Material Safety Data Sheet: Propyltributylphosphonium Bromide

Identification

Product Name: Propyltributylphosphonium Bromide
Chemical Formula: C15H34BrP
CAS Number: 3115-68-2
Recommended Use: Industrial chemistry, phase transfer catalysis, ionic liquids production
Manufacturer Contact: Company’s safety office, phone line available during work hours, emergency phone provided 24/7
Emergency Overview: Solid, white or off-white powder, slight odor, no obvious warning properties, may emit toxic fumes in fire
Synonyms: Tributyl(n-propyl)phosphonium bromide, PTBPB

Hazard Identification

Globally Harmonized System Classification: Harmful if swallowed, causes serious eye irritation, skin irritation possible, hazardous to aquatic life
Signal Word: Warning
Hazard Statements: H302 (Harmful if swallowed), H315 (Causes skin irritation), H319 (Causes serious eye irritation), H402 (Harmful to aquatic life)
Pictograms: Exclamation mark, environment (dead tree and fish)
Precautionary Statements: Wash hands thoroughly after handling, keep out of reach of children, avoid release to environment, wear protective gloves/eye protection
Routes of Entry: Inhalation, ingestion, skin/eye contact. Dust may be irritating to nose and throat. Not classified as carcinogenic.

Composition / Information on Ingredients

Chemical Name: Propyltributylphosphonium Bromide
Concentration: >98% by weight
Impurities: None reported, purity specified by supplier
Other Additives: Not applicable; single compound
Molecular Weight: 340.31 g/mol
EC Number: 221-487-7

First Aid Measures

Eyes: Remove contact lenses, rinse immediately with plenty of water for at least 15 minutes, seek medical advice
Skin: Remove contaminated clothing, wash thoroughly with soap and water, get medical attention if irritation persists
Inhalation: Move person to fresh air, keep quiet, give oxygen if breathing is difficult, obtain medical attention if symptoms persist
Ingestion: Do not induce vomiting, rinse mouth, drink water if conscious, seek immediate medical help
General Notes: Provide medical team with product MSDS, treat symptomatically

Fire-Fighting Measures

Suitable Extinguishing Media: Foam, dry chemical powder, carbon dioxide, water spray (do not use strong water jets)
Hazardous Combustion Products: Emits toxic and corrosive fumes of bromide and phosphorus oxides when burned
Special Protective Equipment for Firefighters: Wear full protective gear, self-contained breathing apparatus
Specific Hazards: Dust explosion not probable, but high temperature decomposes product, evolving hazardous vapors
Firefighting Advice: Prevent run-off water from entering drains/mains, use firefighting measures in accordance with surrounding materials

Accidental Release Measures

Personal Precautions: Avoid contact with eyes, skin, and clothing, use appropriate personal protective equipment, avoid breathing dust
Environmental Precautions: Prevent further leakage or spillage, do not let chemical enter drains, watercourses, or soil
Spill Cleanup Methods: Sweep up, place in suitable container, avoid generating dust, ventilate area
Waste Disposal: Dispose of in accordance with local, regional, national, and international laws; do not flush to sewer
Decontamination: Wash spill area with plenty of water and detergent, collect washings for disposal

Handling and Storage

Handling: Handle in well-ventilated area, minimize dust generation, avoid breathing dust, avoid contact with skin and eyes, keep containers tightly closed
Hygiene Practices: Don’t eat, drink, or smoke while handling this chemical, wash hands before breaks and after use
Storage: Store in original, tightly closed containers, protect from humidity and water, keep away from incompatible materials like strong oxidizers and acids, avoid extreme temperatures
Storage Conditions: Keep at room temperature, dry and well-ventilated environment, no direct sunlight
Incompatible Materials: Strong acids, oxidizers, alkali metals, water reactive chemicals

Exposure Controls and Personal Protection

Engineering Controls: Local exhaust ventilation, keep airborne dust below recommended exposure limits
Exposure Limits: No specific exposure limit established, use general dust limits (e.g., ACGIH TLV for nuisance dust: 10 mg/m³)
Personal Protective Equipment: Chemical-resistant gloves (nitrile or neoprene), safety goggles or face shield, lab coat or apron, use of dust mask (P2 or N95) if airborne dust generated
Respiratory Protection: Suitable respirator if ventilation insufficient or dust generated
Environmental Exposure Controls: Avoid entry to environment, collect all waste carefully, ensure good laboratory practice

Physical and Chemical Properties

Appearance: White to off-white crystalline powder
Odor: Slight, not distinctive
Odor Threshold: Not determined
pH (aqueous solution): Not specified
Melting Point: Approx. 110-120°C
Boiling Point: Decomposes before boiling
Flash Point: No data available
Flammability: Not classified as flammable
Vapor Pressure: Negligible at room temperature
Vapor Density: Not determined
Solubility: Soluble in water, soluble in organic solvents
Partition Coefficient (n-octanol/water): Not available
Decomposition Point: May decompose at elevated temperatures with toxic gas evolution
Evaporation Rate: Not applicable, solid

Stability and Reactivity

Chemical Stability: Stable under recommended storage and handling conditions
Thermal Decomposition: Releases toxic fumes of bromide and phosphorus oxides on thermal decomposition
Conditions to Avoid: Heat, humidity, direct sunlight, incompatible materials (acids, oxidizers)
Hazardous Polymerization: Does not occur
Incompatible Materials: Strong oxidizers, strong acids and bases
Hazardous Decomposition Products: Bromide fumes, phosphorus oxides, carbon oxides

Toxicological Information

Routes of Exposure: Inhalation, ingestion, skin, and eye contact
Acute Toxicity: Ingestion may cause abdominal discomfort, nausea, vomiting, and diarrhea, estimated LD50 (oral, rat) >2000 mg/kg
Skin Corrosion/Irritation: Causes irritation, redness, burns possible with prolonged contact
Serious Eye Damage/Irritation: Risk of irritation, redness, watering
Respiratory Sensitization: Dust can irritate respiratory system, high exposure may trigger coughing or shortness of breath
Chronic Effects: No data on carcinogenicity, mutagenicity, teratogenicity, or reproductive toxicity; prolonged exposure may worsen preexisting skin or lung conditions

Ecological Information

Aquatic Toxicity: Harmful to aquatic life, results in death or distress to water organisms at high concentrations
Persistence and Degradability: No detailed data, expected to persist based on structure
Bioaccumulative Potential: Potential for accumulation in aquatic environments, data lacking
Mobility in Soil: May partition to water, leaching possible
Other Effects: Avoid release to environment, not suitable for wastewater disposal, do not flush to drain or groundwater

Disposal Considerations

Product Disposal: Treat as hazardous waste, follow all federal, regional, and local regulations, avoid uncontrolled release to environment
Packaging Disposal: Decontaminate or remove label before recycling where permitted, otherwise destroy containers as hazardous waste
Methods of Disposal: Qualified hazardous waste provider, supervised incineration or chemically treat to neutral product
Precautionary Notes: Do not reuse empty packaging, keep spill residues out of drains and natural waters

Transport Information

UN Number: None assigned for this product, not classified as dangerous for transport
UN Proper Shipping Name: Not regulated
Transport Hazard Class: Not regulated for road, air, or sea
Packing Group: Not assigned
Special Precautions for User: Keep container tightly closed, avoid transport with incompatible chemicals, secure during transport

Regulatory Information

OSHA: Not specifically regulated, handle in accordance with OSHA hazard communication rules for hazardous chemicals
TSCA Inventory: Listed
REACH Registration: Substance may be subject to REACH registration under European laws
Other Relevant Laws: Subject to handling and release restrictions by local, state, and federal environmental agencies
International Inventories: May appear on regional chemical inventories (EINECS, AICS, DSL)
Safety, Health, and Environmental: Risk assessment by qualified personnel recommended prior to industrial use