Tetrabutyltin

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Tetrabutyltin

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Molar mass	Template:Chem molar mass
Appearance	Colourless liquid
Density	1.054 g/cm3
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Solubility	non-polar solvents such as benzene, ether, or THF
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Tetrabutyltin is the organotin compound with the molecular formula Template:Chem2 or Template:Chem2, where Bu is butyl Template:Chem2. Sometimes abbreviated TTBT, it is a colorless, lipophilic oil.

Tetrabutyltin is a precursor to tributyltin and dibutyltin compounds. By the redistribution reaction with tin(IV) chloride it forms tributyltin chloride and dibutyltin chloride. These compounds are starting materials for a wide range of organotin compounds used as stabilizers for PVC and as biocides, fungicides, wood preservatives, and (historically) marine anti-biofouling agents.