Product Name: 1-Dodecyl-3-methylimidazolium bromide
Synonyms: C12mimBr, Dodecylmethylimidazolium bromide
Chemical Formula: C16H31BrN2
CAS Number: 85100-77-2
Recommended Uses: Surfactant, ionic liquid, phase transfer catalyst in research
Supplier: Laboratory chemical supplier details printed on container
Emergency Phone: Local poison control center, hospital emergency department, or national chemical safety hotline
Hazard Classification: Acute toxicity (oral, inhalation, dermal), skin and eye irritation, environmental hazard (aquatic chronic)
GHS Symbol: Exclamation mark, environment
Signal Word: Warning
Hazard Statements: Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. Toxic to aquatic life with long lasting effects.
Precautionary Statements: Do not eat, drink, or smoke when using. Avoid release to environment. Wear protective gloves, clothing, and eye protection. Wash hands thoroughly after handling.
Chemical Name: 1-Dodecyl-3-methylimidazolium bromide
Concentration: >98%
CAS Number: 85100-77-2
Relevant Impurities: None known at levels relevant to anticipated use
Molecular Weight: 347.34 g/mol
Inhalation: Move person to fresh air, keep at rest, monitor breathing, seek medical attention if symptoms appear.
Skin Contact: Remove contaminated clothing, rinse skin with plenty of water and mild soap, seek care if irritation persists.
Eye Contact: Flush with water for at least 15 minutes holding eyelids open, remove contact lenses, get medical help.
Ingestion: Rinse mouth, do not induce vomiting, seek immediate advice from poison center or doctor.
Most Important Symptoms: Eye and skin irritation, gastrointestinal discomfort, headache.
Advice for Physicians: Treat symptomatically, monitor for allergic reactions or signs of systemic toxicity.
Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam.
Hazards on Burning: May release toxic fumes including nitrogen oxides, hydrogen bromide, and carbon oxides.
Protective Equipment for Fire-Fighters: Self-contained breathing apparatus (SCBA), full protective clothing.
Additional Information: Keep containers cool by spraying with water. Prevent runoff from fire fighting from entering drains or watercourses.
Personal Precautions: Wear gloves, goggles, respiratory protection. Remove all ignition sources. Ensure good ventilation.
Environmental Precautions: Prevent product from reaching drains, watercourses, or soil due to aquatic toxicity.
Cleanup Methods: Cover spills with inert absorbent (sand, earth), collect for disposal in well-sealed containers, clean area thoroughly.
Notification: Notify authorities in case of large spill or escape into water supply.
Handling: Avoid inhalation, contact with skin and eyes. Use only in properly ventilated areas. Do not eat or drink during handling.
Storage: Store in a tightly closed container in a cool, dry, well-ventilated area, away from incompatible materials and direct sunlight.
Incompatibilities: Strong oxidizing agents, acids, bases.
Hygiene Measures: Wash hands and exposed skin thoroughly before meals and after work.
Engineering Controls: Laboratory fume hood or local exhaust ventilation, eye wash facilities accessible.
Occupational Exposure Limits: No established limits for this compound, use general dust/mist recommendations for similar materials.
Personal Protective Equipment: Safety goggles, chemical resistant gloves (e.g., nitrile), lab coat, suitable protective footwear.
Respiratory Protection: For dust or aerosol generation, use a particulate respirator.
Environmental Exposure Controls: Avoid release to external environment, secure all drains.
Appearance: White to off-white crystalline solid
Odor: Mild, characteristic
Odor Threshold: Not available
pH (aqueous solution): 6-8 at 1% solution
Melting Point: 80–85 °C
Boiling Point: Decomposes before boiling
Flash Point: No data available
Evaporation Rate: Not applicable for solid
Flammability: Not considered flammable
Vapor Pressure: Negligible at room temperature
Solubility: Soluble in water, alcohols, some organic solvents
Partition Coefficient (log Kow): Not available
Decomposition Temperature: >200 °C
Viscosity: Not applicable for solid
Relative Density: 1.1–1.2 g/cm³ (estimated)
Chemical Stability: Stable under recommended storage conditions
Reactivity: Not known to be reactive under normal laboratory handling
Conditions to Avoid: Excess heat, direct sunlight, moisture
Incompatible Materials: Strong oxidizers, acids, bases
Hazardous Decomposition Products: Emits toxic fumes such as hydrogen bromide, carbon monoxide, carbon dioxide, nitrogen oxides under fire or thermal decomposition
Polymerization: No hazardous polymerization expected
Acute Toxicity: Oral LD50 (rat) >200 mg/kg (estimated based on related imidazolium salts); may cause gastrointestinal irritation
Skin Corrosion/Irritation: Can cause irritation, redness upon contact
Serious Eye Damage/Irritation: Causes burning, redness, tearing
Respiratory Sensitization: Dust or aerosols may irritate respiratory tract
Skin Sensitization: Not classified as a sensitizer, limited data
Carcinogenicity: No data indicating carcinogenic effects
Reproductive Toxicity: No specific data available for the compound
Other Effects: May cause gastrointestinal distress if ingested, potential for headache or nausea from inhalation; repeated exposure data lacking
Aquatic Toxicity: High toxicity to aquatic organisms (data for similar imidazolium compounds: EC50 <1 mg/L in daphnia, acute fish toxicity possible)
Persistence and Degradability: Not rapidly biodegradable, potential for environmental persistence
Bioaccumulative Potential: Moderate, based on structure and solubility characteristics
Mobility in Soil: Water soluble, may move in soil and enter water systems easily
Other Adverse Effects: May harm aquatic environments through build-up, disrupt microbial processes
Disposal Methods: Collect and place in clearly labeled chemical waste container, do not pour to drain, incinerate in approved facility
Contaminated Packaging: Rinse thoroughly, treat as chemical waste, dispose of according to national or regional regulations
Environmental Precautions: Prevent entry into sewers, waterways; inform authorities in case of large scale contamination
Additional Notes: Comply with all local, regional, and national regulations governing hazardous chemical disposal
UN Number: Not regulated for small quantities, potential marine pollutant
Proper Shipping Name: Environmentally hazardous substance, solid, n.o.s. (contains 1-dodecyl-3-methylimidazolium bromide)
Transport Hazard Class: Class 9 (for large shipments)
Packing Group: III for bulk quantities
Environmental Hazards: Marine pollutant, take care to avoid release during transport
Special Precautions: Secure containers, separate from foodstuffs, avoid breakage or spillage; consult national transport guidelines for hazardous materials.
OSHA Status: Not listed as hazardous chemical under US OSHA but safety practices apply
SARA Title III: Not subject to reporting requirements under Sections 302, 304, 313
TSCA Inventory: Not listed in the US TSCA inventory; laboratory use only
ECHA REACH Status: Not registered for commercial use in the EU; research restrictions
Other Global Inventories: National regulations vary, consult local chemical safety codes
Label Elements: GHS label elements mandatory in most lab and industrial settings; training in handling and emergency response recommended.
