Product Name: 1-Propyl-3-Methylimidazolium Hydrogensulfate
Chemical Formula: C7H15N2O4S
Other Names: [PMIM][HSO4]
Recommended Use: Solvent, ionic liquid, lab chemical, industrial applications
Supplier Information: Name, address, and emergency phone number of manufacturer or supplier should be readily available on the product label or from the Safety Office
CAS Number: 63416-29-9
UN Number: Not classified
Emergency Contact: Site-specific number or national poison control
GHS Classification: Skin irritation (Category 2), Eye irritation (Category 2A), Specific target organ toxicity - single exposure (Category 3)
Hazard Pictogram: Exclamation mark
Signal Word: Warning
Hazard Statements: Causes skin irritation, causes serious eye irritation, may cause respiratory irritation
Precautionary Statements: Avoid breathing dust, fumes, vapors or spray; wash skin thoroughly after handling; use only outdoors or in a well-ventilated area; wear protective gloves, clothing, and eye/face protection
Health Hazards: Exposure can lead to irritation of skin, eyes, and respiratory system, along with possible headache or dizziness
Chemical Name: 1-Propyl-3-Methylimidazolium Hydrogensulfate
Component: 1-Propyl-3-Methylimidazolium ion
Component: Hydrogensulfate ion
Purity: Greater than 95%
Impurities: Minor, trace ionic species or water from manufacturing
Formula Weight: 210.27 g/mol
Inhalation: Move affected person to fresh air; keep comfortable for breathing; seek medical attention if symptoms persist
Skin Contact: Remove contaminated clothing; rinse skin immediately with plenty of water; seek medical help for persistent irritation
Eye Contact: Rinse eyes gently with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing and get medical advice if irritation occurs
Ingestion: Rinse mouth; do not induce vomiting; seek medical attention
Most Important Symptoms: Burning sensation, redness, swelling, pain
Note for Physician: Treat symptomatically, no specific antidote known
Suitable Extinguishing Media: Dry powder, foam, carbon dioxide, water spray
Specific Hazards: Thermal decomposition can release irritating and toxic gases including oxides of nitrogen, sulfur oxides, and hydrogen sulfide
Protective Equipment: Firefighters should use self-contained breathing apparatus and full protective gear
Advice: Move containers away from fire area if safe; cool fire-exposed containers with water spray
Combustion Products: Irritant, corrosive fumes may form
Personal Precautions: Avoid breathing vapors or mist; ventilate area; use personal protective equipment including gloves and eyewear
Environmental Precautions: Prevent spillage from entering drains, surface water, or soil
Containment: Collect spilled liquid with absorbent material (sand, inert absorbent), transfer to a closed container
Clean Up Methods: Wash contaminated area with water and detergent, dispose of according to local regulations
Precautions for Safe Handling: Use only in well-ventilated spaces; avoid any skin or eye contact; avoid inhaling dust or vapors
Hygiene Measures: Wash hands thoroughly after handling
Conditions for Safe Storage: Store in original, tightly closed container; keep in a cool, dry, well-ventilated place away from incompatible substances such as strong oxidizers; protect from moisture and sunlight
Storage Class: Chemical storage, non-combustible liquid
Engineering Controls: Use fume hood or local exhaust ventilation
Eye/Face Protection: Safety goggles or face shield
Skin Protection: Chemical-resistant gloves (e.g., nitrile, neoprene), protective clothing
Respiratory Protection: If exposure limits are surpassed, wear suitable approved respirator
Exposure Limits: No established occupational exposure limits, practice good laboratory hygiene
Environmental Exposure: Prevent further leakage or spillage if safe; avoid release to environment
Appearance: Colorless to pale yellow liquid
Odor: Faint, slightly sulfurous
pH: Acidic (typically 1.5 – 2.5 in water)
Melting Point: Below 25°C
Boiling Point: Decomposes before boiling
Flash Point: Greater than 180°C
Solubility: Miscible with water
Density: 1.3 – 1.5 g/cm³ at 20°C
Viscosity: Higher viscosity compared to water
Vapor Pressure: Negligible at room temperature
Chemical Stability: Stable under normal conditions; sensitive to moisture, strong heat, and strong oxidizers
Hazardous Reactions: May react with strong bases or oxidizers; reacts with water to produce acidic solutions
Decomposition Products: Nitrogen oxides, sulfur oxides, carbon oxides, imidazole compounds
Conditions to Avoid: Prolonged exposure to air, direct sunlight, strong heat
Incompatible Materials: Strong oxidizers, strong bases, water (over time, can hydrolyze)
Likely Routes of Exposure: Skin contact, eye contact, inhalation, ingestion
Acute Toxicity: Causes skin and eye irritation; not acutely toxic by oral, dermal, or inhalation routes based on available animal data
Chronic Effects: Not known to cause cancer, mutations, or reproductive harm
Symptoms: Irritation, allergic reactions in sensitized individuals, dizziness, headache with inhalation
Additional Information: No detailed toxicity data on humans; follow standard lab safety practices
Aquatic Toxicity: Not readily biodegradable; slight to moderate toxicity toward aquatic organisms
Persistence and Degradability: Stable in environment, not rapidly metabolized by microbes
Bioaccumulation Potential: Low potential for significant bioaccumulation
Mobility in Soil: Mobile in water, can migrate in soil if released
Other Adverse Effects: Avoid release to the environment; may cause localized harm to aquatic and plant life
Waste Treatment Methods: Chemical must be disposed of in accordance with federal, state, and local environmental regulations
Disposal of Contaminated Packaging: Empty containers may retain product residue, dispose of as hazardous waste
Special Precautions: Do not pour into sewer, waterway, or soil; consult local hazardous waste agency
RCRA Status: Not listed as hazardous waste but treat all residues as potentially hazardous
UN Number: Not classified or regulated for transport
Proper Shipping Name: Not regulated
Transport Hazard Class: Not classified as hazardous
Packing Group: Not applicable
Transport Precautions: Use sealed containers, protect from moisture and heat, keep away from incompatible items
TSCA: Listed
REACH: Registered or exempted, subject to volume and supplier
SARA Title III: Not subject to reporting requirements
California Proposition 65: Not listed
WHMIS Classification: D2B (toxic material causing other toxic effects)
Other Regulation Notes: Check with regional and local authorities for additional requirements
