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Product Name: Fenbutatin Oxide
Chemical Name: Bis(tri-n-butyltin) oxide
Other Names: Hexabutyldistannoxane
CAS Number: 13356-08-6
Recommended Use: Acaricide for agriculture and horticulture
Manufacturer: [Contact details provided in printed MSDS]
Emergency Phone: [Emergency contact provided in printed MSDS]
Form: Off-white solid, powder, or crystalline
Odor: Slight, sweet
Synonyms: TBTO, Tin oxide bis(tri-n-butyl-), Fenbutatin oxide
Hazard Classification: Toxic, Environmental hazard, Harmful if swallowed or inhaled, Causes skin and eye irritation, Suspected carcinogen
Label Elements: Pictograms: Skull and Crossbones, Exclamation, Environment
Signal Word: Danger
Hazard Statements: May cause damage to organs through prolonged or repeated exposure, May be fatal if swallowed and enters airways, Very toxic to aquatic life, Causes serious eye irritation
Precautionary Statements: Avoid contact during use, Use protective equipment, Prevent release to environment, Do not breathe dust, Wash thoroughly after handling
Chemical Name: Bis(tri-n-butyltin) oxide
Common Name: Fenbutatin Oxide
CAS Number: 13356-08-6
Concentration: 98% or higher
Impurities: May contain trace organotin byproducts and stabilizers
Additives: Nonionic surfactants, emulsifiers, or wetting agents possible in formulated products
Inhalation: Move person to fresh air immediately, keep at rest in position comfortable for breathing, seek medical attention if symptoms appear
Skin Contact: Take off contaminated clothing, rinse skin under running water for at least 15 minutes, use soap as needed, get medical help if irritation develops
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing, seek prompt medical attention
Ingestion: Rinse mouth, never give anything by mouth if unconscious, do not induce vomiting, call poison control or physician right away
Most Important Symptoms/Effects: Respiratory distress, stomach upset, eye redness, skin itching or rash, dizziness, headache
Notes for Physicians: Treat symptomatically, monitor for delayed effects, provide supportive care, advise observation for at least 24 hours after exposure
Suitable Extinguishing Media: Dry chemical, CO₂, foam, water spray
Unsuitable Media: Direct water jet, which may spread fire
Hazards from Combustion: Toxic fumes including CO, CO₂, tin oxides, organic vapors, may release irritating and hazardous smoke
Protective Equipment for Firefighters: Self-contained breathing apparatus (SCBA), full protective suit, avoid breathing combustion products
Special Procedures: Move containers from area if safe, cool containers with water spray, prevent run-off from entering drains or watercourses
Personal Precautions: Evacuate area, ventilate space, wear appropriate personal protective equipment (PPE) such as gloves, goggles, respirator
Environmental Precautions: Prevent spillage from entering soil, sewers, or waterways, notify authorities if contamination occurs
Methods for Cleanup: Sweep or scoop into labeled, sealed containers, avoid dust formation, use absorbent for residues, dispose as hazardous waste
Decontamination: Wash spill area thoroughly with detergent and water, collect washings for disposal
Disposal: Follow local regulations, handle as hazardous chemical waste, do not reuse containers
Safe Handling: Handle only in well-ventilated areas, avoid dust generation, prevent skin and eye contact, wash hands and exposed skin after handling
Food/Feed Separation: Store away from animal feed, food, drinking water, and incompatible chemicals
Storage Conditions: Keep containers tightly closed and upright, store in dry, cool, well-ventilated space, protect from direct sunlight and moisture
Incompatibles: Strong acids, strong bases, oxidizing agents, heat sources
Packaging Materials: Use original approved containers, secure against rupture or leakage, do not use steel or metal drums unless lined
Occupational Exposure Limits: No U.S. OSHA PEL; ACGIH TLV for organotin compounds: 0.1 mg/m³ (as Sn), keep below recommended limits
Engineering Controls: Use local exhaust ventilation, safety showers, eye wash stations
Personal Protective Equipment: Chemical resistant gloves (nitrile, neoprene), safety goggles or face shield, long-sleeve lab coat, full-face respirator with organic vapor/particulate filter for heavy exposures
Hygiene Measures: Wash hands before eating or drinking, do not smoke during use, do not wear contaminated clothing at home, launder clothing before re-use
Appearance: Off-white to greyish-white solid, crystalline powder
Molecular Formula: C24H54OSn2
Molecular Weight: 596 g/mol
Odor: Faint, sweetish
Melting Point: 105-106°C
Boiling Point: Decomposes before boiling
Solubility: Practically insoluble in water, soluble in organic solvents including acetone, toluene, chloroform
Vapor Pressure: < 1 x 10⁻⁵ mmHg at 20°C
pH: Not applicable
Partition Coefficient (log Kow): 5.3 (highly lipophilic)
Flash Point: >110°C
Evaporation Rate: Not available
Auto-ignition Temperature: Not determined
Chemical Stability: Stable under recommended storage and handling, may degrade under strong heat or light
Incompatible Materials: Strong oxidizers, acids, bases, sources of ignition
Conditions to Avoid: Elevated temperatures, moisture, sunlight, static discharge
Decomposition Products: Carbon oxides, tin oxides, toxic organic vapors, hydrogen chloride may form under fire
Hazardous Polymerization: Does not occur
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity (Oral): LD50 (rat) 1100 mg/kg
Acute Toxicity (Dermal): LD50 (rat) > 2000 mg/kg
Aspiration Hazard: May be fatal if swallowed and enters airways
Skin Corrosion/Irritation: Moderate irritation possible
Eye Damage/Irritation: Moderate to severe eye irritation, risk of permanent damage
Respiratory Sensitization: Possible allergic reaction, coughing, difficulty breathing on repeated exposure
Chronic Effects: May cause irreversible damage to nervous system, liver, immune system with prolonged exposure
Carcinogenicity: Not listed by IARC, NTP, or OSHA, but suspected due to organotin nature
Reproductive Toxicity: Suspected based on organotin studies
Mutagenicity: Data not conclusive, caution advised
Ecotoxicity: Highly toxic to fish and aquatic invertebrates, LC50 (rainbow trout) 1 mg/L (96 h), effect likely at very low concentrations
Persistence and Degradability: Persistent in soil and water, resists degradation over seasons
Bioaccumulative Potential: Log Kow over 5 indicates high potential for accumulation in aquatic and terrestrial organisms
Mobility in Soil: Low water solubility, tends to bind strongly to organic matter and sediments
Other Harmful Effects: Long-term adverse effects in aquatic environments, potential hazard to birds and mammals if chronically exposed
Disposal Methods: Treat as hazardous chemical waste, incinerate in licensed facility, avoid landfill where possible
Container Disposal: Do not reuse, triple-rinse empty containers, render container unusable, follow local requirements for hazardous packaging
Environmental Cautions: Prevent contamination of water, soil, and food/feedstuffs during disposal, contact licensed hazardous waste disposal contractor
Legal Requirements: Must follow federal, state, and local environmental regulations, recordkeeping for disposal mandatory in many jurisdictions
UN Number: 2788
UN Proper Shipping Name: Organotin Pesticide, Solid, Toxic
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: II (medium danger)
Labels: Toxic, Environmentally Hazardous Substance
Environmental Hazard: Marine pollutant
Special Transport Precautions: Secure containers, prevent spillage during transport, follow national and international transport regulations
Regulatory Agency Guidelines: Comply with ADR, IMDG Code, ICAO/IATA, and national road regulations for toxic and environmental hazardous substances
TSCA Status (USA): Listed
RCRA Status: Hazardous waste if discarded
FIFRA (USA): Registered pesticide, use must follow label restrictions
SARA 313: Subject to reporting under Toxics Release Inventory
European Union (Regulation): Not approved under current EU biocidal and pesticide regulation
Other International: Covered by Rotterdam Convention, banned in several countries for environmental concerns
Worker Protection: Use addressed under workplace safety laws such as OSHA, PPE and training required
Community Right-To-Know: Facilities using must notify local emergency planning committees
