MSDS for N-Methylimidazolium Bis((Trifluoromethyl)Sulfonyl)Imide

1. Identification

Product Name: N-Methylimidazolium Bis((Trifluoromethyl)Sulfonyl)Imide
Synonyms: 1-Methylimidazolium bis(trifluoromethanesulfonyl)imide, [C1mim][NTf2]
CAS Number: 174899-83-3
Recommended Uses: Electrolyte formulation, ionic liquid solvent, chemical synthesis
Supplier/Manufacturer: Laboratory chemical suppliers, specialty chemical manufacturers
Emergency Contact Number: Local regulatory authority or poison control center
Address: Refer to shipping paperwork for specific facility address

2. Hazard Identification

Classification: Eye irritant, slight skin irritant, not classified as flammable under GHS; not volatile under standard laboratory conditions
Signal Word: Warning
Hazard Statements: Causes serious eye irritation; may cause mild skin irritation; potential respiratory irritation with prolonged exposure to fine spray or mist
Pictograms: Exclamation mark (for irritation)
Precautionary Statements: Avoid contact with skin and eyes; avoid inhaling vapors, dust, or mists; use in well-ventilated area; wash thoroughly after handling
Symptoms: Stinging, redness, mild skin dryness, headache or dizziness with excessive exposure
Other Hazards: Not considered a carcinogen or reproductive toxin; lacks acute toxicity but long-term data limited

3. Composition / Information on Ingredients

Chemical Name: N-Methylimidazolium Bis((Trifluoromethyl)Sulfonyl)Imide
CAS Number: 174899-83-3
Molecular Formula: C8H11F6N3O4S2
EC Number: 810-358-1
Purity: Typically >98%
Impurities: Low levels of related ionic species (<1%) as trace contaminants

4. First Aid Measures

Inhalation: Move affected person to fresh air; monitor for respiratory distress; seek medical attention if symptoms persist
Skin Contact: Wash affected area with soap and water for at least 15 minutes; remove contaminated clothing
Eye Contact: Rinse cautiously with water for several minutes; remove contact lenses if present; continue rinsing; get medical advice if irritation continues
Ingestion: Rinse mouth; do not induce vomiting; seek medical help for persistent symptoms
Most Important Symptoms: Redness, irritation, discomfort
Medical Attention: Supportive treatment; symptomatic measures

5. Fire-Fighting Measures

Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, alcohol-resistant foam, or water spray
Unsuitable Extinguishing Media: Direct water jet (may spread product)
Hazardous Combustion Products: Hydrogen fluoride, sulfur oxides, carbon oxides, nitrogen oxides, toxic fumes
Special Protective Equipment: Self-contained breathing apparatus, full protective gear
Specific Hazards: Product does not readily ignite but can decompose at high temperatures, releasing irritant and toxic gases
Firefighting Instructions: Cool contaminated containers with water; avoid inhalation of combustion gases

6. Accidental Release Measures

Personal Precautions: Avoid skin and eye contact; ventilate area; wear appropriate protective equipment (gloves, goggles, lab coat)
Environmental Precautions: Prevent further leakage or spillage if safe to do so; do not allow product to reach drains or sewers
Methods for Cleaning Up: Stop spread of material using dikes or absorbent material; collect spill with inert absorbent (vermiculite, sand); transfer to labeled container for disposal; decontaminate spill area with soap and water
Reference to Other Sections: See section on exposure controls for PPE details; follow regulatory disposal guidance

7. Handling and Storage

Handling Precautions: Handle inside chemical fume hood or well-ventilated area; use appropriate protective gear to prevent contact; wash hands after use
Safe Storage Conditions: Store in tightly sealed containers; keep in cool, dry place away from heat or open flame; avoid temperatures above 60°C
Incompatible Materials: Strong acids, strong bases, strong oxidizing agents
Other Precautions: Avoid breathing dust, mist, or fumes; keep away from food and drink

8. Exposure Controls and Personal Protection

Control Parameters: No occupational exposure limits established for this compound
Engineering Controls: Use chemical fume hood, local exhaust ventilation; eyewash stations and safety showers accessible
Personal Protection: Chemical-resistant gloves (nitrile recommended), safety goggles, lab coat or apron, closed-toe footwear
Hygiene Measures: Wash thoroughly after handling; avoid eating, drinking, or smoking in work area
Respiratory Protection: Use approved respirator if engineering controls are insufficient for vapor, mist, or aerosol exposure

9. Physical and Chemical Properties

Appearance: Clear, colorless to pale yellow viscous liquid
Odor: Mild, characteristic, non-offensive
Odor Threshold: Not available
pH: Neutral to slightly acidic (diluted aqueous solutions)
Melting Point/Freezing Point: -18°C to -6°C
Initial Boiling Point and Range: Decomposes before boiling
Flash Point: >100°C (non-volatile)
Evaporation Rate: Negligible
Flammability: Not easily flammable
Vapor Pressure: <0.01 hPa at 25°C
Vapor Density: Not applicable
Relative Density: 1.45 to 1.52 g/cm³ at 25°C
Solubility: Soluble in water, ethanol, acetone
Partition Coefficient (n-octanol/water): Not determined
Auto-ignition Temperature: Not determined
Decomposition Temperature: >350°C
Viscosity: 33-42 cP at 25°C

10. Stability and Reactivity

Chemical Stability: Chemically stable under routine laboratory and storage conditions
Reactivity: Non-reactive with most laboratory chemicals at room temperature
Conditions to Avoid: Excessive heat, open flames, strong oxidizers, strong acids and bases
Hazardous Decomposition Products: Hydrogen fluoride, sulfur oxides, carbon oxides, nitrogen oxides under fire or strong heat
Polymerization: Does not undergo hazardous polymerization

11. Toxicological Information

Acute Toxicity: Low acute oral and dermal toxicity in animal studies
Skin Corrosion/Irritation: Slight irritant with prolonged or repeated exposure
Serious Eye Damage/Irritation: Causes irritation, redness, possible corneal damage in severe cases
Respiratory Sensitization: May cause irritation to upper respiratory tract with prolonged exposure
Germ Cell Mutagenicity: Not known to be a mutagen
Carcinogenicity: Not listed as carcinogenic by IARC, NTP, ACGIH, or OSHA
Reproductive Toxicity: No data indicating reproductive effects
Specific Target Organ Toxicity: No target organs identified
Other Information: Long-term effects not well studied; safe handling minimizes risk

12. Ecological Information

Ecotoxicity: Data limited; likely low toxicity to aquatic organisms under standard test conditions; avoid large-scale release to environment
Persistence and Degradability: Poorly biodegradable; remains in environment for extended periods
Bioaccumulative Potential: Expected to have low bioaccumulation given large ionic structure
Mobility in Soil: Mobile in water; binds weakly to soil
Other Adverse Effects: May contribute to soil and water contamination at significant concentrations; appropriate disposal prevents hazards

13. Disposal Considerations

Disposal Methods: Incinerate with approved chemical waste company; comply with local, regional, and national disposal regulations
Container Disposal: Rinse thoroughly before recycling or discarding; observe local hazardous waste guidelines
Precautions: Do not pour waste down the drain; minimize release into the environment
Recommended Practice: Collect and label all waste material for proper off-site disposal

14. Transport Information

UN Number: Not regulated for transport by ADR/RID, IMDG, IATA
Proper Shipping Name: Not classified as dangerous for transport
Transport Hazard Class(es): Not applicable
Packing Group: Not applicable
Environmental Hazards: Not classified as marine pollutant
Special Precautions: Double containment for laboratory and commercial transport; avoid shipping with strong oxidizers or acids
Transport in bulk: Not subject to bulk transport regulation

15. Regulatory Information

Safety, Health, and Environmental Regulations: Not listed by major regulatory agencies (TSCA, DSL, EINECS, REACH); check local inventory listings; workplace controls and hazard communication apply
Signal Word & Pictograms: Required under workplace labeling rules for irritant chemicals
Chemical Safety Assessment: Conducted for laboratory handling; recommended for workplace implementation
Other Regulatory Details: Ensure training of handlers; maintain records for occupational exposure and waste disposition