Product Name: 1-Decyl-3-Methylimidazolium Dicyanamide
Chemical Formula: C15H27N5
CAS Number: 934769-85-6
Synonyms: [C10mim][DCA], DCA Ionic Liquid
Recommended Use: Solvent, Electrolytes, Research Chemical
Manufacturer: Supplier details available upon request
Emergency Contact: Refer to local poison control center or chemical safety line
GHS Classification: Acute Toxicity (Oral - Category 4), Skin Corrosion/Irritation (Category 2), Eye Damage/Irritation (Category 2A), Specific Target Organ Toxicity (Repeated Exposure - Category 2)
Label Elements: GHS Label, Warning
Hazard Statements: Harmful if swallowed, causes skin irritation, causes serious eye irritation, may cause damage to liver or kidneys through prolonged or repeated exposure
Precautionary Statements: Avoid breathing dust, wash skin thoroughly after handling, do not eat, drink, or smoke when using, wear protective gloves and eye protection
Symbol: Exclamation Mark, Health Hazard
Signal Word: Warning
Chemical Name: 1-Decyl-3-Methylimidazolium Dicyanamide
Common Name: [C10mim][DCA]
Concentration: ≥95%
Impurities: Trace residual solvents, water (<2%), byproducts from synthesis (information from supplier)
Inhalation: Remove victim to fresh air, keep at rest in a position comfortable for breathing, seek medical attention if symptoms develop or persist
Skin Contact: Flush with plenty of water for at least 15 minutes, remove contaminated clothing, seek medical attention if irritation occurs
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, seek medical attention
Ingestion: Rinse mouth, do not induce vomiting, seek medical attention immediately
Most Important Symptoms: Irritation, redness, nausea, headache, possible organ effects with repeat exposure
Note to Physician: Treat based on symptoms, consider possible liver or kidney damage with chronic exposure
Suitable Extinguishing Media: Dry chemical, CO₂, foam, water spray (do not use direct water jet)
Specific Hazards: Combustion can generate hazardous fumes such as nitrogen oxides, hydrogen cyanide, carbon oxides
Protective Equipment: Wear self-contained breathing apparatus and full protective gear
Special Procedures: Use water spray to cool exposed containers, control run-off to prevent environmental contamination
Personal Precautions: Avoid skin and eye contact, use personal protective equipment, evacuate unnecessary personnel
Environmental Precautions: Prevent entry into sewers, waterways, soil
Methods for Cleaning Up: Absorb with inert materials (sand, vermiculite), place in suitable containers for disposal, clean contaminated surfaces with water and detergent
Safe Handling: Use adequate ventilation, avoid contact with skin, eyes, and clothing, handle away from food and beverages, wash hands thoroughly after handling
Storage Conditions: Store tightly sealed in a cool, dry, well-ventilated place, keep away from direct sunlight, heat, and sources of ignition
Incompatible Materials: Strong oxidizers, acids, bases, cyanide-releasing materials
Occupational Exposure Limits: No established exposure limits; treat as potentially hazardous
Engineering Controls: Use fume hood or local exhaust for significant quantities
Personal Protective Equipment: Protective gloves (nitrile recommended), chemical safety goggles, lab coat, suitable face protection for high-risk scenarios
Respiratory Protection: Use approved respirator if ventilation is inadequate
Hygiene Measures: Do not eat, drink, or smoke during use, wash hands and face after handling, remove contaminated clothing immediately
Appearance: Colorless to pale yellow liquid
Odor: Slight, faint amine-like
Odor Threshold: Not determined
pH: Typically near neutral (6–7) in water
Melting Point: ~ -20°C
Boiling Point: Decomposes before boiling
Flash Point: >150°C (closed cup)
Evaporation Rate: Not available
Flammability: Not highly flammable, but combustible
Upper/Lower Explosion Limit: Not determined
Vapor Pressure: <1 Pa at 25°C
Vapor Density: Not available
Relative Density: 0.99–1.02 g/cm³
Solubility: Miscible with water, alcohols
Partition Coefficient (n-octanol/water): Not available
Auto-Ignition Temperature: Not available
Viscosity: 70–90 mPa·s at 25°C
Chemical Stability: Stable at standard temperatures and pressures
Reactivity: No hazardous reactivity under normal conditions
Possible Hazardous Reactions: Releases toxic gases with acids or strong oxidizers
Conditions to Avoid: Excess heat, flame, incompatible materials
Incompatible Materials: Strong acids, bases, oxidizing agents
Decomposition Products: Nitrogen oxides, hydrogen cyanide, carbon oxides
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: LD50 (oral, rat) estimated 300–2,000 mg/kg
Skin Corrosion/Irritation: Causes skin irritation; animal studies suggest potential mild to moderate reaction
Eye Damage/Irritation: Causes serious eye irritation
Respiratory Sensitisation: Not tested, possible irritation based on structure
Specific Target Organ Toxicity: Evidence for potential liver and kidney effects with repeated exposure
Carcinogenicity: Not classified as carcinogenic
Mutagenicity: Not described in available studies
Reproductive Toxicity: No reliable data
Chronic Effects: Potential damage to internal organs after prolonged exposure
Ecotoxicity: Toxic to aquatic life, data for imidazolium-based ionic liquids typically show EC50 (algae, Daphnia) in low mg/L ranges
Persistence and Degradability: Poorly biodegradable, may persist in water and soil
Bioaccumulative Potential: Low to moderate (based on molecular structure and ionic liquid literature)
Mobility in Soil: High, due to water solubility
Other Harmful Effects: Possible harmful effects on microorganisms, avoid discharge into the environment
Disposal Methods: Dispose of as hazardous waste in accordance with local, state, and national regulations
Contaminated Packaging: Triple rinse and dispose of container as hazardous waste
Precautions: Do not release to the environment, consult waste management authorities for proper treatment
UN Number: Not classified as dangerous for transport under DOT, ADR, IMDG, or IATA
Proper Shipping Name: Chemical, n.o.s. (not otherwise specified)
Hazard Class: Not regulated
Packing Group: Not applicable
Environmental Hazards: Not classified as marine pollutant, but prevent release
Special Precautions for User: Follow good laboratory practice, avoid spillage and leaks, ensure packaging integrity
TSCA Status: Not listed
EINECS/ELINCS: Not listed
REACH Registration: Data available upon request
Other Regulations: Not classified as a hazardous substance or mixture below threshold limits in most regions, avoid handling without review by safety personnel
Labelling Requirements: Follow local chemical safety regulations, GHS-compliant labeling
