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Chemical name: 3-(Dimethylamino)-1-propylamine Common synonyms: DMAPA Formula: C5H14N2 CAS number: 109-55-7 Physical description: Clear, colorless-to-pale-yellow liquid with a strong amine odor Intended use: Intermediate for surfactants, corrosion inhibitors, and pharmaceuticals Audience for information: Chemists, safety officers, industrial workers, environmental professionals
Main hazards: Flammable, corrosive to skin and eyes, toxic by inhalation and ingestion GHS classification: Acute toxicity (oral, dermal, inhalation); Serious eye damage/eye irritation; Skin corrosion/irritation Pictograms: Flame, Corrosion, Exclamation Mark Signal word: Danger Potential effects: Severe burns, respiratory distress, eye damage and sensitization reactions Symptoms after exposure: Throat irritation, coughing, skin irritation, burns, vision disturbance
Main component: 3-(Dimethylamino)-1-propylamine – typically over 98% purity Impurities: Potential trace amines or water, presence varies by supplier Other chemicals: No significant additives intentionally present in high-purity material
After inhalation: Get person to fresh air right away, provide oxygen if breathing trouble develops, seek immediate medical advice After skin contact: Remove contaminated clothing, rinse skin thoroughly, use soap and water, seek care for burns After eye contact: Rinse eyes carefully with lukewarm water for a minimum of fifteen minutes, keep eyelids wide open, consult an eye specialist without delay After ingestion: Rinse mouth if victim is conscious; do not force vomiting, get medical help immediately General advice: Show the chemical label or container to medical personnel; symptoms may appear after exposure
Suitable extinguishing media: Dry chemical, foam, carbon dioxide Unsuitable extinguishing media: Direct water jet Hazardous combustion products: Emits toxic fumes of nitrogen oxides, carbon monoxide, and ammonia-type vapors Protective equipment: Full protective clothing, self-contained breathing apparatus Special risks: Vapors heavier than air, risk of flashback and explosion if exposed to ignition sources
Personal precautions: Use gloves, goggles, acid-resistant protective clothing, work in ventilated space, and isolate the area Environmental precautions: Avoid runoff into drains, prevent entry into surface waters Cleanup methods: Soak up with inert absorbent (sand, vermiculite), collect in chemical waste container, flush area with plenty of water after initial removal, ventilate area Disposal: Label and close contaminated absorbent in a chemical waste drum for pickup
Handling: Use only in chemical fume hood or well-ventilated space, keep away from heat, sparks, and open flame, avoid contact with skin and eyes, do not breathe vapors Storage: Store in tightly sealed, corrosion-resistant containers, lock cabinet or designated flammable area, keep away from acids and oxidizers, store at room temperature with limited humidity Compatible materials: Store only with other compatible amines and away from halogenated organics or strong oxidants
Workplace controls: Provide mechanical exhaust or chemical fume hoods, install spill kits and eye-wash stations nearby Personal protective equipment: Use splash-proof goggles, gloves resistant to alkalis (nitrile, neoprene), lab coat or coveralls, chemical-resistant boots if risk of spills exists Respiratory protection: Wear respirator rated for organic vapors if exposure limits are exceeded or if ventilation insufficient Hygiene: Remove contaminated clothing immediately, wash hands before breaks, after work, and never eat or drink near the chemical Exposure limits: No government-established exposure limits available, always minimize exposure using recognized controls
Appearance: Colorless to pale yellow liquid Odor: Strong amine Boiling point: Around 135–140°C Melting point: Below room temperature Vapor pressure: Moderate; evaporates at room temperature Water solubility: Miscible Density: Around 0.80 g/cm³ Flash point: Approximately 34°C (closed cup) Explosion limits: Combustible in air, risk at high concentrations pH: Highly alkaline in solution
Stability: Maintains stability under recommended handling and storage conditions Possible reactions: Violent with strong acids, oxidizers, or acyl halides; forms flammable or toxic gases under such contact Hazardous decomposition: Burns to release nitrogen oxides, carbon oxides, and ammonia-based fumes Polymerization: No significant risk under normal storage Corrosivity: Attacks copper, brass, and some plastics; may degrade seals and gaskets
Routes of entry: Skin absorption, inhalation, ingestion, eye contact Acute symptoms: Causes severe burns to skin and eyes, respiratory and digestive tract irritation Chronic exposure: Persistent skin or airway irritation, potential for sensitization after repeated contact Lethal dose (oral, rat): Approximately 500 mg/kg Mutagenicity, carcinogenicity, reproductive toxicity: Studies are limited, classified as not expected to be mutagenic or carcinogenic, but caution applies due to lack of complete data First signs of poisoning: Headache, dizziness, nausea, burns, breathlessness Target organs: Respiratory system, skin, eyes, mucous membranes
Aquatic toxicity: Toxic to aquatic organisms, especially in concentrated spills Persistence: Biodegradable under aerobic conditions, but acute toxicity causes risk for aquatic life before breakdown Bioaccumulation: Unlikely due to high solubility and rapid environmental breakdown Environmental mobility: Moves quickly in water, can contaminate rivers, streams, groundwater during spillage Precautionary behavior: Prevent chemical and contaminated runoff from entering natural waterways
Residues and solutions: Treat as hazardous chemical waste; collect for incineration or approved hazardous waste facility Contaminated packaging: Rinse thoroughly, drip-dry and label for chemical waste Do not drain: Never release into drains, sewers, or watercourses Waste codes: Dispose in compliance with local hazardous waste regulations; routine landfill disposal does not protect environmental health
UN number: UN 2734 Shipping class: Flammable liquid, corrosive Packing group: II Hazard label: Corrosive, flammable Transport advice: Package securely in corrosion-resistant, leak-proof containers, avoid movement with incompatible cargoes, provide clear hazard labeling during all modes of transport
Chemical regulations: Listed in major chemical inventory and workplace safety databases globally Environmental restrictions: Subject to environmental release reporting and control based on regional laws Worker safety rules: Covered under global occupational hazard communication standards, with mandatory hazard pictograms and training Labeling requirements: GHS-compliant labeling with clear indication of hazards, safety precautions, and PPE recommendations Consumer restrictions: Limited consumer uses due to reactivity and toxicity, primarily permitted for industrial and research applications
