Product Name: 1-Butyl-3-Ethylimidazolium Chloride
Chemical Formula: C9H17ClN2
CAS Number: 143314-17-4
Synonyms: BEImCl, BEIM-Cl
Recommended Use: Solvent, research chemical, ionic liquid applications
Manufacturer Contact: Manufacturer’s safety and emergency phone number, address, and email contact provided by supplier or product label
Emergency Phone Number: Provided by manufacturer or Chemtrec in relevant region
Restrictions on Use: Not for food, drug, or household use
GHS Classification: Not classified as hazardous according to GHS for most acute exposures; handle like a laboratory chemical
Signal Word: None required under standard hazard categories
Hazard Statements: May cause skin and eye irritation; dust or solution can irritate airways
Pictograms: Exclamation mark for irritant potential
Precautionary Statements: Avoid breathing dust, fume, or mist; wash hands thoroughly after handling; use personal protective equipment as required; store locked away from incompatible materials
Other Hazards: Dust may create slipping hazard; may be harmful to aquatic environments
Chemical: 1-Butyl-3-Ethylimidazolium Chloride
Chemical Identity: Single substance
CAS Number: 143314-17-4
Molecular Weight: 188.7 g/mol
Impurities: Trace water, other imidazolium salts depending on synthesis and storage
Inhalation: Remove to fresh air. Support breathing as needed. Get medical attention for persistent discomfort.
Skin Contact: Remove contaminated clothing. Rinse affected area with soap and water for several minutes. Seek medical help for irritation or rash.
Eye Contact: Rinse eyes with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Consult physician.
Ingestion: Rinse mouth with water. Do not induce vomiting. Obtain medical attention if unwell or if large quantities were swallowed.
Note to Physician: Provide symptomatic and supportive treatment for exposure.
Suitable Extinguishing Media: Use water spray, foam, dry chemical, or carbon dioxide for fires involving this material
Special Hazards: Product is not highly flammable but may release hazardous gases like nitrogen oxides, hydrogen chloride upon decomposition
Protective Equipment: Firefighters should use self-contained breathing apparatus, protective suit
Specific Methods: Cool containers exposed to heat with water spray; prevent runoff from entering drains and water sources
Personal Precautions: Wear gloves, goggles, protective clothing, and dust mask. Avoid inhalation and skin contact.
Environmental Precautions: Prevent entry into sewers or waterways. Notify local authorities if a large spill contaminates environment.
Cleanup Methods: Sweep up solid; collect with minimum dust and place in suitable container for disposal; wash area with soap and water; ventilate area after cleanup.
Handling: Work in well-ventilated space. Avoid generating dust. Use personal protective equipment. Do not eat, drink, or smoke while handling.
Storage: Store tightly closed in cool, dry, well-ventilated area. Keep separate from strong oxidizers, acids, and incompatible materials. Protect container from physical damage and moisture. Label containers clearly.
Exposure Limits: No specific occupational exposure limits established.
Engineering Controls: Use local exhaust ventilation or process enclosure when working with powder or heated material.
PPE - Eye/Face: Safety glasses with side shields or chemical splash goggles.
PPE - Skin: Chemical-resistant gloves (nitrile or neoprene recommended), laboratory coat.
PPE - Respiratory: Use dust mask or respirator in poorly ventilated or dusty environments.
PPE - Other: Wash hands before breaks and at end of work; do not wear contaminated clothing.
Appearance: White to pale yellow crystalline solid
Odor: Faint, almost odorless
pH: Not applicable in solid state; slightly acidic in aqueous solution
Melting Point: 62 – 68°C
Boiling Point: Decomposes before boiling
Flash Point: Not determined, solid at room temperature
Solubility: Soluble in water and many organic solvents
Vapor Pressure: Negligible at room temperature
Specific Gravity: About 1.1 g/cm³
Partition Coefficient: Not available
Evaporation Rate: Not applicable (solid)
Flammability: Not readily flammable
Chemical Stability: Stable at standard temperature and pressure
Condition to Avoid: Excess heat, moisture, strong oxidizers, strong acids
Incompatible Materials: Strong oxidizers, moisture, strong acids
Hazardous Decomposition: Nitrogen oxides, hydrogen chloride gas, carbon oxides upon combustion or strong heating
Polymerization: Will not occur under normal conditions
Acute Toxicity: Not acutely toxic based on available information, but avoid repeated or prolonged exposure
Skin: May cause mild irritation
Eyes: Irritation possible on contact
Inhalation: Respiratory tract irritation possible if dust is inhaled
Ingestion: Can cause discomfort or mild gastrointestinal symptoms
Long-Term Effects: No chronic toxicity data available; minimize unnecessary exposure
Carcinogenicity: Not listed by IARC, NTP, or OSHA
Mutagenicity: No data available; handle with care to prevent prolonged exposure
Ecotoxicity: Information limited; ionic liquids may affect aquatic species at certain concentrations
Persistence and Degradability: Data lacking, generally considered persistent
Mobility in Soil: High water solubility, may leach to groundwater
Bioaccumulation Potential: No evidence of significant bioaccumulation
Precautions: Avoid release to environment; minimize use and prevent wash-off into drains or waterways
Waste Disposal: Dispose of in accordance with federal, state, and local environmental regulations
Unused Product: Treat as hazardous laboratory chemical waste
Contaminated Packaging: Empty containers and packaging must be triple rinsed or disposed of as hazardous material
Disposal Methods: Incinerate or managed by licensed chemical disposal contractor. Do not release to environment.
UN Number: Not classified as hazardous for transport
Shipping Name: Not regulated
Hazard Class: None assigned
Packing Group: None assigned
Environmental Hazards: Not a marine pollutant under current criteria
Transport Precautions: Avoid moisture and physical damage during handling or transport
TSCA: Listed or meets US EPA TSCA requirements for research or commercial use
REACH: Complies with or subject to registration, depending on quantities and applications in EU
SARA Title III: Not listed under emergency planning or hazardous chemical categories
California Proposition 65: Not known to contain listed substances
WHMIS (Canada): Not classified as hazardous according to current criteria
Other Regulations: Observe all allowable limits, guidelines, and recommendations for chemical laboratory safety as set by regional and national authorities
