Product Name: N-Butylimidazolium Tetrafluoroborate
Chemical Formula: C7H15BF4N2
CAS Number: 174501-65-6
Use: Solvent, ionic liquid in chemical synthesis and electrochemical applications
Supplier: Chemical distributors, laboratory suppliers
Contact Information: Emergency contact number, Manufacturer name and address
Synonyms: 1-Butyl-3-methylimidazolium tetrafluoroborate, BMIM BF4
Recommended Restrictions: Non-industrial use discouraged, laboratory settings only
Classification: Irritant, Acute Toxicity (Oral and Dermal), Environmental Hazard
Signal Word: Warning
Hazard Statements: Harmful if swallowed, causes serious eye and skin irritation, may cause respiratory irritation, toxic to aquatic life
Precautionary Statements: Avoid contact with skin, eyes; do not breathe vapors or mists; avoid release to the environment; wear protective gloves, clothing, and eye protection
Pictograms: Exclamation mark, Environment
Potential Health Effects: Exposure may irritate airways, skin, and eyes; ingestion may result in gastrointestinal disturbances
GHS Classification: Eye Irritation – Category 2; Skin Irritation – Category 2; Acute Aquatic Toxicity – Category 2
Chemical Name: N-Butylimidazolium Tetrafluoroborate
Percentage: >98% purity
Impurities: Less than 2% water, trace organic impurities possible
Molecular Weight: 210.017 g/mol
Other Names: 1-Butyl-3-methylimidazolium tetrafluoroborate, BMIM BF4
Eye Contact: Rinse cautiously with water for several minutes; remove contact lenses if present; continue rinsing; seek medical advice
Skin Contact: Wash with soap and water; remove contaminated clothing; seek medical attention if irritation persists
Inhalation: Move person to fresh air; maintain comfortable breathing; consult physician if symptoms develop
Ingestion: Rinse mouth thoroughly with water; do not induce vomiting; seek medical attention immediately
Symptoms: Eye redness, skin irritation, coughing, nausea, stomach ache
Advice for Doctors: Symptomatic and supportive care only
Suitable Extinguishing Media: Carbon dioxide, dry chemical, foam, water spray
Unsuitable Media: Direct water jet may spread material
Hazardous Combustion Products: Releases toxic gases including hydrogen fluoride, boron oxides, and imidazole fumes
Special Protective Equipment: Full protective gear, self-contained breathing apparatus
Specific Hazards: Container may rupture from heat, toxic fumes may accumulate in fire conditions
Advice for Firefighters: Avoid inhaling combustion products, cool containers with water from safe distance
Personal Precautions: Wear protective equipment, avoid skin and eye exposure, ensure adequate ventilation
Environmental Precautions: Prevent spill from entering drains, sewers, or waterways, contain with sand or inert absorbents
Cleanup Methods: Absorb with inert material (sand, earth), collect into suitable containers, wash area with soap and water
Disposal: Dispose in accordance with local hazardous waste regulations
Emergency Procedures: Notify safety personnel, if required evacuate area, avoid walking through spilled material
Handling: Avoid inhalation, direct skin and eye contact; work in chemical fume hood; use proper PPE
Storage: Store in tightly sealed containers in a cool, dry, ventilated area away from heat and incompatible materials
Incompatibilities: Strong oxidizers, acids, strong bases, moisture
Hygiene: Wash thoroughly after handling, do not eat, drink or smoke while handling, launder work clothes regularly
Special Notes: Use non-sparking tools and explosion-proof equipment if handling large quantities
Engineering Controls: Use chemical fume hood, local exhaust ventilation recommended for significant use
Personal Protective Equipment (PPE): Chemical resistant gloves (nitrile or neoprene), safety goggles or face shield, lab coat, closed-toe shoes
Respiratory Protection: Use NIOSH-approved respirators if ventilation inadequate
Exposure Limits: No established occupational exposure limits, use prudent safety practices
Environmental Controls: Prevent release to environment, use spill containment where appropriate
Appearance: Colorless to pale yellow liquid
Odor: Mild, slightly sweet
pH: Not available, low hydrolysis risk
Melting Point: -80 °C
Boiling Point: >250 °C at atmospheric pressure
Flash Point: >150 °C (closed cup)
Auto-ignition Temperature: Not determined
Vapor Pressure: Negligible at room temperature
Solubility: Mixes with water, alcohols, polar organic solvents
Partition Coefficient: Log P not determined
Density: Approximately 1.21 g/cm³ at 20 °C
Viscosity: Moderate, around 100-150 cP at 25 °C
Evaporation Rate: Very low
Decomposition Temperature: >300 °C
Chemical Stability: Stable under normal temperatures, moisture sensitive
Reactivity: Reacts with strong acids and bases, decomposes on strong heating
Incompatibility: Moisture, strong oxidizing agents, strong acids, alkali metals
Hazardous Reactions: Not expected under ordinary conditions
Decomposition Products: Hydrogen fluoride, boron trifluoride, carbon oxides, imidazole vapors
Polymerization: Will not polymerize spontaneously
Routes of Exposure: Inhalation, ingestion, skin, and eye contact
Acute Toxicity: LD50 (oral, rat) > 2000 mg/kg; LD50 (dermal, rat) > 2000 mg/kg
Skin Irritation: Moderate irritation possible
Eye Irritation: Severe irritation likely
Respiratory Effects: Coughing, shortness of breath from vapor or mist at high concentrations
Chronic Effects: No data on repeated exposure or long-term health risks; prudent practice limits repeated handling
Sensitization: Not expected, but cases not ruled out
Carcinogenicity/Mutagenicity: Not classified by IARC, NTP, ACGIH; no conclusive animal studies
Reproductive Toxicity: No data indicating reproductive risk
Symptoms: Redness, burning sensation, gastrointestinal discomfort, headache
Ecotoxicity: Toxic to aquatic life, especially invertebrates and algae; EC50 (48h – Daphnia magna) ≈ 8-30 mg/L
Persistence and Degradability: Not readily biodegradable in standard tests
Bioaccumulation: Potential low, based on physicochemical properties
Mobility in Soil: Mobile in water; may contaminate groundwater if released
Other Effects: Avoid uncontrolled releases; ionic liquids may disrupt aquatic chemical balance
Further Remarks: Long-term ecosystem impact remains understudied for ionic liquids
Waste Disposal: Dispose in accordance with local, national hazardous waste regulations
Incineration: Allowed at facilities with proper flue gas scrubbing
Do Not: Flush to sewer, waterways, or soil
Contaminated Packaging: Dispose of as hazardous waste, do not reuse
Special Precautions: Label waste containers properly, store closed until pick-up
UN Number: Not regulated by international transport regulations (ADR/RID/IMDG/IATA), but local rules apply
Transport Hazard Class: Not classified, use caution during shipment
Packing Group: Not specified
Proper Shipping Name: N-Butylimidazolium Tetrafluoroborate
Environmental Hazards: Avoid release, label as environmentally hazardous if shipped in bulk
Special Precautions: Secure containers, protect from moisture and mishandling
U.S. TSCA: Listed or TSCA-exempt for research use
REACH (EU): Not fully registered for large-volume commercial manufacturing; R&D notification typically required
Labeling: Follows GHS and local chemical safety standards with hazard pictograms
SARA Title III: Not listed as an extremely hazardous substance
California Prop 65: Not known to contain chemicals subject to reporting
Other Regulations: Handled as hazardous chemical, must comply with appropriate local and national chemical safety legislation
Restrictions: Research and laboratory use preferred over large-scale manufacturing
