© 2026 Sinochem Nanjing Corporation,
All Right Reserved
Product Name: Tetraphenyltin
Synonyms: Tetraphenylstannane
Chemical Formula: Sn(C6H5)4
Molecular Weight: 563.1 g/mol
CAS Number: 595-90-4
Recommended Use: Used in organic synthesis, catalyst applications, research labs
Manufacturer Contact: Refer to supplier or manufacturer specific information for local regulatory contacts, emergency support numbers, and point-of-contact details
GHS Classification: Acute toxicity (oral, dermal, inhalation); Specific target organ toxicity
GHS Label Elements: Signal word: Warning; Hazard statements: Harmful if swallowed, Causes skin irritation, May cause respiratory irritation, Suspected of causing genetic defects
Hazard Symbols: Exclamation mark
Potential Health Risks: Irritation to eyes, skin, and respiratory tract; Risk of systemic toxicity on prolonged exposure; Chronic exposure may impact liver and kidneys
Environmental Hazard: Toxicity towards aquatic organisms, potential long-term adverse effects in aquatic environments
Routes of Exposure: Ingestion, inhalation, skin contact, eye contact
Target Organs: Liver, kidneys, central nervous system
Substance: Tetraphenyltin
Chemical Identity: Sn(C6H5)4; CAS 595-90-4
Purity: Typically available at >97%, trace impurities depend on supplier batch
Other Ingredients: None in pure form; preparation batches should be checked for solvents, by-products
General Advice: Move victim to fresh air, remove contaminated clothing, avoid contact with any spilled product
Inhalation: Remove person from the contaminated area, keep at rest, seek medical attention if symptoms persist
Skin Contact: Wash skin with soap and plenty of water for at least 15 minutes, remove contaminated garments, seek medical advice for irritation
Eye Contact: Rinse eyes thoroughly with plenty of water for at least 15 minutes, lift eyelids occasionally, seek medical support for ongoing discomfort
Ingestion: Do not induce vomiting, rinse mouth with water, seek immediate medical advice, never give anything by mouth to an unconscious person
Suitable Extinguishing Media: Use dry chemical powder, carbon dioxide, or foam; water spray can be used to cool containers not directly involved in the fire
Unsuitable Media: Avoid direct streams of water on burning material due to risk of splattering or increased reactivity
Fire Hazards: Decomposition may release irritating or toxic fumes of tin oxides and hydrocarbons
Protective Equipment: Wear self-contained breathing apparatus, full protective gear, consider evacuation in case of large fire
Firefighting Precautions: Move containers from fire area if it can be done safely, use water to keep containers cool, avoid inhaling combustion products
Personal Precautions: Use adequate personal protective equipment including gloves, goggles, respirator
Environmental Precautions: Prevent further leakage or spillage if safe, do not let product enter drains or watercourses, isolate spill from sewer outlets
Methods for Containment: Stop leak if safe to do so, absorb spilled material with inert material like sand or vermiculite
Clean Up Procedure: Sweep up, place in sealed container for disposal according to regulations, ventilate area and wash spill site after material pick-up is complete
Handling: Avoid breathing dust, avoid contact with skin, eyes, clothing; use only in well-ventilated areas, keep away from sources of ignition
Hygiene: Wash thoroughly after handling, do not eat, drink or smoke while using the material, maintain good laboratory practice
Storage: Store in tightly closed containers in a cool, dry, well-ventilated place
Storage Temperature: Recommended range: 2–8°C, keep away from incompatible substances such as acids and strong oxidizers
Special Storage Conditions: Protect from light, moisture, physical damage
Engineering Controls: Work in a chemical fume hood or use local exhaust ventilation to minimize exposure
Personal Protective Equipment: Safety goggles, chemical-resistant gloves (nitrile, neoprene), lab coat, suitable respiratory protection under dusty conditions
Occupational Exposure Limits: No specific limits established for tetraphenyltin; for organotin compounds, consult national guidelines (as low as reasonably achievable)
Respiratory Protection: Use NIOSH-approved respirator if dust or aerosol is generated
Environmental Exposure Controls: Prevent release into the environment, use appropriate containment to avoid environmental contamination
Appearance: White or off-white crystalline powder
Odor: Odorless
Boiling Point: Decomposes before boiling
Melting Point: 228–230°C
Solubility: Insoluble in water; soluble in organic solvents such as benzene, toluene, chloroform
Vapor Pressure: Not significant at room temperature
Density: Approximately 1.37–1.40 g/cm3
Flash Point: Not applicable (solid material)
Partition Coefficient (log Kow): Estimated >5 (high potential for bioaccumulation)
Other Properties: Stable under normal laboratory conditions; can form hazardous decomposition products with heat
Chemical Stability: Stable under room temperature and dry conditions
Conditions to Avoid: Excessive heat, open flames, moisture, incompatible chemicals
Incompatible Materials: Strong oxidizing agents, acids, halogens
Hazardous Decomposition Products: Tin oxides, phenyl derivatives, carbon monoxide, carbon dioxide
Polymerization: Hazardous polymerization will not occur
Acute Toxicity: Harmful if swallowed; animal studies indicate oral LD50 values in range 270 mg/kg in rats
Skin Contact: May cause irritation, redness, dermatitis
Eye Contact: Causes irritation, redness, tearing
Inhalation: May cause respiratory tract irritation, coughing, dizziness
Chronic Exposure: High doses or long-term exposure may affect liver, kidneys, central nervous system
Sensitization: Not recognized as a sensitizer; monitor for skin allergies with repeated contact
Carcinogenicity: Not listed as carcinogenic by IARC, NTP, or OSHA
Mutagenicity / Reproductive Toxicity: Limited evidence from animal studies, insufficient human data
Aquatic Toxicity: Toxic to aquatic organisms, may cause long-lasting harmful effects in aquatic environments
Persistence and Degradability: Expected to persist in the environment, slow breakdown
Bioaccumulation Potential: High due to its hydrophobicity and stability
Mobility in Soil: Low; likely to adsorb to soil and sediments
Other Ecotoxicological Advice: Avoid release to the environment, do not discharge into drains or surface water
Disposal Methods: Dispose through a licensed chemical waste disposal contractor, do not mix with household waste
Contaminated Packaging: Treat as hazardous waste, clean or destroy in line with local regulations
Special Cautions: Prevent leaching of residues into surface water or ground water systems, comply with all local, state and federal regulations
UN Number: Not regulated for transport by major agencies (IATA, IMDG, DOT) as hazardous material in most jurisdictions
Proper Shipping Name: Tetraphenyltin
Transport Hazard Class: Not classified
Packing Group: Not assigned
Environmental Hazards: Not labeled as a marine pollutant by IMDG; must avoid uncontrolled release
Special Precautions for Transport: Protect package from moisture and heat, ensure packaging prevents leaks and environmental contamination, keep materials away from food and feed items
US TSCA Inventory: Listed
REACH Status (EU): Check registration and usage restrictions
OSHA Hazard Communication: Regulated as hazardous chemical due to acute toxicity and specific organ toxicity
SARA 313: Not specifically listed, organotin compounds may be subject to reporting depending on use and thresholds
Other National Regulations: Observe local, state, and international regulations relevant to workplace control and environmental protection
