Product Name: 1-Hydroxyethyl-3-Methylimidazolium Dicyanamide
Chemical Formula: C7H11N5O
CAS Number: 934682-99-8
Other Names: [HMIM][DCA], 1-(2-Hydroxyethyl)-3-methylimidazolium dicyanamide
Recommended Use: Solvent, research chemical, ionic liquid
Manufacturer Details: Supplier name and contact information as printed on packaging
Emergency Contact Number: Local Poison Control Center or national hotline
GHS Classification: Acute Toxicity (Oral, Dermal, Inhalation), Eye Irritation, Skin Irritation
Hazard Statements: Toxic if swallowed, harmful in contact with skin or inhaled, causes serious eye and skin irritation
Pictogram: Exclamation mark, Health hazard
Precautionary Statements: Avoid breathing dust, fumes, gas, mist, vapors, spray; wash hands thoroughly after handling; use only outdoors or in a well-ventilated area; wear protective gloves and eye protection
Signal Word: Danger
Physical Risks: Not classified as flammable, but thermal decomposition can release hazardous gases
Chemical Name: 1-Hydroxyethyl-3-Methylimidazolium Dicyanamide
Synonyms: [HMIM][DCA]
Concentration: 100%
Impurities: Trace water, minor organic side products less than 1%
Relevant Impurities Contributing to Hazard: None significant at typical purities used in research and industry
Inhalation: Move affected individual to fresh air; keep at rest in a position comfortable for breathing. If breathing becomes difficult or stops, seek immediate medical attention.
Skin Contact: Remove contaminated clothing and rinse skin with plenty of water for at least 15 minutes; seek medical advice for persistent irritation or if symptoms worsen.
Eye Contact: Rinse cautiously with water for several minutes, removing contact lenses if possible; seek medical care if eye irritation persists.
Ingestion: Do not induce vomiting; rinse mouth thoroughly with water and seek immediate medical attention.
Additional Advice: Show this safety data sheet to the medical provider; keep the patient calm and under observation.
Suitable Extinguishing Media: Dry chemical powder, carbon dioxide, foam, water spray (for large fires)
Unsuitable Media: None known in typical laboratory settings
Hazards from Combustion: Emits toxic fumes of nitrogen oxides, hydrogen cyanide, and carbon monoxide under fire conditions
Special Protective Equipment: Firefighters need to use self-contained breathing apparatus and chemical protective clothing
Firefighting Instructions: Use water spray to cool containers exposed to flames; avoid letting run-off from firefighting enter sewers or waterways
Personal Precautions: Evacuate non-essential personnel, ventilate area, use appropriate personal protective equipment including chemical splash goggles, gloves, and laboratory coat
Environmental Precautions: Prevent further leakage or spillage if safe; avoid discharge to drains and surface water
Methods for Clean-Up: Absorb spills with inert materials like vermiculite or sand, place in a suitable chemical waste container, seal and remove for disposal
Decontamination: Thoroughly wash affected area with water and mild detergent after mechanical clean-up
Precautions: Handle only in a chemical fume hood or well-ventilated area with proper personal protective equipment; avoid direct contact with skin and eyes
Safe Handling Advice: Keep container tightly closed; never handle near sources of ignition or food and drink
Storage Conditions: Store in a cool, dry, well-ventilated place away from sunlight and incompatible materials such as strong oxidizers and acids
Packaging Materials: Use only containers and closures resistant to ionic liquids; label all storage containers clearly
Exposure Limits: No specific occupational exposure limits established by OSHA, ACGIH, or EU
Engineering Controls: Use fume hood or equivalent ventilation system
Personal Protective Equipment: Chemical-resistant gloves (nitrile recommended), lab coat, safety goggles or face shield
Hygiene Measures: Wash hands, forearms, and face thoroughly after handling; avoid eating, drinking, and smoking in work area
Respiratory Protection: Use certified air-purifying respirators if vapor, dust, or aerosol formation risk exists
Environmental Controls: Monitor work areas regularly for leaks and ensure safe disposal of contaminated absorbents
Appearance: Clear to pale yellow liquid
Odor: Mild characteristic or faint amine-like scent
Odor Threshold: Not available
pH (as supplied): 6-8 (aqueous solution)
Melting Point/Freezing Point: Approx. -5 to 10°C
Boiling Point: Decomposes above 250°C
Flash Point: >100°C (closed cup)
Evaporation Rate: Not volatile at room temperature
Flammability: Not considered highly flammable
Upper/Lower Flammability Limits: Not determined
Vapor Pressure: Low at ambient temperature
Vapor Density: Not available
Relative Density: 1.08–1.12 (water = 1)
Solubility: Soluble in water, polar solvents
Partition Coefficient (n-octanol/water): Not available
Auto-ignition Temperature: >300°C
Decomposition Temperature: >230°C
Viscosity: Viscous liquid at 20°C
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: Does not polymerize spontaneously; possible slow hydrolysis with strong acids
Hazardous Reactions: Vigorous reactions with strong oxidizing agents, acids may generate toxic fumes
Hazardous Decomposition Products: Nitrogen oxides, hydrogen cyanide, carbon oxides
Incompatible Materials: Strong acids, strong bases, oxidizers, reducing agents
Conditions to Avoid: Excessive heat, sparks, open flames, direct sunlight, moisture ingress
Route of Exposure: Inhalation, ingestion, dermal and eye contact
Acute Toxicity Data: Oral LD50 (rat) >200 mg/kg (estimated); exact data limited, treat as potentially toxic
Irritation: Causes skin and serious eye irritation; respiratory tract irritation possible
Sensitization: No data confirming sensitization with normal laboratory exposure
Chronic Effects: Prolonged exposure may cause organ damage, but long-term studies lacking
Carcinogenicity: No components listed by IARC, NTP, OSHA as carcinogen
Mutagenicity: Not classified, insufficient study evidence
Reproductive Toxicity: No studies available; handle with caution to minimize all exposures
Ecotoxicity: Harmful to aquatic organisms based on ionic liquid category, but specific toxicological studies on this compound are limited
Persistence and Degradability: Biodegradation data limited; ionic liquids can persist in the environment
Bioaccumulative Potential: Expected low based on high water solubility and chemical structure
Mobility in Soil: Mobile in aqueous environments due to water solubility
Other Adverse Effects: Avoid uncontrolled release into the environment, as long-term impacts on microorganisms and aquatic life are not fully understood
Waste Disposal Methods: Dispose of by incineration in accordance with local, regional, national, and international regulations; do not dispose via drains
Container Disposal: Triple rinse, puncture, and send to chemical waste management
Contaminated Packaging: Handle as hazardous waste, follow local guidelines
Special Precautions: Notify qualified waste disposal contractor; keep disposal records as required by law
UN Number: Not regulated for transport by road (ADR/RID), air (IATA), or sea (IMDG), but treat as hazardous chemical for best practice
Proper Shipping Name: 1-Hydroxyethyl-3-Methylimidazolium Dicyanamide or laboratory chemical
Transport Hazard Class: Not assigned
Packing Group: Not assigned
Special Transport Precautions: Keep containers upright, avoid conflicting storage with incompatible goods, ensure clear labeling
SARA Title III: Not listed as an extremely hazardous substance
TSCA Inventory: May be subject to reporting; check supplier documentation
REACH Status: Pre-registered or exempt for research use under certain tonnages
WHMIS Classification: Regulated as a laboratory chemical in Canada; employer responsibility for hazard communication
Other International Regulations: Comply with specific country requirements and safety standards for storage, use, and transportation; always consult local authority updates for chemical classifications
