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Butyl acrylate did not arrive suddenly on the scene. Early chemists tinkered with esters of acrylic acid as far back as the 19th century, searching for ingredients to make paints tougher and glossier. You can see traces of this in how the plastics and coatings industries expanded after World War II. During the rapid industrialization boom, companies grabbed onto butyl acrylate for its flexible backbone and its ability to make products tougher but still easy to handle. Chemists noticed that combining butyl acrylate in the growing world of polymer science could create adhesives that stick even under tough conditions, and paints that flex with changing temperatures. So, from the beginning, BA tied itself to everyday products most people don’t even think much about.
Looking at butyl acrylate, you see a clear, colorless liquid with a fruity odor. To someone in a lab coat, it means C7H12O2, with a low boiling point around 145 degrees Celsius and a density just a bit lighter than water. For most people, these specs say little, but anyone who’s worked in a paint factory or a flooring plant can recognize the sharp, almost sweet smell. Butyl acrylate brings a unique balance: its large butyl group keeps the resulting polymers soft and bendable, which lets manufacturers create acrylic dispersions for paints, fabrics, and papers that remain flexible instead of cracking in the cold. It dissolves well in a range of solvents, staying stable unless pushed to react with acids, bases, or oxygen. Unlike heavier, bulkier chemicals, butyl acrylate has just the right combination of reactivity and stability to make it adaptable without being a headache to handle—at least with the right protocols in place.
Every drum of butyl acrylate should come with details like purity—usually over 99 percent for industrial use—plus water content, acidity, and color. Having spent time around shipping docks and chemical batch houses, it’s clear how crucial clear labeling becomes. No one wants a mix-up where a lower-purity BA sneaks into a high-end paint or where an overlooked acidity spike ruins a polymer batch. Labels in most places show its UN number and hazard tags due to its flammable nature and skin-irritating vapors. Factories don’t take these warnings lightly. Regulations urge clear, bold signage to keep even short exposures from becoming health problems among workers.
Making butyl acrylate usually runs through the esterification of acrylic acid with butanol. This process is old-school chemistry at its core, but improvements over decades let producers push yields up and cut down on by-products. Anyone who has worked with distillation knows how sensitive reactions like these can be to water, heat, and even the slightest contamination. The resulting BA serves as a building block—its double bond eager for polymerization. In the plant, BA copolymerizes with methyl methacrylate or vinyl acetate, crafting plastics, flexible adhesives, and specialty coatings. Chemical tinkerers have used it to explore new types of pressure-sensitive adhesives and latex paints that can handle abuse, whether from a child’s messy hands or harsh winter climates.
Across catalogs, you might find butyl acrylate under different names like n-butyl acrylate, butyl ester of acrylic acid, or just BA. In the lab or on the factory floor, most workers drop the long-winded names for whatever’s fastest—but you can bet safety officers will spell out the full name in official paperwork. This shorthand often makes troubleshooting or cross-checking between suppliers a headache because dealing with multiple synonyms can easily lead to miscommunication unless teams pay close attention.
BA offers plenty of benefit, but it demands respect. My years in manufacturing environments have shown that shortcuts here create real problems. Its vapors irritate skin and eyes; inhalation over time can make working in poorly ventilated areas unbearable. Proper gloves, goggles, and constant airflow stand as non-negotiable. The threat of fire, ever-present with flammable liquids, makes grounded pumps and vapor control standard in storage and transfer. Most places rely on strict OSHA guidelines and, in the European Union, REACH regulations. Investors pushing for growth in the chemical sector can’t ignore the hefty investments in ventilation, containment, and worker training that real safety entails.
Try explaining to someone in a hardware store why paints now resist fading and flex rather than peeling—chances are, BA plays a part. Take carpets, floor tiles, or labels that must stick firmly yet peel clean—polymers derived from BA fit the bill. Textile finishers use it in coatings that let fabrics shrug off stains or moisture. Paper mills blend it into dispersions for specialty finishes on magazine covers or product packaging. Even pressure-sensitive adhesives, the ones keeping sticky labels on soda bottles despite condensation, owe much of their staying power to butyl acrylate chemistry. Demand has only risen as e-commerce grows—every package that stays sealed in shipment owes something to developments in BA-based adhesives.
On the R&D front, researchers dig deeper into ways to tweak butyl acrylate molecules for greater performance. They look at making polymers stickier or tougher, at reducing volatile emissions during application, or at improving biodegradability to meet tightening environmental rules. Biobased routes, using raw materials like bio-butanol or acrylic acid from renewable sources, draw increasing interest. It’s a slow road from lab to full-scale production, but with pressure mounting to reduce reliance on fossil fuels, chemical producers experiment with cleaner routes for making BA. Research also aims to fine-tune polymerization, so less waste or by-product comes out of each batch, which not only lowers risks but also cuts the footprint of the whole operation.
For a chemical so widespread, BA draws regular scrutiny about its health effects. Short-term exposure can quickly irritate eyes or lungs, something anyone in quality control or maintenance knows firsthand if ventilation fails. Animal studies point to toxicity risks at higher exposures, including effects on the liver and kidneys, which keeps occupational exposure limits under review. Chronic risks haven’t shown strong links to cancer in people, but regulators keep a close watch. Safety teams lean hard on air sampling, regular medical surveillance, and worker rotation in high-volume plants, knowing that no shortcut ever justifies a health gamble.
With industry driving for higher sustainability and regulators turning up the heat, BA faces both opportunity and scrutiny. Markets in Asia continue expanding, given the boom in construction and automotive manufacturing. Regulators and consumer watchdogs call for tighter emission limits and greener chemistry, so the companies willing to adapt will most likely shape the future. People in the field know that innovation—be it smarter production, safer handling, or better end-of-life recyclability—isn’t just a feel-good catchphrase. Chemical companies who keep their edge in developing safer, more sustainable BA stand to benefit, not just to keep market share but also to answer ethical calls for cleaner, safer products. Every time you peel a label, step onto new flooring, or use weather-resistant paint, some of that change sits right underfoot—proof that progress in chemistry always finds its way into daily life.
Butyl Acrylate goes by the nickname BA in industrial circles, and it keeps showing up in all sorts of daily products. Most folks don’t realize they’re likely using things built from BA practically every day—maybe even right now. Years ago, I’d never heard of it either, but while working in paint shops and talking with people in the plastics business, I started seeing just how common it really is.
Take a stroll through any hardware store and pick up a can of house paint. Flip it around, and you’ll spot that it’s based on acrylics—often including BA. BA helps create that trademark smooth finish and gives water-based paints durability and flexibility. Sunlight, moisture, and everyday knocks don’t faze paints with BA in them. If your outdoor deck has survived more than one wet winter, there’s a decent chance BA played a role in that toughness.
Soft plastics for things like adhesives, coatings, and sealants rely on BA. We’re talking about the stretchy labels on grocery items, the goo that holds layers of your favorite sneakers together, and even some faux leather. By giving plastic these stretchy, bend-don’t-break characteristics, BA cuts down on brittle products that crack too soon and end up in the trash. That’s both good for the wallet and helps ease pressure on overflowing landfills.
If you’ve ever used a heavy-duty tape or stuck a label that actually stays put, odds are BA had a role. BA’s chemistry lets adhesives cling to a huge range of materials, from cardboard to plastic to glass. Since it resists peeling and yellowing, packages survive long shipping routes and storage without falling apart. That really matters in logistics and e-commerce, where returns and replacements drive up costs and waste.
Water-repellent coatings on camping gear and work clothes? Same hero chemical. Through copolymers with other acrylates, BA helps form barriers against rain and stains. That’s got real safety value for outdoor workers and brings comfort when roughing it in the woods.
Not everything about BA is rosy. Its manufacture and use involve risks, mostly for the folks working at production plants. Health agencies have flagged it for eye, skin, and respiratory irritation. Spills and poor handling can hurt people and wildlife. This points to the need for safety training and reliable personal protective equipment. On top of that, producers working on cleaner chemistry and more efficient processing can help. Techniques like closed systems and proper recycling save material and limit exposure, so the benefits stretch further with less waste.
BA shows up in places most people don’t notice: paints, adhesives, coatings, and textiles. With all its uses, it pays to handle this chemical with some care and a clear plan for improvement. Smarter manufacturing and tighter safety rules can shape a future where the power of BA makes life smoother, safer, and just a bit less wasteful.
Butyl acrylate often shows up in adhesives, paints, and plastics. Those who spend time around chemical plants or manufacturing floors know its strong, almost fruity odor. The fumes pack a punch, quick to irritate eyes and lungs. Getting careless with containers or open drums can mean feeling the sting of vapors before you even realize what's happening.
This chemical can bother skin and eyes with just a splash or quick contact. Breathing in vapors brings on coughing and a scratchy throat. People exposed again and again often develop headaches and skin rashes that take time to heal. The liquid evaporates fast, so fumes collect easily in closed spaces, posing a risk long before anyone sees a spill. The stuff’s also flammable, and vapors ignite with a simple spark.
PPE offers the first line of defense. Nitrile gloves, long-sleeved shirts, and chemical-resistant aprons protect skin from direct contact. Splash goggles block irritating vapors and help with splash hazards. Organic vapor respirators become necessary when ventilation falls short. With PPE, avoid shortcuts—folks who think a quick pour needs no gear usually end up with burns or worse.
People who work in cramped shops or labs think opening a window is enough. Butyl acrylate’s fumes spread fast and stay heavy in the air. Mechanical exhaust systems pull vapors away from workers and prevent dangerous buildup. Setting up extraction hoods above pouring or mixing stations makes a big difference for lung health. It’s easy to notice headaches fading once clean air starts circulating properly.
Drums and bottles of this chemical need storage in cool, dry areas, far from heat, sparks, or open flames. Keeping lids tight keeps vapors in check and helps prevent accidents. Absorbent pads, neutralizing agents, and sturdy containers for waste give workers the tools needed to manage small spills on the spot. Quick cleanup limits exposure. In my own experience, confusion during a spill always stems from unclear cleanup plans—labels and instructions posted where spills happen cut that confusion down.
Butyl acrylate burns easily, so fire extinguishers—class B types—must stay close to where anyone handles it. Smoking and careless flame use turn a routine transfer into an emergency in seconds. A good safety practice means grounding drums and containers during transfers to stop static sparks.
Every worker benefits from hands-on practice, picking up spills and using safety showers before facing a real emergency. Regular safety meetings keep knowledge sharp. Posting emergency phone numbers and spill response steps near storage rooms makes sure nobody loses time in a crisis. I've watched green workers panic and scatter during chaos; clear instruction and a practiced response plan keep people safer every time.
Taking precautions goes beyond compliance rules—nobody wants to bring harmful fumes home on their clothes or end up in the clinic with burns. Real safety comes from daily habits, shared responsibility between workers and supervisors, and up-to-date resources. The extra effort put into protective gear, solid training, and proper storage always pays off in a safer, more comfortable workplace for everyone.
Butyl acrylate shows up with the chemical formula C7H12O2. That’s seven carbons, twelve hydrogens, and a couple of oxygens. What stands out isn’t just the collection of letters and numbers, but the way these elements shape so much around us — in everyday products, in industrial environments, and sometimes, in the air we breathe.
From paint on classroom walls to the finish on home furniture, butyl acrylate doesn’t stay hidden behind factory doors. You find it in adhesives that fix broken shoes, plastics in lunchboxes, and coatings that keep cars shiny in the worst storms. If you pick up a flexible plastic or walk down a freshly painted hallway, chances are, molecules of butyl acrylate helped get those jobs done.
Being an ester, butyl acrylate’s structure allows it to mix well with many substances and helps deliver characteristics industries count on: weather resistance, flexibility, and a shiny, smooth finish. The way its atoms join gives manufacturers a shortcut to a lot of what they need, making it a popular building block in the world of polymers — especially the kind used in paint binders and pressure-sensitive adhesives.
Having spent enough time talking to folks in manufacturing — and working on site myself — I’ve seen up close how health and safety crews watch butyl acrylate levels like hawks. This chemical carries risks if mismanaged. Short-term exposure, especially without good ventilation or proper gloves and masks, brings eye, skin, and respiratory irritation. Long-term? That’s a big concern among plant workers, because repeated exposure leads to more severe health issues, including chronic headaches and possible nervous system trouble.
Data published by organizations including the Centers for Disease Control and Prevention point to safe handling practices and decent protective equipment as key measures in keeping workers healthy. Sometimes, though, shortcuts get taken, especially in older facilities or smaller shops with tighter margins. That’s where real trouble starts.
Runoff and careless spills have landed butyl acrylate in rivers and soil, causing real problems for wildlife and, occasionally, contaminating drinking water. In my own region, a minor leak from a local facility brought out environmental cleanup teams for weeks and left neighbors nervous about their tap water. Research from the Environmental Protection Agency highlights how butyl acrylate breaks down relatively quickly in the environment, but its toxic effects on aquatic life make every spill a risky event.
Better containment and monitoring strike me as common-sense solutions, backed up by plenty of case studies where small investments in new sensors and automated shut-off systems paid off. Workers need frequent, clear training — not hours of paperwork, but hands-on equipment checks, real drills, and quick communication channels with safety crews. Clean alternatives to butyl acrylate don’t always deliver the same results, though I’ve seen promising trial runs with bio-based esters that cut down on risk.
Industry change comes slow, but pressure from regulators, consumers, and workers keeps the spotlight on chemicals like butyl acrylate. Knowing the formula is part of the story. Understanding the bigger picture — from the lab all the way to homes and rivers — points toward choices that protect health and the environment without giving up quality.
People who work with chemicals like butyl acrylate know it’s not the type of product you just throw on a shelf. A little carelessness, and problems show up fast. Butyl acrylate carries a risk of fire, especially if it’s exposed to open flame or sparks. Breathing in its fumes can make you dizzy or sick. Years ago, I saw a shipment get stuck near a steam vent. The whole warehouse reeked for days—a simple example of how a bit of forgetfulness can echo through operations and even nearby neighborhoods.
Steel drums with protective linings work best. Containers with seals that actually keep air out help stop the product from reacting or turning yellow. Butyl acrylate reacts with oxygen and light, and both can creep in through loose caps or thin plastic. Before picking a spot to park your drums, look them over for dents or rusty patches. Don’t leave even a “small” leak unattended. Some years back, colleagues learned this after a slow drip corroded a whole shelf and ruined thousands in inventory. Leaks also turn into fire hazards or release dangerous vapors.
Heat makes butyl acrylate break down fast. A spot in direct sun or beside boiler pipes stirs up trouble, since heat pushes up the internal pressure and can cause bursting. From what I’ve seen, people reach for a back room or a shady warehouse corner, but the best solution is a temperature-controlled room held right between 15°C and 25°C (59°F to 77°F). Lower temperatures decrease fire risk and help stretch shelf life. Leave a drum in freezing weather, though, and you can come back to a dangerous mess. Freezing changes the product’s consistency and sometimes creates cracks in the container, too.
Mixing up chemical storage only looks like a shortcut. Butyl acrylate sits best away from peroxides, acids, and strong oxidizers. I once toured a plant where they’d parked solvents right next to acrylic monomers—bad planning, since a spill could turn a bump or splash into a full-blown emergency. Always block off at least a few meters between this chemical and anything that can react badly with it. Flammable materials deserve their own space, and it pays off to post clear signage and maps for everybody working the floor.
The fumes sneak up quickly, especially in cramped corners. Ventilation should move vapors up and out. Never just crack a window or prop open a door—mechanical exhaust fans take care of fumes, and regular checks keep workers out of trouble. Keep spill kits and protective gear close to the storage area. Gloves, goggles, and masks should sit where people actually need them, not locked up in some back office.
Butyl acrylate ages even when sealed tight. Good practice means labeling every container with the fill date and making sure the oldest drums go out first. Every place I’ve worked that stuck to first-in, first-out saved cash and headaches. Old product sometimes looks fine but won’t perform right in production. Expired drums become unsafe—pressure can build or instability creeps in. It costs less to dispose of old stock safely than to deal with an accident later.
No fancy system beats people who know what they’re doing. Everyone from warehouse staff to janitors should understand the basics of chemical safety. OSHA offers plenty of training materials, and many insurance plans require regular drills. In one factory, monthly checks and drills stopped small problems so they never had a chance to grow. Giving every worker the knowledge and the voice to speak up doubles the layer of security around every drum.
Most people have never heard of butyl acrylate, but it’s all around us. Every time you use a can of house paint, a pressure-sensitive adhesive, or a flexible plastic, you’re probably running into this chemical. The reason it shows up in so many places: it’s a liquid building block for acrylic resins, which shape how a lot of modern products look and act.
I remember a summer job at a small print shop, breathing in the faint, sweet scent from stacks of fresh labels—glue everywhere. Turns out, butyl acrylate was doing the heavy lifting behind the scenes.
Butyl acrylate carries a unique set of physical features. Picture a clear, colorless liquid—sometimes you’ll notice a slight yellow tinge if an old bottle sits on the shelf too long, or if the purity dips. It gives off a fruity, sharp odor. This scent comes not just from the main ingredient, but from small traces of impure bits or stabilizers tossed in to keep it from reacting with itself while in storage.
Pour it into a glass and it flows easily. Its viscosity runs low compared to heavier chemicals, stirring with the light resistance of vegetable oil. Butyl acrylate won’t dissolve in water, forming drops or film instead. Drop it in solvents such as alcohol, acetone, or ether, though, and you’ll watch it vanish—nothing left but a clear, even mix.
The boiling point sits at roughly 145°C. Ordinary stovetops don’t reach that heat, but in an industrial setting, these details matter. One spark above 39°C, its flash point, and the vapors can ignite. That’s why every drum sitting in a warehouse calls for careful labeling and strong ventilation—workers stay safe by knowing exactly what they’re handling.
With a density around 0.89 grams per cubic centimeter, butyl acrylate floats on water. When leaks happen, it spreads across ponds or puddles, creating environmental headaches if cleanup doesn’t happen fast. I remember reading about a rail spill a decade ago—local wildlife took the worst of it. The lesson sticks with you: physical traits on a spec sheet translate to real-world risk.
The way butyl acrylate reacts with temperature and air calls for respect. Under normal air, it can form peroxides over time—those become explosive if allowed to build up. Proper storage means using airtight drums, cool storage areas, and stabilizers to slow rogue chemical reactions. Gloves and masks aren’t just suggestions. Skin absorbs this stuff, and overexposure brings headaches or dizziness. Shops and factories train staff for these risks by drilling best practices each year.
On hot summer days, containers can expand, sometimes warping or leaking if pressure relief valves aren’t in place. The more I learned about chemicals in the workplace, the more I saw how physical traits shape the unwritten rules of everyday handling. Newer, sealed transfer systems and spill containment platforms keep today’s employees safer, even if mistakes happen.
Responsible use of butyl acrylate calls for keeping a sharp eye on its physical behavior, from the moment it arrives at a site to how leftover traces get cleaned up at the end of a shift. Industry groups and safety agencies provide regular training to match the latest science with practical steps on the floor. Ongoing research focuses on less volatile alternatives for the same jobs—so future generations can get the benefits without the risks. Looking at how a simple clear liquid can shape so much of our everyday gear, my respect grows every time I see a new bottle roll off a delivery truck.
| Names | |
| Preferred IUPAC name | Butyl prop-2-enoate |
| Other names |
Butyl 2-propenoate n-Butyl acrylate Acrylic acid butyl ester Butylester kyseliny akrylove |
| Pronunciation | /ˈbjuː.tɪl ˈæk.rɪ.leɪt/ |
| Identifiers | |
| CAS Number | 141-32-2 |
| Beilstein Reference | 3171743 |
| ChEBI | CHEBI:17333 |
| ChEMBL | CHEMBL15949 |
| ChemSpider | 5769 |
| DrugBank | DB14049 |
| ECHA InfoCard | 03e7e4e5-1e3d-4b45-917d-6184996bb6a4 |
| EC Number | 205-480-7 |
| Gmelin Reference | 79061 |
| KEGG | C08314 |
| MeSH | D001982 |
| PubChem CID | 8846 |
| RTECS number | EP1400000 |
| UNII | NPT0O2J26P |
| UN number | UN2348 |
| CompTox Dashboard (EPA) | DTXSYN9225049 |
| Properties | |
| Chemical formula | C7H12O2 |
| Molar mass | 128.17 g/mol |
| Appearance | Colorless liquid |
| Odor | Pungent |
| Density | Butyl Acrylate (BA) Density: 0.898 g/cm³ |
| Solubility in water | Moderate (0.56 g/100 mL at 20 °C) |
| log P | 2.38 |
| Vapor pressure | 4.3 hPa (20°C) |
| Acidity (pKa) | pKa ≈ 25 |
| Basicity (pKb) | pKb = 8.65 |
| Magnetic susceptibility (χ) | -13.54 × 10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.4000 |
| Viscosity | Viscosity: 0.7 mPa·s (at 20°C) |
| Dipole moment | 1.66 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 218.7 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -425 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -2764 kJ/mol |
| Pharmacology | |
| ATC code | No ATC code |
| Hazards | |
| GHS labelling | GHS02, GHS07 |
| Pictograms | GHS02,GHS07 |
| Signal word | Warning |
| Hazard statements | H226, H315, H317, H319, H332, H335 |
| Precautionary statements | P210, P261, P280, P305+P351+P338, P337+P313 |
| NFPA 704 (fire diamond) | 2-2-2-W |
| Flash point | The flash point of Butyl Acrylate (BA) is "approximately 39°C (102°F)". |
| Autoignition temperature | 310 °C |
| Explosive limits | 1.2–8.7% |
| Lethal dose or concentration | LD50 (oral, rat): 3730 mg/kg |
| LD50 (median dose) | LC50 rat 2,940 mg/m³ 4 hr |
| NIOSH | CAZ |
| PEL (Permissible) | 10 ppm |
| REL (Recommended) | 50 - 100 |
| IDLH (Immediate danger) | Butyl Acrylate (BA) IDLH: "300 ppm |
| Related compounds | |
| Related compounds |
Acrylic acid Methyl acrylate Ethyl acrylate 2-Ethylhexyl acrylate Butyl methacrylate |
