Product Name: 4-Methyl-N-Butylpyridinium Tetrafluoroborate
Synonyms: N-Butyl-4-Methylpyridinium Tetrafluoroborate
Chemical Formula: C10H16BF4N
CAS Number: 244193-50-8
Recommended Use: Research, chemical synthesis, ionic liquid applications
Supplier: Commercial chemical distributor, lab supplier
Contact Information: Safety Department phone, 24-hour emergency hotline
Hazard Classification: Eye irritation, Skin irritation, Possible reproductive toxicity
Signal Word: Warning
Hazard Statements: Causes skin and serious eye irritation. Harmful if swallowed, inhaled, or absorbed through skin. Long-term exposure could lead to organ damage.
Pictograms: Exclamation mark, health hazard
Precautionary Statements: Avoid breathing dust, vapors, or mist. Wash hands thoroughly after handling. Wear protective gloves, clothing, and eye protection. If in eyes: Rinse cautiously with water for several minutes.
Chemical Name: 4-Methyl-N-Butylpyridinium Tetrafluoroborate
CAS: 244193-50-8
Concentration: >98%
Impurities: Trace organic residues, trace tetrafluoroborate salt forms
Additives: None reported
Molecular Weight: 237.06 g/mol
Inhalation: Move person to fresh air, seek medical attention if symptoms develop.
Skin Contact: Remove contaminated clothing, rinse skin with water and soap for at least 15 minutes.
Eye Contact: Rinse cautiously with water for 15 minutes, remove contact lenses, seek medical advice.
Ingestion: Rinse mouth, do not induce vomiting, contact physician or poison control center.
Most Important Symptoms: Irritation, coughing, redness, nausea, headache
Notes for Physicians: Treat symptomatically, monitor for respiratory or neurological effects.
Flammable Properties: Non-flammable, may emit toxic fumes at high temperatures
Suitable Extinguishing Media: Dry chemical, CO2, alcohol-resistant foam, water fog
Unsuitable Extinguishing Media: Direct water stream on burning material
Specific Hazards: Decomposition releases HF, nitrogen oxides, boron compounds
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective clothing
Additional Advice: Cool containers with water spray to prevent pressure build-up
Personal Precautions: Evacuate area, ventilate space, wear protective gear—gloves, goggles, mask
Environmental Precautions: Prevent entry into waterways, soil, and drains
Cleanup Procedures: Absorb spill with inert material like sand, scoop up, place in a chemical waste container, wash area with water
Disposal: Incinerate under controlled conditions or dispose of following chemical waste regulations
Decontamination: Use appropriate detergent and rinse after cleanup
Handling: Use only in well-ventilated areas. Wear chemical-resistant gloves, lab coat, and eye protection. Avoid generating dust.
Storage: Store in a cool, dry place away from sunlight, incompatible materials (strong acids, bases, oxidizers).
Container Recommendations: Keep tightly closed in original container.
Specific Requirements: Access restricted to trained personnel. Segregate from food and animal feed.
Exposure Limits: No workplace exposure limits established.
Engineering Controls: Use with local exhaust ventilation. Laboratory fume hood recommended.
Personal Protection: Chemical-resistant gloves (nitrile, butyl rubber), safety goggles, face shield for splash risk, lab coat
Respiratory Protection: Use approved respirator if ventilation is inadequate
Hygiene Measures: Wash hands and exposed areas thoroughly after use. Do not eat, drink, or smoke in working area.
Appearance: Colorless to pale yellow liquid or crystalline solid
Odor: Slight, characteristic
pH: Not determined (ionic liquid)
Melting Point: ~60-80°C
Boiling Point: Decomposes before boiling
Flash Point: >150°C (estimated)
Solubility: Soluble in water, acetone, ethanol
Relative Density: 1.1–1.2 g/cm³
Vapor Pressure: Very low at room temperature
Partition Coefficient: Not available
Viscosity: Moderate, typical for ionic liquids
Chemical Stability: Stable under normal temperature and pressure
Reactivity: No dangerous reactions under recommended conditions
Conditions to Avoid: Excess heat, open flame, strong UV light
Incompatible Materials: Strong oxidizing agents, acids, alkalis
Decomposition Products: Hydrogen fluoride, boron oxides, nitrogen oxides, carbon oxides
Acute Toxicity: LD50 (oral, rat): Data limited, estimated moderate toxicity
Skin Corrosion/Irritation: Possible irritation, redness or dryness
Serious Eye Damage/Irritation: Risk of severe irritation
Respiratory Sensitization: Possible, especially on dust inhalation
Carcinogenicity: No data supporting carcinogenic effects
Mutagenicity: Not reported
Teratogenicity: Not reported, but caution advised
Chronic Effects: Prolonged exposure may affect organs by cumulative absorption
Symptoms of Exposure: Eye and skin irritation, headache, shortness of breath, dizziness
Ecotoxicity: Data insufficient, ionic liquids sometimes toxic to aquatic life
Persistence/Degradability: Not readily biodegradable, may persist in environment
Bioaccumulation: Potential unknown, low-to-moderate predicted due to ionic nature
Mobility in Soil: Mobile if dissolved in water, may contaminate groundwater
Other Adverse Effects: Avoid uncontrolled environmental release due to toxicity risk
Waste Treatment Methods: Dispose of through hazardous waste contractor or incineration facility
Contaminated Packaging: Dispose as hazardous material, triple rinse before discarding
Disposal Regulations: Follow local, regional, national laws for chemical waste
Special Instructions: Do not discharge to drains, water, or soil. Label waste clearly.
UN Number: Not classified as dangerous for transport
Transport Hazard Class: Not regulated
Packing Group: Not regulated
Environmental Hazards: Not a marine pollutant by current standards
Special Precautions: Secure packaging, avoid leaks/spills in transit.
US TSCA Status: Listed or exempt
EU REACH Status: Not fully assessed, strictly for research and development
Safety, Health, Environmental Regulations: Subject to chemical hygiene plans; users must maintain records and observe SDS requirements
Labeling Requirements: Comply with OSHA Hazard Communication Standard, CLP Regulation (EC) No 1272/2008
Other Requirements: Restricted for professional, industrial use. Follow institutional and governmental guidelines for chemical storage and use.
