Material Safety Data Sheet (MSDS) – 1-Dodecyl-3-Methylimidazolium Bis((Trifluoromethyl)Sulfonyl)Imide

1. Identification

Product Name: 1-Dodecyl-3-Methylimidazolium Bis((Trifluoromethyl)Sulfonyl)Imide
Chemical Formula: C23H39F6N3O4S2
CAS Number: 174899-66-2
Manufacturer: Please refer to supplier MSDS
Recommended Uses: Industrial applications in ionic liquids research, solvents, electrochemical devices
Emergency Contact: Refer to company-specific emergency numbers

2. Hazard Identification

GHS Classification: Acute Toxicity (Oral) Category 4; Skin Irritation Category 2; Eye Irritation Category 2A
Signal Word: Warning
Hazard Statements: Harmful if swallowed; Causes skin irritation; Causes serious eye irritation
Pictograms: Exclamation mark
Precautionary Statements: Avoid contact with skin and eyes; Do not breathe dust, fumes, mist or vapor; Wear suitable protective clothing and eye protection; Wash hands thoroughly after handling; Do not eat, drink or smoke during use
Other Hazards: Can form hazardous decomposition products such as hydrogen fluoride, sulfur oxides and imidazole compounds during heating or combustion

3. Composition / Information on Ingredients

Chemical Name: 1-Dodecyl-3-Methylimidazolium Bis((Trifluoromethyl)Sulfonyl)Imide
Common Synonyms: [DMIM][NTf2], C12MIM NTf2
Molecular Weight: 603.7 g/mol
Ingredients: 1-Dodecyl-3-Methylimidazolium Cation (approx. 50% by mass), Bis((Trifluoromethyl)Sulfonyl)Imide Anion (approx. 50% by mass)
Impurities: Typically contains trace solvents or water, and may contain minor ionic contaminants depending on manufacturing process

4. First Aid Measures

Eye Contact: Rinse immediately with plenty of water for at least 15 minutes; seek medical attention if irritation persists
Skin Contact: Remove contaminated clothing and rinse skin with plenty of water; wash with soap and water; get medical attention if symptoms develop
Inhalation: Move to fresh air; seek medical attention if symptoms such as coughing or respiratory discomfort persist
Ingestion: Rinse mouth; drink plenty of water; do not induce vomiting; seek medical advice immediately
Most Important Symptoms: Redness, irritation, possible burning sensation in eyes or on skin, headache or nausea if inhaled

5. Fire-Fighting Measures

Suitable Extinguishing Media: Use dry chemical, CO2, water spray, or foam
Specific Hazards: Emits toxic fumes of carbon oxides, hydrogen fluoride, sulfur oxides, imidazole compounds and trifluoromethyl compounds under fire conditions
Special Protective Equipment: Firefighters require full protective gear and self-contained breathing apparatus
Advice for Firefighters: Avoid inhaling combustion products; use caution handling contaminated water runoff as it may be hazardous

6. Accidental Release Measures

Personal Precautions: Use chemical-resistant gloves, protective clothing, and safety goggles or face shield; avoid contact with spilled material
Environmental Precautions: Prevent runoff to drains, sewers, or waterways; inform appropriate authorities of large spills
Cleanup Methods: Absorb spill with inert material such as dry sand or vermiculite; sweep up carefully and place into a suitable closed container for disposal; ventilate affected area
Decontamination: Clean spill site with soap and water following material removal

7. Handling and Storage

Safe Handling Recommendations: Avoid breathing vapor, mist or dust; do not get in eyes, on skin or clothing; always use in a well ventilated area; prohibit eating, drinking or smoking while handling
Incompatible Materials: Strong oxidizing agents, strong acids and bases, reactive metals
Storage Conditions: Store in tightly closed containers in a cool, dry, well-ventilated place; protect from light and moisture; keep away from sources of heat or ignition
Storage Precautions: Store separate from foodstuffs or incompatible materials; label containers clearly

8. Exposure Controls and Personal Protection

Engineering Controls: Use local exhaust ventilation or chemical fume hood to minimize airborne exposure
Personal Protection: Chemical splash goggles or face shield, chemical-resistant gloves (nitrile, neoprene), laboratory coat or protective clothing
Respiratory Protection: If ventilation inadequate or high concentrations of aerosols may be generated, select suitable respirator with organic vapor/particulate cartridge
Hygiene Measures: Wash thoroughly after handling; remove and wash contaminated clothing before reuse
Exposure Limits: No established occupational exposure limits for this compound

9. Physical and Chemical Properties

Appearance: Colorless to pale yellow viscous liquid or waxy solid
Odor: Faint, characteristic
pH: Neutral or slightly acidic (approx. 6-7, 20°C, aqueous solution)
Melting Point: Approximately 13–16°C
Boiling Point: Decomposes before boiling
Solubility: Soluble in water, more soluble in polar organic solvents (acetone, acetonitrile, methanol)
Vapor Pressure: Negligible at ambient temperature
Density: 1.32 – 1.35 g/cm³ at 25°C
Flash Point: > 100°C
Viscosity: High viscosity at room temperature
Partition Coefficient: Not determined
Evaporation Rate: Not available

10. Stability and Reactivity

Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: Can react with strong oxidizers; strong acids and bases can cause hydrolysis and breakdown
Hazardous Decomposition Products: Fluorinated compounds, sulfur oxides, imidazole derivatives, nitrogen oxides, hydrofluoric acid
Conditions to Avoid: Excess heat, direct sunlight, moisture, incompatible chemicals
Polymerization: No data indicating hazardous polymerization

11. Toxicological Information

Acute Toxicity: Oral LD50 (rat): Estimated 300-2000 mg/kg
Skin Corrosion/Irritation: May cause irritation on prolonged or repeated contact
Serious Eye Damage: Causes irritation or burns
Respiratory Sensitization: Data not available
Skin Sensitization: No data but similar imidazolium compounds may cause sensitization
Mutagenicity/Carcinogenicity: No data indicating mutagenic or carcinogenic effects in standard animal tests
Other Effects: Headache, dizziness, nausea if exposed to high vapor/mist concentrations

12. Ecological Information

Aquatic Toxicity: Hazardous to aquatic life; possible long-term adverse effects in the aquatic environment
Persistence and Degradability: Not readily biodegradable; ionic liquids often show resistance to breakdown
Bioaccumulative Potential: Low to moderate; contains fluorinated moieties which may be persistent
Mobility in Soil: Likely to be mobile in water and soil environments
Other Adverse Effects: Avoid any release to the natural environment; ionic nature may interfere with microorganisms

13. Disposal Considerations

Disposal Methods: Dispose of in accordance with local, regional, and national regulations for hazardous waste
Container Disposal: Empty containers must be triple rinsed and disposed of as hazardous waste
Environmental Precaution: Prevent uncontrolled release to environment during disposal
Recommended Procedures: Incinerate at high temperatures with appropriate scrubbing of off-gases; do not dump into sewers, waterways or soil

14. Transport Information

UN Number: Not regulated by most international transport authorities
Proper Shipping Name: Not classified as a dangerous good for transportation
Hazard Class: Not assigned
Packing Group: Not assigned
Marine Pollutant: Should not be transported in bulk by sea without appropriate documentation
Special Transport Precautions: Ensure containers are well sealed and protected from damage or leaks during transport

15. Regulatory Information

Local/National Regulations: Not listed on major hazardous chemical inventories (TSCA, EINECS/ELINCS); subject to REACH restriction in EU where applicable
Labelling: Meets requirements set by GHS; appropriate workplace hazard symbols and written warnings must be displayed
Other Regulatory Content: Not listed as a carcinogen by IARC, NTP or OSHA; for research and industrial use only
Workplace Control: Users must train staff on safe handling, provide access to Safety Data Sheets, and ensure controls are in place according to regional occupational safety standards
Environmental obligations: Spillage or disposal must follow local environmental protection laws; special rules may apply for release to water or soil