Chemical name: Di-N-Propylamine
Chemical formula: C6H15N
Common uses: People find this chemical in the world of organic synthesis and for things like making herbicides, pharmaceuticals, and even rubber chemicals. It’s a colorless liquid, often with a fishy, ammonia-like odor that is hard to miss in any lab.
CAS Number: 142-84-7
Physical Appearance: Usually a clear, colorless to pale-yellow liquid
Sensory warning signs: Strong ammonia-like odor stings the nose quickly if you approach the liquid. Direct exposure brings fast irritation to eyes, skin, and respiratory tract.
Flammability: Highly flammable, will catch fire easily if near open flame or hot surfaces.
Health risks: Breathing in vapor can mean headaches, dizziness, and even drowsiness. Splash accidents can burn skin or severely irritate eyes, and swallowing it does even more damage inside.
GHS Classification: Flammable liquid (Category 2), Acute toxicity (oral, dermal, inhalation), Skin corrosion/irritation, Eye damage/irritation.
Pictograms on real labels: Flame, exclamation mark, corrosion warning
Main component: Di-N-Propylamine, typically making up over 99 percent of the liquid by weight in pure samples.
Other ingredients: Most commercial batches have limited impurities, usually less than 1 percent, but contaminated containers can introduce trace water or nonylamine.
Physical form: Volatile, light-weight organonitrogen compound
Inhalation: Get to fresh air as fast as possible. Open windows or get outdoors, then breathe deeply. If cough or irritation sticks around, get checked by a medical professional.
Skin contact: Strip contaminated clothing, wash exposed skin with running water and a mild soap. Burns or severe irritation need medical care right away.
Eye contact: Hold eyes open wide and flush them under water for many minutes, do not rub, and get to an emergency room for redness that won’t stop.
Ingestion: Rinse mouth with water, but don’t force vomiting. It’s a corrosive, and upwards travel in the throat can make things a lot worse.
Most likely health effects: Nausea, breathing difficulty, painful rashes, blurred vision from splashes, burns in mouth and throat if swallowed
Suitable extinguishing media: Foam, dry chemical, or carbon dioxide extinquishers help most—never aim water directly at a settled pool because splashing spreads the fire.
Hazards from combustion: Burning creates nitrogen oxides and other harmful fumes that hang in the air, making fire zones a respiratory risk.
Protective actions: Responders use self-contained breathing apparatus and work in pairs to knock down chemical fires. Protective suits mean liquid burns don’t complicate a rescue.
Special fire precautions: Keep containers cool by spraying with water from a distance, block upwind so everyone avoids escaping fumes
Personal precautions: Suit up before entering spill areas—nitrile gloves, splash goggles, and chemical boots help set an example and keep accidents low.
Control of hazards: Dike spills with sand, scoop liquids into metal pails, and ventilate the room fast.
Cleanup method: Use inert absorbent materials to pick up remnants, bag and seal waste, clean with copious water (if local regulations allow), and keep everything far from storm drains.
If indoors: Evacuate non-essential people and ventilate; the fumes creep quickly along the floor in low-pressure rooms.
Safe handling tips: Always work in a well-ventilated room; eye protection and gloves are basic equipment. Pour slowly. Don’t let splashing or leaks dock up on floors.
Storage guidance: Tightly sealed containers, cool place, away from sunlight and sources of ignition. Store only with compatible chemicals, nothing acidic or oxidizing. Make sure labeling stands out and write clear hazard warnings.
Avoid common mistakes: Do not use rusty or dented containers; they can leak and may react with the amine.
Engineering controls: Fume hoods pull vapors away from working staff, and chemical resistant benches keep liquid from soaking into surfaces. Proper air exchange keeps low concentrations that stray below occupational exposure limits.
Eye/face protection: Splash-proof goggles or face shields always—contacts make things worse if splashed.
Skin protection: Impermeable gloves (nitrile, neoprene), long-sleeved aprons, and even shoe covers for large-scale work.
Respiratory protection: Organic vapor masks or supplied-air respirators when levels peak above recommended limits or air flow falls.
Boiling Point: Ranges around 110–112°C, so open vessels produce hazardous vapor at room temperature.
Melting Point: Near -55°C to -60°C
Vapor Pressure: Volatile at ambient temperature, contributing to inhalation risks in closed spaces.
Solubility: Mixes easily with water, ethanol, and most organic solvents.
Odor: Pungent, reminiscent of ammonia and dead fish
Specific Gravity: Sits lighter than water, will float if spilled.
Chemical stability: Stays stable in tightly sealed bottles under normal conditions, but time and sunlight speed up decomposition.
Reactive dangers: Reacts harshly with acids, oxidizing agents, and certain metals, sometimes forming toxic gases when heated.
Polymerization: No known tendency to self-polymerize, but mixed chemicals or temperature spikes can trigger rapid exothermic reactions.
Acute effects: Breathing vapor causes cough, headache, and in some cases narcosis or convulsions. Liquid on skin burns quickly.
Chronic exposure: Workers who face repeated contact deal with dermatitis, lingering coughs or asthma-like symptoms, depending on existing health.
LD50 data: Animal studies show moderate to high toxicity by ingestion or absorption. Specific numbers shift, but oral LD50 in rats has landed around 400 mg/kg in published reports.
Cancer Link: No strong evidence points toward carcinogenic risk, but long-term high-level exposure brings other health burdens.
Aquatic risk: Leaking into waterways damages fish and invertebrates. Even small spills wipe out aquatic life locally.
Soil impact: Soaks into ground and swiftly spreads, possibly harming soil bacteria and plant roots.
Persistence: Moderate degradation in sunlight and air, but stays intact long enough to travel through soil and groundwater.
Bioaccumulation: Does not build up much in tissues, but toxic bursts can overwhelm fragile species.
Regulated waste: Local regulations tell you not to dump this chemical down the drain or into landfill trash. Hazardous waste bins or incinerators set to handle nitrogen-containing organics work best.
Container care: Triple-rinse empty jugs with water or solvent, keep labels on until after disposal, and don’t reuse containers for food or drinking water.
Spill debris: Soak up and seal in chemical-resistant bags, and arrange for prompt pickup by certified waste handlers.
Classification: Considered a flammable liquid for shipping purposes.
Packaging: Ships best in metal drums or high-strength HDPE containers, clearly marked with hazard pictograms.
Accident avoidance: Never load near oxidizers or open bales of rags, and always secure to avoid toppling on rough roads.
Handling at delivery: Open with care in ventilated docking bays, check is seals and pressure are intact.
OSHA status: Regulated as a hazardous substance, so workplace exposure limits call for engineering controls wherever workers could breathe in the vapors.
EU status: Listed under REACH as a substance of concern; full registration applies for larger importers.
Hazard labelling: Requires flame, exclamation mark, and corrosive pictograms.
Community Right-to-Know: Many regions require storage and handling reports for quantities above set thresholds.