Material Safety Data Sheet for 1-Propyl-2,3-Dimethylimidazolium Hexafluorophosphate

Identification

Product Name: 1-Propyl-2,3-Dimethylimidazolium Hexafluorophosphate
Synonyms: [C6H13N2][PF6], Propyl-2,3-Dimethylimidazolium Hexafluorophosphate
Recommended Use: Laboratory chemical, research applications, intermediate for chemical synthesis
Supplier: Industrial chemical provider or research laboratory supply house
Emergency Contact: National Poison Control Center: 1-800-222-1222, local emergency number

Hazard Identification

Hazard Classification: Acute Oral Toxicity (Category 4), Eye Irritation (Category 2A), Environmental Hazard (Aquatic Chronic Category 3)
Signal Word: Warning
Hazard Statements: Harmful if swallowed, causes serious eye irritation, toxic to aquatic life with long lasting effects
Pictograms: Exclamation mark, Environment
Precautionary Statements: Avoid contact with eyes, do not ingest, work in well-ventilated areas, avoid release to the environment, wash hands after handling, use protective gloves and eye protection

Composition / Information on Ingredients

Chemical Name: 1-Propyl-2,3-Dimethylimidazolium Hexafluorophosphate
CAS Number: 188342-08-9
EC Number: Not assigned
Formula: C8H15N2PF6
Purity: >98%
Impurities: Trace organic contaminants possible, less than 2%.
Stabilizing Additives: None reported.

First Aid Measures

Inhalation: Move person to fresh air, keep comfortable, seek medical attention if symptoms persist
Skin Contact: Wash thoroughly 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, seek medical advice if irritation develops
Ingestion: Rinse mouth, drink water if conscious, do not induce vomiting, seek immediate medical help
Most Important Symptoms: Irritation of eyes, skin redness, nausea and gastric discomfort
Medical Attention: Provide all label and MSDS information to healthcare provider, support vital functions as required

Fire-Fighting Measures

Suitable Extinguishing Media: Dry chemical, carbon dioxide, foam, use water spray to cool containers
Unsuitable Media: Avoid direct water jets on chemical, may spread material
Specific Hazards: May release toxic and corrosive fumes including HF (hydrogen fluoride), phosphorus oxides on decomposition
Protective Equipment: Full protective gear, positive pressure self-contained breathing apparatus (SCBA), chemical resistant jacket, gloves, and boots
Advice for Firefighters: Isolate area, keep unnecessary personnel away, approach fire upwind

Accidental Release Measures

Personal Precautions: Wear proper protective gear, including safety goggles, gloves, lab coat, adequate ventilation required
Environmental Precautions: Prevent release to soil, sewers, and waterways, contain spillage to avoid environmental contamination
Containment and Cleanup: Absorb spill with inert material (sand, silica gel), sweep or scoop up, place in labeled waste container for proper disposal, ventilate area and wash spill site after material pickup
Reference to Other Sections: For disposal see section on Waste Considerations

Handling and Storage

Handling: Avoid breathing vapors, avoid skin and eye contact, use in a chemical fume hood or well-ventilated area, do not eat, drink, or smoke while handling
Storage Conditions: Store in tightly closed container, keep in a cool, dry place, away from direct sunlight and incompatible substances such as acids, bases, and strong oxidizers
Specific Uses: Intended for laboratory and industrial research use
Incompatible Materials: Strong oxidizing agents, strong acids and bases, sources of moisture

Exposure Controls and Personal Protection

Exposure Limits: No established occupational exposure limits for this substance
Engineering Controls: Use only in chemical fume hood, maintain adequate ventilation
Personal Protective Equipment: Chemical-resistant gloves (nitrile, neoprene), safety goggles, laboratory coat, use face shield if splash risk exists
Respiratory Protection: Use NIOSH/MSHA-approved respirator if ventilation insufficient
Hygiene Measures: Wash hands after handling, remove contaminated clothing promptly, do not reuse until properly cleaned

Physical and Chemical Properties

Appearance: Colorless to pale yellow liquid
Odor: Faint, sweet or ether-like
Odor Threshold: Not available
pH: Neutral to slightly acidic in aqueous solution
Melting Point/Freezing Point: -10 to 5 °C
Boiling Point: Decomposes before boiling
Flash Point: >100°C (closed cup method)
Evaporation Rate: Not determined
Flammability (solid, gas): Not flammable under ambient conditions
Vapor Pressure: Very low at 20°C
Vapor Density: Not established
Relative Density: 1.30–1.40 g/cm3 at 20°C
Solubility: Somewhat miscible with water, soluble in polar organic solvents
Partition Coefficient (n-octanol/water): Not available
Auto-ignition Temperature: Not established
Decomposition Temperature: Thermal decomposition above 200°C
Viscosity: High viscosity, flows slowly at room temperature

Stability and Reactivity

Chemical Stability: Stable under normal temperatures and pressures
Possibility of Hazardous Reactions: Reacts with strong acids and bases, oxidizers
Conditions to Avoid: High temperatures, direct sunlight, moisture, strong oxidizing conditions
Incompatible Materials: Acids, bases, oxidizers, water due to possible decomposition
Hazardous Decomposition Products: Hydrogen fluoride, phosphoryl fluoride, imidazolium fragments, carbon oxides, nitrogen oxides

Toxicological Information

Likely Routes of Exposure: Inhalation, ingestion, skin and eye contact
Acute Toxicity: Harmful if swallowed; median lethal dose (LD50 oral, rat) estimated between 300–2000 mg/kg
Skin Corrosion/Irritation: May cause mild to moderate irritation
Eye Damage/Irritation: Causes significant eye irritation, redness, tearing possible
Respiratory Sensitization: Not classified as a respiratory sensitizer
Skin Sensitization: Not classified, but contact may lead to allergic reactions in predisposed individuals
Carcinogenicity: Not listed as a known carcinogen by IARC, NTP, or OSHA
Mutagenicity: No data indicating mutagenic potential
Target Organs: Gastrointestinal tract, eyes, skin
Chronic Effects: Repeated exposure may enhance irritation effects, long-term data not available

Ecological Information

Toxicity: Toxic to aquatic organisms, may cause long-term adverse effects in aquatic environment
Persistence and Degradability: Ionic liquids like this one often show poor biodegradability
Bioaccumulative Potential: Potential for bioaccumulation exists due to partitioning to organic phases
Mobility in Soil: Moderate, substance may leach to groundwater due to some water solubility
Other Adverse Effects: May affect microorganisms, disrupt aquatic ecosystems, avoid contamination of local water sources

Disposal Considerations

Waste Treatment Methods: Dispose of excess and contaminated material through an approved chemical waste disposal contractor
Contaminated Packaging: Dispose of empty containers as hazardous waste; do not reuse packaging
Environmental Precautions: Prevent release to environment, keep out of drainage systems, surface waters, soils
Recommendation: Do not dispose of product by flushing down drain, incinerate under strictly controlled conditions only

Transport Information

UN Number: Not regulated as a hazardous material under current ADR/RID, IMDG, IATA regulations
Proper Shipping Name: Not classified for transport
Transport Hazard Class: Not classified
Packing Group: Not assigned
Special Precautions: Keep containers tightly sealed and upright during transport, keep away from foodstuffs and oxidizers
Environmental Hazards: Avoid transport with other chemicals likely to react, secure containers to prevent breakage and spillage

Regulatory Information

Regulatory Status: Not listed specifically under major US, EU, or international chemical control regulations
Safety Regulations: Workplace use covered under OSHA (US), REACH and CLP (EU) general chemical safety guidelines
Environmental Regulations: Subject to local regulations regarding emissions, hazardous waste, or spill reporting
Other Regulations: Recommended to maintain full documentation for risk management, training, and emergency response
Labelling Requirements: Ensure workplace containers labeled per GHS standards, including hazard statements and pictograms