© 2026 Sinochem Nanjing Corporation,
All Right Reserved
Substance Name: Dibutyltin Dilaurate
Chemical Formula: C32H64O4Sn
CAS Number: 77-58-7
Usage Profile: Curing catalyst, heat stabilizer for PVC, silicone elastomer catalyst
Physical State: Oily liquid
Color and Odor: Colorless to pale yellow with a faint odor
Common Occupations Facing Exposure: Plastic manufacturing workers, formulators in coatings and adhesives, silicone rubber handlers
GHS Classification: Acute toxicity (oral, dermal, inhalation), skin and eye irritant, reproductive toxin
Pictograms: Skull and crossbones, exclamation mark, health hazard
Routes of Exposure: Skin contact, inhalation of vapors, accidental ingestion
Short-term Risks: Eye redness, irritated skin, headache, dizziness, coughing
Long-term Risks: Organ toxicity, potential impact on fertility, risks to fetal development, respiratory sensitization
Occupational Danger: Everyday misuse, splash or spill, or careless decanting creates hazards that don’t always announce themselves right away
Main Component: Dibutyltin Dilaurate (typically >95%)
Impurities: Trace mixed organotin derivatives, residual solvents from manufacturing
Additives: Often handled pure; some formulations blend with carriers or stabilizers depending on application, which modifies protective measures
Eye Contact: Immediate rinsing under gentle water flow for at least 15 minutes
Skin Contact: Quick removal of contaminated clothing, washing with plenty of soap and water
Inhalation: Move to fresh air, loosen tight clothing, medical assessment if symptoms persist
Ingestion: Rinse mouth, never try to induce vomiting, immediate medical attention is standard
Delayed Effects: Not all symptoms show up right after an incident; seeking medical follow-up matters for chemical exposures
Suitable Extinguishing Media: Dry chemical, foam, CO2, use water spray for cooling but not for extinguishing
Combustion Byproducts: Flammable vapors, toxic fumes including oxides of tin, carbon monoxide, carbon dioxide
Special Hazards: Dense smoke possible, pressurized containers near fire risk rupture
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective gear
Personal Precautions: Use chemical-resistant gloves, goggles, proper respirator
Ventilation: Ensure open windows, exhaust fans, minimize vapor buildup indoors
Containment: Sand or inert absorbent, shovel into labeled drum, never flush to drain
Environmental Precautions: Prevent entry into water systems, soil, or confined spaces
Clean-up Method: Work from upwind edge, avoid direct exposure, ensure no residual slick remains
Disposal: Label all waste streams clearly for hazardous removal
Handling Practices: Use with local exhaust, avoid splashing, cap containers tightly after each use, never eat or drink in work area
Storage Conditions: Cool, well-ventilated area, away from strong acids or oxidizers; store only in compatible containers
Incompatible Materials: Acids, bases, oxidants, organic peroxides increase hazards and reduce shelf stability
Special Advice: Post reminders for PPE near workstations, rotate stock regularly to avoid old, unstable product
Control Measures: Local exhaust ventilation, general dilution ventilation in larger shops
Recommended PPE: Nitrile or neoprene gloves, chemical splash goggles, face shield, protective lab coat
Respiratory Protection: Organic vapor cartridge respirators if airborne levels approach limits
Exposure Limits: Occupational exposure limit values (TLV, PEL) exist for organotins, employers should monitor regularly
Decontamination: Shower and change clothes at shift end, avoid taking contaminated gear home
Appearance: Oily, viscous liquid
Boiling Point: Over 200°C
Melting Point: Below room temperature, remains liquid year-round in temperate climates
Vapor Pressure: Low, but sufficient to require ventilation
Solubility: Miscible in most organic solvents, nearly insoluble in water
Density: Heavier than water, causes pooling on surfaces and waterways
Odor Threshold: Detectable at low concentrations, but doesn’t warn reliably of overexposure
Chemical Stability: Stable in sealed containers under cool, dry conditions
Hazardous Reactions: Risk increases near acids, oxidizers; decomposition under heat or sunlight, releasing hazardous fumes
Polymerization: Will not occur under standard use, but uncontrolled mixing with silicone compounds triggers rapid reactions
Degradation Byproducts: Organotin compounds, lauric acid, toxic metal smoke in fires
Acute Effects: Irritation to eyes, skin, throat; headaches, shortness of breath, nausea with overexposure
Chronic Exposure: Evidence links repeated handling to immune suppression, reproductive issues, possible kidney and liver injury
Sensitization: Repeated skin contact increases risk of allergic dermatitis
Special Populations: Pregnant workers and those with asthma face higher vulnerability
Scientific Consensus: Studies from chemical hazard agencies point toward minimizing any regular exposure to organotins, supporting calls for greater automation and enclosed systems where feasible
Aquatic Toxicity: Highly toxic to fish, aquatic invertebrates, affects reproduction and growth in exposed species
Bioaccumulation Factor: Organotin compounds linger in sediments and fat tissues, accumulating up the food chain
Soil Mobility: Binds rapidly to soil particles, but leaching into groundwater happens in sandy terrains
Persistence: Does not break down easily; long-term contamination risk for waterways and agricultural land
Remediation: Many cleanups rely on physical removal, as burning or dilution offer little benefit without spreading risk elsewhere
Waste Handling: Treat all waste as hazardous—never pour leftovers into municipal systems
Container Rinsing: Clean containers with compatible organic solvents, collect rinsates as hazardous waste
Preferred Disposal Method: High-temperature incineration specifically designed for organotin destruction
Professional Services: Specialized chemical waste contractors recommended for any significant volume or spill
Legal Framework: Generators remain liable for final disposition, underscoring importance of paperwork and licensed carriers
Transport Classification: Often regulated under international dangerous goods codes
Packing Requirements: Corrosion-resistant drums, robust seals, clear hazard labeling
Hazard Labels: Toxic, environmentally hazardous—both required on outer packaging
Incident Response: Transport workers need quick access to PPE and emergency instructions
Spill Protocol: Immediate containment, traffic diversion, reporting to environmental authorities for clean-up oversight
Governing Laws: Covered under workplace health & safety acts in most developed countries, strict limits on workplace inhalation and dermal exposure
REACH Registration: Listed as a substance of very high concern in Europe under the REACH regime
United States Rules: EPA maintains TSCA reporting on quantities produced or imported annually
Restrictions on Use: Some consumer products ban organotins entirely, while industrial exemptions grow stricter each year
Worker Rights: Training and exposure monitoring remain fundamental legal requirements, putting pressure on plant managers to keep up with new guidelines
