Tributyltin chloride is an organotin compound with the formula (C4H9)3SnCl.

It is a colorless liquid that is soluble in organic solvents.

The compound is prepared by a redistribution reaction by combining stannic chloride and tetrabutyltin: Tributyltin chloride hydrolyzes to the oxide [(C4H9)3Sn]2O Tributyltin chloride is used as a precursor to other organotin compounds[1] and reagents, such as tributyltin hydride.