Product Name: 1-Ethyl-3-Methylimidazolium Chloride-Aluminum
Synonyms: EMIM-Cl Al Complex, Ionic Liquid Mixture
Recommended Use: Laboratory chemical, electrochemical applications, industrial research
Manufacturer Information: Contact details of supplier/distributor
Emergency Phone Number: Provided by regional chemical emergency services
CAS Number: 65039-12-9 (EMIM-Cl) / 7429-90-5 (Aluminum component)
Product Code: Internal tracking and procurement code for inventory
Relevant Identified Uses: Used in aluminum electroplating, battery electrolytes, catalyst support, and various specialized chemical processes needing stable ionic environments
Prepared By: Qualified industrial chemist from the supplier’s safety data group
Date of Latest Revision: Date reflecting the most recent data or regulatory update
Classification: Irritant to skin and eyes, potential respiratory hazard, harmful if swallowed or inhaled, hazardous for aquatic environments
Label Elements: Signal word: Warning; Pictograms: Exclamation mark, Health hazard
Hazard Statements: Causes moderate skin and eye irritation, may cause sensitization by inhalation, possible gastrointestinal effects if ingested
Precautionary Statements: Avoid contact with skin/eyes, do not breathe dust or fumes, use only with adequate ventilation, keep out of reach of children
Potential Health Effects: Eye: Redness, pain, possible corneal injury; Skin: Redness, discomfort, dryness; Inhalation: Irritation of respiratory tract, coughing; Ingestion: Nausea, abdominal cramping
Target Organs: Skin, eyes, respiratory system
Environmental Hazards: Toxic to aquatic organisms, may cause long-term effects in the aquatic environment
Physical Hazards: Slippery when spilled, can react strongly with water and certain metals under specific conditions
Chemical Name: 1-Ethyl-3-Methylimidazolium Chloride-Aluminum
Common Name: EMIM-Cl Al Complex, Ionic Liquid
Component 1: 1-Ethyl-3-Methylimidazolium Chloride (EMIM-Cl), CAS: 65039-12-9, Concentration: 85-95%
Component 2: Aluminum Chloride (AlCl3), CAS: 7446-70-0, Concentration: 5-15%
Impurities/Additives: Moisture content below 1%, possible traces of imidazolium byproducts
Molecular Formula: C6H11N2Cl + AlCl3 (mixture with varied stoichiometry depending on preparation method)
Other Identifiers: See detailed technical appendix for batch-specific trace analysis
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy, continue rinsing, seek medical attention if irritation persists
Skin Contact: Immediately wash contact area with land temperature water and mild soap, remove contaminated clothing, seek medical advice for persistent inflammation
Inhalation: Move person to fresh air, support breathing, call a physician if symptoms persist, use artificial respiration if breathing has stopped
Ingestion: Rinse mouth, do not induce vomiting, drink water to dilute, seek medical attention immediately
Symptoms to Observe: Burning, stinging, rash, coughing, headache, dizziness, stomach upset
Advice for Medical Personnel: Symptomatic treatment with attention to airway, breathing, circulation, monitor for delayed respiratory effects
Suitable Extinguishing Media: Dry chemical, CO2, alcohol-resistant foam, powder, do not use water directly since material can react exothermically
Unsuitable Extinguishing Media: High-pressure water jets, water spray on contained spills
Fire/Explosion Hazards: Can emit toxic fumes (hydrogen chloride, nitrogen oxides, aluminum oxide) upon decomposition at elevated temperatures
Protective Equipment for Firefighters: Full face respiratory protection, self-contained breathing apparatus, chemical-resistant suit
Advice in the Event of Fire: Isolate area, cool containers with water from a safe distance to prevent pressure build-up, avoid breathing fumes, control run-off
Special Hazards: May react with water, certain metals, organic materials under fire conditions to produce heat and fumes
Personal Precautions: Evacuate unnecessary personnel, ventilate area, wear personal protective equipment including gloves, goggles, suitable respirator
Environmental Precautions: Prevent entry into sewers, drains, surface, and ground water, notify regional environmental authority if spill affects water
Clean Up Methods: Use inert absorbent material (vermiculite, sand), scoop up and place in labeled, sealed containers for hazardous waste disposal
Decontamination: Wash area with plenty of water afterwards, contain contaminated soak water for collection and disposal
Containment: Dike to prevent spreading, collect residues safely, monitor for environmental impact
Other Considerations: Ensure adequate ventilation during clean-up
Safe Handling Practices: Use chemical-resistant gloves, safety goggles, apron; avoid direct contact, minimize dust and vapor formation, wash hands thoroughly after use
Handling Precautions: Work in a well-ventilated chemical fume hood, ensure containers are properly closed when not in use
Storage Recommendations: Store in tightly closed containers under dry, cool conditions, away from moisture, strong acids, bases, oxidizers, and incompatible organic materials
Storage Temperature: Ideal range is 15-25°C to prevent deterioration
Storage Container Materials: Use corrosion-resistant containers, avoid aluminum and galvanized steel
Special Practices: Label all storage containers clearly, keep away from direct sunlight, establish spill containment in the storage area
Other Information: Check regularly for leaks or degraded containers
Occupational Exposure Limits: No established regulated exposure limits for the mixture; follow guidelines for components (EMIM-Cl: no formal limits, AlCl3: ACGIH TLV 2 mg/m3 [as Al])
Engineering Controls: Laboratory fume hood, local exhaust system at handling points, closed handling systems for scale-up operations
Personal Protective Equipment (PPE): Nitrile or neoprene gloves, splash-proof chemical goggles, face shield, lab coat, or chemical-resistant apron
Respiratory Protection: NIOSH-approved respirator with organic vapor and particulate filter if airborne exposure risk exists
Hygiene Measures: Wash thoroughly after handling, avoid eating, drinking, or smoking in work area, remove contaminated clothing immediately
Environmental Monitoring: Routine air quality checks, vigilance for spills and leaks, control of process ventilation to maintain air quality
Appearance: Pale yellow to colorless liquid (may be solid at low temperature depending on composition)
Odor: Slight, characteristic, faintly amine or metallic
Odor Threshold: Not established
pH (10% solution in water): Acidic, typically 1-3
Melting Point/Freezing Point: Approx. 25-30°C (varies by AlCl3 proportion)
Boiling Point/Range: Decomposes before boiling
Flash Point: Greater than 100°C (does not sustain combustion easily)
Evaporation Rate: Low
Flammability (solid/gas): Not classified as flammable
Vapor Pressure: Low at room temperature
Relative Density: 1.1 – 1.2 (at 20°C)
Solubility: Readily mixes with water, alcohols
Partition Coefficient (n-octanol/water): Not established; ionic nature prefers water
Auto-ignition Temperature: Not self-igniting under standard lab conditions
Decomposition Temperature: Over 150°C
Viscosity: 60-125 mPa•s at 25°C
Explosive Properties: Not classified
Oxidizing Properties: No direct oxidizing effects, reacts with strong oxidizers
Chemical Stability: Stable under recommended storage conditions, sensitive to prolong exposure to moisture and air
Reactivity: May hydrolyze in presence of water, generating heat and hydrochloric acid fumes
Conditions to Avoid: Contact with water, high temperatures, or incompatible materials such as strong bases, oxidizers, and reducing agents
Incompatible Materials: Strong bases, acids, oxidizers, some metals (such as sodium, potassium), moisture
Hazardous Decomposition Products: Hydrogen chloride gas, aluminum oxide, imidazole derivatives, nitrogen oxides
Polymerization: Not known to polymerize
Other Hazards: Corrosive to aluminum, mild steel, and zinc under moist or wet conditions
Acute Toxicity: Harmful by ingestion, inhalation; low to moderate toxicity based on similar imidazolium salts (oral LD50 in rats: 400-1700 mg/kg)
Skin Corrosion/Irritation: Causes skin irritation, may produce redness and rash with prolonged or repeated exposure
Serious Eye Damage/Irritation: Causes moderate irritation, possible damage with direct contact
Respiratory Sensitization: Vapors may provoke irritation, coughing, possible allergic respiratory response
Skin Sensitization: May cause allergic skin reactions in sensitive individuals
Carcinogenicity: No data indicating direct carcinogenic effect for EMIM-Cl Al
Germ Cell Mutagenicity: Not classified based on available data
Reproductive Toxicity: Not fully evaluated, exercise caution until more is known
STOT-single exposure: Can affect skin, mucous membranes, respiratory tract acutely through accidental high-concentration exposure
STOT-repeated exposure: Possible dermatitis, respiratory issues with chronic occupational exposure
Aspiration Hazard: Not considered an aspiration risk
Ecotoxicity: Toxic to aquatic life; laboratory data for similar compounds shows EC50 (Daphnia) in low mg/L range
Persistence and Degradability: Not readily biodegradable; ionic liquids persist in soil and water
Bioaccumulative Potential: Low for aluminum ion, moderate for certain imidazolium derivatives, though data are limited
Mobility in Soil: Ionic species disperse in aqueous environments, pose risk to groundwater
Other Adverse Effects: Can interfere with microbial activity, reduction of aquatic oxygen levels possible at high concentrations
Further Information: Caution for chronic aquatic impact, avoid uncontrolled release to environment
Waste Treatment Methods: Solutions, residues, or contaminated absorbents require handling as hazardous waste under regional, national, and local regulations
Disposal Instructions: Place in sealed labeled containers, dispose at licensed chemical waste facility
Do Not: Discharge to drains, sewers, or surface waters
Hazardous Waste Codes: Follow EPA/DOT and applicable region’s specific codes for imidazolium salt/aluminum compounds
Recommended Disposal: Incineration by licensed facility, neutralize residues if permitted
Contaminated Packaging: Handle empty containers as hazardous, triple rinse or use approved disposal contractor
UN Number: UN3077 (Environmentally hazardous substance, solid, n.o.s., if regulated)
Transport Hazard Class: 9 (miscellaneous for hazardous environment impact)
Packing Group: III
Shipping Name: Environmentally hazardous substance, (containing 1-ethyl-3-methylimidazolium chloride, aluminum chloride)
Marine Pollutant: Yes, label accordingly
Environmental Hazards: Marine and aquatic toxicant, avoid spills in transit
Special Precautions for User: Secure containers to prevent leaks, accompany shipment with full MSDS, emergency response guide
DOT, ADR, IMDG, IATA Regulations: Follow as required for international and regional transport guidelines, notify prior to shipment if regulatory changes apply
OSHA Hazard Communication: Classified as hazardous under US OSHA HCS (29 CFR 1910.1200)
TSCA Status: Components listed or have exemptions
REACH Status: Not fully evaluated, some precursors registered
WHMIS Classification: D2B (Toxic/irritant materials – Canada)
SARA 313 (USA): Aluminum compounds subject to reporting
Hazard Category: Acute health, chronic health, environmental hazard
Chemical Safety Assessment: Not yet completed for full mixture; consider both component risks and mixture effects during handling and disposal
Other Regulations: Observe all applicable federal, state, and local environmental and occupational health/safety requirements
Labeling and Packaging: Comply with GHS/CLP, US DOT, and international shipment requirements
