Dibutyl(dichloro)stannane

Dibutyl(dichloro)stannane is an organotin compound with the molecular formula C8H18Cl2Sn and CAS number 683-18-1. This chemical substance has a molecular weight of 303.84 g/mol and belongs to the class of dialkyltin dichlorides. It is classified as highly hazardous with multiple danger classifications including mutagenicity, reproductive toxicity, and acute toxicity. The compound requires careful handling due to its significant health and environmental risks.

Dibutyl(dichloro)stannane is typically a colorless to pale yellow liquid at room temperature with a characteristic organotin odor. The compound has limited solubility in water but dissolves well in organic solvents such as alcohols and hydrocarbons. It is sensitive to moisture and can hydrolyze in the presence of water, forming corresponding tin oxides and hydrochloric acid. The substance should be protected from light and stored under inert conditions.

Dibutyl(dichloro)stannane is primarily used as an intermediate in the synthesis of other organotin compounds and as a catalyst in various chemical reactions. It serves as a precursor for producing dibutyltin-based stabilizers used in PVC processing and other polymer applications. The compound is also utilized in organic synthesis reactions, particularly in cross-coupling reactions and as a Lewis acid catalyst in specialized industrial processes requiring tin-based chemistry.

Dibutyl(dichloro)stannane requires extensive personal protective equipment including chemical-resistant gloves, safety goggles, face shield, and respiratory protection. Work must be conducted in a well-ventilated area or under fume hood due to its acute toxicity and corrosive properties. Avoid skin contact, inhalation, and ingestion completely. Use appropriate chemical-resistant clothing and ensure emergency shower and eyewash stations are readily accessible. Only trained personnel should handle this substance.

Dibutyl(dichloro)stannane must be stored in tightly sealed, chemically compatible containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Keep containers away from moisture, strong bases, and oxidizing agents to prevent dangerous reactions. Storage areas should be equipped with appropriate containment systems and restricted to authorized personnel only. Maintain storage temperatures as recommended by the manufacturer and ensure proper labeling.

Dibutyl(dichloro)stannane contact requires immediate emergency response due to its corrosive and toxic nature. For skin contact, immediately remove contaminated clothing and flush with copious amounts of water for at least 15 minutes. In case of eye contact, rinse thoroughly with water for at least 15 minutes while holding eyelids open. If inhaled, move to fresh air immediately. Seek immediate medical attention for all exposure routes and provide safety data sheet to medical personnel.

Dibutyl(dichloro)stannane disposal must comply with local, national, and EU hazardous waste regulations due to its classification as dangerous substance. The waste should be collected in appropriate containers and disposed of through licensed hazardous waste disposal companies. Incineration at high temperatures in specialized facilities is typically required. Never dispose of this substance through normal waste streams, sewerage systems, or by pouring onto the ground. Consult local environmental authorities for specific disposal requirements.

Dibutyl(dichloro)stannane is classified under ADR Class 6.1 (Toxic substances) Packing Group II, requiring specialized dangerous goods transportation procedures. Packages must comply with ADR packaging instructions and bear appropriate hazard labels and markings. Transportation requires proper documentation, trained drivers with ADR certification, and emergency response information. Vehicles must be equipped with appropriate safety equipment and follow designated dangerous goods routes according to European transport regulations.

Dibutyl(dichloro)stannane is subject to comprehensive European chemical regulations including REACH registration requirements and CLP classification obligations. As a reproductive toxin Category 1B and mutagen Category 2, it faces strict handling and use restrictions. The substance requires safety data sheets, proper labeling with danger pictograms (GHS05, GHS06, GHS08, GHS09), and compliance with occupational exposure limits. Users must implement risk management measures and report downstream use according to REACH requirements.

Dibutyl(dichloro)stannane is available through OYSI, a specialized European distributor of technical chemicals serving industrial customers across Europe. As a regulated dangerous substance, it requires proper authorization and qualification verification before purchase. OYSI provides comprehensive technical support, regulatory compliance documentation, and safe packaging solutions. Contact OYSI directly to discuss availability, technical specifications, regulatory requirements, and delivery options for your specific industrial application needs.