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Chemical name: 2-(Dimethylamino)ethyl methacrylate
CAS number: 2867-47-2
Common uses: This substance shows up in polymer synthesis, adhesives, textile finishes, and resins. The chemical can float between the labs of academia and the barrels of manufacturing. People in research, coatings, or even medical devices know it often as a way to link chemical chains or tweak surface properties.
Hazard class: Flammable liquid, skin/eye irritant, possible respiratory hazard
Key risks: Breathing in the vapors can cause headaches, nausea, throat and lung irritation. Skin absorption can sting and leave you with redness or even blisters, and it stings eyes fiercely. On top of that, it burns easily near heat, sparks, or flame. Workers messing with containers or large spills should stay alert for dizziness or even trouble breathing if a lot of vapor builds up, especially indoors.
Main component: 2-(Dimethylamino)ethyl methacrylate, usually at or near pure levels in focused lab settings or concentrated supply
Minor impurities: Trace amounts of inhibitors (to keep polymerization at bay), sometimes other methacrylates if cross-contamination happens
Notes: Even trace inhibitors like MEHQ get included to stop runaway reactions, making them worth flagging for workers looking for allergic triggers or skin risks.
For skin contact: Wash off any splash quickly with a lot of water and gentle soap; skip abrasive scrubs, keep rinsing longer than feels necessary
For eye contact: Rinse for at least 15 minutes, sometimes longer if irritation continues
For inhalation: Move out to clean air, try deep breathing, look for symptoms like cough, dizziness, or trouble catching a breath
For ingestion: Swallowing is rare but serious; don’t force vomiting, just rinse mouth and get medical help right away
Medical attention: Any lasting irritation, headache, or trouble breathing means a trip to urgent care, not just a wait-and-see approach.
Suitable extinguishers: Dry chemical, CO2, foam, sand–avoid water sprays unless in a fog to prevent spreading the chemical
Fire risks: Vapors can form explosive mixtures with air, especially in warm or poorly ventilated places
Hazardous byproducts: Combustion sends up toxic smoke like carbon monoxide, carbon dioxide, and nitrogen oxides. Responders need self-contained breathing equipment and full protective gear, not just a garden hose and optimism.
Personal safety: Stay out of enclosed or low areas; gases can settle and become a trap.
Steps: Evacuate non-essential folks, ventilate the area, don the right gloves and goggles
Containment: Block the spill from drains, soil, or open ground
Clean-up: Use absorbent stuff like sand or clay for small leaks, shoveling into safe disposal drums
Disposal: Keep residues and clean-up mixes in sealed, labeled containers for proper disposal—never down the drain
Ventilation: Open windows, set up fans; lingering fumes can keep exposure high even after the visible mess goes away.
Precautions: Wear gloves, lab coat, and eye protection; don’t eat, drink, or smoke nearby
Storage: Keep containers closed, out of direct sunlight, cool and dry; a temperature-controlled, fire-resistant cabinet earns its cost here
Separation: Store away from acids, oxidizers, and sources of ignition; spontaneous reactions can catch the unprepared off guard
Labeling: Use clear, robust labeling—worn-off stickers or handwriting risks mix-ups
Routine checks: Regularly inspect for leaks, corrosion, or swelling, especially in old bottles.
Ventilation: Use fume hoods or local exhausts; don’t trust open windows alone for air flow in closed spaces
Protective gear: Gloves (nitrile or neoprene, not latex), safety goggles, lab coats—face shields get pulled out for bulk handling or high-pressure lines
Respirators: Use masks with organic vapor cartridges for prolonged work, especially when proper ventilation fails
Hygiene: Wash hands after contact, don’t let residue hitchhike home on sleeves or watches
Occupational limits: National and regional agencies post suggested exposure levels—always lower is better with this irritant.
Appearance: Clear to slightly yellow liquid, sharp amine-like odor
Boiling point: Just over 160°C
Melting point: Negative, stays liquid at freezing room conditions
Vapor pressure: Moderate, so fumes can build up in sealed or poorly-aired locations
Solubility: Mixes with water due to amine group, blends freely with many solvents
Flash point: Around 54°C, not far above a hot summer day, so ignition worries stay front-of-mind.
Stability: Stays steady only under recommended storage—heat, light, or open air sees risk climb
Reactivity: Reacts with acids, oxidizers, and can self-polymerize if left unmonitored
Hazardous decomposition: Burns or breaks down to give out acrid smoke, toxic gases
Inhibitors: Added to bottles to keep it from gelling or hardening over months of storage
Safe handling tip: Never transfer to metal containers (except those proven compatible)—methacrylate residue and metals have sparked disaster before.
Routes of exposure: Skin, eyes, inhalation; swallowing in labs happens if food gets nearby or hand hygiene lapses
Symptoms: Redness, burning, blisters on skin; eye pain, watering, blurry vision; headaches, sore throat, dizziness from breathing vapors
Chronic effects: Long-term exposure can dry and chap skin, trigger allergies, or bring on asthma-like symptoms in sensitized workers
Acute cases: Large vapor exposures can cause confusion, breathing trouble, or even chemical pneumonitis—nothing to take lightly at the scale of a tank truck or large spill.
Aquatic toxicity: Harmful to fish and other aquatic creatures if spilled into waterways
Bioaccumulation: Not proven to pile up in the food chain, but fast action needed anyway
Persistence: Tends to break down slowly in water and soil from the methacrylate backbone
Spill control: Keep all waste and used absorbents out of public drains or open soil; even a small leak can harm local wildlife or contaminate drinking water downstream.
Waste classification: Usually falls under hazardous, sometimes toxic depending on local laws
Preferred disposal: High-temperature incineration or chemical treatment by a professional contractor
Prohibited: Don’t dump in water, regular trash, or standard landfill
Empty containers: Triple rinse and label as “empty,” but handle with the same care as full units, because residues stick around
PPE for disposal: Same level of gear you’d wear during use, because old chemicals don’t lose their bite with time.
Shipping class: Classified as a flammable liquid by most transport authorities
Packing instructions: Metal drums with regulatory seals or approved plastic containers, not make-do cans or jars
Labeling: Flammable liquid warning, corrosive stickers help keep handlers on guard during transit
Secure storage: Keep from heat, friction, or sources of spark during trips—rattling on a hot truck bed raises risks for every mile
Emergency info: Shipment papers should travel with every container, so responders know what they’re up against if things go sideways.
OSHA: Regulates workplace exposure, calls for safety plans and PPE
EPA: Monitors environmental release, especially into water or soil, and enforces cleanup for large spills
Transport regulations: Restricted under most road, rail, air, and sea rules due to flammability and reactivity
International labels: GHS pictograms signal both flammability and acute toxicity, not something to miss on a cargo manifest or warehouse shelf
SDS availability: Up-to-date sheets legally required on site, with staff trained to read and act on them in plain terms, not just technical jargon.
