Product Name: 2-Hydroxy-N,N,N-Trimethylethanaminium Tetrafluoroborate
Synonyms: Choline tetrafluoroborate
CAS Number: 43016-86-0
Molecular Formula: C5H14BF4NO
Molecular Weight: 191.98 g/mol
Recommended Use: Research, chemical synthesis, electrochemistry
Manufacturer/Supplier Information: Name, address, telephone number of supplier
Emergency Telephone: Number for medical or chemical emergencies
Hazard Classification: Eye irritation, skin irritation
Label Elements: Warning, exclamation mark symbol
Signal Word: Warning
Hazard Statements: Causes serious eye irritation; may cause skin irritation
Precautionary Statements: Avoid contact with eyes, skin, and clothing; wash thoroughly after handling; wear protective gloves and eye protection
Other Hazards: Not classified as flammable, but dust formation may pose explosion risk under certain conditions
Chemical Identity: 2-Hydroxy-N,N,N-Trimethylethanaminium Tetrafluoroborate
Common Name: Choline tetrafluoroborate
Concentration: 100% pure product unless otherwise specified
Impurities/Additives: No known significant impurities impacting hazard classification
Inhalation: Move to fresh air; keep individual comfortable; seek medical attention if symptoms like coughing or difficulty breathing develop
Skin Contact: Remove contaminated clothing; rinse skin with plenty of water for at least 15 minutes; seek medical attention if irritation persists
Eye Contact: Rinse opened eyes gently with water for several minutes; remove contact lenses if present and easy to do; seek prompt medical attention
Ingestion: Rinse mouth thoroughly with water; seek medical attention; do not induce vomiting unless directed by medical personnel
Suitable Extinguishing Media: Water spray, dry powder, foam, carbon dioxide
Specific Hazards Arising from Product: Hydrogen fluoride and boron trifluoride may form during thermal decomposition
Special Protective Equipment: Self-contained breathing apparatus, full protective suit for firefighters
Advice for Firefighters: Avoid inhaling fumes; use water spray to cool unopened containers
Personal Precautions: Wear gloves, goggles, lab coat; avoid creating dust; ventilate area
Environmental Precautions: Prevent product from entering drains, surface water, or soil
Methods for Clean Up: Sweep up gently without raising dust; collect in suitable container for disposal; clean area with water and detergent
Safe Handling: Handle inside chemical fume hood; use personal protective equipment; keep containers tightly closed
Storage Conditions: Store at room temperature in tightly sealed containers, away from moisture and incompatible substances
Incompatible Materials: Strong oxidizing agents, strong bases, sources of ignition
Specific End Uses: Laboratory research or as indicated by supplier
Occupational Exposure Limits: No specific OSHA, ACGIH, or NIOSH limits published
Engineering Controls: Use local exhaust ventilation, chemical fume hood
Personal Protective Equipment: Chemical-resistant gloves, safety goggles, lab coat
Respiratory Protection: Use NIOSH-approved dust mask or respirator if dust formation is likely
Hygiene Measures: Wash hands, face, and exposed skin thoroughly after handling
Appearance: White crystalline solid
Odor: Odorless or faint organic smell
pH: Slightly acidic (water solution)
Melting Point/Freezing Point: 175-185°C (decomposes)
Boiling Point: Not applicable (decomposes before boiling)
Flash Point: Not flammable under normal conditions
Solubility: Highly soluble in water, alcohols; poorly soluble in non-polar solvents
Density: Around 1.3 g/cm³
Viscosity: Not available; not relevant for solid
Other Properties: Stable under recommended processing conditions
Chemical Stability: Stable under recommended storage and handling
Reactivity: Reacts with strong bases, oxidizers
Possibility of Hazardous Reactions: Decomposes on heating to release toxic gases
Conditions to Avoid: Excess heat, moisture, incompatible substances
Hazardous Decomposition Products: Hydrogen fluoride, boron trifluoride, other fluorine-containing gases
Acute Toxicity: Data limited; not classified as highly toxic based on available information
Skin Corrosion/Irritation: May cause slight irritation after prolonged or repeated contact
Serious Eye Damage/Irritation: Causes significant eye irritation; laboratory experience shows redness, pain
Respiratory Sensitization: Not expected to cause sensitization
Carcinogenicity: No listed components as carcinogens in IARC, NTP, OSHA
Other Effects: No evidence of mutagenicity or teratogenicity; avoid unnecessary exposure due to lack of detailed studies
Ecotoxicity: No specific data available; avoid release into environment
Persistence and Degradability: Product expected to undergo slow chemical degradation in water
Bioaccumulative Potential: Not believed to bioaccumulate significantly, based on structure
Mobility in Soil: Expected to be mobile in aqueous environments
Other Adverse Effects: Product contains fluorine; large spills pose risk to aquatic organisms
Waste Treatment Methods: Dispose of contents in accordance with local, regional, national regulations
Contaminated Packaging: Empty containers should be rinsed thoroughly and disposed safely
Precautions: Avoid disposal to environment, especially surface water systems
Recommended Disposal: Chemical incineration or approved landfill sites as permitted by authorities
UN Number: Not classified as dangerous for transportation
Proper Shipping Name: Not regulated
Transport Hazard Class: None assigned
Packing Group: None
Environmental Hazards: Avoid large releases into waterways
Special Precautions: Use standard chemical packaging; secure to prevent breakage
US Regulations: Not listed under TSCA as hazardous, no defined SARA hazard categories
EU Regulations: Not included in REACH Annex XVII restrictions, no harmonized classification
Other National Regulations: Consult applicable country or regional chemical safety requirements
Labeling Requirements: Eye irritant warning, precautionary handling statements
Safety Assessment: Review updated guidance from health and safety bodies as available
