Methylenebis(dibutyldithiocarbamate) is the organosulfur compound with the formula CH2(SC(S)NBu2)2 (Bu = C4H9).

It is a derivative of dibutyldithiocarbamate that is used as an additive to various lubricants, both as an antioxidant and a preservative for metal surfaces.

[1] It is prepared by alkylation of the dithiocarbamate with dichloromethane.

[2] Although it is described as colored, simple esters of dithiocarbamate are typically colorless.

[3]