Chemical Name: 1-Hexyl-3-Methylimidazolium Trifluoromethanesulfonate
Synonyms: [HMIM][OTf], C10H17F3N2O3S, Ionic Liquid
Product Use: Solvent, Electrolyte, Laboratory Reagent
Supplier: Chemical distributors, academic chemical supply companies
Emergency Contact Number: Refer to company safety office or local poison control
Recommended Restrictions: Not approved for food, drug, or household use; laboratory and industrial use only
CAS Number: 944821-83-0
GHS Classification: Acute toxicity (oral) Category 4, Skin Irritation Category 2, Eye Irritation Category 2A, Acute aquatic toxicity Category 3
Pictogram: Exclamation mark
Signal Word: Warning
Hazard Statements: Harmful if swallowed; causes skin and eye irritation; may be harmful to aquatic life
Precautionary Statements: Do not eat, drink, or smoke during use; wash hands thoroughly; avoid release to the environment
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Symptoms: Gastrointestinal pain, skin redness, eye stinging, possible headache from inhalation
NFPA Rating: Health – 2, Flammability – 1, Reactivity – 0
Chemical: 1-Hexyl-3-Methylimidazolium Trifluoromethanesulfonate
Formula: C10H17F3N2O3S
Molecular Weight: 318.31 g/mol
Purity: >98%
Impurities: Water (<0.2%), imidazolium byproducts (<1%)
Inhalation: Remove person to fresh air, keep at rest, monitor for breathing difficulties, call physician if symptoms persist
Skin Contact: Remove contaminated clothing, wash with soap and water for at least 15 minutes, seek medical attention for persistent irritation
Eye Contact: Rinse with water for 15 minutes, lift upper and lower lids occasionally, remove contact lenses if present, consult ophthalmologist
Ingestion: Rinse mouth, do not induce vomiting, drink plenty of water if conscious, contact poison control or physician
Key Symptoms: Redness, burning sensation, nausea, headache
Suitable Extinguishing Media: Carbon dioxide, dry powder, alcohol-resistant foam, water spray
Unsuitable Extinguishing Media: Direct water jet
Hazardous Combustion Products: Carbon oxides, nitrogen oxides, sulfur oxides, hydrogen fluoride, toxic fumes
Firefighting Instructions: Wear self-contained breathing apparatus, full protective clothing, avoid inhaling gases
Special Hazards: Containers may build pressure in heat; cool with water spray
Personal Precautions: Avoid breathing vapors; stay upwind of fire
Personal Precautions: Ensure adequate ventilation, use personal protective equipment, prevent skin and eye contact
Environmental Precautions: Do not allow material to enter drains or surface water; prevent soil contamination
Cleanup Methods: Absorb with inert material like sand or diatomaceous earth, collect in tightly closed container for disposal
Decontamination: Wash spill area with soap and water, ventilate area, dispose of cleaning liquids safely
Safe Handling: Work in well-ventilated area, avoid inhaling vapor/mist, avoid skin and eye contact, keep away from incompatible chemicals
Hygiene Practices: Wash hands thoroughly after handling, remove contaminated clothing, avoid eating or drinking in work area
Storage Conditions: Store tightly closed in cool, dry, well-ventilated area; protect from light and moisture; keep away from strong acids, bases, oxidizers
Packaging Materials: Store in glass, HDPE, or compatible containers; label containers clearly
Engineering Controls: Laboratory fume hood, eye wash station, emergency shower, mechanical ventilation
Personal Protective Equipment: Splash-resistant goggles, chemical-resistant gloves (nitrile or neoprene), lab coat, closed shoes
Respiratory Protection: NIOSH-approved respirator for high vapor concentrations
Occupational Exposure Limits: Not established for this substance; minimize exposure as much as possible
Hygiene Precautions: Regular hand washing, routine clothing laundering, change gloves if contaminated
Appearance: Colorless to pale yellow liquid
Odor: Slight, characteristic
pH: No data available for concentrated product
Melting Point: Estimated -20°C
Boiling Point: Decomposes before boiling
Flash Point: >140°C (closed cup)
Relative Density: 1.33 g/cm³ at 20°C
Solubility: Miscible with water, alcohol, some organic solvents
Vapor Pressure: Negligible at 20°C
Viscosity: Relatively high
Partition Coefficient (log Kow): Not measured
Decomposition Temperature: >250°C
Chemical Stability: Stable under recommended conditions
Thermal Decomposition: Produces hazardous gases above 250°C
Conditions to Avoid: Exposure to extreme heat, direct sunlight, moisture
Incompatible Materials: Strong oxidizing agents, strong acids, bases
Polymerization: No hazardous polymerization expected
Hazardous Decomposition Products: Carbon oxides, nitrogen oxides, sulfur oxides, hydrogen fluoride, trifluoromethanesulfonic acid fumes
Acute Toxicity: Harmful if swallowed; oral LD50 (rat) estimated >300 mg/kg
Skin Corrosion/Irritation: Causes moderate irritation on exposure
Eye Damage/Irritation: Causes irritation, possible temporary damage
Respiratory Sensitization: May cause mild respiratory irritation
Repeated Dose Toxicity: Not fully investigated; caution advised
Chronic Toxicity: No long-term animal studies published
Carcinogenicity: No evidence or classification
Mutagenicity: Tests not available
Reproductive Toxicity: Not determined, handle with caution
Signs and Symptoms of Exposure: Skin redness, gastrointestinal upset, headache after inhalation; symptoms usually temporary with prompt care
Ecotoxicity: Harmful to aquatic organisms, may cause long-lasting effects
Persistence and Degradability: Not readily biodegradable; stable in environment
Bioaccumulative Potential: No data, but ionic nature suggests low bioaccumulation
Mobility in Soil: Likely to leach into groundwater if large quantities released
Aquatic Toxicity Data: Not extensively studied, apply precautionary handling
Other Adverse Effects: Disrupts microbial populations in wastewater
Precaution: Prevent release into environment, avoid disposal in drains
Disposal Method: Collect and deliver to licensed chemical disposal facility; incinerate under controlled conditions when possible
Contaminated Packaging: Empty containers may retain product; rinse then dispose in hazardous waste according to local regulations
Special Precautions: Do not release into environment or regular trash; consult local environmental authority
Waste Code: Check applicable local, regional, national regulations for hazardous waste classification
UN Number: Not regulated under most international transport conventions (check local laws)
Proper Shipping Name: Chemical, non-hazardous, n.o.s.
Transport Hazard Class: Not classified as dangerous
Packing Group: Not assigned
Marine Pollutant: Not listed, but may affect aquatic life
Special Precautions for User: Seal containers properly, keep away from incompatible goods, transport in secure upright containers
Additional Information: Carry emergency spill kit if transporting in large quantities
International Inventories: Ingredient may not appear on all chemical inventories worldwide; custom manufacture or import may need local notification
Regulated In: US (TSCA: not listed); EU (REACH status varies); Japan (ENCS: not listed); other national chemical inventories
Safety, Health, and Environmental Regulations: Use only as scientific/industrial reagent, not for consumer product applications
Label Elements: GHS label required where applicable
Other Regulations: Handle in compliance with workplace health and safety, chemical hygiene, and environmental standards
Supplier Obligations: Supply Safety Data Sheets, training for users and transporters
User Obligations: Follow institutional safety guidelines and national regulations for storage, usage, and waste disposal
