Product Name: 1-Pentyl-3-Methylimidazolium Chloride
Synonyms: PMIM Cl, 1-Pentyl-3-Methylimidazolium Chloride Ionic Liquid
Chemical Formula: C9H17ClN2
CAS Number: 657453-16-8
Recommended Use: Research and development in chemical synthesis, ionic liquid media
Supplier Name: Refer to company-specific information
Contact Information: Emergency telephone number available through supplier
Restrictions on Use: Not for food, drug, or household use
Classification according to OSHA HCS (2012): Eye irritation, Skin irritation, Acute toxicity oral, Aquatic hazard
Signal Word: Warning
Hazard Statements: Causes skin and eye irritation; Harmful if swallowed; May be hazardous to the aquatic environment
Pictograms: Exclamation mark, Environment
Precautionary Statements: Avoid breathing dust/fume; Wash hands thoroughly; Wear protective gloves/eye protection; Avoid release to the environment; If on skin: Wash with plenty of soap and water; If in eyes: Rinse cautiously with water
Emergency Overview: White to pale yellow crystalline solid with no significant odor; Avoid inhalation and direct contact
Target Organs: Skin, Eyes, Gastrointestinal tract
Chemical Name: 1-Pentyl-3-Methylimidazolium Chloride
CAS Number: 657453-16-8
Concentration: 98-100%
Impurities and Stabilizing Additives: None identified in typical manufacturing batches above 1%
Other Identifiers: No additional common names reported
General Advice: Seek immediate medical attention for persistent symptoms
Eye Contact: Immediately flush with water for at least 15 minutes; Remove lenses if applicable; Do not rub eyes
Skin Contact: Remove contaminated clothing; Wash exposed skin with water and soap; Seek medical help if irritation or rash appears
Ingestion: Rinse mouth with water; Do not induce vomiting unless directed by medical personnel; Obtain medical assistance promptly
Inhalation: Move person to fresh air; Maintain breathing; Seek medical advice for coughing, sneezing, or shortness of breath
Most Important Symptoms: Eye and skin redness, irritation, possible gastrointestinal discomfort
Advice to Physicians: Treat symptomatically; no known antidote
Suitable Extinguishing Media: Use water spray, carbon dioxide, dry chemical powder, or foam
Unsuitable Extinguishing Media: Do not use a direct water stream on burning material
Specific Hazards: May emit hydrogen chloride or nitrogen oxides during combustion; Thermal decomposition produces irritating gases
Protective Equipment for Firefighters: Wear self-contained breathing apparatus and full protective gear
Special Firefighting Procedures: Use water spray to cool containers; Remove material from fire area if safe; Prevent runoff to drains
Explosion Data: Product is not explosive under standard handling conditions
Personal Precautions: Evacuate unprotected personnel; Avoid breathing dust; Use personal protective equipment
Environmental Precautions: Prevent entry into soil, waterways, drains; Contain the spill as much as possible
Cleanup Methods: Collect spilt material with inert absorbent (such as sand or vermiculite); Place in sealed container for disposal
Decontamination Procedures: Wash area with plenty of water; Ventilate space thoroughly before reentry
Reporting Requirements: Notify authorities in accordance with local regulations
Safe Handling: Avoid direct contact with product; Wash hands after handling; Keep containers closed
Technical Measures: Use local exhaust or general room ventilation to minimize exposure
Conditions for Storage: Store away from direct sunlight; Keep in a cool, dry, well-ventilated area
Incompatible Materials: Strong oxidizers, water-reactive substances
Specific End Use Considerations: Only use as supplied and recommended by manufacturer
Engineering Controls: Provide adequate general and local exhaust ventilation
Eye Protection: Chemical safety goggles, face shield if splashing risk present
Skin Protection: Protective gloves (nitrile or neoprene recommended), lab coat, closed footwear
Respiratory Protection: Dust mask or respirator where dust is generated
Hygiene Measures: Do not eat, drink, or smoke while working with this chemical; Clean work surfaces with soap and water after use
Exposure Limits: No specific occupational exposure limits established for product
Appearance: White to pale yellow crystalline solid
Odor: Odorless or slight
Odor Threshold: Not determined
pH: 5-7 (aqueous solution)
Melting Point: 65-75°C
Boiling Point: Not determined (likely decomposes before boiling)
Flash Point: Not available; expected to be high due to ionic nature
Evaporation Rate: Negligible
Flammability: Not flammable under normal conditions
Vapor Pressure: Not measurable at room temperature
Vapor Density: Not determined
Relative Density: 1.05–1.15 g/cm³ at 25°C
Solubility: Soluble in water; miscible with alcohols
Partition Coefficient n-octanol/water: Not available
Auto-Ignition Temperature: Not determined
Decomposition Temperature: 220–260°C
Viscosity: Not established
Chemical Stability: Chemically stable at ambient temperatures and under recommended storage conditions
Conditions to Avoid: High humidity, open flame, excessive heat
Incompatible Materials: Strong oxidizing agents, acids, alkalis
Hazardous Decomposition Products: Hydrogen chloride, carbon oxides, nitrogen oxides
Hazardous Polymerization: Not known to occur
Reactivity: No hazardous reaction expected under normal conditions
Likely Routes of Exposure: Skin, eye contact, ingestion, inhalation
Acute Toxicity: Harmful if swallowed; estimated oral LD50 >300 mg/kg (rat)
Symptoms: Eye redness, watery eyes, skin irritation, nausea, sore throat if inhaled
Chronic Effects: Potential for dermatitis after prolonged exposure; no evidence for sensitization
Mutagenicity/Carcinogenicity: No data on mutagenic or carcinogenic effects for this substance
Reproductive Toxicity: Not expected in low-level exposures; animal data lacking
Other Data: Not classified by IARC, NTP, OSHA
Ecotoxicity: May be toxic to aquatic organisms; avoid discharge to waterways
Aquatic Toxicity: Measured EC50 (Daphnia, 48 hr): 5–40 mg/L
Persistence and Degradability: Not readily biodegradable; ionic liquids can persist in the environment
Bioaccumulation: Low potential, based on water solubility and structure
Soil Mobility: Expected to have moderate mobility in soil
Other Adverse Effects: No significant ozone depletion, photochemical smog, or global warming risk identified
Waste Treatment Methods: Dispose of through licensed chemical waste contractor
Product Disposal: Do not dispose of with municipal waste or in the environment; collect for chemical incineration
Contaminated Packaging: Triple rinse and dispose as hazardous chemical packaging
Disposal Regulations: Follow all local, regional, national, and international regulations
UN Number: Not classified as a dangerous good under UN regulations
UN Proper Shipping Name: Chemicals, n.o.s.
Transport Hazard Class: Not regulated
Packing Group: Not applicable
Environmental Hazards: Not a marine pollutant, but caution advised
Special Precautions for User: Prevent contact with skin and eyes during transport
Transport in Bulk: Consult local regulations; product typically not shipped in bulk
OSHA Status: Hazardous under OSHA Hazard Communication Standard
TSCA Status: Not listed on TSCA inventory; for research and development use only
SARA Title III: Not listed under any section
California Prop 65: Not listed as a carcinogen or reproductive toxin
REACH Registration: Contact European supplier for registration status
Other International Inventory Listings: Not listed on DSL (Canada) or AICS (Australia)
Notification Requirements: Comply with chemical notification and reporting guidelines
