Product Name: 1,3-Dimethylimidazolium Tetrafluoroborate
Synonyms: [DMIM][BF4], Dimethylimidazolium Tetrafluoroborate
CAS Number: 350488-99-8
Recommended Use: Laboratory research, industrial synthesis, ionic liquid applications
Supplier Information: Chemical supply companies, research distributors, academic departments
Contact Numbers: Emergency telephone numbers typically provided by suppliers
Classification: Irritant for eyes and skin, potential aquatic toxin
Hazard Symbols: Exclamation mark required for irritant
Signal Word: Warning
Hazard Statements: Causes skin and eye irritation, harmful if swallowed, may cause respiratory discomfort, suspected aquatic toxicity
Precautionary Statements: Avoid breathing dust or vapors, use gloves and eye protection, wash hands thoroughly after handling, prevent product from entering drains or waterways
Chemical Name: 1,3-Dimethylimidazolium Tetrafluoroborate
Molecular Formula: C5H10BF4N2
Molecular Weight: 186.95
Concentration: Typically sold as pure substance or dense liquid
Impurities: Trace moisture, possible byproducts from synthesis, handled as minimal in reagent-grade material
Inhalation: Move affected person to fresh air, keep at rest, seek medical attention for symptoms such as coughing or shortness of breath
Skin Contact: Remove contaminated clothing, rinse thoroughly with water and soap, monitor for irritation or rash, seek medical care if needed
Eye Contact: Rinse eye with water for several minutes, lift upper and lower lids, remove contact lenses if present, continue rinsing and seek medical help
Ingestion: Rinse mouth with water, do not induce vomiting intentionally, seek immediate medical attention, provide chemical details to dispatcher or caregiver
Suitable Extinguishing Media: Dry chemical powder, carbon dioxide, alcohol-resistant foam, water spray for small fires
Specific Hazards: May release poisonous gases like HF, BF3, nitrogen oxides on combustion
Protective Equipment: Use protective mask, gloves, fire-resistant clothing, breathing apparatus
Special Procedures: Contain runoff, cool exposed containers with water spray, avoid inhalation of combustion products
Personal Precautions: Evacuate area, ventilate, avoid inhaling vapor, use protective gloves, safety goggles
Environmental Precautions: Prevent spillage from entering water bodies or sewers, contain leaks with inert absorbent materials
Clean-Up Methods: Sweep up solid or soak liquid in absorbent pads, store in sealed marked containers for disposal, clean area thoroughly after removal
Disposal Considerations: Place waste and contaminated materials in approved chemical waste containers, label detailing contents and hazards
Handling: Use only in chemical fume hood or well-ventilated zones, prevent contact with skin, eyes, clothing, do not eat or drink near product, practice routine hygiene
Storage: Keep tightly closed in original container, store away from moisture and incompatible substances such as strong bases, oxidizers, or acids, maintain cool stable temperature (room temp recommended), segregate from food and feedstuff areas
Exposure Limits: Manufacturer-recommended limits in place, official regulatory thresholds usually not established
Engineering Controls: Fume hood, local exhaust systems, safety showers, eyewash stations in work area
Personal Protection: Nitrile or neoprene gloves, safety glasses with side shields or full goggles, lab coat, avoid open handling
Respiratory Protection: Dust mask or organic vapor respirator as required by risk assessment, particularly for spills or bulk transfer
Hygiene Measures: Wash hands thoroughly, avoid hand-to-mouth actions, store PPE separately from personal items
Appearance: Colorless to pale yellow liquid or crystalline solid
Odor: Faint characteristic smell, non-volatile odor
pH: Estimated 6–8 (10% solution in water)
Melting Point: 12–16°C (varies by batch and moisture content)
Boiling Point: Decomposes before boiling
Flash Point: >120°C
Solubility: Readily soluble in water, many polar organic solvents
Density: 1.2–1.3 g/cm³ at 25°C
Vapor Pressure: Practically nonvolatile at room temperature
Partition Coefficient (log Kow): Not available
Auto-ignition Temperature: Not established
Decomposition Temperature: Approximately 220°C
Chemical Stability: Stable under recommended conditions and temperatures
Conditions to Avoid: Moisture, extreme heat, open flames, strong acids, bases, oxidizers
Incompatible Materials: Strong reducing agents, strong bases, acid chlorides, alkali metals
Hazardous Decomposition Products: Hydrogen fluoride, boron trifluoride, nitrogen oxides, imidazole derivatives
Polymerization: Does not polymerize under normal conditions
Acute Toxicity: Studies on animals suggest moderate oral and dermal toxicity
Irritation: Contact causing skin and eye irritation, mild to moderate depending on exposure
Sensitization: Data limited; not typically a skin sensitizer under occasional lab use
Chronic Effects: Repeated exposure might affect respiratory or digestive tract, due to chronic irritation
Carcinogenicity: Not listed by OSHA, IARC, NTP as a carcinogen
Mutagenicity: Tests in relevant models limited or negative
Reproductive Toxicity: Information incomplete, no reported teratogenic effects at typical workplace levels
Ecotoxicity: Aquatic toxicity testing shows moderate harm to fish and invertebrates at high concentrations
Persistence and Degradability: Slow degradation in the environment, ionic liquids may persist in soil or water
Bioaccumulation Potential: Low predicted, data limited
Mobility: Readily soluble, mobile in surface and groundwater
Other Adverse Effects: Should avoid water pollution, impacts to microorganisms and algae under study
Waste Disposal: Collect in sealed labeled containers, avoid release to sewer systems or waterbodies
Incineration: Use permitted chemical incinerators with afterburner and scrubber
Chemical Waste Classification: Handled as hazardous organic waste, must meet local, regional, or national guidelines
Container Disposal: Triple-rinse glassware and containers, puncture and dispose of as hazardous debris
UN Number: Not regulated for most ground shipment, check for international shipment requirements
Proper Shipping Name: Chemical, N.O.S. (1,3-Dimethylimidazolium Tetrafluoroborate)
Hazard Class: Not classed under standard DOT rules, confirm with local environmental or shipping agencies
Packing Group: Usually not assigned, verify with packaging instructions
Special Precautions: Avoid loading near acids, oxidizers or foodstuffs, prevent loading with incompatible chemicals
Transport Methods: Ship upright, away from heat and moisture, in tightly sealed containers
OSHA Status: Not specifically regulated as a listed hazardous chemical, best practice applies
TSCA Inventory: Check for listing, controls often under new chemical policies
REACH Status: Registration may apply in the EU for manufacturing/large-scale use
Labeling Requirements: CLP Regulation (EC) No 1272/2008—hazard symbols and precautionary statements
Other Regulations: Consult local, regional, and national regulatory agencies for storage quantity limitations, reporting requirements
SARA Title III: Not specifically listed, monitor mixture rules for large-scale applications
