Product Name: Octyltributylphosphonium Toluenesulfonate
Chemical Family: Phosphonium ionic liquid
CAS Number: 468788-81-0
Synonyms: Tributyl(octyl)phosphonium 4-methylbenzenesulfonate
Recommended Use: Industrial processing aid, chemical synthesis
Manufacturer Contact: Emergency phone number, address, email for inquiries
Emergency Overview: Specialized chemical handling, for industrial and laboratory use only
GHS Classification: Eye irritant, skin irritant, aquatic chronic hazard
Signal Word: Warning
Hazard Statements: Causes skin irritation, causes serious eye irritation, toxic to aquatic life with long lasting effects
Precautionary Statements: Wear protective gloves, avoid contact with eyes and skin, prevent release to environment, wash thoroughly after handling
Label Elements: Irritant (exclamation mark), aquatic hazard symbols
Potential Health Effects: Direct contact triggers redness, itching, and burning sensation; inhalation may irritate respiratory tract
Chronic Effects: Prolonged contact can result in dermatitis; environmental persistence raises ecological concerns
Chemical Name: Octyltributylphosphonium Toluenesulfonate
Chemical Formula: C23H44O3PS·C7H7SO3
Concentration: >98% (by weight)
Impurities: Less than 2% residual organic and inorganic byproducts
EC Number: N/A (non-registered, specialized chemical)
Other Components: No hazardous stabilizers or additives used in formulation
Inhalation: Remove to fresh air, keep victim comfortable and monitor for persistent coughing; seek medical attention if symptoms do not resolve
Skin Contact: Wash thoroughly with soap and water; remove contaminated clothing, seek medical help if irritation continues
Eye Contact: Flush with plenty of water for at least 15 minutes, holding the eyelids open; obtain medical evaluation quickly
Ingestion: Rinse mouth, give water to drink; do not induce vomiting; call Poison Control or medical professional immediately
Most Important Symptoms: Burning, irritation, redness, swelling
Immediate Medical Attention: Urgent for eye exposure or if significant ingestion/respiratory symptoms occur
Suitable Extinguishing Media: Dry chemical, carbon dioxide, alcohol-resistant foam, water spray used selectively
Specific Hazards: Material may produce fumes containing phosphorus and sulfur oxides, irritant or toxic gases possible
Protective Equipment: Full protective gear, self-contained breathing apparatus for all fire scenarios
Special Procedures: Move containers away from fire, prevent water runoff from contaminating waterways
Combustion Products: Phosphine, carbon monoxide, toluene derivatives, sulfur oxides
Flash Point: Estimated above 150°C, non-volatile in standard lab settings; handle as a combustible compound in a chemical fire
Personal Precautions: Use chemical splash goggles, gloves, and impervious clothing for all cleanups
Environmental Precautions: Prevent spillage from contacting soil or entering drains, use diking or absorbent barriers
Cleanup Procedures: Absorb liquid with inert material (sand, earth, vermiculite), collect in suitable labeled container, dispose as hazardous waste
Decontamination: Clean area thoroughly with detergent and copious amounts of water, ventilate space
Special Instructions: Notify relevant authorities if large spills reach the aquatic environment, limit area access until cleanup is finished
Safe Handling: Use only within chemical fume hood or ventilated workspace, avoid creating aerosols or mists, keep containers tightly closed
Personal Protection: Wear gloves, eye and face protection, avoid breathing vapors or dust
Incompatible Materials: Oxidizing agents, strong acids and bases, halides, combustibles
Storage Conditions: Store in a dry, well-ventilated area at ambient temperature; keep away from sunlight, ignition sources, moisture
Special Precautions: Store away from food and drink, use secondary containment for large volume containers
Shelf Life: Stable at least 12 months under recommended conditions
Engineering Controls: Chemical fume hood, localized ventilation, eye wash stations, safety showers
Personal Protective Equipment (PPE): Chemical-resistant gloves (nitrile or butyl rubber), safety goggles or face shield, impervious lab coat
Respiratory Protection: Dust mask or respirator if dust or mist forms above permitted limits
Exposure Limits: No established ACGIH/TLV or OSHA/PEL limits; minimize exposure through best practices
Hygiene Practices: No eating, drinking, smoking in handling area; wash hands and forearms thoroughly after handling
Appearance: Off-white to light yellow crystalline solid or waxy mass
Odor: Mild organic scent, characteristic for phosphonium salts
Melting Point: Range 64-68°C
Boiling Point: Decomposes before boiling
Flash Point: Estimated above 150°C
Solubility: Freely soluble in polar organic solvents, limited solubility in water
Density: Around 1.1-1.2 g/cm³
pH: Neutral (when dissolved)
Vapor Pressure: Negligible at room temperature
Partition Coefficient: Not determined
Chemical Stability: Stable at typical storage and handling conditions
Conditions to Avoid: Strong oxidizing agents, excessive heat, direct sunlight, exposure to acids or bases
Hazardous Reactions: May react with oxidizers producing heat and toxic fumes
Decomposition Products: Toluene, phosphorus oxides, sulfur oxides, hydrocarbons
Polymerization: Does not occur under normal conditions
Likely Routes of Exposure: Skin and eye contact, inhalation of dust or vapors, accidental ingestion
Acute Effects: Causes eye and skin irritation, may cause respiratory tract irritation
Chronic Effects: No known carcinogenicity, mutagenicity, or reproductive toxicity documented for this compound
LD50 (oral, rat): Data not available, structurally related phosphonium salts show moderate toxicity
Sensitization: Not expected, yet prolonged exposure could result in dermatitis or allergic reaction
Other Data: Not listed by NTP, IARC, or OSHA as a carcinogen
Aquatic Toxicity: Harmful to fish, invertebrates, and algae at moderate concentrations, long-term effects possible in aquatic environments
Persistence and Degradability: Not readily biodegradable, can persist in sediments and soil for extended periods
Bioaccumulation Potential: Limited data, yet possible based on organic cationic structure
Mobility in Soil: Moderate mobility, potential to leach through soil to groundwater
Further Ecological Information: Avoid uncontrolled release, significant risk to natural water bodies
Waste Treatment Methods: Disposal via licensed hazardous waste contractor; incineration preferred
Contaminated Packaging: Dispose as hazardous waste, triple rinse containers prior to recycling or disposal
Disposal Precautions: Do not discharge to sewer system or water bodies
Additional Notes: Follow local, regional, national, and international regulations for hazardous material waste
UN Number: Not assigned, chemical not regulated for ground, air, or sea transport according to most jurisdictions
Transport Hazard Class: Not classified
Packing Group: Not assigned
Environmental Hazards: Marine pollutant; packaging must prevent leaks
Special Precautions for Transport: Securely seal packages, prevent physical and chemical damage, include emergency response information
Additional Regulatory Transport Notes: Check for status updates in international chemical safety registers before large volume shipments across borders
TSCA Status: For research and development only, not listed for commercial import to United States
EU REACH Status: Registration not complete, subject to restriction and authorization for import/use in EU
Hazard Communication: Meets US OSHA Hazard Communication Standard, EU Classification Labelling Packaging Regulation
WHMIS Classification (Canada): D2B - Skin/Eye Irritant, Environmental Hazard
Other Standards: Not listed as a controlled drug/precursor chemical; not subjected to strict SIN or SVHC listings
Label Requirements: Include GHS pictograms, hazard statements, PPE instructions on all containers
Chemical Inventory Listings: Not widely listed; use in compliance with current local and international workplace safety standards
