Product Name: Tetraoctylphosphonium Bromide
Chemical Formula: C32H68BrP
CAS Number: 81741-28-8
Synonyms: Phosphonium, tetraoctyl-, bromide
Recommended Use: Laboratory chemical, ionic liquid precursor, phase transfer catalyst
Manufacturer Information: Provided by supplier or chemical distributor; often involves custom synthesis companies
Emergency Contact: Refer to local guidelines for chemical emergencies; typically involves poison centers or fire departments
Restrictions: Not intended for food, drug, or household applications; suited for professional or industrial settings
GHS Classification: Skin irritant (Category 2), Serious eye irritant (Category 2A), Acute aquatic toxicity (Category 1)
Signal Word: Warning
Hazard Statements: May cause skin irritation, causes serious eye irritation, very toxic to aquatic life
Pictograms: Exclamation mark, environment
Precautionary Statements: Avoid breathing dust, wash thoroughly after handling, avoid release to environment, wear eye and face protection, gloves, protective clothing
Other Hazards: Can generate hazardous gas when in contact with strong oxidizing agents; no known carcinogenicity based on available data
Chemical Name: Tetraoctylphosphonium Bromide
CAS Number: 81741-28-8
Concentration: ≥ 97% (as supplied by most chemical distributors)
Impurities: Trace organic byproducts from synthesis process, typically under 2%
Molecular Weight: Approximately 591 g/mol
Physical State: Solid or viscous liquid, varies depending on temperature and ambient conditions
Eye Contact: Rinse immediately with plenty of water for at least 15 minutes, lift upper and lower eyelids occasionally, seek medical attention if irritation persists
Skin Contact: Remove contaminated clothing, wash skin with soap and water, seek medical attention if irritation appears
Inhalation: Move person to fresh air, keep at rest in a position comfortable for breathing, consult a doctor if symptoms develop
Ingestion: Rinse mouth, do not induce vomiting without advice from medical personnel, seek immediate medical attention
Notes for Medical Personnel: Treat symptomatically, no specific antidote recognized, support respiratory and circulatory function as needed
Suitable Extinguishing Media: Dry chemical, carbon dioxide, foam, water spray
Unsuitable Media: Avoid solid water streams which may spread fire or chemical
Specific Hazards: Decomposes under high heat to produce toxic and corrosive gases including phosphorus oxides and hydrogen bromide
Protective Equipment: Firefighters wear self-contained breathing apparatus and full protective clothing
Precautions: Prevent runoff from entering drains or watercourses, use foam or sand to contain spillage
Combustion Products: Carbon oxides, phosphorus oxides, hydrogen bromide, other unidentified organic compounds
Personal Precautions: Wear chemical-resistant gloves, goggles, suitable protective clothing, avoid dust generation
Environmental Precautions: Avoid release into sewers or waterways, contain runoff using earth or inert soak-up material
Containment: Sweep up solid, collect in a suitable labeled container, ventilate affected area
Cleanup Methods: Use non-sparking tools, place into hazardous waste containers for disposal, wash spill area with water and detergent after cleanup
Notification: Notify relevant authorities if environmental contamination occurs or large quantities are released
Handling: Handle in a well-ventilated area, avoid skin and eye contact, prevent breathing dust or vapor, wash hands after handling, do not eat or drink near chemical
Storage: Store in a tightly closed container, keep in a cool, dry, well-ventilated location, protect from direct sunlight, segregate from oxidizing agents, strong acids, and alkalis
Incompatibilities: Strong oxidizers, strong acids, moisture-sensitive materials
Stability During Storage: Stable under recommended storage conditions, may decompose if exposed to light, high temperatures or moisture
Engineering Controls: Use local exhaust ventilation, chemical fume hood recommended for handling large quantities or powders
Personal Protective Equipment: Chemical resistant gloves (nitrile, neoprene), safety goggles or face shield, laboratory coat, adequate respiratory protection in case of insufficient ventilation or exposure above safe limits
Hygiene Measures: No eating, drinking, or smoking during handling, wash hands thoroughly, remove contaminated clothing and wash before reuse
Exposure Limits: No specific occupational exposure limits established for this compound; use good laboratory practice to minimize risk
Environmental Controls: Implement spill containment and waste control procedures to minimize environmental release
Appearance: White to pale yellow solid or viscous liquid, depending on conditions
Odor: Mild or waxy odor
Melting Point/Freezing Point: Ranges from 40°C to 55°C (may vary by purity and structure)
Boiling Point: Decomposes above 350°C
Vapor Pressure: Negligible at room temperature
Solubility: Moderately soluble in water, miscible with polar organic solvents
Density: 0.93 – 1.05 g/cm³
pH: Not applicable (solid); in water, slightly acidic
Partition Coefficient (n-octanol/water): High, indicates significant bioaccumulation potential
Flash Point: Above 150°C (closed cup, may vary)
Decomposition Temperature: Above 350°C
Viscosity: High, becomes glassy at low temperatures
Chemical Stability: Stable under normal laboratory and industrial conditions
Reactivity: Reacts with strong oxidizing agents, reacts vigorously with strong acids
Hazardous Reactions: May produce toxic gases on decomposition, including phosphorus oxides and hydrogen bromide
Hazardous Decomposition Products: Phosphorus oxides, hydrogen bromide, hydrocarbons
Conditions to Avoid: Elevated temperatures, strong sunlight, contact with moisture or incompatible chemicals
Polymerization: No hazardous polymerization expected under normal use
Routes of Exposure: Skin, eyes, ingestion, inhalation
Acute Toxicity: Data limited; may cause moderate skin and eye irritation, ingesting can cause gastrointestinal discomfort and systemic effects
Chronic Toxicity: Effects of prolonged exposure unclear, repeated contact may result in dermatitis
Skin Sensitization: Not established, though similar compounds may cause allergic response
Carcinogenicity: Not classified as carcinogen by IARC, NTP, or OSHA
Mutagenicity: Not well studied; assume best practice precautions
Reproductive Toxicity: No data available specific to compound; recommend handling with care to avoid unforeseen effects
Other Health Effects: May cause irritation of respiratory tract if dust or aerosols form
Aquatic Toxicity: Very toxic to aquatic life, particularly to fish and invertebrates
Persistence and Degradability: Slowly biodegradable in the environment; potential for persistence in sediment and water
Bioaccumulative Potential: High due to hydrophobic character, risk of bioaccumulation in aquatic environments
Mobility in Soil: Low mobility due to hydrophobicity, may adsorb to organic matter
Other Adverse Effects: Avoid release in natural waterways, small amounts may cause environmental harm if not properly controlled
Waste Treatment Methods: Dispose of contents/container in accordance with local, regional, and national regulations
Disposal Containers: Use sealed, labeled containers for hazardous waste
Incineration: High-temp incineration recommended where allowed
Prohibited Disposal: Do not pour down drains, avoid open-air burning, never landfill with regular waste
Contaminated Packaging: Dispose of as hazardous chemical waste after proper rinsing or neutralization as per guidelines
Special Precautions: Consult waste disposal specialist or local authority for best current practices
UN Number: Not assigned for this compound; may be shipped as chemical under general regulations
Proper Shipping Name: Tetraoctylphosphonium Bromide, chemical, non-hazardous for air but check ground/sea rules
Transport Hazard Class: Not specified for this compound; packaging should prevent release in case of breakage
Packing Group: Not classified by standard agencies, treat with care and proper containment
Marine Pollutant: Regarded as a marine pollutant due to aquatic toxicity
Special Transport Precautions: Secure packaging, label clearly, avoid temperature extremes
OSHA Status: Not specifically regulated as hazardous, use good laboratory safety practice
TSCA: May not appear on TSCA inventory, check with supplier for specific compliance
REACH Status: Not registered under REACH as of latest available updates
SARA 313: No listed ingredients subject to the reporting requirements of SARA Title III
California Proposition 65: Not listed as of last update
Other National/International Regulation: Handle according to chemical hazard communication standards in destination country, use appropriate safety data and transport documentation
Workplace Labelling: Ensure clear hazard indication on all work containers and in safety training
