Polic Chemical

Knowledge

Material Safety Data Sheet: Tributylhexadecylphosphonium Bromide

Identification

Product Name: Tributylhexadecylphosphonium Bromide
Chemical Formula: C28H60BrP
Synonyms: TBHPB, Phosphonium salt
CAS Number: 68299-07-6
Recommended Use: Industrial chemical, phase transfer catalyst, ionic liquid applications
Manufacturer: [manufacturer's details required by workplace]
Contact Information: Emergency telephone number, address, business hours contact

Hazard Identification

Classification: Corrosive to skin and eyes, harmful if swallowed, hazardous to aquatic environments
GHS Label Elements: Danger symbol, hazard statements such as “Causes severe skin burns and eye damage”, “Very toxic to aquatic life with long lasting effects”
Precautionary Statements: Prevent release to environment, avoid direct contact, use personal protective equipment
Hazard Pictograms: Corrosion, exclamation mark, aquatic toxicity signs
Routes of Exposure: Skin contact, ingestion, inhalation, eye contact
Target Organs: Skin, eyes, gastrointestinal, respiratory system

Composition / Information on Ingredients

Chemical Name: Tributylhexadecylphosphonium Bromide
Purity: Typically >95%
Impurities: Trace byproducts from synthesis, not typically listed as hazardous above regulatory thresholds
Ingredient Classification: Single substance

First Aid Measures

Inhalation: Remove the exposed person to fresh air, keep at rest, seek immediate medical attention if breathing is difficult
Skin Contact: Remove contaminated clothing, rinse skin thoroughly with water for 15 minutes, get medical assistance if irritation develops
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses, continue rinsing, seek urgent medical help
Ingestion: Rinse mouth, do not induce vomiting, drink water if conscious, seek emergency care without delay
General: Ensure safety of first aid responders, avoid direct contact with the chemical, show this sheet to medical personnel

Fire-Fighting Measures

Suitable Extinguishing Media: Dry chemical, CO2, foam, water fog
Specific Hazards: Toxic or corrosive gases may form during fire, including phosphorous oxides and hydrogen bromide
Protective Equipment: Full protective gear, self-contained breathing apparatus
Firefighting Instructions: Move containers from fire area if possible, cool with water spray, prevent run-off from entering drains
Combustion Products: Carbon oxides, bromide fumes, phosphorus-containing compounds

Accidental Release Measures

Personal Precautions: Keep unprotected persons away, use protective gloves, clothing, goggles, and suitable respirators
Environmental Precautions: Avoid discharge into sewers, waterways, or soil
Containment: Absorb spills with inert material such as sand, do not use water to spread
Cleanup Methods: Sweep or scoop up, place in appropriate labeled containers for disposal, ventilate spill area
Notification: Report major spills to appropriate agencies as required by regulations

Handling and Storage

Handling: Work in a well-ventilated place, avoid inhaling dust and vapors, avoid skin or eye contact, use chemical-resistant gloves, follow hygiene practices like washing after handling
Storage: Store in tightly sealed, corrosion-resistant containers in a cool, dry place, away from incompatible substances like strong oxidizers and acids
Storage Conditions: Prevent moisture entry, protect from direct sunlight and sources of ignition, maintain proper labeling
Incompatibilities: Strong oxidizing agents, strong acids

Exposure Controls and Personal Protection

Occupational Exposure Limits: No specific OSHA or ACGIH limits, recommend controlling exposure to lowest practical level
Engineering Controls: Use fume hoods, local exhaust ventilation
Personal Protective Equipment: Chemical-resistant gloves (nitrile, neoprene), splash goggles, flame-resistant lab coat, respiratory protection if risk of inhalation
Hygiene Measures: Wash thoroughly before eating, drinking, or smoking, change contaminated clothing
Environmental Exposure Controls: Prevent release to environment, use spill containment systems where required

Physical and Chemical Properties

Appearance: White to off-white crystalline powder
Odor: Mild, characteristic
Odor Threshold: Not established
pH: Not available in aqueous solution
Melting Point: 80-90°C (not absolute, may vary with purity)
Boiling Point: Decomposition before boiling
Flash Point: Not available, generally non-volatile
Evaporation Rate: Not applicable (solid)
Flammability: Not classed as flammable
Vapor Pressure: Negligible at ambient temperature
Density: 0.98-1.10 g/cm3 (approximate)
Solubility: Soluble in water and organic solvents like alcohols and acetone
Partition Coefficient: Not determined
Auto-ignition Temperature: Not established
Decomposition Temperature: May decompose at >200°C
Viscosity: Not applicable

Stability and Reactivity

Chemical Stability: Stable under recommended storage conditions, moisture can promote hydrolysis
Conditions to Avoid: Heat, flames, sources of ignition, contact with moisture, incompatible chemicals
Incompatible Materials: Strong acids, oxidizing agents, reactive metals
Decomposition Products: Toxic or corrosive fumes such as phosphorus oxides, hydrogen bromide, carbon oxides
Hazardous Reactions: None reported under normal conditions, hazardous polymerization unlikely

Toxicological Information

Likely Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Effects: Skin burns, severe eye damage, irritation of respiratory and digestive tract
Chronic Effects: No long-term studies, prolonged exposure may increase risk of dermatitis, respiratory issues
Toxicity Data: No formal LD50 values available for humans, may be harmful in high doses based on analogs
Sensitization: Not classified as a sensitizer
Mutagenicity, Carcinogenicity, Reproductive Toxicity: Not classified due to lack of adequate data
Other Information: Immediate medical attention recommended for accidental exposure

Ecological Information

Ecotoxicity: Very toxic to fish and aquatic organisms, long term damage possible
Persistence and Degradability: Limited biodegradation expected, may persist in soils and sediments
Bioaccumulation Potential: Data not available, potential for accumulation in aquatic organisms
Mobility in Soil: Moderate, depends on environmental conditions
Other Adverse Effects: Not ozone depleting

Disposal Considerations

Disposal Methods: Incinerate under controlled conditions in accordance with local regulations, consult waste disposal specialist
Contaminated Packaging: Triple rinse containers, dispose of as hazardous waste
Special Precautions: Prevent release into environment, avoid disposal with household waste
Relevant Regulations: Dispose according to state and federal guidelines for hazardous materials

Transport Information

UN Number: Not assigned
UN Proper Shipping Name: Not regulated in small quantities, may be considered environmentally hazardous substance (solid, n.o.s.) for larger shipments
Transport Hazard Class: 9 (environmental hazards) if shipped in large volumes
Packing Group: III (if applicable)
Environmental Hazards: Marine pollutant
Special Precautions for User: Avoid contact with skin and eyes, ensure secure container closure, transport with compatible materials only

Regulatory Information

TSCA: May require notification depending on volume and use
ECHA/REACH: Subject to registration or notification in the EU
OSHA HazCom: Classified as hazardous
SARA Title III: Not listed as an extremely hazardous substance, environmental reporting thresholds may apply
California Proposition 65: Not listed as a known carcinogen or reproductive toxicant
Other National Inventories: Check country-specific regulations for additional requirements
Labeling: Required GHS hazard symbols and statements per workplace safety regulations