Product Name: Benzyltriphenylphosphonium Bromide
Chemical Formula: C25H22BrP
Synonyms: Triphenylphosphonium, benzyl-, bromide
Manufacturer: Contact manufacturer for detailed supplier technical and emergency contact information
Recommended Use: Laboratory chemicals, research and development
CAS Number: 1747-67-7
Molecular Weight: 433.33 g/mol
Emergency Phone: Refer to local emergency protocols or Poison Centre
GHS Classification: Acute Toxicity (Oral) Category 4, Skin Irritation Category 2, Serious Eye Damage/Irritation Category 2A
Signal Word: Warning
Hazard Statements: Harmful if swallowed; causes skin irritation; causes serious eye irritation
Pictograms: Exclamation mark; Health hazard
Precautionary Statements: Avoid breathing dust; wash thoroughly after handling; wear protective gloves, clothing, and eye protection; do not eat, drink, or smoke when using this product; if on skin, wash with soap and water
Potential Health Effects: May cause gastrointestinal discomfort, respiratory tract irritation, skin and eye irritation
Environmental Hazards: May be hazardous to the aquatic environment
Chemical Name: Benzyltriphenylphosphonium Bromide
Content: >98% pure by weight
Impurities: Minimal, trace related phosphonium salts
CAS Number: 1747-67-7
EC Number: 217-129-8
Ingredient Type: Single substance
Inhalation: Remove person to fresh air, keep at rest, consult a physician if symptoms develop or persist
Skin Contact: Remove contaminated clothing, flush skin with plenty of soap and water, seek medical help for persistent irritation
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, seek medical attention
Ingestion: Rinse mouth, do not induce vomiting, call a physician or Poison Centre at once
Most Important Symptoms: Burning sensation, redness, pain in eyes or skin; gastrointestinal discomfort if ingested
Advice to Physicians: Provide symptomatic and supportive treatment, monitor for delayed allergic or irritation reactions
Suitable Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or foam
Unsuitable Extinguishing Media: High volume water jet
Specific Hazards from Fire: May emit toxic fumes of carbon monoxide, carbon dioxide, phosphorus oxides, and hydrogen bromide when heated to decomposition
Protective Equipment for Firefighters: Wear self-contained breathing apparatus (SCBA) and full protective clothing
Special Precautions: Move containers away from fire if it can be done without risk; avoid inhalation of combustion products
Personal Precautions: Ventilate area, evacuate unnecessary personnel, avoid dust generation, use personal protective equipment including gloves and safety goggles
Environmental Precautions: Prevent material from entering drains, sewers, or waterways
Methods for Containment: Contain spilled product, prevent further spread
Cleanup Procedures: Sweep up and shovel material into labeled waste containers using non-sparking tools, avoid creating dust, wash area with plenty of water following removal of material
Disposal of Collected Material: Dispose of through authorized chemical waste facilities
Safe Handling: Use with adequate ventilation, avoid generating dust, avoid contact with eyes, skin, and clothing, do not ingest, wash hands after use
Hygiene Considerations: Remove contaminated clothing and wash before reuse, keep away from food and drink areas
Storage Conditions: Store at room temperature in a tightly closed container, keep in a dry, cool, and well-ventilated place, keep away from incompatible substances including strong oxidizers and acids
Specific End Uses: Laboratory chemical only, not for drug, food, or household use
Occupational Exposure Limits: No established regulatory exposure limits
Engineering Controls: Use fume hood or local exhaust ventilation
Personal Protective Equipment:
Physical State: Crystalline solid
Color: White to off-white
Odor: Odorless or mild aromatic
Odor Threshold: Not determined
pH: Not available
Melting Point: 220-230°C
Boiling Point: Decomposes
Solubility: Soluble in water, alcohols, acetone
Density: 1.30-1.35 g/cm³
Vapor Pressure: Negligible at room temperature
Vapor Density: Not available
Flash Point: Not applicable (decomposes before boiling)
Evaporation Rate: Not applicable
Partition Coefficient (n-octanol/water): Not measured
Decomposition Temperature: >230°C
Viscosity: Not applicable
Explosive Properties: Not explosive
Oxidizing Properties: Not oxidizing
Chemical Stability: Stable under normal laboratory conditions
Reactivity: No known dangerous reactions under normal handling and storage
Hazardous Reactions: None expected under recommended conditions
Conditions to Avoid: Strong heat, open flame, moisture, incompatible substances
Incompatible Materials: Strong oxidizing agents, strong acids
Hazardous Decomposition Products: May release toxic fumes of phosphorus oxides, hydrogen bromide, and carbon oxides during decomposition
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Acute Toxicity: LD50 (oral, rat) estimated between 300-500 mg/kg
Skin Corrosion/Irritation: May cause mild to moderate irritation on contact
Serious Eye Damage/Irritation: Causes severe eye irritation with possible lasting effects
Respiratory Sensitization: Not classified
Skin Sensitization: Not classified
Germ Cell Mutagenicity: No known genetic toxicity
Carcinogenicity: Not listed by IARC, NTP, or OSHA as a known carcinogen
Reproductive Toxicity: No known reproductive or developmental effects
Specific Target Organ Toxicity: Not reported
Long-Term Effects: No chronic toxicity documented for this compound, avoid repeated or prolonged exposure
Symptoms of Exposure: Redness, itching, tearing, stomach upset, dizziness, or headache in high exposures
Ecotoxicity: Not fully studied, but may be toxic to aquatic organisms due to bromide and phosphonium content
Persistence and Degradability: Not readily biodegradable, persistent in the environment
Bioaccumulative Potential: Not measured, possible low potential because of ionic structure
Mobility in Soil: Limited due to low volatility and water solubility
Other Adverse Effects: Avoid uncontrolled environmental release, follow all local environmental regulations to prevent ecosystem burden
Waste Treatment Methods: Dispose of surplus and non-recyclable product as hazardous waste through a licensed contractor
Contaminated Packaging: Dispose of as unused product, rinse containers prior to recycling or disposal
Physical/Chemical Properties Affecting Disposal: None specifically affect standard practices
Appropriate Disposal: Do not discharge into drains, soil, or surface waters; comply with federal, state, and local environmental control regulations
UN Number: Not regulated for transport
Proper Shipping Name: Not applicable
Transport Hazard Class: Not classified
Packing Group: Not applicable
Environmental Hazards: None listed
Special Precautions: Handle and transport in accordance with local, national, and international regulations regarding laboratory reagents
Inventory Status: Check TSCA, EINECS, DSL listings for laboratory reagents
Regulations: OSHA Hazard Communication Standard applies; SARA Title III Sections 311/312: Hazardous Chemical; Not listed under SARA Section 313
Labeling Requirements: Identified as hazardous under OSHA’s chemical labeling rules
Workplace Controls: Maintain safety data documentation and employee training on safe handling
Chemical Safety Assessment: Assessment not required for laboratory quantities and research applications; refer to institutional review and site-specific policies
