Product Name: 1-Butyl-2,3-Dimethylimidazolium Bromide
Chemical Formula: C9H17BrN2
Color: White or off-white crystalline powder
CAS Number: 68797-57-9
Recommended Use: Laboratory reagent, solvent, ionic liquid research
Supplier Information: Data available from registered chemical distributors
Emergency Contact: Refer to local number or Poison Control Center
Classification: Eye irritation (Category 2A), Skin irritation (Category 2), Acute toxicity (Oral, Category 4)
Route of Exposure: Inhalation, skin contact, ingestion, eye contact
Symptoms: Stinging, redness, itching, abdominal pain, cough, headache
Signal Word: Warning
Hazard Statements: Causes skin and eye irritation; may cause respiratory discomfort or toxicity if ingested
Precautionary Statements: Wash exposed area thoroughly after handling, avoid breathing dust or vapor, wear protective gear
Specific Hazards: Not expected to present a significant hazard under typical use, but airborne dust can cause irritation
Chemical Identity: 1-Butyl-2,3-Dimethylimidazolium Bromide
Synonyms: BMIM Br, Ionic Liquid Sodium Salt
Concentration: ≥98% (by weight)
Impurities: Trace imidazole derivatives, possible moisture
EC Number: 272-439-3
Molecular Weight: 247.15 g/mol
Inhalation: Move the affected person to fresh air, provide oxygen if breathing is difficult; get medical advice if symptoms persist
Skin Contact: Remove contaminated clothing, rinse skin thoroughly with water for at least 15 minutes, seek medical attention for irritation
Eye Contact: Flush gently with water for 15 minutes lifting eyelids occasionally; get immediate medical attention
Ingestion: Rinse mouth, do not induce vomiting, drink plenty of water, call for medical help without delay
Immediate Medical Care: Symptomatic treatment only; no specific antidote available
Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Unsuitable Media: Do not use water jet directly on chemical; risk of spreading
Specific Fire Hazards: Burning produces toxic fumes of carbon oxides, nitrogen oxides, hydrogen bromide gas
Protective Equipment: Full protective suit, self-contained breathing apparatus
Special Precautions: Evacuate area, avoid inhaling fumes; consider downwind exposure if significant release
Combustion Products: Irritating and/or toxic vapors, such as bromine compounds
Personal Protection: Wear chemical-resistant gloves, goggles, long sleeves, dust mask or respirator
Spill Cleanup: Ventilate area, contain spill using inert absorbent material (sand, earth), transfer residue into labelled waste container
Avoid: Creating dust, inhaling vapors, contact with skin and eyes
Environmental Precautions: Prevent entry into drains, sewers, or waterways; local regulations may apply
Small Spills: Wipe up with tissue or paper, dispose in chemical waste
Large Spills: Isolate area, evacuate non-essential personnel, contact emergency response team for cleanup and disposal
Handling: Work in a chemical fume hood if possible, minimize dust generation, wear appropriate PPE such as gloves and goggles
Precautions: Wash hands after use; keep containers tightly sealed when not in use; avoid exposure to incompatible substances such as oxidizing agents
Safe Storage: Store in cool, dry, well-ventilated location away from sunlight and heat sources
Storage Conditions: Keep container closed, prevent humidity exposure, label containers clearly
Incompatibilities: Strong oxidizing agents, strong acids
Packaging Materials: Use inert containers (glass, HDPE); avoid metal contact for long term
Exposure Limits: No established occupational limits
Engineering Controls: Local exhaust ventilation, chemical fume hood
Eye Protection: Safety goggles, face shield
Hand Protection: Nitrile gloves or other chemical-resistant gloves
Skin Protection: Lab coat, apron, closed shoes
Respiratory Protection: Dust mask or NIOSH-approved respirator for particle/vapor exposure
Hygiene Measures: Wash hands before breaks and after handling; remove contaminated clothing promptly
Environmental Exposure: Use containment to avoid environmental release
Appearance: White to pale yellow solid, crystalline
Odor: Odorless or faint chemical smell
Melting Point: 70-75°C
Boiling Point: Decomposes before boiling
Solubility: Soluble in water, ethanol, methanol, DMSO
Density: Approximately 1.3 g/cm³ at 20°C
Vapor Pressure: Negligible at room temperature
pH: Slightly acidic in water
Flash Point: Not established; may decompose before ignition
Viscosity: Data not available
Partition Coefficient: Not measured
Stability: Stable under recommended storage and handling conditions
Reactivity: Low under ambient conditions
Thermal Decomposition: May release toxic gases such as bromine or nitrogen oxides when heated or in fire
Hazardous Reactions: Avoid strong acids and oxidizing agents which can cause decomposition
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, hydrogen bromide, imidazole derivatives
Polymerization: Not known to occur
Acute Toxicity: LD50 (oral, rat) estimated between 300 and 2000 mg/kg
Skin Corrosion/Irritation: May cause moderate skin irritation
Eye Damage/Irritation: Contact leads to stinging and redness
Inhalation: Dust may cause respiratory tract irritation
Ingestion: Can cause abdominal pain, nausea, vomiting on swallowing significant amounts
Chronic Effects: No known chronic toxicity at low exposure; long-term data scarce
Sensitization: Not determined
Mutagenicity/Carcinogenicity: Not classified as mutagen or carcinogen based on available data
Delayed/Immediate Effects: Mainly irritation if exposed to skin or eyes
Bioaccumulation: Potential for bioaccumulation in aquatic organisms remains undetermined
Aquatic Toxicity: Toxic to aquatic life at elevated concentrations; avoid contamination of water sources
Mobility: Highly soluble in water, likely to move through soil
Persistence/Degradability: Expected to degrade slowly under environmental conditions; ionic liquids may persist in aquatic systems
Ecotoxicity Data: Limited published data; prudent to minimize environmental release
Other Adverse Effects: No data on potential ozone depletion or photochemical impacts
Waste Treatment Methods: Collect in labelled hazardous waste containers, minimize waste generation
Disposal Recommendations: Send away for incineration at approved facility or chemical landfill as per national and local regulations
Environmental Precaution: Do not pour material down drains or sewers
Contaminated Packaging: Triple rinse containers, puncture and send to hazardous waste site
Disposal Codes: Follow local, regional, or national solid and hazardous waste regulations
UN Number: Not regulated under typical DOT/ADR/IMDG/IATA regulations
Shipping Name: 1-Butyl-2,3-Dimethylimidazolium Bromide, chemical, not otherwise specified
Hazard Class: Not classified as dangerous for transport
Packing Group: No assignment based on DOT/IATA/IMDG codes
Transport Labels: None required under standard transportation conditions
Special Transport Precautions: Avoid mechanical or chemical stress during handling; prevent packaging breakage; secure upright during transit
TSCA Inventory: Not listed for commercial distribution in the United States
REACH Status: Registration may be required in EU jurisdictions for use above 1 tonne/year
EINECS/ELINCS: Listed
OSHA Status: Not regulated as a hazardous material by OSHA
SARA Title III: Not listed under SARA Sections 302, 304, 313
California Prop 65: Not listed as a known carcinogen or reproductive toxin
Other Regulations: Check applicable country, state, or regional regulations for handling, storage, usage, and disposal
