Product Name: Ethyltributylphosphonium Bromide
Chemical Formula: C16H36BrP
CAS Number: 3115-68-2
Recommended Use: Laboratory reagent, industrial intermediate, ionic liquid precursor
Manufacturer Details: Chemical supplier address and emergency contact phone number provided on shipment documentation
SDS Revision Date: June 2024
GHS Classification: Acute toxicity (Oral, Category 4), Skin irritation (Category 2), Eye irritation (Category 2A), Environmental hazard (Aquatic acute, Category 2)
Pictograms: Exclamation mark, environment
Signal Word: Warning
Hazard Statements: Harmful if swallowed. Causes skin and eye irritation. Toxic to aquatic life.
Precautionary Statements: Avoid breathing dust or vapors. Wash skin thoroughly after handling. Avoid release to the environment. Wear protective gloves, clothing, and eye protection.
Potential Health Effects: Skin, eye, and respiratory irritation; possible danger if ingested; environmental contamination risk.
Chemical Name: Ethyltributylphosphonium Bromide
Synonyms: // N/A
Concentration: >98%
CAS Number: 3115-68-2
Impurities: Trace amounts of related phosphonium compounds (<1%)
Inhalation: Move person to fresh air. Provide artificial respiration if breathing is difficult. Seek medical attention if symptoms persist.
Skin Contact: Immediately wash with plenty of soap and water. Remove contaminated clothing. Get medical advice if irritation develops.
Eye Contact: Rinse eyes cautiously with water for at least 15 minutes, holding eyelids apart. Remove contact lenses. Consult ophthalmologist if irritation persists.
Ingestion: Do not induce vomiting. Rinse mouth with water. Seek urgent medical care.
Suitable Extinguishing Media: Dry chemical powder, carbon dioxide, foam. Do not use water jet.
Specific Hazards: Releases toxic gases including phosphorus oxides and hydrogen bromide when burned.
Protective Equipment: Firefighters must wear self-contained breathing apparatus and protective clothing.
Special Procedures: Move containers from fire area if it can be done safely. Prevent runoff from entering waterways or drains.
Personal Precautions: Evacuate unnecessary personnel. Use proper PPE including gloves, goggles, and respirator.
Environmental Precautions: Prevent further leakage or spillage. Contain spill to avoid environmental contamination.
Methods for Cleanup: Absorb with inert material such as dry sand or earth. Sweep up and collect in suitable, closed containers. Dispose following local regulations.
Handling: Work in well-ventilated areas. Avoid contact with eyes, skin, or clothing. Use appropriate PPE. Prevent dust formation.
Storage: Store tightly closed in a cool, dry, well-ventilated place, away from incompatible materials such as strong oxidizers and acids. Keep away from sources of ignition. Keep storage area clearly labeled.
Engineering Controls: Use local exhaust or effective general ventilation to limit exposure.
Personal Protective Equipment: Chemical-resistant gloves, protective clothing, safety goggles or face shield. Use NIOSH-approved respirator when dust or vapors are present.
Hygiene Measures: Wash hands after handling and before eating or drinking. Remove contaminated clothing immediately.
Appearance: White to off-white crystalline powder
Odor: Faint, slightly ammoniacal
Odor Threshold: Not available
pH: Not applicable
Melting Point: 146–152 °C
Boiling Point: Decomposes before boiling
Flash Point: >100 °C
Evaporation Rate: Not available
Flammability: Not easily flammable as a solid, but combustible
Vapor Pressure: Negligible at room temperature
Vapor Density: Not determined
Relative Density: ~1.2 (water = 1)
Solubility: Highly soluble in water, soluble in some organic solvents
Partition Coefficient (n-octanol/water): Not determined
Auto-Ignition Temperature: Not determined
Decomposition Temperature: >180 °C
Viscosity: Not applicable
Chemical Stability: Stable under recommended storage conditions.
Reactivity: No hazardous reactions expected under normal handling.
Conditions to Avoid: Excessive heat, open flame, direct sunlight, moisture.
Incompatible Materials: Strong oxidizing agents, acids, strong bases.
Hazardous Decomposition Products: Phosphorus oxides, hydrogen bromide, and other toxic fumes.
Routes of Exposure: Inhalation, ingestion, skin and eye contact.
Acute Toxicity: LD50 (oral, rat) estimated between 300–2000 mg/kg.
Skin Corrosion/Irritation: Causes moderate irritation.
Serious Eye Damage/Irritation: Causes eye irritation.
Respiratory or Skin Sensitization: Not classified as a sensitizer based on available data.
CMR Effects: No evidence of carcinogenesis, mutagenesis, reproductive toxicity available.
Target Organ Effects: May affect liver, kidney with repeated or prolonged exposure.
Aquatic Toxicity: Toxic to aquatic organisms, may cause long-term adverse effects in aquatic environment.
Persistence and Degradability: Not readily biodegradable.
Bioaccumulative Potential: Low to moderate potential.
Mobility in Soil: Mobile in aquatic systems due to solubility.
Other Adverse Effects: Avoid release to natural waters or soil.
Product Disposal: Dispose of via licensed chemical waste contractor. Incinerate in accordance with local, regional, and national regulations.
Contaminated Packaging: Rinse packages before disposal. Dispose of as hazardous waste.
Waste Codes: Consult relevant local disposal regulations for assignment of waste codes.
UN Number: Not classified as dangerous goods for most forms of transport.
Proper Shipping Name: Ethyltributylphosphonium Bromide
Transport Hazard Class: Not regulated
Packing Group: Not regulated
Environmental Hazards: Harmful to aquatic life. Avoid transport with foods and animal feeds.
Special Precautions: Use sealed containers. Limit exposure to weather during transit.
US Regulations: Not listed on major US chemical inventories as a restricted substance. TSCA-listed.
EU Regulations: Not classified for REACH annexes. Safety assessment required for workplace use.
Canada: DSL listed.
Other National Regulations: Subject to workplace and environmental safety laws regarding handling of hazardous chemicals.
Labeling Requirements: Hazard statements, precautionary measures, pictograms, and emergency telephone number displayed clearly on packaging.
Workplace Classification: Use as a hazardous chemical; refer to national occupational safety standards.
