Product Name: 1-Hydroxyethyl-2,3-Dimethylimidazolium Hexafluorophosphate
Recommended Use: Laboratory chemicals, research, industrial applications
Manufacturer: Supplier information needed on label
CAS Number: 946682-66-0
Synonyms: [No synonyms commonly recognized for this substance]
Contact Information: Emergency contact information must appear on shipping label and SDS
Emergency Telephone: Available 24 hours
GHS Classification: Acute toxicity (oral), Skin and serious eye irritation, Specific target organ toxicity
Signal Word: Warning
Hazard Statements: Harmful if swallowed; causes skin irritation; causes serious eye irritation; may cause respiratory discomfort
Pictograms: Exclamation mark
Precautionary Statements: Do not breathe dust or vapor; wear protective gloves, eye protection; wash thoroughly after handling; if in eyes rinse cautiously with water
Other Hazards: Dust generation possible; possible release of hydrogen fluoride upon contact with acids
Chemical Name: 1-Hydroxyethyl-2,3-Dimethylimidazolium Hexafluorophosphate
CAS Registry Number: 946682-66-0
Concentration: >98% by weight
Impurities: Trace impurities not expected to affect classification
Additives: None
Inhalation: Move individual to fresh air, seek medical attention if symptoms persist, provide artificial respiration if required
Skin Contact: Remove contaminated clothing, wash skin with soap and water, obtain medical help for irritation or burns
Eye Contact: Rinse cautiously with water for at least 15 minutes, remove contact lenses if present and easy, seek prompt medical advice
Ingestion: Rinse mouth, do not induce vomiting, give water to drink if person is conscious, obtain medical attention
Suitable Extinguishing Media: Dry chemical powder, carbon dioxide, foam
Unsuitable Media: Do not use water jets directly on substance
Hazardous Combustion Products: Hydrogen fluoride, phosphorus oxides, nitrogen oxides, carbon monoxide, carbon dioxide
Protective Equipment: Full protective fire gear and self-contained breathing apparatus
Fire/Explosion Hazards: May release toxic and corrosive gases on combustion, avoid inhalation of vapors and smoke
Special Precautions: Cool containers exposed to fire with water spray from a safe distance
Personal Precautions: Evacuate area, provide adequate ventilation, avoid breathing dust, use personal protective equipment including gloves, goggles, and respirators
Environmental Precautions: Prevent entry into sewers, drains, water courses, inform authorities if product enters environment
Cleanup Methods: Absorb spill with inert absorbent, transfer to waste container, wash area with detergent solution, ventilate area, and dispose of waste according to local regulations
Decontamination: Wash spill surface thoroughly to remove residues, avoid using strong acids that may release hazardous gases
Handling: Use in well-ventilated areas, avoid contact with skin, eyes, and clothing, avoid dust generation, do not eat or drink near area of use
Storage: Keep container tightly closed in a dry, cool, well-ventilated place, store away from acids, strong oxidizers, and moisture
Specific Requirements: Use corrosion-resistant containers, keep out of reach of children, maintain appropriate labeling and safety signs, regularly inspect storage conditions to detect leaks or container degradation
Engineering Controls: Use fume hood or local exhaust, workplace must be monitored for airborne exposure
Exposure Limits: No occupational exposure limits established, handle as potentially hazardous
Personal Protective Equipment: Chemical-resistant gloves (nitrile preferred), goggles or face shield, lab coat or chemical apron, respiratory protection for dusts and vapors
Hygiene Measures: Wash hands before breaks, after handling, remove contaminated clothing and wash before reuse, avoid touching face during use
Appearance: White to off-white crystalline powder
Odor: Faint, not pungent
Melting Point: Approximately 145 to 155°C
Boiling Point: Decomposes before boiling
Flash Point: Data not available
Solubility: Readily soluble in water, soluble in polar organic solvents
Vapor Pressure: Negligible at room temperature
Density: 1.24 to 1.28 g/cm³
pH: 5 – 7 (10% solution in water)
Partition Coefficient: Not determined
Autoignition Temperature: Not established
Evaporation Rate: Not volatile under normal conditions
Chemical Stability: Stable under recommended storage conditions, avoid exposure to moisture and acids
Reactivity: Reacts with strong acids, potential to release hydrofluoric acid and other toxic gases
Incompatible Materials: Water/moisture, strong acids, strong oxidizers, alkali metals
Hazardous Decomposition Products: Hydrogen fluoride, phosphorus oxides, nitrogen oxides, carbon oxides
Conditions to Avoid: Elevated temperature, open flames, acidic conditions
Acute Toxicity: Harmful if swallowed, data on LD50 (rat, oral) limited but signifies moderate toxicity
Skin Sensitization: May cause irritation and redness on contact
Eye Damage/Irritation: Causes severe irritation and possible irreversible eye injury
Respiratory Effects: May cause coughing, shortness of breath, throat irritation on inhalation of dust
Chronic Effects: No data available on chronic toxicity; repeated exposures to decomposition products such as HF may affect respiratory and bone systems
Carcinogenicity: Not classified as carcinogenic based on available data
Mutagenicity: No mutagenic effects reported by relevant chemical agencies
Reproductive Toxicity: No specific data available
Aquatic Toxicity: Product may be harmful to aquatic organisms, due to hexafluorophosphate content
Persistence and Degradability: Not readily biodegradable, remains stable in the environment
Bioaccumulation Potential: Expected to have low bioaccumulation potential
Mobility in Soil: May leach to groundwater in presence of water, careful containment required
Other Adverse Effects: No significant data on ozone, photochemical, or global warming effects
Waste Treatment Methods: Dispose of as hazardous chemical waste under local, state, federal guidelines
Packaging Disposal: Triple rinse empty containers, puncture after cleaning, dispose of in accordance with regulations
Special Instructions: Do not discharge to surface water or municipal sewage, consult qualified waste disposal contractor
Contaminated Materials: Dispose of contaminated gloves and clothing as chemical waste
UN Number: 3261 (Corrosive solid, acidic, organic, n.o.s.; recommended classification check prior to shipping)
Proper Shipping Name: Chemical, n.o.s., containing imidazolium salt
Transport Hazard Class: 8 (corrosive)
Packing Group: III
Label Required: Corrosive
Environmental Hazards: Marine pollutant (yes, if packing group I or II applies; confirm before shipment)
Special Precautions for Transport: Keep in sealed, corrosion-resistant containers; prevent movement or damage in transit; emergency response guide available; personnel should use gloves and goggles when repacking or reshipping
OSHA Status: Considered hazardous based on chemical classification
SARA Title III: Subject to reporting as hazardous substance
TSCA Inventory: Listed or compliance required as new substance
Right-To-Know Listings (US): Ingredients included in state inventories of hazardous substances
European Regulations: REACH registration may be pending or required; consult with EU chemicals agency
WHMIS Classification: D2B – Toxic material causing other toxic effects (Canada)
Other Information: Observe all local, national, and international regulations concerning use, disposal, and handling
