Chemical Name: Tetrabutyl-Ammonium Tetrafluoroborate
Synonyms: TBATFB, Tetrabutylammonium tetrafluoroborate
CAS Number: 429-42-5
Use: Electrolyte in non-aqueous electrochemistry, phase-transfer catalyst, intermediate in chemical synthesis
Manufacturer: Refer to label or purchase documentation for sourcing
Contact Information: Find emergency advice and technical support through supplier's provided numbers or on the delivery documentation
Recommended Restrictions: Not intended for pharmaceutical, food, or personal applications outside regulated laboratory use
Emergency Contact: Facility-specific information; refer to safety manager or emergency procedures in your location
GHS Classification: Acute toxicity (oral, dermal), Eye irritation, Skin irritation
Hazard Statements: Harmful if swallowed, Causes skin and eye irritation, May cause respiratory irritation
Precautionary Statements: Wash thoroughly after handling, Wear protective gloves and eye/face protection, Use only with adequate ventilation, Avoid release to environment
Signal Word: Warning
Pictograms: Exclamation mark
Symptom Overview: Inhalation can provoke coughing, headache, or discomfort; skin contact may cause redness; eye contact can prompt pain or watering; ingestion may lead to nausea
Chemical Identity: Tetrabutyl-Ammonium Tetrafluoroborate
CAS Number: 429-42-5
Purity: Usually above 98%
Other Components: None present above reporting thresholds
Molecular Formula: C16H36BF4N
Molecular Weight: 339.28 g/mol
Inhalation: Move person to fresh air, clear respiratory tract, seek medical attention if symptoms persist or worsen
Skin Contact: Wash with plenty of soap and water; remove contaminated clothing; if irritation persists, consult a physician
Eye Contact: Rinse cautiously with water for several minutes; remove contact lenses if easy; continue rinsing; seek immediate medical attention if pain or redness continues
Ingestion: Rinse mouth; never give anything by mouth to an unconscious individual; seek medical advice without delay
Note to Physicians: Treat symptoms, consider possible toxicity, review product label and safety information for further action
Suitable Extinguishing Media: Dry chemical, carbon dioxide, foam, water spray used for surrounding materials
Unsuitable Extinguishing Media: Do not use high-pressure water jet directly
Special Hazards: Decomposition can release toxic fumes such as hydrogen fluoride, nitrogen oxides, and carbon oxides
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective clothing
Advice for Firefighters: Prevent entry to sewers or confined areas; isolate from combustibles; cool containers exposed to fire with water
Personal Precautions: Wear chemical-resistant gloves, safety goggles, lab coat, suitable mask if dust forms
Environmental Precautions: Prevent release into sewers, water supplies, or soil; contain spill with inert absorbent
Cleanup Methods: Collect dry material using non-sparking tools; sweep or vacuum to suitable container for disposal; ventilate area; wash spill site after material pick-up
Disposal of Contaminated Material: Place in chemical waste container; dispose of as hazardous waste
Handling: Perform in well-ventilated area, avoid dust generation, use appropriate PPE, never eat, drink, or smoke during handling, keep containers tightly closed
Storage Conditions: Store in original, sealed containers in a cool, dry, and well-ventilated location; protect from moisture and incompatible substances; keep away from direct sunlight, strong acids, and bases
Incompatibilities: Strong oxidizers, strong acids, alkalis
Special Precautions: Label containers, store away from food and drink, keep out of reach of unauthorized personnel
Occupational Exposure Limits: No established limits for this compound; general dust standards should be followed
Engineering Controls: Use fume hood or local exhaust to minimize exposure
Personal Protective Equipment: Chemical splash goggles, nitrile gloves, lab coat, recommended use of dust mask or respirator if dust or aerosols may be generated
Hygiene Measures: Wash hands before breaks, after handling, and after removing gloves; avoid touching face while using chemical
Environmental Controls: Minimize release to environment; use closed systems if possible
Appearance: White crystalline powder or solid
Odor: Odorless or mild
Odor Threshold: Not available
pH (aqueous solution): Neutral
Melting Point/Freezing Point: 183–187°C
Boiling Point: Decomposes before boiling
Flash Point: Not applicable
Evaporation Rate: Not determined
Flammability: Non-flammable
Vapor Pressure: Negligible at room temperature
Vapor Density: No data available
Relative Density: Not determined
Solubility: Soluble in water, acetonitrile, other polar organic solvents
Partition coefficient (n-octanol/water): Not determined
Auto-ignition Temperature: Not available
Decomposition Temperature: Above 200°C
Viscosity: Not applicable
Chemical Stability: Stable under recommended storage and handling conditions
Hazardous Reactions: May react with strong acids or oxidizing agents, generating toxic gases
Conditions to Avoid: Exposure to high temperatures, moisture, incompatible substances
Incompatible Materials: Strong acids, bases, oxidizing agents
Hazardous Decomposition Products: Nitrogen oxides, carbon oxides, hydrogen fluoride, boron oxides produced during fire or decomposition
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Acute Toxicity: Harmful if swallowed; data on LD50 values limited, assume moderate toxicity
Skin Irritation: Causes irritation; may provoke redness, itching
Eye Irritation: Causes eye irritation, watering, and discomfort
Respiratory Irritation: Dust may irritate mucous membranes; coughing, sneezing can occur
Sensitization: No available data for skin or respiratory sensitization
Chronic Effects: Long-term exposure data not established; use preventive measures to minimize contact
Carcinogenicity, Mutagenicity, Reproductive Toxicity: Not classified by major agencies due to limited evidence; use care to limit unnecessary exposure
Aquatic Toxicity: Product may pose risk to aquatic organisms; toxicity data incomplete
Persistence and Degradability: Not readily biodegradable under environmental conditions
Bioaccumulation Potential: Not expected to accumulate in living organisms under most conditions
Mobility in Soil: May leach to groundwater if discharged uncontrollably
Other Environmental Effects: Large spills can shift ionic balance in water bodies, use spill containment in laboratory and industry, avoid uncontrolled discharges
Waste Treatment Methods: Collect and label waste; dispose through licensed hazardous waste contractor
Contaminated Packaging: Manage empty containers as chemical waste; triple rinse before disposal if possible
RCRA Status: Confirm status at your location; most often managed as hazardous laboratory waste
Environmental Release Caution: Avoid pouring down drain or to natural waters
Legal Compliance: Always follow local, regional, and national regulations for chemical disposal
UN Number: Not regulated as dangerous good under IATA, IMDG, or DOT
UN Proper Shipping Name: Not applicable
Transport Hazard Class: Not classified
Packing Group: Not applicable
Marine Pollutant: Not specifically listed
Special Precautions for Transport: Protect from moisture, avoid damaging containers during movement, secure properly to prevent spills or leaks
OSHA: Not specifically listed under OSHA hazardous chemicals
TSCA: Listed in US Toxic Substances Control Act inventory
REACH: Registration status in Europe may vary; check with supplier
Federal/State Regulations: Not listed under CERCLA, SARA Title III or California Proposition 65
WHMIS (Canada): Not classified
Other Standards: Handle with safety procedures as per institutional protocols, monitor for updates in regulatory guidance
