Product Name: 1-Ethyl-3-Methylimidazolium Dicyanamide
Synonyms: EMIM DCA, EMIM Dicyanamide
CAS Number: 25822-43-9
Recommended Use: Used as an ionic liquid in chemical synthesis, electrochemistry, and industrial processing
Supplier: Refer to manufacturer’s information for supplier details and emergency contact information
Emergency Phone Number: Check the supplier’s MSDS for emergency contact details specific to region
GHS Classification: Acute toxicity (oral, dermal, inhalation), skin and eye irritant
Label Elements: Signal word: Warning; Hazard pictograms: Exclamation mark
Hazard Statements: Causes skin irritation, causes serious eye irritation, may cause respiratory irritation, harmful if swallowed
Precautionary Statements: Wash hands thoroughly after handling, wear protective gloves and eye protection, avoid breathing dust or vapor, use only in well-ventilated areas, do not eat, drink, or smoke while using
Other Hazards: No evidence of carcinogenicity or mutagenicity in supplied data, environmental persistence possible
Chemical Name: 1-Ethyl-3-Methylimidazolium Dicyanamide
Common Name: EMIM DCA
CAS Number: 25822-43-9
Concentration: 98–100%
Impurities: Residual solvents & trace moisture possible, manufacturer-dependent
Inhalation: Remove to fresh air, keep comfortable for breathing, seek medical advice if symptoms develop such as coughing or respiratory discomfort
Skin Contact: Wash affected area thoroughly with soap and water, remove contaminated clothing and wash before reuse, seek medical attention if irritation or redness persists
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, consult a physician for persistent pain, redness, or visual disturbance
Ingestion: Rinse mouth, do not induce vomiting, seek medical attention if feeling unwell, never give anything by mouth to an unconscious person
Main Symptoms: May include redness or blistering of skin, irritation of eyes, nausea, or headache
Suitable Extinguishing Media: Use water spray, dry chemical, carbon dioxide, foam
Unsuitable Extinguishing Media: High pressure water jets can spread contamination
Specific Hazards: During combustion, toxic fumes including hydrogen cyanide, carbon oxides, and nitrogen oxides may form
Protective Equipment: Firefighters should wear self-contained breathing apparatus and protective clothing to limit skin and respiratory exposure
Advice for Firefighters: Move containers from fire area if safe, prevent contaminated runoff from entering drains or watercourses
Personal Precautions: Evacuate non-essential personnel, ventilate area, avoid breathing fumes, wear chemical-resistant gloves, safety glasses, and respirator when appropriate
Environmental Precautions: Prevent further leakage or spillage if safe, avoid contamination of soil, surface, or ground water
Cleanup Methods: Absorb spill with inert material such as dry sand or earth, collect and place in properly labeled containers for disposal, clean contaminated floors and objects with plenty of water, avoid washing into sewer
Reference to Other Sections: See section on Personal Protection for recommended PPE, and see Disposal Considerations for waste handling
Safe Handling: Use in well-ventilated areas, minimize generation of vapors, wear recommended personal protective equipment (PPE), avoid splashing or direct contact
Storage Conditions: Store tightly closed in original container, in a cool, dry, and well-ventilated location away from heat sources or direct sunlight
Incompatible Materials: Strong acids, strong bases, strong oxidizing agents, and moisture
Storage Class: Chemical products, not food or feed
Specific Use(s): Refer to application guidelines relevant to laboratory, industrial, or research settings
Exposure Limits: No established occupational exposure limit for this compound; use safe handling practices and monitor for symptoms
Engineering Controls: Operate under chemical fume hood, ensure local exhaust ventilation
Personal Protection: Wear chemical-resistant gloves (nitrile, neoprene), splash-proof goggles, lab coat or apron, use a properly fitted respirator for bulk handling or inadequate ventilation
Environmental Exposure Controls: Prevent product from reaching water systems or soil, keep in closed containers
Hygiene Measures: Wash hands and face after handling, keep work clothing separate, launder contaminated clothing before reuse
Appearance: Clear to pale yellow liquid
Odor: Minimal or faint, characteristic
pH: Not applicable (generally neutral in solution)
Melting Point/Freezing Point: -21°C to -28°C
Boiling Point/Range: Decomposes before boiling, above 200°C
Flash Point: >180°C (closed cup), low volatility
Vapor Pressure: Negligible at ambient temperatures
Solubility: Miscible with water, alcohols, acetone
Density: 1.05–1.10 g/cm³ at 20°C
Viscosity: Variable, typically 35–60 mPa·s at 25°C
Partition Coefficient: Not determined
Other Properties: Not explosive, non-flammable under normal conditions
Reactivity: Will not undergo dangerous polymerization
Chemical Stability: Stable under recommended conditions, avoid contact with moisture and oxidizers
Conditions to Avoid: High temperature, exposure to light, contact with strong oxidants or acids
Incompatible Materials: Strong acids, bases, oxidizing agents, hydrolyzes slowly in presence of water forming toxic byproducts
Hazardous Decomposition Products: Hydrogen cyanide, carbon oxides, nitrogen oxides under fire or decomposition
Acute Toxicity: Low to moderate, estimated oral LD50 in rats >2000 mg/kg
Skin Corrosion/Irritation: Causes irritation on prolonged or repeated contact, potential for sensitization
Eye Damage/Irritation: Causes serious eye irritation, redness, and tearing
Respiratory Effects: May cause respiratory tract irritation, coughing, and shortness of breath
Chronic Effects: No evidence of mutagenicity or carcinogenicity based on available data
Additional Information: Prolonged exposure may damage skin, eyes, or organs in high concentrations
Ecotoxicity: Toxic to aquatic organisms, may cause long-term adverse effects in aquatic environments
Persistence and Degradability: Biodegradation limited, persists in environment, ionic liquids tend to accumulate
Bioaccumulative Potential: Not expected to bioaccumulate significantly
Mobility in Soil: High mobility in water, risk of groundwater contamination
Other Adverse Effects: Avoid release to natural surface waters, specific environmental damage data limited
Waste Treatment Methods: Dispose through licensed chemical waste contractor in accordance with local, regional, and national regulations
Product Disposal: Do not discharge to drains or environment, incinerate under controlled conditions
Contaminated Packaging: Triple rinse and dispose according to applicable laws, reuse prohibited without proper cleaning
Special Precautions: Avoid dispersal of spilled material, do not allow contact with foodstuffs or feed
UN Number: Not regulated for ground, air, or sea transport under current IMDG, IATA, or ADR guidelines
Transport Hazard Class(es): Not classified as dangerous for transport
Packing Group: Not applicable
Special Precautions: Keep container tightly sealed, transport upright and secured, segregate from incompatible substances
Environmental Hazards: Avoid accidental release into environment, assess spill and containment during transit
Regulatory Status: Not listed on major hazardous chemical databases under current laws in most jurisdictions
Safety, Health and Environmental Regulations: Subject to local, national, and international regulations governing workplace chemical safety, OSHA Hazard Communication, REACH, and GHS
Chemical Inventory Status: Check country-specific chemical inventories (e.g., TSCA, EINECS, DSL) for up-to-date status
Other Regulatory Considerations: Not classified as a carcinogen, mutagen, or reproductive toxin under current evidence, workplace exposure monitoring may be required
