Material Safety Data Sheet (MSDS) for Triphenylbismuth

Identification

Product Name: Triphenylbismuth
Chemical Name: Triphenylbismuth
Synonyms: Bismuth, triphenyl-
CAS Number: 603-33-8
Molecular Formula: C18H15Bi
Molecular Weight: 440.3 g/mol
Recommended Use: Laboratory chemicals, organic synthesis, research applications
Supplier Details: Provided on purchase documentation
Emergency Contact: Local poison control, emergency services

Hazard Identification

Classification: Not classified as a hazardous substance under GHS regulations, but may cause irritation to skin, eyes, and respiratory tract
Signal Word: Warning
Hazard Statements: May cause mild skin and eye irritation, possible respiratory discomfort if dust is inhaled, can be harmful if ingested in significant amounts
Precautionary Statements: Wear protective gloves and safety goggles, avoid generating dust/wash hands after handling
Pictograms: Exclamation mark for irritant
Specific Hazards: Dust poses inhalation hazard especially in confined, poorly ventilated areas

Composition / Information on Ingredients

Chemical Name: Triphenylbismuth
Concentration: >98%
CAS Number: 603-33-8
Impurities or Stabilizing Additives: Minor residual solvents, not expected above 0.5%

First Aid Measures

Inhalation: Move to fresh air, seek medical attention if symptoms persist, give oxygen if breathing is difficult
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water, see a doctor if irritation develops
Eye Contact: Rinse cautiously with water for 15 minutes, remove contact lenses if present and easy to do, consult an eye specialist for persistent discomfort
Ingestion: Rinse mouth, do not induce vomiting, call physician or poison control in case of significant exposure
Acute Symptoms: Irritation, mild burning or dryness
Chronic Symptoms: Prolonged exposure may produce more advanced irritation, unknown chronic effects

Fire-Fighting Measures

Suitable Extinguishing Media: Dry chemical powder, carbon dioxide, foam, sand
Unsuitable Media: Direct water jets (powder splatter risk)
Specific Hazards: Combustion produces carbon monoxide, carbon dioxide, bismuth oxides, phenolic vapors
Protective Equipment: Full protective clothing, self-contained breathing apparatus
Advice for Firefighters: Avoid inhaling smoke or fumes, evacuate area if large fire breaks out, use water spray to cool exposed containers
Explosion Data: Dust generation may contribute to a weak dust explosion hazard, but not classed as explosive

Accidental Release Measures

Personal Precautions: Prevent dust clouds, ventilate area, wear gloves, goggles, dust mask
Environmental Precautions: Prevent spillage from entering drains, surface water, or soil
Cleanup Methods: Collect using damp method or HEPA-filter vacuum, transfer to labeled waste container
Disposal: Dispose as hazardous waste per local regulations, do not reuse container
Reporting Requirements: Notify responsible authorities if significant environmental exposure occurs

Handling and Storage

Handling: Handle in fume hood or with adequate local exhaust, avoid contact with skin and eyes, avoid inhaling dust or fumes
Storage Conditions: Store in cool, dry, and well-ventilated place, keep tightly closed, keep away from strong oxidizers or acids
Storage Temperature: Room temperature preferred, avoid temperature extremes
Incompatible Materials: Strong acids, strong bases, oxidizing agents
Hygiene Practices: Wash thoroughly after handling, do not eat, drink, or smoke while using product

Exposure Controls and Personal Protection

Exposure Limits: No established occupational exposure limits for triphenylbismuth
Engineering Controls: Ensure adequate ventilation, use fume hood or local exhaust whenever dust or fumes might occur
Respiratory Protection: Dust mask or respirator for nuisance dust
Eye Protection: Safety goggles or face shield
Skin Protection: Nitrile or neoprene gloves, laboratory coat
Environmental Controls: Prevent material release to environment, keep work area clean and dust-free

Physical and Chemical Properties

Appearance: White to pale yellow crystalline powder
Odor: Slight aromatic odor
Odor Threshold: Not available
pH: Not applicable
Melting Point: 149°C
Boiling Point: >360°C (decomposes)
Flash Point: Not determined
Evaporation Rate: Not applicable
Flammability: Not quickly flammable under normal conditions
Vapor Pressure: Negligible at room temperature
Vapor Density: Not available
Relative Density: 1.59 g/cm³
Solubility: Insoluble in water, soluble in chloroform, benzene, and some other organic solvents
Partition Coefficient (n-octanol/water): Not established
Auto-ignition Temperature: Not available
Decomposition Temperature: Above 360°C
Viscosity: Not applicable

Stability and Reactivity

Chemical Stability: Stable at normal conditions, sensitive to strong oxidizing agents
Reactivity: Reacts with strong acids and bases, vigorous reaction possible with oxidizers
Hazardous Reactions: Will not occur under normal storage and handling
Decomposition Products: Forms carbon oxides, bismuth oxides, phenolic compounds on burning or decomposition
Polymerization: Does not undergo hazardous polymerization

Toxicological Information

Likely Routes of Exposure: Inhalation, ingestion, skin, and eye contact
Acute Effects: May produce mild irritation to skin, eyes, respiratory tract; ingestion of large amount may cause gastrointestinal discomfort
Chronic Effects: No significant chronic effects documented, long-term studies limited
LD50 (Oral, Rat): Not available, but structurally related organobismuth compounds show low acute toxicity
LD50 (Dermal): Data not available
Carcinogenicity: Not classified as carcinogenic by IARC, OSHA, NTP
Mutagenicity/Teratogenicity: No data available
Sensitization: Not expected to cause sensitization based on chemical structure

Ecological Information

Ecotoxicity: Harmful to aquatic organisms in high concentrations, soluble organic bismuth more mobile in environment
Persistence and Degradability: Not rapidly biodegradable, tends to persist in soils and sediments
Bioaccumulative Potential: Limited potential due to low solubility in water, may bioaccumulate if released in large quantities
Mobility in Soil: Low mobility in soil, adheres to particulate matter
Other Adverse Effects: Bismuth compounds can disrupt soil microbe balance at high concentrations, always avoid unnecessary environmental release

Disposal Considerations

Waste Disposal Methods: Dispose of material in approved chemical waste facility, incineration preferred if permitted, avoid landfill unless no alternative
Container Disposal: Empty containers may retain residue, treat as hazardous waste, do not reuse or recycle packaging
Local Regulations: Follow all applicable national, regional, and local regulations for hazardous waste
Special Precautions for Disposal: Prevent spillage and dust formation, label all waste containers clearly

Transport Information

UN Number: Not regulated for transport
UN Proper Shipping Name: Not classified as dangerous for transportation
Transport Hazard Class: Not restricted
Packing Group: Not applicable
Environmental Hazards: Not a marine pollutant under IMDG regulations
Special Precautions: Protect containers from damage, spills, keep away from oxidizers during transportation

Regulatory Information

TSCA: Listed
DSL/NDSL: Listed in Canada
EINECS/ELINCS: Listed (EINECS: 210-036-7)
REACH: Registered or exempted
OSHA: Not specifically regulated as hazardous
SARA Title III: Not listed under sections 302/304/313
California Proposition 65: Not listed as known to cause cancer or reproductive toxicity
Other Regulations: Local workplace safety rules apply, maintain safety documentation in work area