Product Name: 1-Hydroxyethyl-2,3-Dimethylimidazolium Trifluoromethanesulfonate
Synonyms: [HEMIM][OTf], Ionic liquid - HEMIM-OTf
CAS Number: 570446-24-1
Manufacturer: Laboratory supplier or chemical specialty provider
Recommended Use: Research, chemical synthesis, solvent for electrochemistry
Contact Information: Emergency phone, company address, and relevant technical service numbers
Classification: Not explicitly allocated by GHS, though the liquid can irritate eyes and skin
Physical Hazards: Hygroscopic, absorbs moisture; combustible under certain conditions
Health Hazards: May cause skin and eye irritation; respiratory irritation from vapor or aerosol
Environmental Hazards: Hazardous to aquatic life; do not allow release into waterways
Pictograms: Exclamation mark (for irritant) suggested
Signal Word: Warning
Hazard Statements: Causes eye irritation; may cause respiratory discomfort; harmful if swallowed or inhaled
Chemical Name: 1-Hydroxyethyl-2,3-Dimethylimidazolium Trifluoromethanesulfonate
Formula: C8H15F3N2O4S
Concentration: 100% (neat, pure compound)
Impurities: Typically trace moisture, possible residual starting materials
Class: Ionic liquid, non-volatile organic salt
Inhalation: Remove to fresh air, support breathing; seek medical attention if any symptoms develop
Skin Contact: Remove contaminated clothing, wash with soap and water, seek medical care for persistent irritation
Eye Contact: Rinse gently with plenty of water for at least 15 minutes holding eyelids apart; consult a physician
Ingestion: Rinse mouth with water, do not induce vomiting, seek immediate medical help
Most Important Symptoms: Redness, irritation, coughing, burning of affected tissues
Notes to Physician: Treat symptomatically based on clinical judgment; no specific antidote exists
Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Unsuitable Extinguishing Media: Do not use direct water jet if spread of material can occur
Specific Hazards: During fire, may give off toxic gases including carbon oxides, nitrogen oxides, hydrogen fluoride, sulfur oxides
Protective Equipment for Firefighters: Self-contained breathing apparatus and full protective gear
Firefighting Instructions: Use water spray to cool containers, move containers from fire area if safe; avoid inhaling combustion products
Personal Precautions: Use personal protective equipment, ensure ventilation, avoid breathing vapors, prevent contact
Environmental Precautions: Keep out of drains, soil, and water systems; contain spillage and prevent further leakage
Cleaning Methods: Absorb with inert material like sand or vermiculite, scoop into suitable disposal containers, clean area thoroughly
Decontamination: Wash spill site with copious amounts of water after collecting spilled material
Emergency Procedures: Evacuate area if necessary, restrict unprotected persons from spill zone
Safe Handling: Use in a well-ventilated area, wear protective gear such as gloves and eye shields, avoid inhalation or ingestion
Do Not Handle Without: Face shield, nitrile or chemical-resistant gloves, protective clothing
Storage: Store in original container, tightly closed, away from heat and sunlight, keep in dry, cool, well-ventilated area
Incompatibilities: Strong oxidizers, strong bases, moisture-sensitive reagents
Other Precautions: Avoid storing with food or drink; label all containers clearly
Exposure Limits: No established occupational exposure limits
Engineering Controls: Use fume hood or local exhaust ventilation
Personal Protective Equipment: Chemical splash goggles, impervious gloves, lab coat
Respiratory Protection: Use approved respirator for handling powders or creating aerosols
Hygiene Measures: Wash hands thoroughly after handling; do not eat or drink in work area
Appearance: Colorless to pale yellow, viscous liquid
Odor: Mild, faintly chemical
pH: Not determined (ions in water hydrolyze slightly)
Melting Point: 30 - 35°C
Boiling Point: Decomposes before boiling
Flash Point: >100°C
Solubility: Miscible with water and polar organic solvents
Density: ~1.3 g/cm³
Viscosity: High viscosity compared to most organic liquids
Vapor Pressure: Negligible under ambient conditions
Other Characteristics: Hygroscopic, ionic conductivity in solution
Stability: Stable under recommended storage and handling conditions
Decomposition: Decomposes upon heating, especially above 200°C, releasing potentially toxic vapors
Hazardous Reactions: Reacts vigorously with strong oxidizing agents or bases
Incompatible Materials: Alkali metals, strong acids or bases
Polymerization: Will not occur under standard laboratory conditions
Routes of Exposure: Ingestion, skin absorption, inhalation, eye contact
Acute Toxicity: Low acute toxicity based on structural analogs, but irritation likely
Chronic Effects: Not established by chronic studies; repeated exposure could dry or crack skin
Symptoms: Burning, redness, coughing, respiratory discomfort
Carcinogenicity: No classification or evidence of carcinogenicity
Other Toxic Effects: Sensitization has not been reported; no reproductive toxicity information
Target Organs: Eyes, skin, respiratory passages
Ecotoxicity: Toxic to aquatic organisms based on data for similar ionic liquids
Persistence and Degradability: Does not readily biodegrade; remains in environment unless collected
Bioaccumulation Potential: No significant bioaccumulation expected due to ionic nature
Mobility in Soil: High mobility in water, can leach through soil
Other Adverse Effects: Do not allow material to contaminate groundwater or open water bodies
Waste Treatment: Treat as hazardous waste, follow local and national regulations
Disposal Methods: Incinerate at a facility designed for hazardous organic chemicals; do not dispose with regular waste
Contaminated Packaging: Triple rinse with solvent, then dispose of packaging through hazardous waste contractor
Special Precautions: Avoid release to environment during disposal
Regulatory References: Check Resource Conservation and Recovery Act (RCRA) or similar local laws
UN Number: Not classified as hazardous for transport
UN Proper Shipping Name: Not regulated
Transport Hazard Classes: No specific class assigned
Packing Group: Not regulated
Environmental Hazards: Avoid release to waterways during transport and in case of spill
Transport Precautions: Keep containers tightly sealed, protect from physical damage and exposure to moisture, transport in upright position
Chemical Inventory: Can fall under general new substance notification in EU REACH, US TSCA, Canada DSL/NDSL, Australia AICS
Labeling Requirements: Standard laboratory chemical labeling, use of pictograms depending on jurisdiction
OSHA: Covered under Laboratory Standard 29 CFR 1910.1450
SARA Title III: Not listed as extremely hazardous or toxic chemical
Other Regulations: Observe all local, state, national, and international chemical safety regulations, including workplace hazard communication
