Product Name: 4-Bromobutyltriphenylphosphonium Bromide
Chemical Formula: C22H23Br2P
CAS Number: 5156-73-4
Recommended Use: Laboratory chemical, synthetic reagent
Manufacturer Information: Contact supplier or distributor on packaging label
Emergency Phone Number: Refer to national emergency services or manufacturer
Synonyms: (Triphenylphosphoranylidene)butyl bromide, P-Phosphonium, 4-Bromobutyl triphenylphosphonium bromide
Classification: Acute Toxicity (Oral, Dermal), Skin Irritation, Eye Irritation
Hazard Pictograms: GHS07 (Exclamation mark)
Signal Word: Warning
Hazard Statements: Harmful if swallowed; Causes skin irritation; Causes eye irritation
Precautionary Statements: Avoid breathing dust. Wash hands thoroughly after handling. Do not eat, drink, or smoke during use. Wear protective gloves and eye/face protection. If exposed or concerned, get medical advice.
Chemical Name: 4-Bromobutyltriphenylphosphonium Bromide
Concentration: >98% by weight
Other Components: None
Impurities or Stabilizers: No significant impurities expected at >1% concentration
Molecular Weight: 500.20 g/mol
Eyes: Rinse immediately with plenty of water for at least 15 minutes. Remove contact lenses if present and easy to do. Seek medical attention.
Skin: Wash area thoroughly with soap and water. Remove contaminated clothing. If irritation develops, call a physician.
Inhalation: Move to fresh air. If breathing becomes difficult, administer oxygen and seek medical attention.
Ingestion: Rinse mouth. Contact a poison control center or seek medical help immediately.
Most Important Symptoms: Mild irritation to skin, eyes, and mucous membranes. Nausea or headache possible after ingestion.
Suitable Extinguishing Media: Water spray, carbon dioxide, dry chemical powder, foam
Unsuitable Media: Strong water jet
Hazards from Combustion: Emits toxic fumes of phosphorus oxides, bromine compounds, carbon monoxide, carbon dioxide under fire conditions
Protective Equipment for Firefighters: Full protective gear, self-contained breathing apparatus
Firefighting Advice: Move containers from fire area when safe. Avoid inhaling fumes. Keep cool by spraying with water.
Personal Precautions: Evacuate area, avoid breathing dust, use proper personal protective equipment including gloves and mask
Environmental Precautions: Prevent discharge into drains and water sources
Cleanup Methods: Sweep up spills using tools that minimize dust generation. Transfer to a clearly labeled drum for waste disposal. Wash area with water and detergent after cleanup.
Handling: Use in a chemical hood. Avoid creating dust or inhaling vapors. Keep container tightly closed. Avoid contact with skin, eyes, and clothing.
Storage: Store in a cool, dry, well-ventilated area. Keep away from incompatible materials such as strong oxidizing agents and reducing agents. Store in original containers tightly sealed.
Exposure Limits: No specific occupational exposure limits established
Engineering Controls: Use with efficient local exhaust ventilation
Personal Protective Equipment: Approved safety goggles, lab coat, chemical-resistant gloves (nitrile suggested), dust mask or respirator if dust or aerosols create potential for exposure
Hygiene Measures: Wash hands, forearms, and face thoroughly after handling. Remove contaminated clothing and wash before reuse.
Appearance: White to off-white crystalline powder
Odor: Odorless
Melting Point: 200–204°C
Boiling Point: Not available
Solubility: Soluble in water, alcohol
pH: Not determined
Flash Point: Not available
Partition Coefficient (Log Kow): Not available
Vapor Pressure: Negligible at ambient temperatures
Density: Approx. 1.4 g/cm³
Decomposition Temperature: Decomposes above melting point releasing toxic fumes.
Chemical Stability: Stable under normal conditions of storage and handling
Reactivity: Not highly reactive in ambient conditions
Incompatible Materials: Strong oxidizers, strong reducing agents, acids
Hazardous Decomposition Products: Bromine, phosphorus oxides, triphenylphosphine oxide, carbon oxides
Conditions to Avoid: Exposure to moisture, extreme heat, open flames
Acute Toxicity: LD50 (oral, rat): Not available; considered harmful if swallowed
Skin Corrosion/Irritation: May cause irritation to skin
Eye Damage/Irritation: Causes irritation to eyes
Respiratory Sensitization: Not classified
Skin Sensitization: Not classified
Carcinogenicity: Not classified as carcinogen by IARC, NTP, or OSHA
Mutagenicity: Not known to be mutagenic
Repeated Dose Toxicity: Information not available
Other Effects: May cause gastrointestinal upset when ingested; direct contact can aggravate preexisting dermatitis.
Aquatic Toxicity: Data not available; potential hazard for water organisms, avoid discharge to aquatic systems
Degradability: Not readily biodegradable
Bioaccumulation Potential: No evidence of significant bioaccumulation
Soil Mobility: Low mobility expected due to ionic nature and high molecular weight
Other Harmful Effects: Avoid distribution to the environment due to potential risk
Waste Disposal Methods: Dispose in accordance with local, regional, national, and international regulations. Do not pour into drains or allow to reach natural water sources. Use licensed chemical waste disposal contractors.
Container Disposal: Triple rinse empty containers, puncture, and dispose in accordance with local waste management authorities.
Special Precautions: Avoid release to the environment, keep waste containers tightly closed and labeled until disposal.
UN Number: Not classified as hazardous for transport according to international regulations
Proper Shipping Name: Not regulated
Transport Hazard Class: Not classified
Packing Group: Not classified
Environmental Hazard: Avoid transportation with foodstuffs, acids, oxidizers
Special Precautions for User: Ship in secure containers, avoid accidents and spillage during transit
TSCA Status: Listed or complies with TSCA requirements
REACH Status: Not registered, may be exempt depending on use
OSHA Hazard Communication: Meets hazard classification for acute toxicity and irritancy
WHMIS Classification (Canada): D2B - Toxic material causing other toxic effects
Labeling Requirements: GHS pictogram and signal word "Warning", hazard statements, and supplier information
SARA/Title III: Not listed as an extremely hazardous substance
Other National/International Regulations: Subject to chemical control laws in various countries; check applicable national or regional legislative lists for detailed regulations.
