Product Name: N-Methylimidazolium Tetrafluoroborate
Synonyms: 1-Methylimidazolium Tetrafluoroborate
Chemical Formula: C4H7N2•BF4
CAS Number: 445473-37-0
Recommended Uses: Ionic liquid for research, synthesis, and electrochemistry
Manufacturer Contact: Name, phone, address, and emergency number of producer or distributor
Classification: Skin irritation (Category 2), Eye irritation (Category 2A), Acute toxicity oral and inhalation (Category 4)
Pictograms: Exclamation mark symbol (GHS07)
Signal Word: Warning
Hazard Statements: Causes skin irritation, causes serious eye irritation, harmful if swallowed, may cause respiratory irritation
Precautionary Statements: Avoid breathing dust or vapors, wash hands thoroughly after handling, wear protective gloves and eye protection, avoid release to the environment
Chemical Name: N-Methylimidazolium Tetrafluoroborate
Concentration: 98%–100%
CAS Number: 445473-37-0
Impurities or Stabilizing Additives: May contain trace residual solvents or water, less than 2% total by weight
General Instructions: Move exposed person to fresh air, seek immediate medical attention if symptoms persist
Inhalation: Remove from exposure, keep at rest in comfortable position, get medical attention
Skin Contact: Remove contaminated clothing, wash affected area thoroughly with soap and water
Eye Contact: Rinse carefully with water for several minutes, remove contact lenses if present and easy to do, continue rinsing
Ingestion: Rinse mouth with water, do not induce vomiting, seek medical attention
Suitable Extinguishing Media: Dry chemical, CO2, water spray, or appropriate foam for larger fires
Specific Hazards: Releases toxic and corrosive fumes under fire conditions including hydrogen fluoride and boron oxides
Protective Equipment: Wear self-contained breathing apparatus, full protective gear
Advice for Firefighters: Cool containers with water if exposed to fire, prevent fire water from entering drains
Personal Precautions: Use personal protective equipment, avoid inhaling dust, vapors, or aerosol
Environmental Precautions: Prevent runoff into drains, surface water, or soil
Methods for Clean Up: Scoop up spilled product into a suitable container for disposal, clean area thoroughly with water and absorbent material, ventilate the area
Safe Handling: Work under a chemical fume hood, avoid breathing vapors or contact with skin and eyes, use only with adequate ventilation, wash hands thoroughly after handling
Storage Conditions: Store in a tightly closed container, in a cool, dry, well-ventilated location, away from sources of moisture, heat, and incompatible chemicals such as strong acids, bases, and oxidizing agents
Special Precautions: Keep containers upright, do not reuse empty containers
Control Limits: No established occupational exposure limits
Engineering Controls: Use fume hood, mechanical ventilation, and local exhaust to minimize exposure
Personal Protective Equipment: Safety goggles or face shield, chemical-resistant gloves (nitrile recommended), laboratory coat, appropriate respiratory protection if dust or vapor generation possible
Hygiene Measures: Do not eat, drink, or smoke in work areas, wash thoroughly after handling, remove contaminated clothing and wash before reuse
Appearance: Colorless to pale yellow solid or liquid (depends on temperature)
Odor: Mild or faint odor
pH: Not applicable (neat), slightly acidic in aqueous solution
Boiling Point: Decomposes before boiling (approximately 230–260 °C)
Melting Point: 15–23 °C
Flash Point: > 140 °C
Water Solubility: Soluble
Density: 1.2–1.3 g/cm³
Vapor Pressure: Not available
Partition Coefficient (log Kow): Not determined
Chemical Stability: Stable under recommended storage conditions
Conditions to Avoid: Exposure to moisture, elevated temperatures, direct sunlight
Incompatible Materials: Strong oxidizers, strong acids, strong bases, moisture
Hazardous Decomposition Products: Hydrogen fluoride, boron trifluoride, carbon oxides, nitrogen oxides
Polymerization: Product does not polymerize under normal conditions
Acute Toxicity: May cause irritation to the mucous membranes, eyes, respiratory tract, harmful if swallowed
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Symptoms: Eye redness and pain, skin dryness or cracking, cough, sore throat
Chronic Effects: Repeated or prolonged exposure can cause dermatitis or respiratory irritation
Carcinogenicity: Not regulated as a carcinogen by NTP, IARC, or OSHA
Mutagenicity: No data available
Reproductive Toxicity: No established evidence in animal studies or humans
Aquatic Toxicity: Limited data available; may be toxic to aquatic life based on structural analogs
Persistence and Degradability: Not readily biodegradable, persists in the environment
Bioaccumulative Potential: No significant bioaccumulation anticipated due to water solubility
Soil Mobility: Moderate to high mobility in soil
Additional Information: Prevent product from entering waterways, soil, or drains
Waste Treatment Methods: Dispose via licensed chemical waste contractor
Disposal of Contaminated Packaging: Empty containers should be treated as chemical waste and disposed of in accordance with local regulations
Environmental Precautions: Avoid discharge to surface water, ground water, or soil
UN Number: Not regulated as dangerous goods under most national and international transport regulations
Proper Shipping Name: Chemical, not otherwise specified
Transport Hazards Class: Not assigned
Packing Group: Not assigned
Special Precautions: Keep container tightly closed, protect from moisture, keep away from incompatible materials
SARA Title III (Sections 311/312): Immediate (acute) health hazard
TSCA Inventory Status: Listed or subject to reporting
REACH Status: Pre-registered or exempt in the EU
Other Regulations: Follow all relevant local, regional, and national legislation on chemicals and hazardous substances
Labeling Requirements: Global Harmonized System (GHS), warning symbol, hazard, and precautionary statements
