Product Name: 1-Butyl-4-Methylpyridinium Bis(Trifluoromethanesulfonyl)Imide
Chemical Formula: C15H21F6N2O4S2
CAS Number: 399475-01-7
Recommended Use: Ionic liquid, industrial laboratory chemical
Supplier Details: Manufacturer’s contact: typically technical support or product stewardship lines for safety specific queries
Emergency Contact: National emergency response service, Poison Control Center, or company ERA contact number
Classification: Not classified as dangerous under GHS; minor skin/eye irritation possible
Symbol: None required for most concentrations
Signal Word: Warning
Hazard Statements: Causes mild skin irritation, eye irritation possible, ingestion harmful
Precautionary Statements: Avoid exposure to eyes, prolonged skin contact, ingestion or inhalation
Potential Health Effects: Irritation to eyes, skin, gastrointestinal tract; rare respiratory effects in sensitive individuals
Environmental Hazards: Toxic to aquatic organisms; persistent and bioaccumulative
Other Hazards: Combustible at high temperature, hydrolysis may release irritating gases
Chemical Name: 1-Butyl-4-Methylpyridinium Bis(Trifluoromethanesulfonyl)Imide
Common Synonyms: BMPyNTf2, BMPy-TFSI
Ingredient Percentage: ≥98%
Impurities: Water ≤1%, unreacted starting materials ≤0.2%
Molecular Weight: 484.46 g/mol
Inhalation: Move person to fresh air, monitor for symptoms such as coughing or respiratory discomfort, seek medical attention if irritation persists
Skin Contact: Remove contaminated clothing, flush skin thoroughly with water and mild soap, monitor for rash or redness
Eye Contact: Rinse eyes gently but thoroughly for at least 15 minutes, check for residual material under eyelids, seek immediate medical help for persistent discomfort
Ingestion: Rinse mouth with water, do not induce vomiting, give small amounts of water if conscious, monitor for symptoms, seek prompt medical evaluation
Important Symptoms/Effects: Eye and skin irritation, digestive upset
Advice for Medical Personnel: Treat symptomatically, consider irritation management
Suitable Extinguishing Media: Dry chemical, CO2, foam, water fog
Unsuitable Extinguishing Media: High-volume water jet risks spreading material
Hazards Arising During Fire: Releases toxic fumes including hydrogen fluoride, sulfur oxides, nitrogen oxides
Protective Equipment: Full protective gear, positive-pressure self-contained breathing apparatus
Special Precautions: Approach from upwind, use contained runoff methods to protect water sources
Combustion Products: Possibility of trifluoromethanesulfonic acid, perfluorinated fragments under heat
Personal Precautions: Wear gloves, goggles, lab coat or chemical-resistant suit, respiratory protection if large spill, avoid inhaling vapors
Environmental Precautions: Prevent entry into sewers, waterways, soil
Cleanup Methods: Absorb with suitable inert material (vermiculite, sand), shovel into suitable container for proper disposal
Spill Area Decontamination: Wash area with copious water and non-reactive detergent, ventilate well
Secondary Hazards: Slippage risk on smooth surfaces, delayed irritation symptoms possible on skin
Disposal of Collected Material: See section on Disposal Considerations below
Safe Handling Practices: Use only in well-ventilated areas, avoid contact with skin and eyes, wear recommended PPE, avoid open flames or high temps
Prevention of Aerosols & Dusts: Minimize splashes, keep closed when not in use
Advice on Mixed Storage: Separate from incompatible materials such as strong acids, bases, oxidizers
Storage Conditions: Store in tightly sealed container, keep in a cool, dry environment
Packaging Materials: Use fluoropolymer, glass, or compatible plastic containers
Precautions for Use in Large Quantities: Secondary containment, regular inspection for physical damage, clear labeling of containers
Occupational Exposure Limits: No established limit, handle with general chemical hygiene approach
Engineering Controls: Fume hood, local exhaust, eyewash/ safety shower station
Eye Protection: Tight-fitting chemical splash goggles
Hand Protection: Nitrile, neoprene, or similar chemical resistant gloves
Body Protection: Lab coat, chemical resistant apron, closed shoes
Respiratory Protection: Use NIOSH-approved half-mask respirator with organic vapor cartridge if bad ventilation
Hygiene Measures: Wash hands and face thoroughly before eating, drinking, or leaving work area; remove contaminated clothing
State: Liquid at room temperature
Color: Colorless to light yellow
Odor: Faint, slightly sweet organic
Melting Point: -4°C
Boiling Point: Decomposes before boiling
Flash Point: Above 180°C (closed cup)
Density: ~1.47 g/cm³ at 20°C
Solubility: Miscible with polar organic solvents (acetonitrile, DMF), insoluble in water
Vapor Pressure: Negligible at ambient temperature
pH: Not applicable (non-aqueous liquid)
Viscosity: High at room temperature
Chemical Stability: Stable under recommended conditions, sensitive to prolonged heat
Conditions to Avoid: High temperature, moisture, direct sunlight, acid/base contamination
Incompatible Materials: Strong oxidizing agents, strong reducing agents, strong bases
Hazardous Decomposition: Under fire stress, can yield trifluoromethanesulfonic acid, SOx, NOx, HF, and perfluorinated compounds
Polymerization: Will not occur under normal storage and use
Routes of Exposure: Inhalation, dermal, ingestion, eye
Acute Toxicity: Low acute toxicity; LD50 (oral, rat) >2000 mg/kg (source: similar pyridinium salts)
Skin Irritation: Slight redness, dryness upon prolonged or repeated contact
Eye Irritation: Moderate, temporary discomfort possible
Respiratory Effects: Coughing, respiratory tract irritation in large exposures
Chronic Toxicity: Not established
Other Effects: No evidence of mutagenicity, reproductive toxicity from analogous chemicals
Sensitization: Not expected, but monitor for symptoms
Ecotoxicity: Harmful to aquatic organisms, especially invertebrates (EC50 for Daphnia magna <10 mg/L based on analogous compounds)
Persistence/Degradability: Shows poor biodegradation, may accumulate in environment
Bioaccumulation Potential: Moderate, due to low water solubility and high partitioning coefficient
Mobility in Soil: Binds to organic matter, low leaching potential
Other Adverse Effects: Breakdown products could persist and have unknown toxicity
Disposal Methods: Dispose through licensed hazardous waste company, comply with local and national regulations
Contaminated Packaging: Rinse empty containers, puncture to prevent reuse, recycle or dispose as hazardous waste
Sewage Disposal: Avoid discharge to drains, waterways
Small Quantities: Use chemical waste incinerator with afterburner and scrubber
Large Quantities: Contact certified chemical disposal service for bulk removal
UN Number: Not classified as dangerous for transport
Shipping Name: Not regulated for air, road, or sea transport
Transport Hazard Classes: Non-hazardous
Packing Group: Not applicable
Marine Pollutant: Not a marine pollutant under current transport regulations
Special Precautions: Use strong secondary containment, ship upright to avoid leaks
Chemical Inventory Status: Listed, check regionally (TSCA inventory in USA, REACH in EU may require notification)
OSHA (USA): Not specifically regulated
SARA Title III: No components subject to reporting
WHMIS (Canada): Not controlled, classified as non-hazardous
DSL/NDSL: Confirm presence as per jurisdiction
EINECS/ELINCS (EU): May require notification
Other Local Requirements: Observe all applicable workplace and environmental regulations
