Methyl dimethyldithiocarbamate is the organosulfur compound with the formula (CH3)2NC(S)SCH3.

It is the one of simplest dithiocarbamic esters.

It is a white volatile solid that is poorly soluble in water but soluble in many organic solvents.

It was once used as a pesticide.

Methyl dimethyldithiocarbamate can be prepared by methylation of salts of dimethyldithiocarbamate:[1] It can also be prepared by the reaction of a tetramethylthiuram disulfide with methyl Grignard reagents:[2]