Product Name: N-Butyl-N-Methylpyrrolidinium Tetrafluoroborate
Chemical Formula: C9H20BF4N
Synonyms: 1-Butyl-1-methylpyrrolidinium tetrafluoroborate, BMPy BF4
CAS Number: 174501-65-6
Recommended Uses: Electrolyte in batteries, ionic liquid for catalysis, chemical research applications
Supplier: Manufacturer and distributor details to be obtained from packaging or supply documents
Emergency Phone Number: Obtain from the supplier's label or SDS
Classification: Not classified as hazardous under GHS but prudent handling prompted by chemicals with similar structures
Label Elements: No pictogram required by regulation but best practice involves warning information
Precautionary Statements: Avoid eye contact and skin exposure; do not ingest or inhale large quantities
Other Hazards: May cause eye and skin irritation, possible harmful effects if inhaled in high concentrations, not fully tested for long-term exposure risks
Chemical Identity: N-Butyl-N-Methylpyrrolidinium Tetrafluoroborate
Purity: Typically above 98%
Main Component: 1-Butyl-1-methylpyrrolidinium tetrafluoroborate
Impurities: Trace amounts of precursor chemicals, solvent residues
Eye Contact: Rinse immediately with plenty of water for at least 15 minutes, remove contact lenses, seek medical help if irritation persists
Skin Contact: Remove contaminated clothing, wash affected area with soap and water, seek medical attention for persistent irritation
Inhalation: Move to fresh air, support breathing, consult medical attention if coughing or discomfort lingers
Ingestion: Rinse mouth with water, never give anything by mouth to an unconscious person, seek immediate medical attention
Suitable Extinguishing Media: Dry chemical, CO2, alcohol-resistant foam, or water spray
Specific Hazards: During fire, possible emission of toxic and corrosive gases such as hydrogen fluoride, boron compounds, nitrogen oxides
Special Protective Equipment: Use self-contained breathing apparatus, full protective clothing
Firefighting Instructions: Move containers from fire area if safe, use water spray to cool tanks, avoid inhaling fumes
Personal Precautions: Wear suitable protective clothing, gloves, and eye protection, ventilate area
Environmental Precautions: Do not let chemical enter drains, surface water, or soil
Containment: Absorb spill with inert material (sand, diatomite), collect in containers for disposal
Cleanup Methods: Clean area thoroughly with water and detergent, dispose materials under local regulations
Emergency Procedures: Evacuate unnecessary personnel, control sources of ignition, secure area
Safe Handling: Work in well-ventilated spaces, avoid inhalation and direct contact with skin and eyes
Hygiene Practices: Wash thoroughly after handling, avoid eating, drinking, or smoking in work area
Storage Conditions: Store in tightly closed, labeled containers, keep in cool, dry, well-ventilated space, protect from moisture and incompatible materials
Incompatible Materials: Strong oxidizing agents, acids, and bases, sources of ignition, high heat
Occupational Exposure Limits: No data on established limits for this substance; adopt general control standards for chemical substances
Engineering Controls: Use fume hoods or local exhaust ventilation in handling areas
Personal Protection Equipment: Wear chemical-resistant gloves (nitrile recommended), safety goggles, lab coat, vapour mask for large exposures
Environmental Exposure Controls: Follow procedures to prevent accidental release into environment, use secondary containment
Appearance: Colourless to light yellow liquid
Odour: Faint, hardly perceptible
Odour threshold: Not determined
pH: Not applicable (ionic liquid)
Melting Point/Freezing Point: Approx. -80°C
Boiling Point: Decomposes above 300°C
Flash Point: >150°C (closed cup)
Evaporation Rate: Negligible
Flammability: Not flammable
Vapour Pressure: Practically non-volatile
Vapour Density: Not applicable
Relative Density: 1.1–1.3 g/cm³
Solubility: Miscible with water and polar solvents
Partition Coefficient n-octanol/water: Not determined
Auto-ignition Temperature: Not readily combustible
Decomposition Temperature: >300°C
Viscosity: High, typical of ionic liquids
Chemical Stability: Stable at room temperature under normal conditions
Reactivity: No hazardous reactivity noted under normal use
Conditions to Avoid: Prolonged exposure to high temperatures, exposure to strong acids or bases
Hazardous Decomposition: Can produce toxic gases including hydrogen fluoride, carbon monoxide, boron compounds when heated strongly
Incompatible Materials: Oxidizers, acids, alkalis, moisture
Acute Toxicity: No specific data, but similar compounds show low acute oral toxicity in animal studies
Skin Corrosion/Irritation: Possible mild irritation with prolonged exposure
Serious Eye Damage/Irritation: Can produce eye irritation on direct contact
Respiratory Sensitisation: Risk considered low for normal use, higher for dusts or aerosols
Carcinogenicity: No data available, not listed as a carcinogen by IARC or NTP
Mutagenicity: No reliable information in published literature
Other Effects: Ingestion or repeated exposure not advised owing to lack of long-term toxicity data
Ecotoxicity: Limited published data; ionic liquids may have aquatic toxicity, caution warranted to avoid water contamination
Persistence and Degradability: Very stable, not biodegradable, tends to accumulate in environment
Bioaccumulative Potential: Bioaccumulation potential not well studied, likely low for this structure
Mobility in Soil: Will migrate in water, soluble leaking possible, avoid spills
Other Adverse Effects: Toxicological impact on aquatic life not ruled out; risk reduction advised
Disposal Procedures: Handle as hazardous chemical waste, use licensed waste management contractor
Contaminated Packaging: Rinse, collect rinse liquid as hazardous waste, dispose of packaging responsibly
Environmental Release Advice: Never pour into drains, watercourses, or soil; comply with local, national, and international waste regulations
UN Number: Not assigned due to low hazard by transport classification
Proper Shipping Name: Not regulated for transport
Hazard Class: Non-hazardous for ground, sea, and air transport under most regulatory schemes
Packing Group: Not applicable
Special Precautions for User: Keep container sealed, prevent leaks, label in line with workplace safety protocols
Environmental Hazards: Substance not classified as marine pollutant
Regulatory Status: Not explicitly listed in major chemical inventories, but handle with good laboratory and manufacturing practice
Labeling Requirements: Keep labelling with clear identification and hazard recommendations
Other National/International Requirements: Review local OSHA, EU REACH, and GHS guidance for updates
Restrictions: Typically not subject to special restrictions but use controls advised for chemical management
