Material Safety Data Sheet: 1-Propyl-3-Methylimidazolium Hexafluorophosphate

Identification

Product Name: 1-Propyl-3-Methylimidazolium Hexafluorophosphate
Synonyms: [C3MIM][PF6], PMIM PF6
CAS Number: 174899-83-3
Recommended Use: Solvent, ionic liquid, research chemical
Supplier: Refer to supplier documentation
Emergency Telephone: Refer to local regulations and supplier information
Relevant Identified Uses: Laboratory chemical for scientific R&D, electrochemical applications, specialty synthesis
Restrictions on Use: Do not use for food, drug, or household purposes

Hazard Identification

GHS Classification: Acute Toxicity, Category 4 (Oral); Skin Corrosion/Irritation, Category 2; Serious Eye Damage/Eye Irritation, Category 2A;
Signal Word: Warning
Hazard Statements: Harmful if swallowed; Causes skin irritation; Causes serious eye irritation;
Pictograms: Exclamation mark
Precautionary Statements: Avoid breathing dust or vapors; Wash touched areas thoroughly after handling; Do not eat, drink, or smoke while using product; Wear protective gloves, safety goggles, protective clothing

Composition / Information on Ingredients

C hemical Name: 1-Propyl-3-Methylimidazolium Hexafluorophosphate
Common Name: PMIM PF6
CAS Number: 174899-83-3
EC Number: 695-429-4
Purity: ≥ 98% by weight
Hazardous Components: No additional relevant hazardous substances reported
Impurities: Trace water may be present; refer to certificate of analysis for exact values

First Aid Measures

Inhalation: Move to fresh air; get medical help if symptoms appear
Skin Contact: Wash with plenty of soap and water for several minutes; remove contaminated clothing; seek medical advice if irritation persists
Eye Contact: Rinse cautiously with water for several minutes; remove contact lenses if present and easy to do; call a doctor if irritation develops
Ingestion: Rinse mouth with water; seek immediate medical attention; do not induce vomiting unless directed by medical personnel
Main Symptoms/Effects: Nausea, headache, skin redness, eye pain, possible delayed symptoms after exposure

Fire-Fighting Measures

Suitability of Extinguishing Media: Dry chemical, carbon dioxide, alcohol-resistant foam, water fog
Hazardous Combustion Products: Hydrogen fluoride, phosphorus oxides, carbon oxides, nitrogen oxides, toxic and irritant fumes
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective gear, prevent skin and eye contact with decomposition products
Specific Firefighting Methods: Keep upwind; cool containers with water spray; prevent runoff from entering drains or surface water

Accidental Release Measures

Personal Precautions: Wear suitable personal protective equipment including gloves, safety goggles, and lab coat
Environmental Precautions: Prevent further leakage or spillage; do not let product contaminate surface water, drains, or soil
Methods for Containment: Stop leak if possible without risk; dike spill area for containment
Cleanup Procedures: Collect spillage with inert material (sand, earth) and transfer to closed container for disposal; ventilate area; wash contaminated surfaces with water and neutral detergent

Handling and Storage

Handling: Handle in a well-ventilated area; avoid inhaling dust, mist, or vapors; avoid skin and eye contact; practice good industrial hygiene
Storage: Store in tightly closed, labeled containers in a cool, dry, well-ventilated place; keep away from incompatible materials such as strong oxidizing agents, acids, bases, and moisture
Special Precautions: Protect from light and heat; keep storage and work area clean; wash hands before eating, drinking, or smoking after handling this compound

Exposure Controls and Personal Protection

Engineering Controls: Use adequate ventilation; fume hood recommended for laboratory-scale use
Personal Protective Equipment: Chemical-resistant gloves (nitrile or neoprene), lab coat, safety glasses with side shields or chemical splash goggles
Respiratory Protection: Approved respirator if ventilation is inadequate or if exposure limits are exceeded
Hygiene Measures: Wash hands and face after handling; remove and wash contaminated clothing before reuse; avoid eating, drinking, or smoking during use
Occupational Exposure Limits: No specific exposure limits established; general dust and chemical exposure guidelines apply

Physical and Chemical Properties

Appearance: Colorless to pale yellow liquid, may solidify at lower temperatures
Odor: Slight; characteristic
Odor Threshold: Not established
pH: Not applicable (non-aqueous)
Melting Point: Approximately 5-10 °C
Boiling Point: Decomposes before boiling
Flash Point: >180 °C (estimated)
Evaporation Rate: Not available
Flammability: Not considered flammable under normal conditions
Upper/Lower Flammability or Explosive Limits: Not determined
Vapor Pressure: Very low at standard temperature
Vapor Density: Not available
Density: 1.28–1.34 g/cm³
Solubility: Slightly soluble in water; miscible with many organic solvents
Partition Coefficient (n-octanol/water): Not available
Autoignition Temperature: Not determined
Decomposition Temperature: >180 °C
Viscosity: 50–120 cP at 25 °C

Stability and Reactivity

C hemical Stability: Stable under recommended storage conditions
Possibility of Hazardous Reactions: May form toxic decomposition products at high temperatures or on contact with strong acids, bases, or oxidizers
Conditions to Avoid: Excessive heat, exposure to moisture, sources of ignition, strong UV light
Incompatible Materials: Strong oxidizing agents, acids, alkalis, water (causes hydrolysis and release of HF)
Hazardous Decomposition Products: Hydrogen fluoride, phosphorus oxides, carbon oxides, nitrogen oxides

Toxicological Information

Acute Toxicity (Oral): Rat LD50 >300 mg/kg; considered harmful if ingested
Acute Toxicity (Inhalation and Dermal): Data limited; dust/mist may irritate respiratory system
Skin Corrosion/Irritation: Causes irritation based on structural analogs and available data
Eye Damage/Irritation: Causes serious eye irritation; may lead to pain, redness, and tearing
Respiratory or Skin Sensitization: Not classified, no data indicating sensitization
Chronic Toxicity: Long-term studies lacking, repeated exposure not recommended
Carcinogenicity, Mutagenicity, Reproductive Toxicity: Insufficient data for classification
Potential Health Effects: Exposure by swallowing, skin, or eye contact can cause acute symptoms; inhaling dust can irritate airways

Ecological Information

Toxicity to Aquatic Organisms: Data limited; similar ionic liquids have shown high toxicity to aquatic invertebrates and potential for chronic toxicity
Mobility in Soil: Low, but may leach with water; persistence review indicates potential concern for environmental accumulation
Persistence and Degradability: Not readily biodegradable; potential for long-term persistence in the environment
Bioaccumulative Potential: Potential for bioaccumulation in aquatic species
Other Adverse Effects: Avoid release into the environment, toxic to aquatic life with long-lasting effects likely based on chemical structure

Disposal Considerations

Disposal Methods: Dispose of contents/container in accordance with local, regional, national, and international regulations;
Safe Disposal Recommendations: Collect and place in suitable, labeled chemical waste container; do not drain or discard into water systems;
Contaminated Packaging: Triple-rinse containers and puncture before disposal or incineration
Additional Precautions: Offer surplus and non-recyclable solution to licensed chemical disposal company; comply with hazardous waste guidelines

Transport Information

UN Number: Not regulated under UN transport classification
Transport Hazard Class: Not classified as dangerous for transport
Packing Group: No applicable packing group assigned
Transport Labels: Not required for road, rail, air, or sea; check with local requirements for large quantities
Special Transport Precautions: Keep container tightly closed and upright during transport; prevent spillage; avoid transport with incompatible materials

Regulatory Information

Safety, Health, and Environmental Regulations: Not listed as a specifically controlled substance under major chemical regulations such as REACH, TSCA, or WHMIS; consult regional or country-specific chemical inventories for up-to-date information
Restrictions: Use restrictions based on workplace, laboratory, or research facility regulations
Other Regulatory Status: Observe workplace control laws, environmental protection acts, and waste disposal protocols in affected regions; review hazard classification regularly in line with evolving chemical safety standards