Product Name: 1-Propyl-3-Methylimidazolium Acetate
Chemical Family: Ionic Liquid
CAS Number: 331717-63-6
Molecular Formula: C9H16N2O2
Molecular Weight: 184.24 g/mol
Synonyms: [PMIM][Ac], 1-Propyl-3-methylimidazolium ethanoate
Recommended Use: Solvent for cellulose dissolution, research chemical, laboratory reagent
Restrictions: Not for food or drug use, not for household applications
Manufacturer Contact: Provide accurate address and emergency phone number for supplier
GHS Classification: Skin irritant, Eye irritant, Specific target organ toxicity (single exposure)
Signal Word: Warning
Hazard Statements: Causes skin irritation, causes serious eye irritation, may cause respiratory irritation
Precautionary Statements: Avoid breathing mist or vapors, wash thoroughly after handling, use only outdoors or in well-ventilated area, wear protective gloves/protective clothing/eye protection/face protection, store locked up
Pictograms: Exclamation mark
Other Hazards: May cause mild central nervous system effects, no specific carcinogenic properties reported
Chemical Name: 1-Propyl-3-methylimidazolium acetate
Concentration: ≥ 95% by weight
CAS Number: 331717-63-6
Impurities: Water (<1%), possible trace organic contaminants from synthesis
Other Ingredients: No additional hazardous components present per OSHA regulations
Inhalation: Move exposed person to fresh air; seek medical attention if symptoms appear
Skin Contact: Remove contaminated clothing; rinse skin with plenty of water for at least 15 minutes; if irritation develops, get medical help
Eye Contact: Rinse immediately with plenty of water for at least 15 minutes, lifting upper and lower eyelids; remove contact lenses if present and easy to do; continue rinsing; if pain persists, consult physician
Ingestion: Rinse mouth; do not induce vomiting; seek immediate medical attention if unwell
Most Important Symptoms: Redness, irritation, possible nausea or headache after inhalation or ingestion
Medical Attention: Treat symptomatically based on exposure route; no specific antidote known
Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Unsuitable Extinguishing Media: None specified, use caution with high powered water jets
Specific Hazards: Product is not highly flammable but may decompose on burning to yield toxic gases such as nitrogen oxides, carbon monoxide, carbon dioxide
Protective Equipment: Self-contained breathing apparatus and full protective gear for fire fighters
Explosion Risk: Not predicted to form explosive dust-air mixtures under normal conditions
Firefighting Measures: Move containers from fire area if safe; cool containers with water if exposed to heat; contain runoff water and avoid environmental release
Personal Precautions: Use appropriate personal protective equipment including gloves, goggles, and respirator if needed
Environmental Precautions: Prevent release to soil, drains, or waterways
Methods for Containment: Absorb spills with inert material (sand, earth, vermiculite); transfer material and cleaning residues to suitable containers for proper disposal
Clean-Up Procedures: Wash spill area after clean-up; ventilate area well; dispose in accordance with national and local regulations
Large Spills: Dike area to contain; notify relevant authorities if significant environmental contamination risk exists
Precautions for Safe Handling: Avoid contact with skin and eyes; avoid inhaling vapors or spray; wash hands thoroughly after handling; use in well-ventilated area or under fume hood
Storage Conditions: Store in tightly closed container away from moisture and direct sunlight; keep at temperature below 30°C; separate from incompatible materials such as strong acids, bases, and oxidizers
Specific Uses: Only for industrial, laboratory, and research purposes
Incompatibilities: Avoid contact with strong oxidizers, hydrolyzing agents, and acids
Occupational Exposure Limits: No established limits for this chemical
Engineering Controls: Use local exhaust ventilation or process enclosures
Personal Protective Equipment:
Gloves: Nitrile or neoprene
Eye Protection: Safety glasses with side shields or goggles
Skin Protection: Lab coat or apron
Respiratory Protection: Required only if ventilation isn’t sufficient; use NIOSH-approved respirator
Hygiene Measures: Do not eat, drink, or smoke during use; wash hands and exposed skin after work
Control Parameters: Monitor air quality if vapor exposure is possible
Appearance: Clear to pale yellow liquid
Odor: Slightly sweet, acetate-like
Odor Threshold: Not available
pH: Approximately 8-9 (100 g/L, 25°C)
Melting Point/Range: Below 0°C
Boiling Point: Decomposes before boiling
Flash Point: Above 180°C (closed cup, estimated)
Evaporation Rate: Not available
Flammability: Not classified as flammable
Vapor Pressure: Negligible at room temperature
Density: About 1.08-1.12 g/cm³
Solubility: Miscible with water, alcohols
Partition Coefficient (n-octanol/water): Not available
Viscosity: Moderate (dependant on temperature)
Decomposition Temperature: Above 200°C
Molecular Weight: 184.24 g/mol
Chemical Stability: Stable under normal storage and handling conditions
Incompatibility: Reacts with strong acids, strong bases, oxidizers; may be hydrolyzed by water over time
Hazardous Decomposition: May liberate carbon monoxide, carbon dioxide, nitrogen oxides, small amounts of organic acids on combustion or decomposition
Polymerization: Not known to undergo hazardous polymerization
Conditions to Avoid: High temperatures, direct sunlight, moisture ingress
Reactivity: Not aggressive; no violent reactions reported in standard use
Acute Toxicity: Low acute oral and dermal toxicity reported in animal tests; LD50 (oral, rat) >2,000 mg/kg
Skin Corrosion/Irritation: Can cause mild to moderate irritation; prolonged or repeated exposure may worsen effects
Serious Eye Damage/Irritation: May stimulate moderate to severe irritation, tearing, redness, potential reversible damage
Respiratory Sensitization: No specific data, but vapor/mist may cause irritation to upper respiratory tract
Germ Cell Mutagenicity: No information or evidence supporting mutagenic effects
Carcinogenicity: Not listed by IARC, NTP, OSHA
Reproductive Toxicity: Insufficient human or animal data available
Specific Target Organ Toxicity: Short-term inhalation and ingestion may cause headache, dizziness, stomach upset; no chronic target organ toxicity described
Additional Information: Handle with care; minimize exposure through good safety practices
Ecotoxicity: Some studies show low to moderate aquatic toxicity; EC50 for Daphnia magna >100 mg/L
Persistence and Degradability: Not readily biodegradable; tends to persist in aquatic environments
Bioaccumulative Potential: No strong tendency for bioaccumulation
Mobility in Soil: Expected to be highly mobile in water due to solubility
Other Harmful Effects: Should not be released in significant amounts to sewage or natural water bodies; monitor and control any large-scale discharges
Environmental Advice: Collect spills, avoid environmental contamination; inform relevant authorities if widespread release is possible
Waste Treatment Methods: Dispose of via licensed waste disposal company
Product Disposal: Treat unused material as hazardous waste; dispose in accordance with local, regional, and national laws
Contaminated Packaging: Rinse thoroughly, dispose as per chemical waste
Additional Tips: Do not pour down the drain; avoid discharge to environment; incineration recommended if available
Legal Compliance: Follow all applicable regulations and guidance for hazardous chemical disposal
UN Number: Not regulated for transport under ADR, IMDG, IATA
Proper Shipping Name: Not classified under dangerous goods
Transport Hazard Class: Not regulated
Packing Group: Not applicable
Special Precautions: Protect against physical damage and extreme temperatures during transport
Additional Information: Transport in tightly closed containers; use secondary containment to prevent leaks
Environmental Hazards: Not expected to endanger the environment if transported as intended
TSCA Inventory Status: Check supplier or regional inventories for status
REACH Registration: Pre-registered under EU REACH, check import volume requirements
OSHA Hazards: Irritant
SARA Title III: Not listed as reportable under SARA 302, 304, 313
California Proposition 65: Not known to be listed
Canadian WHMIS Classification: Not classified as hazardous under current WHMIS criteria
Other International Regulation: Compliance with local workplace safety and environmental protection laws applies
