1-Butyl-3-Methylimidazolium Hexafluoroantimonate MSDS

Identification

Product Name: 1-Butyl-3-Methylimidazolium Hexafluoroantimonate
Synonyms: BMIM+ SbF6-
CAS Number: 324572-89-8
Molecular Formula: C8H15N2•SbF6
Molecular Weight: 354.09 g/mol
Recommended Use: Research, solvent, ionic liquid applications
Manufacturer Contact: Safety and Technical Services, [insert number], [insert address].

Hazard Identification

Hazard Classification: Acute toxicity (oral, dermal, inhalation), serious eye irritation, skin sensitization
Signal Word: Danger
Hazard Statements: Harmful if swallowed, toxic if inhaled, causes severe skin and eye burns, possible respiratory sensitization
Pictograms: GHS skull and crossbones, GHS exclamation mark, GHS corrosion
Precautionary Statements: Avoid breathing dust or vapor, wear protective gloves and goggles, wash exposed skin thoroughly after handling, use only with adequate ventilation.

Composition / Information on Ingredients

Chemical Name: 1-Butyl-3-methylimidazolium hexafluoroantimonate
Common Name: Ionic liquid
CAS Number: 324572-89-8
EC Number: 806-346-5
Concentration: 100%
Impurities: Usually contains trace imidazole or halogenated byproducts

First Aid Measures

Inhalation: Remove to fresh air, keep at rest, administer oxygen if breathing is difficult, seek medical attention
Skin Contact: Remove contaminated clothing, flush skin with running water for at least 15 minutes, consult physician
Eye Contact: Rinse cautiously with water for at least 15 minutes, remove contact lenses if present, immediate medical advice needed
Ingestion: Rinse mouth, do not induce vomiting, call poison center or doctor right away
Note for Physicians: Treat symptomatically, keep under medical observation for delayed effects

Fire-Fighting Measures

Suitable Extinguishing Media: Dry chemical, CO2, water spray, foam
Unsuitable Media: Direct water jet may cause splattering
Specific Hazards Arising from Chemical: Releases toxic and corrosive fumes including hydrogen fluoride (HF), antimony oxides, and nitrogen oxides
Protective Equipment: Positive pressure self-contained breathing apparatus, complete chemical protection suit
Firefighting Guidelines: Move containers from fire area if safe, cool with water, avoid inhaling fumes

Accidental Release Measures

Personal Precautions: Wear chemical resistant gloves, face shield, respirator, protective clothing
Environmental Precautions: Prevent further leakage or spillage if safe, do not allow product to reach drains or watercourses, notify local authorities if large leakage occurs
Cleanup Methods: Absorb with inert material such as vermiculite, sand, or diatomaceous earth, place in suitable container for chemical waste, ventilate area, wash spill site after material pick-up is complete
Decontamination: Use alkaline solution to neutralize acidic residues

Handling and Storage

Precautions for Safe Handling: Wear approved lab coat, eye protection, use in fume hood, avoid contact with skin, eyes, and clothing, use nonsparking tools, keep container tightly closed
Storage Conditions: Store in a tightly sealed container at 2-8°C, in a dry, well-ventilated place away from incompatible materials such as strong oxidizers and acids
Incompatibilities: Avoid moisture, avoid contact with highly reactive compounds, keep away from heat, sparks, and open flame
Special Requirements: Store in original labeled container, secondary containment recommended

Exposure Controls and Personal Protection

Occupational Exposure Limits: No established OSHA or ACGIH exposure limits, handle as hazardous chemical
Engineering Controls: Use chemical fume hood, eye wash station, safety shower
Personal Protective Equipment: Chemical splash goggles, suitable gloves (nitrile or neoprene), flame-resistant lab coat, closed footwear
Respiratory Protection: NIOSH/MSHA-approved respirator with organic vapor cartridge when routine exposure risk is present
Hygiene Measures: Wash hands thoroughly after handling, remove contaminated clothing, do not eat or drink in areas where chemical is handled

Physical and Chemical Properties

Appearance: Colorless to pale yellow liquid or crystalline solid
Odor: Slight, characteristic
Odor Threshold: Not determined
pH: Very acidic
Melting Point: 45-60°C
Boiling Point: Decomposes before boiling
Flash Point: Not flammable by standard test
Evaporation Rate: Not applicable
Flammability: Not classified as flammable
Explosive Limits: Not applicable
Vapor Pressure: Negligible at room temperature
Vapor Density: Not determined
Relative Density: 1.3 – 1.4 g/cm3 (at 25°C)
Solubility: Miscible with water, soluble in organic solvents
Partition Coefficient (n-octanol/water): Not available
Autoignition Temperature: Not determined
Decomposition Temperature: Above 200°C
Viscosity: Moderate to high viscosity ionic liquid

Stability and Reactivity

Chemical Stability: Stable under normal storage and handling conditions
Reactivity: Reacts with strong oxidizers, acids, alkali metals
Hazardous Reactions: Possible violent reaction with incompatible materials
Conditions to Avoid: High temperature, moisture, contact with incompatible substances
Incompatible Materials: Strong bases, oxidizing agents, strong acids, water
Hazardous Decomposition Products: Hydrogen fluoride, antimony compounds, carbon oxides, toxic imidazole vapors

Toxicological Information

Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Effects: Harmful if swallowed, inhaled, or in contact with skin; severe irritation and burns to mucous membranes, eyes, and skin
Chronic Effects: Prolonged exposure may cause damage to respiratory and digestive tracts, potential for allergenic skin reactions
LD50 (oral, rat): Not available, expected to be moderately toxic
LD50 (dermal, rabbit): Not available
Carcinogenicity: Not classified, insufficient data
Mutagenicity: Data not available
Reproductive Toxicity: No data available
Target Organs: Skin, eyes, respiratory system, gastrointestinal tract
Symptoms of Exposure: Coughing, burning sensation, redness, blisters, gastrointestinal discomfort

Ecological Information

Ecotoxicity: Expected to be harmful to aquatic environments due to toxicity of hexafluoroantimonate ions and persistence of imidazolium cations
Persistence and Degradability: Not readily biodegradable, persists in soil and water environments
Bioaccumulation Potential: Potential for bioaccumulation in aquatic and terrestrial organisms
Mobility in Soil: Moderate mobility, can reach groundwater if released
Other Adverse Effects: Disrupts aquatic microorganisms, can cause acute aquatic toxicity including fish, planktonic and benthic species

Disposal Considerations

Waste Disposal Methods: Dispose as hazardous chemical waste, incineration preferred method in accordance with local, regional, and national regulations
Contaminated Packaging: Treat packaging as chemical waste, fully rinse or puncture and dispose as hazardous waste
Special Precautions: Do not flush to surface water or sewer, minimize environmental release, inform waste processor of composition and hazards

Transport Information

UN Number: Not assigned
Proper Shipping Name: Chemical, N.O.S. (contains antimony and imidazolium salts)
Transport Hazard Class: Nonregulated for most ground shipments, verify with local laws
Packing Group: Not regulated
Environmental Hazards: Marine pollutant
Special Precautions: Secure packaging, avoid leaks or spills, protect from moisture during transport

Regulatory Information

Safety, Health, and Environmental Regulations: Not listed specifically in TSCA or EINECS/ELINCS inventories, subject to notification or restrictions under chemical regulations
OSHA Hazards: Corrosive, toxic material
SARA Title III: Not specifically listed
California Proposition 65: Not listed
Other Local Laws: Subject to specific state, municipal, and international safety guidelines, check for reporting thresholds and permitting requirements
Workplace Classification: Handle as regulated chemical due to acute toxicity and environmental risk, ensure site-specific risk assessments are performed prior to use