Substance Name: Dibutylamine
Chemical Formula: C8H19N
CAS Number: 111-92-2
Synonyms: N-Butyl-1-butanamine, 1-Butanamine, N-butyl-, DBA
Supplier: Manufacturer or local distributor information printed on the drum or packaging
Telephone for Emergency: Refer to the label or product documentation for phone contacts
Recommended Use: Used in organic synthesis, as a corrosion inhibitor, and in rubber processing
Classification: Flammable Liquid (Category 3), Acute Toxicity Oral (Category 4), Skin Corrosion/Irritation (Category 2), Eye Damage/Irritation (Category 2A)
Signal Word: Warning
Hazard Statements: Flammable liquid and vapor; Harmful if swallowed; Causes skin irritation; Causes serious eye irritation; May cause respiratory irritation
Pictograms: Flame, Exclamation mark
Potential Effects: Burning sensation, cough, headaches, drowsiness if inhaled, reddening of skin, stinging of eyes
Environmental Impact: Harmful to aquatic life, possible long-term effects on water sources
Chemical: Dibutylamine
Concentration: Greater than 98%
Impurities: Trace levels of related butylamines possible
Other Ingredients: None listed
Molecular Weight: 129.24 g/mol
Inhalation: Move affected person to fresh air, keep at rest, get medical attention if symptoms persist
Skin Contact: Remove contaminated clothing, wash skin with plenty of water for 15 minutes, seek medical help for irritation or burns
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses, continue rinsing, see a doctor urgently
Ingestion: Rinse mouth, do not induce vomiting, give water to drink if conscious, immediate medical attention is important
Note for Physicians: Symptomatic treatment recommended; monitor for respiratory distress, chemical burns, risk of aspiration
Suitable Extinguishing Media: Alcohol-resistant foam, dry chemical powder, carbon dioxide; water spray can be used for cooling
Hazardous Combustion Products: Toxic gases including nitrogen oxides and carbon oxides
Special Protective Equipment: Self-contained breathing apparatus and full protective suit for firefighters
Specific Hazards: Vapors may form explosive mixtures with air, containers exposed to heat may explode
Additional Advice: Approach fire with caution from upwind, isolate area, avoid breathing vapors
Personal Precautions: Evacuate non-essential personnel, avoid breathing vapors, ventilate area, use appropriate respiratory protection
Spill Containment: Stop leakage if safe, prevent entry into drains or watercourses
Clean-Up Methods: Absorb with non-combustible material like sand, collect in containers for proper disposal, wash spill site after material pickup is complete
Environmental Precautions: Notify authorities if product enters waterways, keep away from soil and ground water
Handling Practices: Avoid inhaling fumes, wear protective gloves and goggles, keep away from open flames and hot surfaces, use only in well-ventilated places
Storage Conditions: Store in tightly closed container, keep in cool, dry, well-ventilated area, keep segregated from acids, oxidizers, sources of ignition
Specific Risks: Avoid release to environment, take precautions to prevent electrostatic discharge
Compatibility: Incompatible with acid chlorides, acids, strong oxidizers, anhydrides
Workplace Exposure Limits: OSHA PEL: Not established; ACGIH TLV: 5 ppm (skin); other countries may set lower thresholds
Engineering Controls: Local exhaust ventilation, eye wash stations, safety showers
Personal Protective Equipment: Nitrile gloves, chemical safety goggles, flame-retardant clothing, approved respirator if ventiliation is poor
Hygiene Measures: No eating, drinking, or smoking where the chemical is handled; wash hands thoroughly after use
Appearance: Clear to yellowish liquid
Odor: Strong, fish-like, ammonia odor
Odor Threshold: 0.06 ppm (distinct)
pH: Strongly alkaline (aqueous solution)
Boiling Point: 160 – 161°C
Melting Point: -62°C
Flash Point: 49°C (closed cup)
Vapor Pressure: 4 mm Hg at 20°C
Solubility: Slightly soluble in water, miscible with many organic solvents
Relative Density: 0.77 (water = 1)
Auto-ignition Temperature: 320°C
Evaporation Rate: Not fast; based on volatility
Partition Coefficient: log Pow: 1.45
Chemical Stability: Remains stable under recommended conditions
Conditions to Avoid: Heat, sparks, flames, sources of static electricity
Incompatible Materials: Strong acids, acid chlorides, oxidizing agents, anhydrides
Hazardous Decomposition Products: Produces nitrogen oxides, carbon monoxide, carbon dioxide in fire;
Polymerization: No dangerous polymerization predicted
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity: Oral LD50 (rat): 800 mg/kg; Dermal rabbit: moderate skin irritation; Inhalation: can irritate mucous membranes
Health Effects: Headaches, dizziness, respiratory tract irritation, coughing, possible nausea, dry or cracked skin
Chronic Effects: Prolonged exposure may damage liver, kidneys, central nervous system
Mutagenicity/Carcinogenicity: No evidence for mutagenic or carcinogenic properties; not listed as a carcinogen by IARC, NTP or OSHA
Ecotoxicity: Acute aquatic toxicity reported for fish (LC50 48h: 143 mg/L, Leuciscus idus), toxic to aquatic organisms at high concentrations
Mobility: Likely to evaporate from soil and surface waters, can migrate into groundwater
Persistence: Degrades slowly in groundwater, breaks down faster in sunlight
Bioaccumulation Potential: Not expected to bioaccumulate significantly in aquatic species
Other Adverse Effects: Alters pH and chemistry of water bodies if released, can have long-term impacts on local organisms
Waste Handling: Collect and contain spills, absorb onto earth or sand, place in approved container
Disposal Method: Hand over for authorized chemical waste collection; incineration advised in accordance with local regulations
Packaging Disposal: Empty containers should be triple rinsed, punctured and submitted for recycling, hazardous waste management if contaminated
Precautions: Never dump in sewers, natural waterways, or public wastes
UN Number: 2248
Proper Shipping Name: Dibutylamine
Transport Hazard Class: 3 (Flammable liquid)
Packing Group: III
Labels: Flammable liquid
Transportation Regulations: DOT, IATA, IMDG as dangerous goods; follow national and international carriage rules, segregate from foodstuffs
OSHA: Classified as hazardous
TSCA: Listed in the inventory
SARA Title III: Section 302: Not listed; Section 313: Not listed
REACH/CLP (EU): Requires registration, subject to restrictions for hazardous substances
WHMIS (Canada): Included on the Controlled Products list
Other Regulations: State and local laws may apply, always consult current regulations before use or transport
