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The story of monomethylamine stretches back to the early days of industrial chemistry, where curiosity and necessity drove scientists to explore the simplest forms of amines. These compounds, based on ammonia, offered a template for innovation that would shape the manufacture of dyes, pharmaceuticals, and agricultural chemicals. In my experience, textbooks usually gloss over the sheer scale of chemical industry expansion during the 19th and 20th centuries. Yet, fields like synthetic rubber and pesticide manufacturing built reputations on their command over intermediates like monomethylamine. The chemical plants and laboratory benches of the past saw this compound serve as both a building block and a puzzle, guiding researchers to explore new reaction pathways and rethink established production processes. Historical milestones, such as the availability of ammonia synthesis, provided easier access to precursors for methylamines and led to the modernization of production. The shift from coal-based to natural gas-based feedstocks not only lowered costs but also set new benchmarks for purity and large-scale availability.
Monomethylamine, often recognized by its chemical formula CH3NH2, presents itself as a colorless gas with a fish-like smell. Its role does not end at the laboratory; industries have embraced it for synthesizing a variety of downstream products, from pharmaceuticals like antihistamines to herbicides and cleaning agents. In my career, I have seen first-hand how the demand for intermediary compounds surges as entire supply chains depend on reliable sources of raw materials. Monomethylamine sits near the core of these operations, offering chemical versatility and finding new takers as industries shift toward green chemistry and pursuit of more efficient synthetic routes. The product comes in compressed cylinders or tankers, locked up safely due to its pressurized, gaseous nature. Its unique structure—one methyl group linked to ammonia—allows it to mingle and react with other chemicals, forming bonds that hold together countless modern products.
The properties of monomethylamine have shaped its utility and the way it is handled. It is a gas at room temperature, with a boiling point around -6.3°C. The substance is highly soluble in water, forming basic solutions, and its vapors are noticeably pungent, demanding attention in any workspace. A relatively low molecular weight gives it mobility in gaseous form, making storage and transport an exercise in vigilance and care. I think every chemist develops a healthy respect for such compounds after one whiff—the odor lingers, and so does the lesson about proper ventilation. Its flammability introduces another layer of risk, so chemical plants use rigorous controls to keep concentrations below explosive thresholds. Monomethylamine’s reactivity comes from its lone pair of electrons on nitrogen and the presence of a methyl group, letting it act as a nucleophile or base in a range of organic reactions.
Industries rely not just on availability, but on technical specifications standardized across the board. Monomethylamine is rated for purity, with stringent impurity limits set for water content, ammonia residue, and mixed amines. Safety labels spell out its classification as a flammable, toxic gas, requiring detailed hazard communication. I’ve worked with procurement teams that refused entire shipments due to ambiguity in labeling or failing to meet the required specifications. UN numbers, hazard pictograms, and standardized packaging keep shipments uniform and responses coordinated across the globe. Every drum or tank carries crucial details: concentration (usually supplied as 40% aqueous or anhydrous gas), filling date, manufacturer’s batch number, and safety recommendations in clear text. Compliance with national and international shipping guidelines is more than paperwork—it keeps transport workers, storage facilities, and end-users safe from potentially deadly mistakes.
Commercial production of monomethylamine involves the reaction of ammonia with methanol over an alumina catalyst at elevated temperatures and pressures. The process yields a mixture of methylamines (mono-, di-, and trimethylamine), which then require careful separation and purification. The conditions themselves demand robust engineering, as the exothermic reaction and gas-phase operation can stress plant equipment. As a student, it struck me how process choices shape purity and yield—slight shifts in feed ratios or catalyst properties could tip the scales toward waste or profit. Optimization remains ongoing, since efficient separation means less energy use and fewer byproducts. Facilities recycle unreacted ammonia and methanol, maximizing resource use and minimizing emissions. Process chemists constantly study new catalysts or operating schemes, seeking better selectivity or lower operational costs for this essential intermediate.
Chemists value monomethylamine for its ability to undergo diverse transformations. In synthesis, it reacts with acids to produce methylammonium salts, with carbonyl compounds to afford imines and secondary amines, and with alkyl halides to yield higher alkylated amines. Monomethylamine also finds use as a nucleophile in the creation of pharmaceuticals, dyes, and agrochemicals. Having run multiple experiments with it, I learned to appreciate how a single functional group could spawn so many product lines. The compound participates in substitution, addition, and condensation reactions, underpinning the production of molecules with central nervous system activity or pest-resistance traits. Its tendency to form hydrogen bonds makes it reactive in both polar and nonpolar environments, expanding its status as a fundamental chemical “tool” in the modern synthesis lab. Methylamine modifications continue to drive innovation as new active molecules require nuanced design and functionalization.
The world of chemicals is one of aliases, and monomethylamine is no exception. It goes by several names across markets and regulatory listings, including methylamine, methaneamine, aminomethane, and MMA. This English-language maze gets even more twisted when considering international nomenclature and proprietary trade names. I’ve worked on global teams where shipments crossed several borders, so consistency in communication became a lifeline. Quality control can slip when a compound’s various names aren’t clearly tied back to its standardized registry number, so keeping up on synonyms smooths procurement and ensures compliance wherever operations run. Safety data sheets list all possible identifiers—CAS number, EINECS, synonyms—so handlers recognize what they’re dealing with, regardless of local language or label design.
Handling monomethylamine means balancing utility with respect for its hazards. Classified as a toxic and flammable gas, it poses risks even in skilled hands. In high-enough concentrations, monomethylamine irritates eyes and respiratory passages, with prolonged exposure threatening the nervous system. My own introductions to industrial safety featured drills and checklists designed around such compounds, drilling into us the rigor required to keep incidents at bay. Storage tanks use pressure relief valves and continuous gas monitoring, while handling areas run proper ventilation and strict access control. Workers suit up with impervious gloves, goggles, and respirators. Emergency protocols call for showers and eyewash stations close to the handling sites. The regulations—set by agencies like OSHA and the European Chemicals Agency—limit acceptable exposure, require leak detection, and enforce emergency response training. Auditors regularly check that facilities test alarms, refresh training, and inspect equipment to avoid complacency in safety practice.
Monomethylamine’s reach extends across several industries. Agriculture depends on it for synthesizing herbicides and fungicides, while pharmaceutical makers transform it into antihistamines, antihypertensives, and antidepressants. Water treatment plants apply it for controlling pH and removing impurities. In making surfactants and dyes, chemical engineers build upon its basic nitrogen backbone. I once shadowed a production chemist who likened its role to baker’s yeast: just a pinch rippled through a batch, changing the entire product outcome. Electronics manufacturers seek its derivative compounds for cleaning and etching, banking on its balance of reactivity and volatility. The US and Asia, in particular, report heavy consumption tied to these industries, where reliable monomethylamine supply often becomes a make-or-break factor for downstream production.
Monomethylamine continues to fuel research across numerous scientific fields. Companies explore catalytic advancements that could lower process temperatures or boost selectivity. Universities trace new paths for methylamine incorporation in drug synthesis, studying its influence on biological activity and therapeutic outcomes. Research teams leverage its amine properties for next-generation materials; for example, perovskite solar cells sometimes depend on carefully controlled amine dopants. In the lab, experiments probe the nuances of reaction mechanics, side-product formation, and post-reaction purification. My time in chemical research showed how incremental improvements—tiny boosts in reaction yield or control over byproducts—could shift entire market shares. Funding agencies pitch in when greener or less toxic production routes show promise, eager to lessen environmental impacts and protect workers. Academic journals chronicle the latest on monomethylamine’s modifications, listing it as a stepping stone toward bioactive molecules, polymers, or sensor materials.
Research into toxicity remains a front-burner issue with monomethylamine. Acute exposure studies show irritation to eyes, throat, and lungs, while chronic exposure can damage liver and kidneys or trigger neurological symptoms. Animal studies have guided occupational exposure limits, but workplace anecdote makes the danger more immediate—you never forget the stories of accidental inhalation and the hospital trips that follow. Scientists continue to probe metabolic pathways and breakdown products, since risk management relies on viewing the whole picture, not just acute symptoms. Regulatory bodies like the EPA and ECHA maintain databases tracking incidents, research linking methylamine to cancer or reproductive issues, and guides for safe disposal or spill response. Toxicologists push for improved detection methods, faster first aid, and medical monitoring of workers in high-exposure fields. Safer substitutes get evaluated, but for industries still relying on monomethylamine, updated training and technology tackle risk at the source.
The future for monomethylamine seems tied to both expanding demand and deeper regulatory scrutiny. As biochemistry and specialty chemical sectors keep growing, so does need for pure, reliable monomethylamine streams. Sustainability goals drive chemical plants to invest in closed-loop systems and greener, less energy-intensive processes. Research into bio-based production—using fermentation, for example—attracts attention for lowering reliance on fossil fuel feedstocks. On the application side, the rise of advanced materials, pharmaceuticals, and electronic devices opens new doors for monomethylamine derivatives. I see chemical plant managers weighing investment in safer storage, smarter leak detection, and digital process controls. Regulators keep raising standards on emissions and worker exposure, so competitive edge will belong to those who stay ahead of the rules instead of scrambling after changes. Collaboration between academia and industry promises fresh methods, safer alternatives, and stricter control over waste and emissions, making monomethylamine both an opportunity and an ongoing responsibility.
Monomethylamine anhydrous often comes up in industrial and scientific circles, but outside those labs and factory floors, most folks have never heard of it. This gas smells strongly of ammonia and has a knack for grabbing moisture from the air, making it tricky to handle. Still, the demand for it keeps climbing. Why? Everywhere you look—pharmaceuticals, agriculture, water treatment—this chemical quietly plays its part.
Walk down a pharmacy aisle or take a peek at agriculture supplies, and you can trace their roots back to monomethylamine. In drug manufacturing, it’s a backbone for creating antihistamines, pain relievers, and antibiotics. My time covering pharma supply issues during pandemic shortages showed how a hiccup in primary materials—like this—can cause ripples all the way to the shelves. Working with local growers, I saw chemical supply delays put pesticide production on hold, since monomethylamine helps formulate weed killers and pest controls. When it isn’t there, crop yields suffer, supply chains seize up, and prices creep higher.
Cities use monomethylamine in water purification, especially when they need to get rid of nasty contaminants. Water experts I’ve interviewed stress reliability in sourcing—no one wants a boil-water alert because one chemical went missing. Soap and cleaner makers rely on it too since it’s a key precursor for surfactants. Without it, many detergents and sanitizers wouldn’t work as advertised. Think back to the early days of COVID, when cleaning products disappeared from shelves in days—every link in that production chain matters, including the chemicals that start the whole process.
Handling this chemical comes with serious safety rules. Its fumes can cause chemical burns and breathing problems. Facilities need strong ventilation and training. I remember talking with a chemical plant safety officer who laid out the costs of getting things wrong—both human and financial. Some folks misuse monomethylamine for illegal drug production. This fact pushes regulators and police to watch it closely, clamping sales and shipments. That policing adds layers of paperwork, but there’s no way around it—community safety has to come first.
As global supply networks stretch and tighten, one storm, border hiccup, or port backup can threaten monomethylamine deliveries. Chemical suppliers and their customers are starting to rethink logistics. I’ve seen buyers form direct partnerships with producers, share transportation, and even keep emergency reserves. Technology plays a bigger role too. Real-time tracking reduces surprises. Some companies invest in greener production methods to reduce dependence on imported ammonia, the starting point for monomethylamine.
There’s no flashy buzz around monomethylamine, but its steady presence helps hold together many parts of modern life. Recognition from governments, tighter safety enforcement, better education for handlers, and more resilient supply chains will keep its impact positive. My reporting has taught me that sometimes, the chemicals no one talks about end up mattering most when things go wrong. Proactive planning beats playing catch-up every time.
Monomethylamine anhydrous draws a lot of attention because it doesn’t play around in storage. This is a sharp-smelling, colorless gas that hits hard when handled recklessly. You can smell it at very low concentrations, and there’s a reason for that—it can be dangerous. On the chemical safety scale, this is no household cleaner under the sink; it’s the sort of stuff that turns a careless day into a disaster. Cutting corners here puts people and property in real danger.
The gas likes cold and pressure. Regular steel drums won’t do the trick. Stainless steel pressure vessels, well-maintained and checked for leaks, work better. Monomethylamine reacts with copper, brass, and most aluminum alloys, slowly breaking them down or making old piping brittle. Over the years working in industrial spaces, I’ve seen what happens when folks think “close enough.” Corrosion creeps up silently, and the first sign is sometimes the worst: a leak or, worse, a full release of toxic vapor. That’s why vigilance makes a difference.
Keep it cool. That sounds simple, but temperature matters. Without consistent cooling, monomethylamine goes from a liquid to a pressurized gas. Most places lock storage between 0°C to 40°C (32°F to 104°F), but lower is always safer. A reliable thermometer and alarms for temperature spikes work better than hoping someone checks in on it daily. That early warning can prevent a runaway release.
Monomethylamine attacks the nose and lungs without warning. I can remember my first encounter with a small release—eyes burning, throat closing up. Proper storage means rigorous ventilation. Every container should stand in a well-ventilated storage space, away from heat sources. No one enjoys extra work building sealed rooms fitted with gas detectors, but it pays off. You don’t want to discover a leak by coughing your way through the problem.
The gas catches fire with surprising ease. One stray spark can mean a flash fire. All electrical equipment must be explosion-proof—no shortcuts. That’s more than just a sign on the door; it’s about training staff, locking up sources of ignition (even personal electronics), and double-checking with regular safety drills. I’ve seen places with cigarette butts near gas storage, and those memories stick with me as a reminder of what to weed out without hesitation.
Monomethylamine’s pressure makes it dangerous to store in ordinary tanks. Regular checks for signs of bulging or stress can save lives. Pressure relief valves aren’t an accessory–they’re nonnegotiable. I believe in putting backups on these valves. It’s a small investment compared to the risks. Letting pressure build without a safe way out means gambling with property and lives.
People sometimes underestimate paperwork, but documentation here means more than red tape. You want every cylinder tracked, every inspection logged, every staff member properly briefed. The best sites post emergency plans right by the door, and everyone knows them. I’ve seen near-misses avoided just because someone remembered the protocol from their training. Continuous learning, not just annual refreshers, keeps everyone sharp.
One solution for the modern workplace comes through smart automation. Automated leak detection, remote monitoring, integrated alarm systems—these technologies remove the guesswork. Still, good equipment doesn’t replace good habits. A culture of safety wins over any checklist. Treating every day with the same seriousness as the first day makes sure monomethylamine stays where it belongs.
Monomethylamine anhydrous ranks as one of those chemicals you hear about in both industry and crime dramas. This colorless gas often works quietly behind the scenes in agriculture, pharmaceuticals, and water treatment. Despite its usefulness, monomethylamine carries a punch—flammable, toxic, corrosive. One careless mistake can turn an average day into a crisis.
Skin or eye exposure causes burns fast. Inhaling the fumes damages the lungs and throat, triggering coughing, shortness of breath, and headaches before you even realize your guard dropped. Once, cleaning glassware after a methylamine experiment, my lab partner missed a minor leak in his glove—his next hour wasn’t pretty. Blisters and hospital paperwork followed. I never forgot how easily preventive steps save a lot of pain.
If you’re anywhere near the stuff, throw on a chemical-resistant suit, goggles with side shields, thick nitrile or butyl gloves, and a full-face respirator if ventilation lags. Cheap gloves or old safety glasses won’t cut it. Clothing leaves open gaps, so tie back sleeves and make sure nothing breaks the seal between glove and suit. Pushing for safety gear compliance can feel repetitive, but these bulky, expensive outfits mean someone gets to walk away rather than ride in an ambulance.
Keep cylinders upright, in cool, well-ventilated spaces away from heat sources, oxidizers, acids, and direct sunlight. Monomethylamine can ignite easily, sometimes just from static discharge. Ground all equipment and containers to limit sparks. The right signage—large, not hidden—alerts workers to danger. I’ve seen too many places where important warnings remained taped over or faded, and new staff walked into hazardous areas without any idea what lingered there.
Transferring monomethylamine anhydrous between containers isn’t just another routine task. Closed systems and experienced personnel become non-negotiable. Adequate ventilation comes from local exhausts—not just an open window. Draining pipes or lines means purging with inert gas, not air, to push fumes out and prevent ignition. Line up tools ahead of time; don’t scramble for a wrench while the line gushes vapors.
Accidents still happen, even with top discipline. If a leak spills, clear non-essential personnel immediately. Notify the emergency team before trying to control the source. Ventilate if you can do it safely. Absorb small releases with inert materials, never sawdust or paper towels—these just make things worse. After one incident, our team sealed off a hallway and brought in an air handler. It took hours and thorough checks before anyone re-entered, but nobody ended up hurt.
Reading manuals doesn’t prepare you for the moment alarms sound and colleagues look your way. Drills matter, even if they pull you away from projects. Make sure every person knows the nearest eye wash and shower, plus the evacuation route. Don’t let the “regulars” bypass sessions—veterans can slip into bad habits just as easily as rookies. Companies should never apologize for investing in repeat training; one missed procedure can cost a life.
Monomethylamine anhydrous never gives second chances. Stay strict with protocols, keep equipment up to date, take personal protection seriously, practice response drills, and never shrug off close calls. Engaged staff save themselves and those around them—long after the day’s work finishes.
Monomethylamine anhydrous comes with a clear chemical story. Its formula is CH3NH2. This structure tells you the molecule has one carbon atom, five hydrogens, and one nitrogen. Chemists see it as a simple building block. Everybody from academic researchers to folks in industrial labs handles compounds like this to solve real-world problems—from pharmaceuticals to agriculture.
A small molecule like monomethylamine manages to pull a lot of weight in lab and warehouse. It often shows up as a gas at room temperature, clear and with a strong ammonia-like smell. Farmers count on it for pesticides. Drug developers lean on it to build medicines. Folks making dyes or solvents use it thanks to its ability to react quickly and cleanly. EPA and OSHA both keep an eye on how it gets handled because health and safety clearly come first.
Grabbing a calculator and summing up the atomic weights, you get pretty close to 31.06 g/mol for monomethylamine. Carbon weighs in at 12.01, nitrogen at 14.01, and five hydrogens bring it up by 5.05. It’s not much by the numbers, but it packs plenty of punch in the lab. Accurate molar mass matters. Even a tiny error can throw off a reaction. A supervisor once reminded everyone in the lab how calculations shape the outcome. Measuring for precision means getting better results, safer workspaces, and less waste.
Handling monomethylamine anhydrous doesn’t always play out as smoothly as textbooks say. It’s a toxic, flammable gas. Ventilation turns into a top priority. Teams need leak-proof containers and strict tracking procedures. A colleague told a story about a leaking valve and the way clear plans and quick thinking stopped a bad day from turning worse. Experience teaches that safety routines must become second nature, not just items on a checklist.
Manufacturers and labs both use training and equipment checks to reduce accidental exposure. Besides sharp training programs, tools like gas detectors and live monitoring make a difference. Protective gloves and goggles aren’t optional, and you want easy access to safety data sheets. Clean-up kits, emergency drills, and honest communication make safer spaces where people learn and adapt.
Smart handling starts before tanks or cylinders arrive. Vendors should supply the best quality, and that begins with clear labeling and safe shipping standards. Producers and users should share data on incidents and fixes. A buddy system—pairing up while storing, unloading, or transferring—helps, especially on busy days. Regular audits and outside reviewers catch blind spots. If someone spots a leak, everyone stops, addresses it, and reviews routines right away.
Accurate knowledge about simple facts—like the formula (CH3NH2) and molecular weight (31.06 g/mol)—lays the groundwork. From there, what happens in factories and labs comes down to careful action, shared information, and a sense that looking out for each other is never a wasted effort.
Anyone working with anhydrous monomethylamine knows it doesn’t mess around. This gas shows zero patience for mistakes—highly flammable, toxic, and it aches to combine with moisture in the air. If you’ve spent time in freight yards or chemical plants, you learn fast that one wrong valve twist can turn a routine day into a crisis. There’s no taking chances with it, whether you’re a truck driver, emergency responder, or plant operator.
Transporting this chemical isn’t about fancy equipment alone; it’s about good habits, sharp attention, and the law. In my years around chemical logistics, a handful of principles always separate a safe shipment from a disaster.
Monomethylamine anhydrous needs pressure-tested containers—think steel cylinders or specialized tank trucks, not makeshift solutions. The U.S. Department of Transportation has clear requirements under 49 CFR—DOT 106A or 110A containers get the job done for rail or highway. Containers without proper pressure relief devices can turn into metal bombs if heat or an accident pushes the pressure up. I’ve seen firsthand what a ruptured valve can do, and nobody wants to stick around for the aftermath.
Leaks matter more than most realize. The stuff seeps through small gaps and, because it’s lighter than air, spreads quick. Even from outside a cab, you can catch a whiff from a bad seal. For years, I’ve trusted soap solution over most leak detectors—bubbles don’t lie. Regular checks on connections, valves, and even the smallest weld marks keep the freight and the people nearby safer.
Training isn’t about hours logged on paper. It’s about workers knowing the feel and danger of the chemical, plus how to use self-contained breathing gear if things go sideways. After seeing crews fumble during drills, it’s clear written rules alone save no one. Regular hands-on practice with mock leaks and fire response can make all the difference if the real thing happens.
Transporters also need clear, accessible shipping documents detailing hazards and response steps. Local responders—fire and hazmat teams—ought to know what’s rolling through their territory. Communication across every link in the supply chain prevents confusion during a spill or traffic wreck.
Weather plays a role, too. Anhydrous monomethylamine boils at -6°C (about 21°F), so summer heat throws extra risk into the mix. Shade, ventilation, and pressure monitoring reduce boil-off and venting. On the cold side, ice and snow can coat fittings, making leaks harder to notice or fix. Never trust that labels and stickers will stay legible if the shipment faces rain or road grime—regular inspections matter.
No single gadget or container guarantees safety. Technology helps, but it’s no substitute for human vigilance. Smart routes skip big crowds and stick closer to emergency response hubs. Monomethylamine runs depend on everyone—from the scheduler to the crew on the highway—watching for mistakes, double-checking gear, and respecting the hazards at hand.
If regulations, training, and hands-on caution all line up, you cut the odds of trouble sharply. Skipping steps out of hurry or habit creates risks that don’t just threaten cargo—they put workers, towns, and businesses on the line. In the end, care and diligence stay more effective than any label or rulebook ever written.
| Names | |
| Preferred IUPAC name | Methanamine |
| Other names |
Anhydrous methylamine Methanamine Methylamine, anhydrous Methylamine gas Monomethylamine MMA Methylamine (anhydrous) Aminomethane |
| Pronunciation | /ˌmɒn.oʊˈmiː.θəl.əˌmiːn ænˈhaɪ.drəs/ |
| Identifiers | |
| CAS Number | 74-89-5 |
| Beilstein Reference | 605611 |
| ChEBI | CHEBI:16140 |
| ChEMBL | CHEMBL16852 |
| ChemSpider | 6152 |
| DrugBank | DB01957 |
| ECHA InfoCard | 03f4c0eb-4f72-46d6-92d7-f2df98f56fd5 |
| EC Number | 200-820-0 |
| Gmelin Reference | 740 |
| KEGG | C00231 |
| MeSH | D008995 |
| PubChem CID | 6349 |
| RTECS number | BAV43000N5 |
| UNII | L01K63Z7Z0 |
| UN number | 1061 |
| CompTox Dashboard (EPA) | DTXSID6020249 |
| Properties | |
| Chemical formula | CH5N |
| Molar mass | 31.06 g/mol |
| Appearance | Colorless gas with a fishy, ammonia-like odor |
| Odor | fishy |
| Density | 0.682 g/mL at 25 °C |
| Solubility in water | Very soluble |
| log P | -0.57 |
| Vapor pressure | 13160 mmHg (20°C) |
| Acidity (pKa) | 10.64 |
| Basicity (pKb) | 3.35 |
| Magnetic susceptibility (χ) | -17.9×10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.332 |
| Viscosity | 0.27 cP (20 °C) |
| Dipole moment | 1.30 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 80.7 J/mol·K |
| Std enthalpy of formation (ΔfH⦵298) | -22.9 kJ·mol⁻¹ |
| Std enthalpy of combustion (ΔcH⦵298) | -382.0 kJ/mol |
| Pharmacology | |
| ATC code | N06AX05 |
| Hazards | |
| GHS labelling | GHS02, GHS04, GHS06 |
| Pictograms | GHS02,GHS04,GHS06 |
| Signal word | Danger |
| Hazard statements | H220, H280, H301, H311, H314, H331 |
| Precautionary statements | P210, P260, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P310, P311, P336+P313, P363, P370+P378, P403, P403+P233, P403+P235, P501 |
| NFPA 704 (fire diamond) | 3-4-2 |
| Flash point | -18 °C |
| Autoignition temperature | 430 °C |
| Explosive limits | 4.9% - 20.7% |
| Lethal dose or concentration | Lethal Concentration (LC50) (rat, inhalation): "4000 ppm (4 hours) |
| LD50 (median dose) | LD50 (median dose): 430 mg/kg (oral, rat) |
| NIOSH | PSM82000 |
| PEL (Permissible) | PEL = 10 ppm (parts per million) |
| REL (Recommended) | 5 ppm (6 mg/m³) |
| IDLH (Immediate danger) | 100 ppm |
| Related compounds | |
| Related compounds |
Dimethylamine Trimethylamine Ammonia Ethylamine Propylamine |
