Product Name: Dioctylamine
Chemical Formula: C16H35N
CAS Number: 2041-94-9
Synonyms: N,N-Dioctylamine, Dioctylamine, Octylamine, dioctyl
Use: Used in chemical synthesis, lubricants, corrosion inhibitors, surfactants, and agricultural chemicals.
Manufacturer: Typically produced by chemical suppliers specializing in amines.
Contact for Emergencies: Refer to supplier-specific numbers or local poison control center.
GHS Classification: Harmful if swallowed or inhaled. Causes severe skin burns and eye damage. May cause respiratory irritation.
Signal Word: Danger
Hazard Statements: Toxic in contact with skin and if inhaled. Harmful to aquatic life with long-lasting effects. Flammable liquid and vapor.
Pictograms: Corrosive, health hazard, exclamation mark.
Precautionary Statements: Wear protective gloves and clothing, avoid breathing vapors, do not eat or drink when using, wash hands thoroughly after handling.
Most Important Hazards: Strong irritant, burns on contact, rapid vapor inhalation can lead to respiratory distress, environmental contamination concerns.
Symptoms: Burning sensation, cough, sore throat, redness, blisters, vision impairment, headache, nausea.
Chemical Name: Dioctylamine
Concentration: Pure, usually >98%
Impurities: May contain minimal traces of other alkylamines or unreacted octylamine.
Molecular Weight: 241.46 g/mol
Inhalation: Move person to fresh air, keep warm and at rest, provide oxygen if breathing is difficult, seek immediate medical attention.
Skin Contact: Remove contaminated clothing, rinse affected area thoroughly with water for at least 15 minutes, seek medical help for burns or persistent irritation.
Eye Contact: Flush eyes with plenty of water for a minimum of 15 minutes, lift eyelids to ensure complete removal, consult an ophthalmologist immediately.
Ingestion: Do not induce vomiting, rinse mouth with water, give water to drink if victim is fully conscious, immediate medical care is critical.
Most Important Symptoms: Burns, irritation, pain, possible long-term tissue damage.
Suitable Extinguishing Media: Foam, dry chemical powder, carbon dioxide, do not use water jet.
Special Protective Equipment: Firefighters should wear full protective suit, self-contained breathing apparatus.
Hazardous Decomposition: Emits nitrogen oxides and carbon oxides when burned.
Fire/Explosion Hazards: Flammable liquid, may form explosive vapors in air, vapors heavier than air and travel to source of ignition.
Advice for Firefighters: Use water spray to cool containers, evacuate area if necessary.
Personal Protection: Evacuate area, ventilate space, wear gloves, goggles, and respirator.
Environmental Precautions: Prevent product from entering drains, surface water, or soil.
Containment: Absorb spill with inert material (sand, earth), place in chemical waste container.
Clean-Up: Avoid generating vapor, ventilate area, thoroughly wash contaminated surfaces with detergent and water.
Waste Disposal: Collect residue in suitable containers, dispose of as hazardous waste in accordance with local regulations.
Handling: Use in well-ventilated area, avoid contact with skin, eyes, and clothing, wash hands after handling, keep away from heat and ignition sources.
Storage: Keep container tightly closed, store in cool, dry, well-ventilated area away from incompatible substances like acids or oxidizing agents.
Recommended Materials for Packaging: Store in polyethylene or stainless steel containers, avoid aluminum.
Special Precautions: Ground and bond containers during transfer, segregate from food and water supplies.
Engineering Controls: Use chemical fume hood, provide eyewash and safety shower in work area, ensure adequate ventilation.
Occupational Exposure Limits: No established OSHA or ACGIH limits, minimize exposure through PPE.
Personal Protective Equipment (PPE): Chemical-resistant gloves (nitrile or neoprene), splash goggles, lab coat or apron, face shield, suitable respiratory protection if vapor levels exceed threshold.
Exposure Monitoring: Monitor air levels in workplace, regular health surveillance for workers.
State: Liquid
Color: Colorless to pale yellow
Odor: Amine-like, fishy
Boiling Point: Around 300°C (572°F)
Melting Point: 8-12°C (46-54°F)
Flash Point: ~126°C (259°F)
Specific Gravity: 0.81-0.83 (Water = 1)
Solubility in Water: Practically insoluble
Vapor Pressure: Low at room temperature
Autoignition Temperature: Not readily available
Evaporation Rate: Slow
Partition Coefficient (Log Pow): High, significant bioaccumulation potential.
Chemical Stability: Stable under recommended storage and handling conditions.
Incompatibility: Reacts violently with strong acids, oxidizers, aldehydes, acid chlorides.
Conditions to Avoid: Heat, open flames, sources of ignition.
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, nitrogen oxides, possibly toxic amine fumes.
Polymerization: Will not occur.
Corrosivity: May attack certain metals, especially aluminum.
Acute Toxicity: LD50 (oral, rat): 280 mg/kg, highly toxic by ingestion.
Skin Corrosion/Irritation: Causes severe irritation and burns.
Eye Damage: Serious risk of eye damage, possible blindness.
Respiratory Effects: Inhalation causes coughing, chest pain, pulmonary edema in severe cases.
Chronic Effects: Prolonged exposure may damage liver, kidneys, nervous system.
Sensitization: No strong evidence of sensitization; occupational asthma possible in sensitive individuals.
Carcinogenicity: Not classified as a known carcinogen.
Mutagenicity/Reproductive Toxicity: No current data suggesting mutagenic or reproductive effects.
Aquatic Toxicity: Harmful to aquatic organisms (LC50, fish: 2-10 mg/L).
Persistence and Degradability: Not rapidly biodegradable.
Bioaccumulative Potential: Tends to bioaccumulate in aquatic organisms owing to log Pow >4.
Mobility in Soil: Strongly adsorbed to soil particles, low mobility, some potential for groundwater contamination if spilled in large quantities.
Other Adverse Effects: May cause local damage to flora and fauna if released in bulk.
Waste Treatment Methods: Collect and place in labeled containers for chemical waste.
Disposal of Product: Burn in a chemical incinerator equipped with afterburner and scrubber, comply with national or regional waste regulations.
Disposal of Containers: Triple rinse empty containers and send to a licensed drum reconditioner or industrial landfill.
Precautions: Avoid release to environment, keep away from drains.
UN Number: 2734
Proper Shipping Name: Amines, liquid, corrosive, flammable, n.o.s. (Dioctylamine)
Transport Hazard Class: 8 (Corrosive), 3 (Flammable Liquids)
Packing Group: II
Shipping Labels: Corrosive, flammable
Special Precautions: Protect containers from physical damage, secure during transport, emergency response guides must be available.
Environmental Hazards: Marine pollutant, avoid spills.
TSCA Status: Listed in the United States Toxic Substances Control Act inventory.
REACH Registration: Required for import and manufacture in the EU; check for current status.
OSHA Regulations: Regulated hazardous chemical, requires proper labeling and worker training.
SARA Title III: Covered under Section 311/312 (immediate health hazard, fire hazard).
Canadian WHMIS: Classified as D1B (toxic), E (corrosive).
Other State/Regional Regulations: Specific rules or reporting requirements may apply (consult local environmental protection agencies).
