Chemical Name: 1-Propyl-3-Ethylimidazolium Tetrafluoroborate
Synonyms: [PEIM][BF4]; 1-Ethyl-3-Propylimidazolium Tetrafluoroborate
CAS Number: 174501-65-6
Product Use: Used as ionic liquid in catalysis, electrochemistry, batteries, and separations
Supplier: Manufacturer or distributor contact details available upon request
Emergency Phone: Refer to local supplier's emergency contact number
GHS Classification: Not classified as dangerous according to GHS, but may cause irritation
Physical Hazards: Non-flammable under normal conditions, may decompose at elevated temperatures
Health Hazards: Eye irritation, skin irritation, may cause respiratory irritation from vapor or mist
Environmental Hazards: Toxic to aquatic organisms
Signal Word: Warning
Hazard Statements: Causes skin and eye irritation; harmful to aquatic life
Precautionary Statements: Avoid contact with skin, eyes, and clothing; avoid breathing dust, vapors, or mist
Chemical Identity: 1-Propyl-3-Ethylimidazolium Tetrafluoroborate
CAS Number: 174501-65-6
EC Number: 695-009-7
Concentration: 100% (single component compound)
Impurities or Stabilizing Additives: Typically absent or negligible; verify batch certificate for trace contaminants such as water or byproducts
Inhalation: Move to fresh air, seek medical attention if symptoms persist such as coughing or difficulty breathing
Skin Contact: Wash skin thoroughly with soap and plenty of water; remove contaminated clothing
Eye Contact: Rinse immediately with plenty of water for at least 15 minutes, keep eyelids open, seek medical attention
Ingestion: Rinse mouth, do not induce vomiting, call a physician or poison control center
Important Symptoms: Burning sensation, itching, discomfort in exposed areas
Note for Physician: Treat symptomatically; monitor for chemical pneumonitis in severe inhalation cases or allergic reactions
Extinguishing Media: Water spray, dry chemical, foam, and carbon dioxide are suitable
Unsuitable Media: High-pressure water streams may spread material
Hazards: May release toxic fumes of hydrogen fluoride, boron oxides, and imidazole derivatives at temperatures above 200°C
Protective Equipment: Firefighters should wear self-contained breathing apparatus and chemical-resistant clothing
Advice: Move containers from fire area if it can be done safely; cool containers exposed to flames with flooding amounts of water
Personal Precautions: Avoid inhalation of vapor or mist; wear appropriate gloves and eye/face protection
Environmental Precautions: Prevent further leakage or spillage if safe; avoid entry into sewers or waterways
Cleanup Methods: Absorb with inert, non-combustible material such as sand or diatomaceous earth; collect and place in containers for disposal
Decontamination: Wash contaminated area with water and mild detergent after substance removal
Handling: Ensure adequate ventilation, minimize generation of vapor or dust, use only with appropriate protective equipment
Hygiene: Wash hands thoroughly after handling; avoid eating, drinking, or smoking while working with the substance
Storage: Store in cool, dry, and well-ventilated area away from sources of ignition and humidity
Container Compatibility: Keep in tightly closed chemical-resistant containers made of glass or high-density polyethylene
Special Precautions: Keep away from acids, bases, strong oxidizers, and materials susceptible to hydrolysis
Engineering Controls: Use local exhaust ventilation or chemical fume hoods
Exposure Limits: No specific occupational exposure limits established
Respiratory Protection: Use NIOSH-approved respirators in case of high vapor or mists
Skin Protection: Wear chemical-resistant gloves such as nitrile or neoprene
Eye Protection: Use chemical safety goggles with side shields or face protection
Other Protection: Wear laboratory coat or apron; ensure eyewash stations and safety showers are accessible
Appearance: Colorless to pale yellow liquid
Odor: Mild, characteristic
Odor Threshold: Not determined
pH: Neutral to mildly acidic in aqueous solution
Melting Point: Typically -60°C to -45°C
Boiling Point: Decomposes before boiling, above 210°C
Flash Point: > 150°C (closed cup method)
Evaporation Rate: Very low
Flammability: Not flammable under standard conditions
Upper/Lower Flammability Limits: Not applicable
Vapor Pressure: Negligible at room temperature
Vapor Density: Not available
Solubility: Miscible with water and polar solvents
Partition Coefficient (n-octanol/water): Not determined
Auto-ignition Temperature: Not self-igniting
Decomposition Temperature: Begins above 180–200°C
Viscosity: Moderate, typically 60–120 mPa·s at 25°C
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: Reacts with strong oxidizing agents and hydrolyzes slowly in moist air
Conditions to Avoid: Heating above decomposition temperature, exposure to strong acids and bases
Incompatible Materials: Strong oxidizers, strong acids, alkali metals, sources of fluoride
Hazardous Decomposition Products: Hydrogen fluoride, boron trifluoride, imidazoledione, and other fluorinated compounds
Acute Toxicity: Limited data for acute oral and dermal toxicity; low risk by dermal contact, but ingestion or inhalation can cause irritation
Skin Corrosion/Irritation: May cause redness, itching, and slight inflammation
Serious Eye Damage/Eye Irritation: Causes temporary irritation, redness, and watering
Respiratory Sensitization: No strong evidence; possible transient irritation at high concentrations
Carcinogenicity: No components classified as carcinogenic by IARC, NTP, or OSHA
Mutagenicity: No evidence from available studies
Reproductive Toxicity: No specific studies, avoid exposure during pregnancy
Target Organ Effects: High exposure may impact skin, eyes, and mucous membranes
Chronic Effects: Prolonged exposure may lead to skin dryness or cracking
Aquatic Toxicity: Harmful to aquatic life with long-lasting effects, especially for invertebrates
Persistence and Degradability: Not readily biodegradable, remains for extended periods in soil and water
Bioaccumulation Potential: Low to moderate; limited bioaccumulation expected
Mobility in Soil: Highly mobile in water, potential for leaching
Other Adverse Effects: Product contains fluorinated anion, fluorides may accumulate in the environment
Avoid Release: Minimize discharges into surface waters, soil, and drains
Waste Disposal: Dispose of in accordance with local, regional, and national regulations; do not discharge into environment
Incineration: Suitable for combustion in hazardous waste incinerator equipped to remove acidic and fluoride gases
Contaminated Packaging: Empty containers may retain product residues; triple rinse before disposal or recycling
Alternate Disposal Methods: Consult competent authorities for approved methods of large-scale disposal
UN Number: Not regulated for transport under ADR, IMDG, or IATA rules in most jurisdictions
Transport Hazard Class: Not classified as a dangerous good
Packing Group: Not applicable
Environmental Hazards: Not a Marine Pollutant by current criteria, but avoid spills
Special Precautions: Keep packaging sealed and secure during transit; protect from extreme heat and mechanical shock
Emergency Procedures: In event of accidental release, contain and clean up as per spill response guidelines
Safety, Health, and Environmental Regulations: Not subject to specific regulatory restrictions under major chemical inventories (TSCA, EINECS), though subject to general workplace safety requirements under OSHA and comparable authorities
Chemical Risk Assessment: Users should undertake site-specific risk assessment based on nature and scale of use
Labeling: GHS labeling suggested for laboratory and industrial settings
Restrictions: Use restricted to trained professionals; not permitted in consumer products
Inventory Listings: Present on most global chemical inventories, verify compliance for local jurisdiction
Other Regulations: Waste streams may be subject to environmental protection acts and water pollution control laws
