Product Name: 1-(Ethoxycarbonyl)Methyl-3-Methylimidazolium Hexafluorophosphate
Synonyms: [1-Ethoxycarbonylmethyl-3-methylimidazolium][PF6]
CAS Number: 511342-19-7
Recommended Use: Laboratory chemicals, research and development
Supplier: Chemical manufacturer or distributor details including address and contact
Emergency Phone: Local emergency number or CHEMTREC
Classification: Acute toxicity (oral), Skin irritation, Eye irritation, Specific target organ toxicity
GHS Label Elements: Hazard pictogram, Signal word: Warning or Danger
Hazard Statements: Harmful if swallowed; Causes skin and eye irritation; May cause irritation to respiratory tract
Precautionary Statements: Avoid breathing dust/fume/gas/vapors/spray; Wash hands thoroughly after handling; Wear protective gloves and eye protection; IF SWALLOWED: call a doctor if you feel unwell
Routes of Exposure: Inhalation, skin contact, ingestion, eye contact
Symptoms: Redness, pain, nausea, vomiting, coughing
Chemical Identity: 1-(Ethoxycarbonyl)Methyl-3-Methylimidazolium Hexafluorophosphate
Percent Purity: >98%
Hazardous Components: 1-(Ethoxycarbonyl)Methyl-3-Methylimidazolium (60-70%), Hexafluorophosphate anion (30-40%)
Impurities: Possible presence of related imidazolium salts, degraded PF6– byproducts
Molecular Formula: C9H15N2O2PF6
Molecular Weight: 312.20 g/mol
Inhalation: Move individual to fresh air. If breathing is difficult, administer oxygen and seek medical advice.
Skin Contact: Remove contaminated clothing. Wash thoroughly with soap and water. If irritation persists, consult a physician.
Eye Contact: Rinse immediately with plenty of clean water for 15 minutes, keeping eyelids open. Seek prompt medical attention.
Ingestion: Rinse mouth with water. Do not induce vomiting. Never administer anything by mouth to an unconscious person. Call a physician or poison control immediately.
Acute Symptoms and Effects: Nausea, vomiting, irritation to skin and eyes, coughing, breathlessness
Most Important Symptoms and Effects: Severe irritation, chemical burns in the case of prolonged exposure
Suitable Extinguishing Media: Dry chemical powder, carbon dioxide, alcohol-resistant foam
Unsuitable Media: Water spray may spread splashes and increase risk of hazardous decomposition
Specific Hazards: Emits toxic fumes of hydrogen fluoride and phosphorus oxides during combustion
Protective Equipment: Firefighters use approved self-contained breathing apparatus and full protective gear
Special Information: Evacuate area, cool unopened containers with water spray from safe distance
Decomposition Products: Hydrogen fluoride, carbon monoxide, carbon dioxide, nitrogen oxides, phosphorus oxides
Personal Precautions: Put on appropriate personal protective equipment including gloves, lab coat, and chemical goggles. Avoid breathing vapors or dust. Ventilate area.
Environmental Precautions: Prevent material from entering drains or waterways. Contain spill with absorbent material.
Methods for Cleanup: Collect spilled material with non-combustible absorbent such as sand or vermiculite. Place in a suitable labeled-contained for waste disposal.
Disposal: Clean up area with water and detergent, minimizing dust formation. Dispose of according to official regulations.
Handling: Use in a well-ventilated laboratory or chemical hood. Avoid contact with skin, eyes, and clothing. Prevent formation of aerosols.
Hygiene Measures: Wash hands before eating, drinking, or smoking. Remove contaminated clothing and wash before reuse.
Storage: Store in tightly closed container in a dry, cool, well-ventilated area. Keep away from heat, sparks, open flame. Avoid moisture, acids, and bases.
Incompatible Materials: Strong oxidizers, acids, bases, moisture. Avoid storage near food and drink.
Storage Temperature: 2-8°C recommended
Engineering Controls: Use local exhaust ventilation or chemical fume hood. Install safety shower and eye wash station in work area.
Personal Protective Equipment: Chemical-resistant gloves (nitrile/neoprene), safety goggles or face shield, laboratory coat, closed footwear.
Respiratory Protection: Suitable respirator if ventilation is insufficient; NIOSH approved.
Occupational Exposure Limits: No established limits for this compound. Use caution and minimize exposure.
Environmental Controls: Avoid release to environment. Use in closed systems wherever possible.
Appearance: White or off-white crystalline solid or powder
Odor: Faint, characteristically chemical
Odor Threshold: Not established
pH: Not available (aqueous solutions may be slightly acidic)
Melting Point: 80–110°C
Boiling Point: Not determined (decomposes before boiling)
Flash Point: >150°C (closed cup, approximate)
Evaporation Rate: Not determined
Flammability: May burn at elevated temperatures but not inherently flammable
Upper/Lower Explosion Limits: Not available
Vapor Pressure: Extremely low
Vapor Density: Not determined
Relative Density: 1.3–1.4 (water = 1)
Solubility: Slightly soluble in water, miscible with organic solvents like acetonitrile, DMSO
Partition Coefficient (n-octanol/water): Not determined
Auto-ignition Temperature: Not determined
Decomposition Temperature: >200°C (with release of toxic gases)
Viscosity: Not determined
Chemical Stability: Stable under recommended storage conditions. Sensitive to moisture, acids, and bases.
Hazardous Reactions: Reacts with strong oxidizing agents, acids, and bases leading to decomposition.
Conditions to Avoid: Exposure to moisture, extreme temperatures, incompatible materials.
Incompatible Materials: Water, strong acids, strong bases, oxidizing agents.
Decomposition Products: May emit toxic fumes of hydrogen fluoride, phosphorus oxides, carbon oxides, nitrogen oxides on decomposition.
Acute Toxicity: Harmful if swallowed; LD50 data not well established, may cause gastrointestinal distress.
Skin Corrosion/Irritation: Causes skin irritation and possible chemical burns with prolonged contact.
Eye Damage/Irritation: Causes serious eye irritation, risk of chemical conjunctivitis.
Respiratory Sensitization: May cause coughing, shortness of breath if inhaled.
Chronic Effects: No known chronic toxicity, but little long-term data exist. Repeated exposure increases risk of sensitization.
Mutagenicity/Carcinogenicity: No known data available.
Other Effects: Can exacerbate symptoms in individuals with respiratory, dermatological, or ocular conditions.
Ecotoxicity: Toxic to aquatic life due to presence of hexafluorophosphate anion. Even small spills should be prevented from entering watercourses.
Persistence and Degradability: Not readily biodegradable; persistent in the environment.
Bioaccumulative Potential: Potential for bioaccumulation is unknown; hexafluorophosphate ions have some documented risk.
Mobility in Soil: Depending on conditions, may leach through soil to groundwater.
Other Adverse Effects: Can degrade to toxic byproducts (fluoride compounds, phosphorus oxides) in the environment.
Disposal Methods: Dispose as hazardous waste in accordance with local, state, and national regulations. Burn in a chemical incinerator equipped with afterburner and scrubber.
Waste Code: Not assigned; treat as hazardous laboratory waste.
Contaminated Packaging: Dispose of contaminated containers as hazardous waste. Do not reuse.
Special Precautions: Neutralize and rinse equipment with caution. Do not discharge into drains or environment.
UN Number: Not regulated by international transport regulations (ADR/RID, IMDG, IATA); review local transport guidelines for hazardous chemicals.
UN Proper Shipping Name: May ship as chemical, n.o.s (not otherwise specified). Confirm with regulatory agencies.
Transport Hazard Class: Not classified
Packing Group: III (indicative only; confirm by mode and route of transport)
Environmental Hazards: Marine pollutant by virtue of hexafluorophosphate anion
Special Precautions for User: Avoid spills during loading and unloading; ensure containers are sealed and labeled correctly
Safety, Health and Environmental Regulations: Subject to chemical safety assessment under REACH (EU). Not listed on United States TSCA inventory. No OSHA, SARA, CERCLA reporting thresholds specifically for this material.
Labeling Requirements: GHS-compliant labels stating hazard categories, pictograms, and signal words. Emergency numbers and supplier details required.
International Inventories: Verify if listed on EINECS, DSL/NDSL, AICS, ENCS, PICCS, or other inventories.
Other Regulations: Comply with workplace hazard communications standards and chemical hygiene plans in all jurisdictions.