Product Name: N-Ethyl-N-Methylpyrrolidinium Acetate
CAS Number: 692340-18-4
Synonyms: 1-Ethyl-1-methylpyrrolidinium acetate, EMPA
Recommended Use: Solvent, ionic liquid, research chemical
Supplier Details: Manufacturer or distributor name, emergency contact information, office address, and telephone number for immediate assistance or product data gathering
Emergency Phone Number: Hours and country code specified for rapid problem-solving
Classification: Not classed as hazardous under GHS criteria, can cause irritation with direct contact
Physical Hazards: Combustible liquid, may produce irritating or toxic fumes during decomposition.
Health Hazards: May cause skin and eye irritation, possible respiratory discomfort following inhalation, gastrointestinal disturbance if swallowed.
Environmental Hazards: Possibly harmful to aquatic organisms if released in large quantities
Label Elements: Avoid contact with eyes, skin, and clothing; keep container tightly closed; wash hands thoroughly after handling
Signal Word: Warning for direct exposure
Chemical Name: N-Ethyl-N-Methylpyrrolidinium Acetate
Molecular Formula: C9H19NO2
Molecular Weight: 173.25 g/mol
Ingredient Percentage: 99% pure or greater, minor impurities under 1% total
Impurities: Water (≤0.5%), traces of by-products depending on the batch process
Inhalation: Move affected person to fresh air, keep at rest, monitor breathing, seek medical attention if symptoms persist
Skin Contact: Take off contaminated clothing, rinse area with plenty of running water and gentle soap, monitor for irritation, seek medical help for persistent redness or discomfort
Eye Contact: Rinse carefully with water for several minutes, remove contact lenses if present and easy to do, keep rinsing, consult an eye care specialist if irritation continues
Ingestion: Rinse mouth thoroughly, drink water in small amounts, do not induce vomiting unless directed by physician or poison center, call for immediate medical guidance
Advice for Emergency Responders: Show safety data sheet, use gloves and eye protection, follow decontamination protocols thoroughly
Extinguishing Media: Dry chemical powder, carbon dioxide, foam recommended for small fires; water spray for larger areas
Unusual Fire and Explosion Hazards: Releases carbon oxides, nitrogen oxides, and irritating fumes at high temperatures
Firefighter Protection: Self-contained breathing apparatus, full protective suit, avoid inhalation of combustion vapors
Special Precautions: Evacuate surrounding area, prevent runoff from fire control into environment
Personal Precautions: Wear chemical-resistant gloves, splash goggles, lab coat or apron, ensure adequate ventilation, use proper spill containment materials
Methods for Clean Up: Absorb with inert material (dry sand, earth), collect for disposal in sealed, labeled container, clean spill site with water and detergent
Environmental Precautions: Avoid release into drains, surface water, or soil. Alert authorities if significant spill threatens waterways
Safe Handling: Use in well-ventilated area, avoid unnecessary contact, keep container tightly closed when not in use, do not eat or drink around product
Storage Conditions: Store at room temperature away from moisture and direct light, segregate from strong oxidizers and acids, label shelf location and rotate older stock forward
Incompatible Materials: Strong acids, oxidizing agents, strong bases, avoid mixing with flammable chemicals
Exposure Limits: No specific occupational exposure limits found, minimize exposure using good laboratory practices
Engineering Controls: Use fume hood or local ventilation for bulk transfers, keep containers closed outside active work periods
Personal Protection: Chemical-resistant gloves (nitrile recommended), safety goggles, standard lab coat, face shield for splash-risk procedures
Respiratory Protection: Wear NIOSH-approved respirator if handling bulk quantities that may create mist or aerosol
Form: Colorless to pale yellow liquid
Odor: Mild, acetate-like smell
Melting Point: Approx. -20°C
Boiling Point: Above 200°C (decomposes)
Flash Point: >100°C (closed cup)
Evaporation Rate: Slower than water
Vapor Pressure: Low at 20°C
Solubility: Miscible with water and polar organics
Density: 1.09-1.12 g/cm³ at 20°C
Viscosity: Moderate to high
pH: 7-8 (neat), mildly basic to neutral
Partition Coefficient: No definitive value; expected soluble in water
Chemical Stability: Stable under recommended storage and handling conditions, avoid prolonged exposure to heat
Reactivity: No hazardous reactivity if used correctly
Decomposition Products: Thermal breakdown yields CO, CO₂, nitrogen oxides, acetic acid vapors
Incompatible Materials: Strong acids, oxidizers, bases, sources of ignition
Hazardous Polymerization: Not expected with normal conditions
Routes of Exposure: Inhalation of mist/vapor, skin, eyes, ingestion
Acute Effects: Skin and eye irritation, mild respiratory tract irritation, nausea if swallowed
Chronic Effects: No long-term animal data available, take care to avoid repeated exposure
Sensitization: No reports of skin or respiratory sensitization found in published data
Carcinogenicity: Not classified or listed under IARC/OSHA/NTP as a carcinogen
Ecotoxicity: Significant releases may endanger aquatic life through oxygen demand or toxicity to sensitive freshwater/marine organisms
Persistence and Degradability: Readily biodegradable under aerobic conditions, breaks down to acetic acid and ionic fragments
Bioaccumulation: Not expected based on structure and solubility
Mobility in Soil: High mobility in water, leachable through medium-texture soils
Other Effects: Avoid unintentional release to drains and lakes
Waste Handling: Collect in appropriately labeled container, avoid mixing with incompatible or non-hazardous wastes
Disposal Methods: Send as hazardous chemical waste according to local, regional, and national guidelines
Container Management: Rinse empty containers with water, inertize, send for chemical recycling if possible or approved incineration
Precautions: Never discharge into public wastewater systems or normal trash bins
UN Number: Not classified for transport under international ADR, IMDG, or IATA codes if shipped in limited quantity
Proper Shipping Name: N-Ethyl-N-Methylpyrrolidinium Acetate solution
Transport Hazard Class: Not regulated; treat as environmentally hazardous in bulk
Packing Group: Not assigned
Marine Pollutant: Not classed as marine pollutant
Special Precautions: Secure containers upright, insulate from heat sources, monitor for leaks throughout shipment
US TSCA Status: Listed or regulated under chemical inventory reporting
EU Regulation: REACH registration required above annual threshold; safety assessment required for workplace use
OSHA Status: Not regulated as specific hazardous substance, general laboratory safety standards apply
SARA Title III: No SARA 302 or 313 hazards known
Other Global Regulations: Check local environmental, worker safety, and chemical control regulations for the most recent legal limits and reporting thresholds
