Chemical Name: N-Ethylpyridinium Trifluoromethanesulfonate
Synonyms: 1-Ethylpyridinium Trifluoromethanesulfonate, EPTfMS
CAS Number: 3692-45-9
Recommended Use: Laboratory chemical, synthetic intermediate
Manufacturer: No formal listing, consult laboratory supplier
Emergency Contact: Local regulatory authorities, poison centers, internal lab safety team
GHS Classification: Harmful if swallowed (Acute Toxicity Category 4)
Pictogram: Exclamation mark
Signal Word: Warning
Hazard Statements: Causes gastrointestinal discomfort, may irritate respiratory tract
Precautionary Statements: Avoid breathing dust, wear protective clothing, wash hands thoroughly after use
Potential Health Effects: Prolonged or repeated skin contact can lead to irritation, eye contact yields redness or pain
Chemical Name: N-Ethylpyridinium Trifluoromethanesulfonate
Formula: C8H10F3NO3S
Molecular Weight: 257.23 g/mol
Components: Ethylpyridinium cation, trifluoromethanesulfonate anion
Concentration: 100% pure or as specified in preparation
Inhalation: Move person to fresh air. If symptoms develop, seek medical attention. Remove source of exposure.
Skin Contact: Wash with soap and water for fifteen minutes. Remove contaminated clothing.
Eye Contact: Rinse with flowing water for several minutes holding eyelids open. Remove contact lenses if present.
Ingestion: Rinse mouth, do not induce vomiting. Get medical help if discomfort persists.
Notice to Doctors: Treat symptomatically and monitor for delayed effects
Suitable Extinguishing Media: Use carbon dioxide, dry chemical, foam, or water spray
Unsuitable Media: Direct water stream may spread chemicals
Special Hazards: Emits toxic fumes under combustion. Can release nitrogen oxides, sulfur oxides, and hydrofluoric acid
Protective Equipment: Wear full protective gear and self-contained breathing apparatus
Advice for Firefighters: Stay upwind, keep unnecessary people away
Personal Precautions: Wear gloves, safety glasses, lab coat. Use approved respirator if dust forms.
Environmental Precautions: Prevent chemical runoff into drains, surface waters, or soil. Avoid dispersal of spilled material.
Methods for Cleaning Up: Scoop up dry chemical using non-sparking tools. Moisten area to reduce dust. Place in labeled, sealable container for disposal.
Decontamination Procedures: Ventilate spill area thoroughly. Wash spill site once cleanup is finished.
Handling: Avoid breathing dust or contact with skin and eyes. Use only in well-ventilated locations. Handle with personal protective equipment.
Storage: Store in tightly closed container in cool, dry, and well-ventilated space. Keep away from moisture, acids, and incompatible agents.
Special Requirements: Practice good hygiene and keep containers tightly sealed when not in use.
Occupational Exposure Limits: No known workplace exposure limits for this compound
Engineering Controls: Use chemical fume hood, mechanical exhaust recommended
Personal Protection: Wear chemical resistant gloves (nitrile), safety goggles, lab coat
Respiratory Protection: Approved respirator if handling large quantities or powder
Environmental Exposure Controls: Secure lids and avoid releasing dust to air or drains
Appearance: White to pale yellow crystalline powder
Odor: Slight, not distinctive
Odor Threshold: Not established
pH (in solution): Mildly acidic
Melting Point: 82-86°C
Boiling Point: Not available, decomposes on heating
Flash Point: Not applicable
Solubility: Soluble in water, polar organics
Density: 1.38 g/cm³ (approximate)
Vapor Pressure: Not measurable
Partition Coefficient (log Kow): Not determined
Viscosity: Not applicable
Decomposition Temperature: Above 200°C, releasing hazardous gases
Reactivity: Stable under recommended use and storage conditions
Chemical Stability: Chemically stable in dry air and away from light
Possibility of Hazardous Reactions: May react with strong oxidizers, acids or bases
Conditions to Avoid: High temperatures, moisture, direct sunlight
Incompatible Materials: Strong acids, bases, oxidizing agents
Hazardous Decomposition Products: Can produce carbon monoxide, carbon dioxide, nitrogen oxides, sulfur oxides, and hydrogen fluoride gases on decomposition
Acute Toxicity: Low–moderate acute toxicity; LD50 (oral, rat) not published, but ingestion may cause nausea and vomiting
Skin Corrosion/Irritation: May cause mild irritation on direct or prolonged contact
Eye Damage/Irritation: Causes redness, tearing, stinging
Respiratory Sensitization: Dust can irritate nose, throat, and lungs
Ingestion Risks: Can irritate gastrointestinal tract
Chronic Effects: Not classified, limited data for repeat exposure
Carcinogenicity/Mutagenicity/Reproductive Toxicity: Not listed by NTP, IARC or OSHA
Toxicity to Aquatic Life: Not well studied; theoretical concern due to trifluoromethanesulfonate anion persistence
Persistence and Degradability: Likely not readily biodegradable; perfluoroalkyl groups resist breakdown
Bioaccumulative Potential: Data not available; low volatility limits atmospheric distribution
Mobility in Soil: High water solubility may enhance mobility in aquatic systems
Other Hazardous Effects: Release to the environment should be minimized
Waste Disposal Methods: Dispose of as hazardous chemical waste. Do not discharge to drains or environment.
Container Disposal: Use properly labeled containers. Rinse thoroughly then send for authorized chemical waste handling.
Additional Information: Consult regional or national environmental authorities for guidance.
UN Number: Not regulated by international transport agencies in small quantities. Consult local regulations for bulk transport.
Proper Shipping Name: Laboratory Chemicals, N.O.S. (contains N-Ethylpyridinium Trifluoromethanesulfonate)
Transport Hazard Class: No transport classification, handle with chemical care
Packing Group: None assigned
Environmental Hazards: Not marine pollutant
Special Precautions: Keep containers secure, dry, away from incompatible loads
OSHA Status: Not specifically listed
SARA Title III: Not listed under Sections 302, 304, or 313
TSCA: Not explicitly listed, for research and development use only
EINECS/ELINCS: Not listed
California Proposition 65: Not on list
Other Regulatory Info: Follow local, regional, and national laws controlling chemical safety; researchers remain responsible for reporting use and disposal as needed
