Also Called: Dibutyltin-bis(thioalkanes) and dibutyltin-bis(thiocarboxylic acid alkyl esters) (alkyl chain even-numbered, branched or linear, number of C-atoms >=8, with alpha-thioglycolic acid or alpha/beta-mercaptopropionic acid) (content of tributyltin <0.1%);Dibutylzinn-Verbindungen