Tributyl(chloro)stannane

Tributyl(chloro)stannane is an organotin compound with the molecular formula C12H27ClSn and CAS number 1461-22-9. This chemical substance has a molecular weight of 325.5 g/mol and belongs to the family of tin-organic compounds. It is classified as a dangerous substance with multiple hazard classes including reproductive toxicity (Repr. 1B), acute toxicity, and specific target organ toxicity. The compound requires careful handling due to its significant health and environmental hazards.

Tributyl(chloro)stannane is typically a colorless to pale yellow liquid at room temperature with a characteristic organometallic odor. The compound has limited solubility in water but is generally soluble in organic solvents such as alcohols, ethers, and hydrocarbons. Its molecular structure consists of a tin atom bonded to three butyl groups and one chlorine atom, giving it both organophilic and electrophilic properties that influence its reactivity and applications.

Tributyl(chloro)stannane is primarily used as a catalyst and reagent in organic synthesis, particularly in radical reactions and coupling processes. It serves as an important intermediate in the production of other organotin compounds and finds applications in polymer chemistry as a catalyst for polymerization reactions. The compound is also utilized in research laboratories for specialized synthetic transformations. Due to its toxicity profile, its use is restricted to professional and industrial applications with appropriate safety measures.

Tributyl(chloro)stannane requires strict safety protocols due to its classification as Acute Tox. 3/4 and STOT RE 1. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and respiratory protection in well-ventilated areas or under fume hoods. Avoid skin and eye contact, and prevent inhalation of vapors. Work in designated areas away from ignition sources, and ensure emergency shower and eyewash facilities are accessible. Regular health monitoring may be required for occupational exposure.

Tributyl(chloro)stannane must be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Storage should be in designated chemical storage areas with appropriate containment measures for potential spills. The compound should be kept away from oxidizing agents, acids, and water to prevent unwanted reactions. Temperature-controlled storage may be necessary to maintain stability, and containers should be regularly inspected for integrity.

Tributyl(chloro)stannane exposure requires immediate action due to its acute toxicity and irritant properties. For skin contact, immediately remove contaminated clothing and wash affected area with plenty of soap and water for at least 15 minutes. In case of eye contact, rinse thoroughly with water for 15 minutes and remove contact lenses if present. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting. Seek immediate medical attention for all exposure routes.

Tributyl(chloro)stannane disposal must comply with local and international hazardous waste regulations due to its toxicity and environmental hazards (Aquatic Acute 1). The compound cannot be disposed of in regular waste streams and requires specialized hazardous waste treatment. Contact licensed waste disposal companies for proper collection and treatment. Small quantities should be neutralized or treated according to established protocols before disposal. Documentation of disposal methods and quantities may be required for regulatory compliance.

Tributyl(chloro)stannane is classified under ADR Class 6.1 (toxic substances) Packing Group III for transportation purposes. It must be packaged in UN-approved containers with appropriate labeling including GHS pictogrammes (GHS06, GHS08, GHS09) and the danger signal word. Transport documents must include proper shipping names, hazard classes, and emergency response information. Vehicles must carry appropriate emergency equipment, and drivers require hazardous materials certification. Temperature control during transport may be necessary.

Tributyl(chloro)stannane is subject to comprehensive chemical regulations including REACH registration requirements in Europe and CLP classification obligations. As a reproductive toxicant (Repr. 1B) with multiple hazard classifications, it may face restrictions on use and marketing. The compound requires safety data sheets, hazard labeling, and exposure scenario documentation. While not currently listed as SVHC, its hazard profile means it could face future regulatory restrictions. Users must comply with occupational exposure limits and reporting requirements.

Tributyl(chloro)stannane is available through OYSI, a specialized European distributor of technical chemicals serving industrial and research customers. OYSI provides comprehensive regulatory documentation, safety data sheets, and technical support for this controlled substance. Due to the compound's hazard classification and regulatory requirements, purchases are restricted to qualified professional users with appropriate handling capabilities. Contact OYSI's technical team for availability, specifications, and regulatory compliance support for your specific application requirements.