Product Name: 1,3-Dibutylimidazolium Bromide
CAS Number: 39916-74-4
Synonyms: [DBIM]Br; 1,3-Dibutyl-1H-imidazol-3-ium bromide
Recommended Use: Laboratory chemical, research use only
Supplier Details: Manufacturer’s address and emergency contact number should be clearly stated on the received packaging; look for local chemical safety lines for 24/7 incidents
Emergency Contact: National Poison Control Center and local emergency services
Hazard Classification: Not classified under GHS for acute toxicity, but eye and skin irritation possible
Signal Word: Caution
Hazard Statements: May cause mild skin or eye discomfort. Harmful if swallowed in large quantities. Inhalation of dust could trigger irritation in sensitive individuals.
Precautionary Statements: Avoid contact with eyes and skin. Keep out of reach of children. Wash hands thoroughly after handling.
Physical Hazards: The compound has no significant explosion or combustion hazard under standard laboratory conditions, but fine dust may present a risk in poorly ventilated spaces.
Health Hazards: Mildly irritating to skin, eyes and respiratory tract. Prolonged exposure routes are rare but not impossible in industrial settings.
Environmental Hazards: No immediate hazard to aquatic or terrestrial environments in small quantities. Spills of large quantities or disposal down the drain can impact wastewater systems.
Chemical Name: 1,3-Dibutylimidazolium Bromide
CAS Number: 39916-74-4
Formula: C11H21BrN2
Molecular Weight: 261.21 g/mol
Impurities/Additives: None intentionally added; trace impurities depend on source and production route
Concentration: 100% unless stated otherwise on packaging
Inhalation: Remove person from exposure area immediately. Breathe fresh air. Monitor for delayed symptoms like coughing or throat irritation. Seek medical attention if irritation persists.
Skin Contact: Remove contaminated clothing. Wash skin thoroughly with soap and water. Use moisturizer if skin remains dry or red. Seek medical advice if rash develops.
Eye Contact: Rinse cautiously with water for at least 15 minutes, lifting eyelids to clear every surface. Remove contact lenses if applicable and easy to remove. Obtain medical attention if pain or redness continue.
Ingestion: Rinse mouth with water. Avoid inducing vomiting unless instructed by healthcare professionals. Small accidental exposure unlikely to cause serious harm, but always check with a doctor.
Advice for Medical Staff: Treat symptomatically. Provide supportive care as needed; no antidote noted in public literature.
Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, foam, water spray. Use media suitable for surrounding fire.
Special Hazards: Product may emit toxic fumes like nitrogen oxides, carbon oxides, hydrogen bromide under combustion. No unusual fire or explosion hazard expected in typical use.
Protective Equipment: Firefighters should wear self-contained breathing apparatus and protective clothing. Standard industrial fire practices apply.
Further Information: Avoid inhaling combustion products. Use water spray to cool containers exposed to fire.
Personal Precautions: Wear suitable gloves, goggles and lab coat. Ventilate area. Remove ignition sources if present.
Environmental Precautions: Prevent entry into waterways, sewers or confined spaces. Large spills to water should be reported to authorities.
Containment and Cleaning: Collect spilled material using inert absorbent (sand, vermiculite) and sweep into waste container. Wash down area with water and detergent as needed. Dispose of clean-up materials per local regulations.
Safe Handling: Use in well-ventilated area. Avoid dust creation. Wear standard lab safety gear—gloves, goggles, long sleeves. Do not eat or drink in working area. Wash hands before breaks and after use.
Storage Conditions: Store in tightly closed containers, cool, dry, well-ventilated location away from strong acids, bases or oxidizers. Label container clearly. Keep away from incompatible materials.
Incompatibilities: Strong oxidizing agents, strong acids may degrade product or react violently.
Control Parameters: No occupational exposure limits established by OSHA, NIOSH or ACGIH for this compound.
Engineering Controls: Use fume hood or localized exhaust in case of dust generation. General room ventilation is usually adequate for small amounts in laboratory use.
Personal Protective Equipment:
Gloves: Nitrile recommended for routine handling.
Eye Protection: Chemical splash goggles or safety glasses.
Respiratory: Not normally required. Use particulate filter respirator under dust-producing conditions.
Skin and Body: Laboratory coat, closed shoes.
Hygiene: Follow good standard practice. Remove contaminated clothing, wash hands thoroughly.
Appearance: White to off-white crystalline solid
Odor: Odorless or faint organic odor (depends on purity)
pH: Not applicable in solid form; aqueous solution pH approximately neutral to slightly acidic
Melting Point: 70-75°C
Boiling Point: Not available
Flash Point: Not flammable under normal laboratory conditions; no recorded value
Solubility: Soluble in water, ethanol, acetone
Density: About 1.3 g/cm³
Vapor Pressure: Negligible at room temperature
Partition Coefficient (log Kow): Not available
Other Properties: Stable under normal conditions, hygroscopic, can absorb moisture from air
Chemical Stability: Stable under recommended storage conditions. Sensitive to moisture.
Reactivity: No strong reactivity hazards under standard use.
Incompatible Materials: Strong oxidizers, acids, and bases. Upstream chemicals may break down structure or cause heat.
Hazardous Decomposition Products: Fires or strong heat may produce nitrogen oxides, carbon oxides, hydrogen bromide.
Hazardous Polymerization: Will not occur under normal lab conditions.
Conditions to Avoid: Excess heat, direct sunlight, contact with incompatible chemicals.
Acute Toxicity: No reliable animal LD50 data published; low acute toxicity suggested.
Skin Corrosion/Irritation: May cause mild irritation on prolonged contact.
Serious Eye Damage/Irritation: Risk of moderate eye irritation on exposure.
Respiratory Sensitization: Dust can irritate airways.
Chronic Effects: No studies suggest carcinogenicity, mutagenicity, or reproductive toxicity. Chronic exposure data limited.
Other Human Experience: No reports of significant acute or long-term health effects in normal laboratory practice.
Symptoms of Overexposure: Eye redness, skin dryness, mild respiratory irritation if powder inhaled.
Aquatic Toxicity: No measured LC50 or EC50 values. Ionic liquids sometimes disrupt aquatic invertebrates or microbial communities in wastewater if released in bulk.
Persistence and Degradability: Not rapidly biodegradable. May persist in water and soil for months.
Bioaccumulative Potential: No studies confirming accumulation in aquatic organisms.
Mobility in Soil: Moves readily in water, especially in sandy sediments.
Other Adverse Effects: No immediate impact at laboratory scale; avoid large spills to drains or natural watercourses.
Waste Treatment: Treat as chemical waste. Collect material in clearly marked containers for hazardous waste collection.
Method: Use a licensed chemical disposal contractor for larger or industrial quantities.
Do Not: Dispose to regular trash or landfill. Do not wash significant amounts down drains. Follow local and national environmental regulations, which usually prohibit direct disposal to water or open ground.
Contaminated Packaging: Rinse containers before recycling or disposal. Dispose of packaging as hazardous waste if major contamination remains.
UN Number: Not regulated as a dangerous good under UN, DOT, IMDG, or IATA transport codes for laboratory scale quantities.
Proper Shipping Name: 1,3-Dibutylimidazolium Bromide
Transport Hazard Class: Not classified
Packing Group: Not applicable
Label Requirements: No transport hazard labels required for small samples; large industrial quantities or mixed chemical shipments may trigger specific carrier rules.
Special Precautions: Prevent spill, avoid extreme temperatures during transit, keep tightly closed. Ship with SDS copy and lab safety instructions.
Global Inventories: Not listed on TSCA (US), DSL (Canada), or major chemical control lists without pre-registration.
Laboratory Use: Use legally only in properly registered and inspected labs. Institutional safe use procedures apply.
GHS Labelling: Not classified in most regulatory frameworks; may trigger hazard labelling if handled in multi-liter amounts or as part of a formulation.
SARA/OSHA/PROP 65: Not listed as a hazardous chemical, not a carcinogen or reproductive toxin by CA Prop 65.
EU CLP: Not classified as dangerous under current European chemical safety rules. Restrictions could change with new studies.
