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N,N-Dimethylaminoacetonitrile comes from a long tradition of chemical innovation that built the foundations of modern organic synthesis. Turning the calendar back to the rise of industrial chemistry, the drive to find new building blocks for pharmaceuticals and advanced materials set researchers searching for compounds with versatile reactivity. The birth of N,N-Dimethylaminoacetonitrile belongs to this period, shaped by the need to improve yields and streamline synthesis steps in the labs of the twentieth century. I’ve read about early chemists wrestling with less reactive amino compounds, until someone realized that swapping in two methyl groups could boost both stability and chemical agility. Looking through the lens of that history shows invention is often sparked by practical problems. From that spark, this compound found routes into peptide chemistry, crop science, and countless other applied fields even as the science matured.
In the lab, N,N-Dimethylaminoacetonitrile stands out for its unique combination of features. You spot it as a colorless liquid, with a faint but distinct amine-like odor that signals its place among nitrogen-containing organics. What strikes me is its blend of solubility and reactivity—mixing with both water and a wide range of organic solvents, the molecule moves easily between extraction, reaction, and purification. At room temperature, it evaporates more quickly than many related compounds, which calls for careful handling in open vessels. With a boiling point just below 130°C and low viscosity, it fits into automated systems as well as hand-run syntheses. Its structure—a nitrile group connected by a methylene bridge to a dimethylamino moiety—does more than define its shape. It explains why the compound acts as a nucleophile or a precursor in so many scenarios. This versatility doesn’t just matter on paper; it shows its value every day in labs aiming to save time and cut down on harsh conditions.
Specifications are more than just checklists; they enforce consistency and reduce the guesswork chemists face. N,N-Dimethylaminoacetonitrile typically arrives with minimum purity levels hovering around 98%, a benchmark that helps cut down side reactions and keeps lab work reliable. Analytical labels indicate the content, storage conditions—usually cool and shielded from light or moisture—and safety flags, especially flammability and toxicity. Good labeling spares users costly mistakes, especially since a careless spill can lead to inhalation or skin contact. In my work, seeing clear concentration data alongside hazard codes lets me plan both the workflow and the emergency response, a small but crucial detail when handling unfamiliar lots.
Making N,N-Dimethylaminoacetonitrile rarely involves fancy tricks; instead, it’s about maximizing yield and minimizing trouble. The most common method combines dimethylamine with chloroacetonitrile under controlled basic conditions, often in the presence of polar solvents that help dissolve both starting materials and the product. Reaction temperatures steer clear of extremes—too low and nothing happens, too high and byproducts creep in. Once finished, purification by distillation or careful liquid extraction isolates the needed fraction from a sea of impurities. Over the years, researchers shaped greener pathways, using less toxic solvents and recovering both water and organic byproducts for reuse. This attention to process improvement keeps waste streams down and improves operator safety.
Chemists often turn to N,N-Dimethylaminoacetonitrile for its nimbleness in synthesis, especially as a nucleophile or precursor to more complex motifs. Its nitrile group doesn’t just hang inert; under acid or base catalysis, it turns into amines, amidines, or heterocycles, paving the way for complex scaffolds found in drugs, dyes, and even polymers. The dimethylamino group confers electron-donating effects, which make reactions with electrophiles click into place more smoothly. I’ve seen teams in research labs harness this for rapid one-pot syntheses where older reagents would fizzle out. When treated with strong acids or oxidative agents, the molecule can cleave or rearrange, but under gentler conditions, selective transformations become possible, opening the door to countless downstream modifications.
Depending on which catalog or publication you’re reading, N,N-Dimethylaminoacetonitrile answers to a handful of alternative names. Some chemists stick with "DMAAN" as shorthand, others refer to it by its IUPAC entry or use simplified structural depictions like "Dimethylcyanomethylamine." Each synonym reflects a particular angle of its structure or historical context. As I dig through published work or supplier lists, remembering these variants helps avoid duplicate orders or missed cross-references. Accuracy in naming shapes everything from chemical inventory to safety records, a lesson I learned early on after a costly labeling mix-up.
Any discussion about this compound turns serious quick around health and handling. This nitrile’s volatility and amine content demand good ventilation, protective gloves, and splash-proof goggles at minimum. The liquid can cause burns, and even small vapor exposures irritate eyes and lungs. In industrial settings, fume hoods and explosion-proof equipment offer a layer of insurance when scaling processes up. Spills or leaks require spills kits with absorbents rated for organics and a rapid evacuation plan. Safe handling charts and clear storage protocols—segregated from acids and oxidizing agents—limit incidents. Ongoing safety training shouldn’t get treated as a box-ticking exercise, either; regular review makes mistakes less likely even among experienced teams. As more is learned about cumulative exposure effects, routines must evolve to reflect updated hazard data.
This compound finds regular use as a core intermediate for synthesizing pharmaceuticals, agrochemicals, and specialty dyes. Medicinal chemists rely on its functional groups to build heterocycles for candidate drugs targeting pain, inflammation, or infection. In crop science, it enables synthesis of compounds that influence plant health and growth regulators. Dye manufacturers extract value from its reactivity to install color-fast ligands onto synthetic fabrics. From where I sit, this speaks not just to chemical versatility, but also to how supply-chain resilience in these key industries hinges on simple molecules like N,N-Dimethylaminoacetonitrile. In niche research too, exploring molecular electronics or advanced polymer backbones, the organic nitrile sets the stage for new ideas and products.
Innovation around N,N-Dimethylaminoacetonitrile doesn’t stop at its current role as an intermediate. Scientists continue tweaking methods to increase reaction selectivity, reduce hazardous byproducts, and adapt the compound to more sustainable syntheses. One focus is developing biocatalytic pathways that substitute traditional alkyl halides for less toxic or renewable options. Analytical labs work to refine purity verification, using chromatography and spectrometric techniques that flag microimpurities which could trip up high-precision manufacturing. In my view, the biggest changes will emerge at the intersection of automation and green chemistry, where the drive to minimize waste meets pressure for continuous, safe production.
Discussions about N,N-Dimethylaminoacetonitrile inevitably turn to its impact on health and the environment. Toxicity studies highlight risks associated with acute inhalation, ingestion, and dermal exposure—all raising red flags for both lab and industrial operators. Past reports suggest that metabolic breakdown in the body releases compounds that can impede respiration and damage organ tissue. Animal tests documented dose-dependent effects on the central nervous system, and environmental assays show that the compound persists in water, raising concerns about bioaccumulation. I respect that regulators and industrial users give wide safety margins and stress swift remediation of spills. Absorbing newer toxicity data and updating workplace protocols will be a defining challenge for the next decade, especially as new findings surface about chronic exposure.
Looking ahead, the role of N,N-Dimethylaminoacetonitrile seems poised for both continuity and change. As the demand for specialty pharmaceuticals and advanced materials rises, so too does the need for flexible, reliable intermediates. Pioneering greener reaction conditions and more efficient synthesis fits neatly with broader industry shifts. For researchers, the push now involves tuning both the chemistry and the surrounding infrastructure—better recycling, smarter handling, higher standards for occupational health. I’ve watched chemical supply networks learn from past shortages, favoring compounds that offer adaptability and are well-characterized under stress. If progress in sustainable synthesis and hazard reduction continues, this molecule’s legacy in both innovation and responsibility could grow even stronger in the years to come.
N,N-Dimethylaminoacetonitrile might sound like a mouthful, but it’s behind the scenes in a wide range of chemical work. You spot it most in labs where chemists look for speed and precision. This compound pushes chemical reactions forward, especially when people build new molecules for pharmaceuticals, dyes, and fine chemicals. In the grind of making new drugs, speed counts. Synthetic intermediates like N,N-Dimethylaminoacetonitrile offer a shortcut. Instead of piecing together a long molecule step-by-step, chemists bring in building blocks that already have some of the work done. This is exactly what N,N-Dimethylaminoacetonitrile brings to the table.
Pharmaceutical companies in the U.S., Europe, and Asia have leaned on this compound for years. Nitriles have a deserved reputation as flexible pieces in organic synthesis. It’s easy to swap in other chemical groups, like turning the nitrile group into something else down the line. This cuts weeks off the drug discovery stage. That matters—speeding up research can lead to treatments for real-world health problems, whether you’re talking cancer, infections, or neurological diseases.
Back when I worked in an academic research lab, I remember how every new tool helped push us ahead. N,N-Dimethylaminoacetonitrile was one of those “invisible” resources that quietly made a difference. We used it as a coupling partner when building heterocycles, which are a backbone in many medications. I learned quickly how reliable and robust these reactions became once we got our hands on the right intermediates. It’s not glamorous, but improving the foundation lets researchers aim higher. A strong foundation saves time and waste and cuts down on errors. That’s more than just efficiency—it’s stewardship, because cleaner, faster chemistry means less impact on the environment and fewer discarded solvents and reagents.
Any lab chemical, especially ones used at this scale, comes with risks. N,N-Dimethylaminoacetonitrile doesn’t belong outside of controlled settings. If you breathe it, it’s irritating. Contact with skin or eyes can cause injuries. Spills and leaks need careful cleanup, with people wearing gloves and eye protection. In some places, there’s growing discussion about moving toward greener, safer replacements, but until then, responsible handling is key. Researchers keep exposure low with good airflow systems and strict storage rules. Regulatory agencies like the EPA and OSHA push companies to train employees and log chemical inventories. Reliability in practice counts as much as reliability in reactions.
Lately, chemical manufacturing looks for ways to shrink its environmental footprint. The phrase “green chemistry” gets tossed around, but the drive is real. Sustainable methods can mean fewer harsh conditions, safer reagents, or processes that use less energy. Some researchers explore water-based reactions. Others target catalytic approaches that recycle smaller amounts of high-value chemicals. These aren’t just pie-in-the-sky ideas—some companies have cut hazardous waste by half through better chemical choices.
Demand for N,N-Dimethylaminoacetonitrile probably isn’t fading soon. Chemists keep unlocking new uses for it across research and industry. Keeping up with safety training and trying out more sustainable routines offers a balance between practical science and ethical responsibility. After seeing the upside in my own work and the difference small improvements make, I know careful decisions at the bench can ripple out in meaningful ways. Every new advance might start with a familiar bottle on the shelf—but what researchers do with it sets the pace for change.
N,N-Dimethylaminoacetonitrile isn’t a household name, but it shows up in plenty of labs and industrial setups. Its sharp smell and oily feel hint at what it can do and what risks follow. Storage mistakes run deeper than ruined stock—health and safety sometimes hang in the balance. Over the years, I’ve seen sloppy chemical storage end with headaches, vapors in the air, and a pile of extra paperwork. Getting this right keeps a workspace steady and the people inside it out of harm’s way.
Containers with a solid seal form the first line of defense. Polyethylene or glass with tight screw caps work best. Steer clear of metal; aminoacetonitrile tends to eat away at exposed surfaces. Keeping extra air out matters, so always close containers after pouring.
Cool and dry conditions set the stage for safety. Heat amps up the pressure inside a container and can turn what should last a year or two into waste in a few months. I’ve watched warehouses struggle with air conditioning bills but regret it after a spill or a fume scare. Aim for a spot out of direct sunlight. Room temperature runs fine, with a steady 15–25°C setting plenty safe.
Humidity turns most chemicals into a headache fast. Water completes the chain for hydrolysis, letting this liquid break down and send off noxious fumes. Look for rooms with less than 50% humidity—dehumidifiers make a real difference.
Fire risk climbs if vapors drift near a spark. Safety experts point out that N,N-Dimethylaminoacetonitrile flashes at about 54°C. That’s not hard to reach in a storage closet by summer afternoon. Flameproof cabinets give peace of mind. Some places use explosion-proof refrigerators for storage, and I’ve noticed insurance folks ask about these after they tour a site.
Chemicals only belong near compatible neighbors. Oxidizers, acids, and strong bases don’t mix with N,N-Dimethylaminoacetonitrile. Storing chemicals alphabetically invites accidental contact. Instead, group by hazard class—one shelf only for amines and nitriles.
Labels fade and peel in rough conditions. Investing in waterproof labels and clear writing keeps emergency teams and newcomers safe if they need to step in. Don’t rely on memory or habit. I’ve learned that after grabbing a bottle set aside by a tired coworker—we only got lucky nothing spilled.
Fume hoods double as mini storage units for small amounts while work is in progress. This keeps exposure down. For bulk drums or large supplies, exhaust fans and low, steady airflow help keep the room below recommended vapor concentrations. Safety Data Sheets recommend plenty of space between containers for air to move.
Preparedness doesn’t end with smart storage. Spill kits stay nearby, and anyone in the area should understand the clean-up drill. Relying on just one person’s memory of the procedures ends badly in a pinch. Building this culture takes time but pays off with each incident avoided.
Authoritative resources guide safe handling—the American Chemical Society offers up-to-date recommendations, and OSHA fine-tunes the rules. Regular training turns good advice into daily habit. In the end, storage isn’t just about preserving chemicals; it safeguards health, property, and peace of mind for every shift in the lab or plant.
N,N-Dimethylaminoacetonitrile might look like just a string of letters for people who don’t dabble in laboratory work, but the hazards tied to it stretch beyond a complicated name. I’ve spent time around chemical storerooms, checked the Material Safety Data Sheets, and watched coworkers fumble with tightly sealed bottles containing liquids like this. The warnings aren’t just for show; even a routine spill can lead to much bigger troubles than most expect.
Exposure to N,N-Dimethylaminoacetonitrile doesn’t end with a quick whiff. Breathing in the vapors, touching the liquid, or swallowing even a small dose can irritate the skin, eyes, and lungs. Sources like the European Chemicals Agency flag it as toxic—not just unpleasant but capable of causing real harm. Folks handling this chemical in labs have reported headaches, nausea, and worse, signaling systemic toxicity. There’s more: this chemical carries the risk of poisoning the nervous system, and symptoms don’t always show up right away. Sometimes, people shrug off mild complaints, only to find themselves in bigger trouble hours later.
Plenty of solvents and reagents leave a mark on the skin or eyes, but N,N-Dimethylaminoacetonitrile does more than sting. Prolonged or heavy contact can lead to burns. Eyes feel the brunt almost instantly; even a small splash can cloud vision and cause lasting pain.
In a work setting, I’ve learned to respect any bottle with a special warning. During my time shadowing a lab technician, a minor spill caught us off guard. Gloves and goggles mattered, but something else struck me: the need for air circulation. This chemical releases fumes that hover longer in poorly ventilated rooms, ramping up the danger.
Long-term studies haven’t wrung out every last fact about chronic exposure, but no one wants to volunteer for that kind of trial. Animal tests show harm to organs, raising questions about cancer risk and other lingering effects. Even if human data lags behind, it pays to take warnings seriously.
It’s not just the heavy users who face risk. Shipping staff, storage managers, and cleaners all stand close to danger if controls slip. I’ve seen overdetailed procedures left unread in a binder, but the few teams who practiced safety drills or ran routine checks stood out. Simple habits matter most: storing chemicals in sealed, labeled containers, working near fume hoods, swapping out cracked gloves, and never underestimating the hazard.
Now and then, conversations shift to whether regulations go too far. One thing feels clear after hands-on experience: safety steps keep tragedy at bay. N,N-Dimethylaminoacetonitrile brings economic value to some industries, but health should always take priority. The goal isn’t to shut down the science—it’s to use knowledge and diligence so families don’t get life-changing calls in the middle of the night.
Supporting a healthy workplace starts with ready access to accurate information. A few organizations rely on training videos; some put up signs, others email reminders. The best programs lean on expert guidance, regular audits, real-life drills, and honest communication. Safety officers can’t be everywhere, so leadership needs to set the tone and back it up with resources.
This chemical requires respect, not fear. The difference lies in knowledge, preparation, and the willingness to speak up when something feels off. After seeing close calls and learning from veterans, it’s clear that proactive choices make the biggest difference. At day’s end, workers should head home with energy, health, and peace of mind intact.
Chemists and researchers deal with numbers all day—temperatures, volumes, and usually, molecular weights. When it comes to N,N-Dimethylaminoacetonitrile, its molecular weight sits at 96.14 g/mol. This number might look like it only matters to folks calculating reagents, but it changes how this compound fits into real-world reactions and lab logistics.
Anyone mixing up reaction cocktails knows: One misstep in weight calculations throws off the whole outcome. Too little, and a yield plummets. Too much, and resources go down the drain. This particular compound, with its 96.14 g/mol molecular weight, slides easily into organic syntheses that demand precision—think pharmaceutical intermediates or specialty chemicals. In my experience, the right calculation often saves more than just money; it prevents wasted effort chasing down why an experiment failed.
During my time in graduate school, making mistakes in these measurements often felt like an initiation rite. There was one project where every tenth of a gram counted. Using N,N-Dimethylaminoacetonitrile, our team misjudged its contribution to a Mannich reaction. After unpacking the issue, our calculations—tied directly to molecular weight—finally got straightforward yields. These hard lessons stuck: Chemistry leans on careful numbers, and this subtle value helps drive outcomes in labs around the globe.
The formula C4H8N2—with its carbon, hydrogen, and nitrogen atoms—directly sets the 96.14 g/mol figure. Each atom adds up: carbon at about 12 g/mol, hydrogen at 1 g/mol, nitrogen at 14 g/mol. It’s a sum that comes up again and again whether someone’s planning a large industrial-scale batch or prepping a small experiment.
People outside the lab might wonder: why does this number keep getting attention? The reason sits in efficiency. Transporting, storing, dosing—all these steps rely on the right data. If a pharmaceutical company guesses the weight, the entire process can go sideways. Even the simplest antibiotics or household chemicals depend on accuracy from the start. For the workers measuring out powders, the number becomes something learned by heart.
Not everyone involved with chemicals stands inside a lab. Workers in storage or transport, manufacturers, even safety managers benefit from knowing precise values. Labeling that highlights the molecular weight stops mistakes before they happen. Suppliers who make this information clear help direct the right reactions and avoid costly fixes down the line.
One big fix for confusion: clearer digital records and better labeling. I remember getting handwritten labels or printed sheets that left out essentials. Modern tools can deliver this basic data directly into production schedules, ordering forms, and storage databases. The gap between chemistry departments and logistics teams closes once the details become part of the shared conversation.
Every chemistry student eventually faces this number in a textbook or lab manual. N,N-Dimethylaminoacetonitrile’s molecular weight isn’t just for exams—it hints at a culture of planning, accountability, and shared understanding. As people in science, we build better work on small, trustworthy values. Accuracy in weights might sound like a dry topic, but it forms the foundation for shops, classrooms, and industrial lots far outside the lab’s walls.
Over the years, I’ve seen folks in labs treat chemicals like everyday products. It's easy to forget, but some of these compounds, especially N,N-Dimethylaminoacetonitrile, can cause serious trouble if not respected. N,N-Dimethylaminoacetonitrile isn't just another bottle on the shelf. It's flammable, volatile, and toxic if inhaled or if it touches skin. One careless mistake can change a regular workday into a medical emergency. I’ve known chemists who learned the hard way that short cuts don’t pay off with materials like this.
What sets this substance apart is its basic structure—a nitrile paired with a dimethylated amine group—that poses multiple hazards. Splashes or a whiff of vapor can cause severe irritation to eyes, skin, and airways. Spills leave behind toxic fumes, especially in spaces without strong airflow. The flash point stays stubbornly low, so even a hot plate or static spark creates a risk. Ingesting even a small amount by accident can lead to systemic poisoning. Those who handle it owe it to themselves and colleagues to pay attention to all these dangers.
Safety starts with a good plan. Gloves—nitrile or butyl—always go on before opening the bottle. I’ve seen latex gloves fail with organic solvents, so picking the right material matters. Goggles or a face shield stop accidental splashes from hitting sensitive eyes. Lab coats and long sleeves stop the chemical from soaking through everyday clothes. Ventilation reveals its worth every time someone fumbles a transfer or knocks over a flask. Fume hoods suck away harmful vapors and slash the odds of breathing them in.
Storage asks just as much care. Keep it away from flames, sparks, or heat sources. A cool, dry chemical cabinet works for me, with the bottle tightly sealed and clearly labeled. Plus, keeping incompatible substances—such as strong acids, oxidizers, or bases—away prevents unplanned reactions. I’ve seen shelves in disarray cause cross-contamination or surprise fires. Treating storage as seriously as handling protects everyone near the workspace.
If a spill happens, acting quickly rules the moment. Absorbent pads and neutralizers work for small spills, combined with plenty of ventilation. Large spills demand evacuating the room and calling in specialized help. Any rags, gloves, or paper used for clean-up belong in a sealed hazardous waste bag—not in the regular trash. Only certified hazardous waste disposal firms should get rid of leftover chemical. Pouring it down the drain or tossing the container in regular trash brings environmental risks and legal trouble.
No substitute exists for thorough training. The best labs keep their people sharp with yearly reviews and safety demonstrations. Safety data sheets deserve a permanent spot within arm’s reach—not buried in an online folder no one checks. Early signs of trouble—like new odors, leaks, or odd-looking containers—should prompt an immediate review. Lab managers can make a difference by rewarding those who report problems and acting fast to fix them.
Nothing beats coming home in one piece after a day’s work. Respect for substances like N,N-Dimethylaminoacetonitrile pays off every time. Attention to detail, the right protective gear, solid storage, and strong training carry more weight than any shortcut or rushed job. As someone who’s made mistakes and learned from others, I can’t say this strongly enough—safe handling keeps opportunity alive and accidents off the evening news.
| Names | |
| Preferred IUPAC name | 2-(Dimethylamino)acetonitrile |
| Other names |
DMAN Dimethylaminoacetonitrile 2-(Dimethylamino)acetonitrile N,N-Dimethyl-2-aminonitrile |
| Pronunciation | /ˌdiːˌemˈaɪˌdiːˌæmɪnoʊˈæsɪtəˌnaɪtraɪl/ |
| Identifiers | |
| CAS Number | 109-18-2 |
| Beilstein Reference | 1368946 |
| ChEBI | CHEBI:52015 |
| ChEMBL | CHEMBL16226 |
| ChemSpider | 54692 |
| DrugBank | DB04161 |
| ECHA InfoCard | 100.051.251 |
| EC Number | 204-679-6 |
| Gmelin Reference | 82829 |
| KEGG | C19193 |
| MeSH | D031089 |
| PubChem CID | 77630 |
| RTECS number | UC1400000 |
| UNII | TE23BX545F |
| UN number | UN3286 |
| CompTox Dashboard (EPA) | DTXSID0041845 |
| Properties | |
| Chemical formula | C4H8N2 |
| Molar mass | 84.12 g/mol |
| Appearance | Colorless to yellow liquid |
| Odor | amine-like |
| Density | 0.81 g/cm3 |
| Solubility in water | miscible |
| log P | -0.18 |
| Vapor pressure | 0.9 hPa (20 °C) |
| Acidity (pKa) | pKa = 10.05 |
| Basicity (pKb) | 4.10 |
| Magnetic susceptibility (χ) | -20.1×10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.408 |
| Viscosity | 1.054 mPa·s (20°C) |
| Dipole moment | 4.06 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 186.6 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -19.5 kJ mol⁻¹ |
| Std enthalpy of combustion (ΔcH⦵298) | -325.6 kJ/mol |
| Hazards | |
| GHS labelling | GHS02, GHS06, GHS07, GHS08 |
| Pictograms | GHS02,GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H226, H301, H311, H331, H370 |
| Precautionary statements | P261, P280, P302+P352, P304+P340, P312, P305+P351+P338, P337+P313 |
| NFPA 704 (fire diamond) | 3-3-2-W |
| Flash point | 52 °C (126 °F; 325 K) |
| Autoignition temperature | 556°C |
| Explosive limits | 4.2–15% |
| Lethal dose or concentration | LD50 oral rat 82 mg/kg |
| LD50 (median dose) | LD50 (oral, rat): 82 mg/kg |
| NIOSH | ON3675000 |
| PEL (Permissible) | Not established |
| REL (Recommended) | 1 ppm (3 mg/m³) |
| IDLH (Immediate danger) | 5 ppm |
| Related compounds | |
| Related compounds |
Acetonitrile N,N-Dimethylethylenediamine N,N-Dimethylformamide Dimethylamine Cyanomethylation reagents |
