also called ethylenebis (dithiocarbamic acid) zinc salt, (CH₂NHCSS)₂Zn. Zineb, in the form of 0.3–0.5-percent aqueous suspensions, is used against the causative agents of plant fungal diseases, such as grape mildew, apple and pear scab, and phytophthora of potato and tomato. It is mildly toxic to man and animals.