Chemical Name: 1-Ethyl-2,3-Dimethylimidazolium Bromide
Synonyms: [1-Ethyl-2,3-dimethylimidazolium]bromide, EMI-Br
CAS Number: 472451-37-7
Recommended Use: Laboratory chemicals, experimental research, ionic liquid synthesis
Manufacturer/Supplier: Specialty chemical distributor or supplier details found on ordering documentation
Emergency Contact: Local poison control center or emergency response, company chemical safety officer
GHS Classification: Acute Toxicity-Oral Category 4; Skin Irritant Category 2; Eye Irritant Category 2A
Hazard Statements: Harmful if swallowed; Causes skin irritation; Causes serious eye irritation
Signal Word: Warning
Precautionary Statements: Wear protective gloves and eye protection; Avoid breathing dust; Wash hands thoroughly after handling
Potential Health Effects: Inhalation may irritate respiratory tract, skin absorption leads to irritation and systemic effects, eye contact leads to redness and pain, ingestion may cause nausea, headache, dizziness
Label Elements: Exclamation mark pictogram
Chemical Name: 1-Ethyl-2,3-Dimethylimidazolium Bromide
CAS Number: 472451-37-7
Concentration: 98% or higher
Impurities: Trace residual solvents, water content, no stabilizers listed
Molecular Formula: C7H13BrN2
Molecular Weight: 205.10 g/mol
Inhalation: Remove person to fresh air; help breathing if trouble persists; get medical attention if symptoms develop
Skin Contact: Wash affected area thoroughly using soap and water; remove contaminated clothing and shoes; seek medical help if skin redness or pain continues
Eye Contact: Rinse eyes with water for at least 15 minutes, keep eyelids apart; remove contact lenses if present; contact medical personnel if irritation remains
Ingestion: Rinse mouth; do not induce vomiting; seek immediate medical attention; never give anything by mouth to an unconscious person
Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Specific Hazards: Combustion produces toxic gases like nitrogen oxides, carbon oxides, hydrogen bromide
Protective Equipment: Wear self-contained breathing apparatus, full protective gear
Advice for Firefighters: Stay upwind; prevent firewater run-off from entering drains; evacuate non-essential staff; use water spray to cool nearby containers
Special Procedures: Avoid inhaling fumes; ventilate area after fire
Personal Precautions: Wear chemical-resistant gloves, safety goggles, lab coat; ventilate area
Spill Response: Avoid generating dust; carefully sweep up spilled material and transfer to a suitable waste container
Environmental Precautions: Prevent product from reaching drains, watercourses, or soil
Cleaning Methods: Wash area with water after removal, use absorbent material for residues; dispose according to local regulations
Handling: Use in a well-ventilated space; wear suitable personal protection; avoid contact with skin, eyes, or clothing; do not ingest
Storage: Keep in tightly closed original container; store in a cool, dry, well-ventilated area away from sources of ignition or heat; protect from moisture
Incompatible Materials: Strong oxidizers, moisture-sensitive materials
Hygiene Practices: Wash hands after handling; no eating, drinking, or smoking in storage and handling areas
Engineering Controls: Local exhaust ventilation required for powder or large-scale handling; use chemical fume hood
Personal Protective Equipment: Chemical-resistant gloves (nitrile recommended), tight-fitting chemical safety goggles, lab coat, appropriate respiratory protection for high dust concentrations
Occupational Exposure Limits: No established exposure limits for this specific compound
Environmental Controls: Use procedures that minimize environmental exposure
Appearance: White to off-white crystalline powder
Odor: Very faint, may resemble nitrogenous compounds
Odor Threshold: Not available
pH: No data for solid; may form neutral to slightly acidic solutions
Melting Point/Range: 160–180°C
Boiling Point/Range: Decomposes before boiling
Flash Point: Not available
Evaporation Rate: Not determined
Flammability: Not highly flammable; avoid ignition sources
Vapor Pressure: Negligible
Vapor Density: No data
Solubility: Soluble in water and various organic solvents
Density: Approx. 1.3–1.4 g/cm³
Partition coefficient (n-octanol/water): No data available
Auto-ignition Temperature: No data
Decomposition Temperature: Above 180°C
Viscosity: Not applicable to solid
Chemical Stability: Stable under normal conditions of temperature and pressure
Conditions to Avoid: High temperature, exposure to moisture, ignition sources
Incompatible Materials: Strong oxidizing agents, strong acids and bases
Hazardous Decomposition Products: Nitrogen oxides, carbon oxides, hydrogen bromide on thermal decomposition
Polymerization: Not reported to occur
Acute Toxicity: Data limited, but may cause toxicity after ingestion or inhalation
Skin Corrosion/Irritation: Can irritate and redden skin with persistent contact
Serious Eye Damage/Irritation: Causes pain and redness in eyes, risk of permanent injury from large exposures
Respiratory Sensitization: Not enough data; may cause irritation with repeat inhalation
Carcinogenicity: No classification as carcinogen by NTP, IARC, OSHA
Mutagenicity: No evidence found but limited research exists
Reproductive Toxicity: No data; avoid during pregnancy
Other Information: Symptoms involve headache, dizziness, weakness, nausea; long-term effects not well studied
Ecotoxicity: No complete data; suspected toxic to aquatic invertebrates at high concentrations
Persistence and Degradability: Not readily biodegradable; remains in environment
Bioaccumulative Potential: Low potential expected, but data insufficient
Mobility in Soil: Water soluble and may leach through soil
Other Adverse Effects: Avoid uncontrolled release to environment as ionic liquids have uncertain long-term effects on aquatic life
Waste Treatment Methods: Dispose of via licensed chemical waste contractor; incineration recommended for larger quantities
Disposal Containers: Use UN-approved containers, tightly sealed
Special Precautions: Avoid landfill, discharge to sewer, or release to watercourses
Local Regulations: Follow local, state, and national environmental regulations for hazardous waste handling
UN Number: Not classified as dangerous goods for transport
UN Proper Shipping Name: Not regulated
Transport Hazard Class: Not applicable
Packing Group: Not assigned
Environmental Hazards: Not a marine pollutant, but minimize accidental release
Special Precautions for User: Store secure during transit, keep away from food, drink, and feed
Labeling Requirements: GHS and OSHA-compliant labels
SARA Title III: Not listed as a regulated substance
TSCA: Not listed
REACH Status: Registration required in European Union for commercial volumes
California Proposition 65: No chemicals known to cause cancer or reproductive toxicity in this product
Other Regulations: Subject to workplace chemical safety requirements and hazard communication standards in user’s jurisdiction
