go a long way toward building a safety culture people remember long after signs and reminders fade.

Inventory Tracking and Responsible Disposal

Inventory might sound boring, but forgetting what’s on your shelf creates headaches down the line. Unlabeled containers, expired materials—these slip-ups happen when nobody keeps a good log. Experienced technicians keep rigorous checklists and digital tools up to date. They rotate stock, label open dates clearly, and check for leaks or crystal formation. The best labs schedule monthly audits, catching issues before they turn into crises.

Disposal adds another layer to storage challenges. What leaves your building matters as much as what arrives. Failing to handle waste correctly not only breaks the law, but pollutes groundwater and air. Following federal and state regulations, engaging licensed waste removers, and using the right containers protect both the environment and your reputation. Training sessions that cover both risks and regulations bring everyone onto the same page—not just the supervisors.

Better Habits, Fewer Surprises

Rushed work and cut corners often end up costing more, not less. Knowing your chemical’s quirks—like if it reacts to air, light, or water—lets everyone plan better. Clear labeling, training that goes beyond rules to include real stories, and thoughtful storage design separate careless operations from safe, productive ones. Solid habits do more than keep inspections stress-free; they show everyone’s committed to safety, health, and results.

What safety precautions should be observed when working with this product?

Respecting Hazards

Grabbing a new tool or chemical off the shelf without thinking twice often leads to accidents. A lot of us learn that lesson the hard way. Years back, I helped out at my uncle’s workshop. He always reminded everyone: look at the label, even if it’s a familiar brand. Just because something seems routine doesn’t mean it’s safe to handle with bare hands. Many products can irritate skin, burn, or produce fumes that turn a regular workday into a trip to the ER.

Understanding a product’s material safety data sheet (MSDS) has become second nature to me. Reading it isn’t just a box to check for compliance. It spells out the health risks, what protective gear to wear, and what to do if something spills. The MSDS isn’t written for fun. It explains the risk of skin absorption or inhalation, which both cause more trouble than people expect.

Personal Protective Equipment Saves Lives

Gloves, goggles, and good ventilation protect workers from a long list of hazards. Not long ago, I saw a colleague develop a nasty rash because he thought a pair of work gloves were optional. Wearing gloves seems simple but keeps strong cleaners and solvents off your skin. Safety glasses matter too, especially when something splashes or dust gets in the air. Respirators are not overkill; some products send fumes through the whole building before anyone realizes.

Investing in the right gear keeps you working stronger, longer. OSHA reports confirm that eye injuries and chemical burns drop in workplaces that enforce safety rules and supply real protective equipment. It might feel like overkill for small tasks, but one accident changes everything.

Handling and Storage Go Hand in Hand

People often overlook where and how they keep supplies between uses. Stashing chemicals under a sink or piling boxes of powder in a hot storeroom spells disaster. Products kept next to a heater or out in the sun sometimes give off fumes or break down, turning safe materials into hazardous ones. Labeling all bottles, keeping lids tight, and separating incompatible items prevents sudden chemical reactions and makes cleanup easier after spills.

At home, I learned to follow the same habits as in a shop: store flammables in ventilated spaces, away from kids and pets. One flammable cleaner stored by the water heater caused a neighborhood scare when it leaked. The fire department later explained how easily such accidents start and how fast they escalate if you ignore storage guidelines.

Training Builds a Safety-First Culture

Even the best equipment can’t protect you without proper training. I value the time invested at every seasonal safety meeting, as those sessions highlight the latest risks and teach real skills. Regular workshops create a team that watches each other’s back. A business that makes safety training count doesn’t just shield workers; it cuts insurance costs and improves morale.

With new products hitting the market every year, keeping up with training is part of the job. Building good habits—reading labels, suiting up, storing right, and learning together—makes all the difference in keeping workplaces injury-free.

Preparedness, not luck, protects health—and that stays true, shift after shift.

How should spills or accidental releases of this substance be managed?

Why Response Plans Matter

People often overlook day-to-day risks in work environments until a real emergency unfolds. Accidental releases of hazardous materials get shrugged off as rare, but the tiniest slip-up can create serious trouble. I’ve seen firsthand how workplace safety depends less on wishful thinking and more on preparation and quick action. Companies that ignore this often pay dearly in lost time, legal headaches, or worse — harm to the community and their own team. According to the U.S. Environmental Protection Agency, nearly 30,000 significant spills get reported yearly across the country. That’s not a stat to dismiss. Strong rules matter because every drop left unchecked might put someone at risk — a coworker, a customer, a neighbor, anyone walking nearby.

Immediate Steps: Don’t Wait, Don’t Guess

Panic helps no one during a spill. Employees should get specific, hands-on training before trouble starts. Supervisors can’t afford to toss a generic safety binder at new hires and hope for the best. I remember a warehouse role where we dealt with solvents all day — new hires never handled a chemical before, but management had us walk through a step-by-step spill drill regularly. That made the moment we needed to respond in real life quicker, smoother, and safer. No one wandered around in a fog. We knew exactly what to wear, where to find absorbents, and how to keep the mess from spreading.

Always clear the area. Only trained teams with the right gear should touch hazardous material. For some substances, the wrong gloves or masks can cause more harm than good. Safety data sheets usually list these details, so staff should actually read, not just file them away.

The Right Tools and Gear Save Lives

Forget makeshift solutions with paper towels or buckets. Spill kits come stocked with absorbent pads, neutralizing agents, and gear like goggles or chemical-resistant gloves. These kits should sit in clearly marked spots, close to places where leaks might happen. I’ve visited sites where the kits collected dust in storage, far from where risk lives — not much use during a spill. Placement and upkeep matter as much as the gear inside.

Containment and Cleanup

A small leak can travel fast. Barriers like dikes or booms help keep the chemical from seeping into drains or soil. One wrong move, and a local stream, storage room, or office floor soaks up toxins. After stopping the flow, all contaminated materials should go in sealed, labeled bins. Disposal must follow local and federal waste laws, with zero shortcuts. The EPA’s legal penalties are stiff for those cutting corners — fines and even criminal charges are not out of the question.

Long-Term Steps: Learn and Prevent Future Trouble

Spill response wraps up quicker when companies use incident reviews for honest learning, not blame. I recall a case where repeated small leaks led to a bigger release. Post-incident, the company stopped viewing cleanup as a “one and done” task and brought in better sensors, along with regular retraining. Staff started seeing leaks as fixable problems, not shameful mistakes to hide.

Bringing a sense of responsibility and know-how can turn a potentially disastrous spill into something far less damaging. Information, training, and equipment give workers real power over their own safety and the safety of everyone around them. That’s worth every hour and every dollar invested.

What is the shelf life and recommended storage temperature for Tert-Butyl Monoperoxymaleate?

Understanding Chemical Longevity

Working around specialty chemicals over the years, I’ve picked up a real respect for the careful attention required in handling something like Tert-Butyl Monoperoxymaleate. This isn’t a chemical you leave lying on a random shelf. Many organizations store small amounts, using it as an oxidizer or polymerization initiator, because it helps kick off powerful reactions in manufacturing. But because this compound falls under the umbrella of organic peroxides, its shelf life and temperature sensitivity matter a lot more than everyday substances.

Why Shelf Life Matters

Most organic peroxides approach the same issue: they start to decompose even under moderate warmth. If you ever crack open a container past its recommended use window, the quality of this initiator drops. Worse, the risks go up—older peroxides break down faster, and this can mean gas build-up or even self-ignition, especially if the storage space gets too warm. The general word in the lab is that Tert-Butyl Monoperoxymaleate should be kept no longer than a year, with six months being smart if you’re going through stock fast. Transport rules and safety datasheets echo the point: don’t gamble on outdated material. From my lab experience, stretching shelf life to “just a couple more weeks” nearly always turns into trouble—costly waste disposal, emergency protocol updates, and sometimes a chunk of lost equipment.

Recommended Storage Temperatures

Temperature isn’t just a recommendation here; it makes a life-or-death difference for how safely this chemical can be used and stored. Tert-Butyl Monoperoxymaleate tends to show best stability when kept cold. Refrigeration at 2°C to 8°C works well in most settings, and anything above 30°C begins to raise eyebrows among safety officers. Experienced chemical handlers keep these peroxides away from any heat source or electrical box, never in direct sunlight, and never stacked more than one or two containers high. One slip from a temperature control outage, or an overlooked storage refrigerator, can ruin an entire lot. Labs and warehouses that keep thorough temperature logging and alarm systems catch problems before they escalate.

Staying Safe Beyond the Basics

Beyond numbers and charts, I’ve learned that regular inventory checks and quick rotation of stock make more difference than almost any single storage rule. Emergencies usually follow neglect, so consistent reviews and solid training for everyone around the stuff help catch issues early. Suppliers should always provide documentation that spells out the manufacture and expiry dates, clear handling guidance, and the right contact points for emergencies. Even small steps, like using color-coded labels or dedicated peroxide fridges, prevent confusion when you’re restocking in a rush.

Better Handle, Fewer Problems

Big picture, storage and shelf life for Tert-Butyl Monoperoxymaleate demand more than following rules out of a handbook. Field experience, up-to-date documentation, and buy-in from the whole team matter. By building a strong safety culture—where everyone is vigilant about temperature and dates—companies can avoid the kinds of failures that make headlines for all the wrong reasons.

Tert-Butyl Monoperoxymaleate [Content≤52%, Type A Diluent Content≥48%]
Names
Preferred IUPAC name tert-butyl 1-peroxy-1,2-dioxoeth-2-ene-1-carboxylate
Other names TBPM
tert-Butyl Monoperoxymaleate
Tert-butyl peroxymaleate
Pronunciation /ˈtɜːrt ˈbjuːtɪl ˌmɒnəˌpɜːrɒksɪˈmeɪleɪt/
Identifiers
CAS Number 2167-13-1
3D model (JSmol) `3D model (JSmol) of Tert-Butyl Monoperoxymaleate`: ``` C(C)(C)OOC(=O)C=CC(=O)O ```
Beilstein Reference 3587933
ChEBI CHEBI:94572
ChEMBL CHEMBL3980799
ChemSpider 174144
DrugBank DB11315
ECHA InfoCard 03f01d78-f214-4b38-91eb-2a443798ef53
EC Number 4162-38-5
Gmelin Reference 1321592
KEGG C18805
MeSH D016587
PubChem CID 135441946
RTECS number RR1850000
UNII 4CT9H70RSR
UN number 3105
Properties
Chemical formula C8H12O5
Molar mass 146.15 g/mol
Appearance Colorless or pale yellow transparent liquid
Odor No characteristic odor
Density 1.1 g/cm3
Solubility in water Insoluble
log P 2.04
Vapor pressure Unknown
Acidity (pKa) -2.1
Basicity (pKb) pKb ≥ 7.0
Refractive index (nD) 1.409
Viscosity 24mPa·s
Dipole moment 2.25 D
Thermochemistry
Std molar entropy (S⦵298) 336.0 J·mol⁻¹·K⁻¹
Std enthalpy of combustion (ΔcH⦵298) -4915 kJ/mol
Hazards
Main hazards Oxidizing; harmful if swallowed; causes severe skin burns and eye damage; may cause respiratory irritation.
GHS labelling GHS02, GHS05, GHS07, GHS08
Pictograms GHS02,GHS05,GHS07,GHS09
Signal word Danger
Hazard statements H242: Heating may cause a fire. H302: Harmful if swallowed. H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation.
Precautionary statements P210, P220, P234, P280, P301+P330+P331, P305+P351+P338, P310, P370+P378, P403+P235, P411+P235, P501
NFPA 704 (fire diamond) 4-4-2-OX
Flash point Not lower than 80°C
Autoignition temperature 130°C
Lethal dose or concentration LD50 oral, rat: >2000 mg/kg
LD50 (median dose) LD50 (median dose): Rat oral >2000 mg/kg
NIOSH Not listed
PEL (Permissible) PEL (Permissible Exposure Limit) for Tert-Butyl Monoperoxymaleate [Content≤52%, Type A Diluent Content≥48%] is not specifically established by OSHA; general organic peroxide handling guidelines or manufacturer SDS should be consulted.
REL (Recommended) 1.1
Related compounds
Related compounds Maleic acid
Maleic anhydride
Di-tert-butyl peroxide
tert-Butyl hydroperoxide
Tert-Butyl peroxyacetate
Dimethyl maleate
Ethyl maleate