KnowraCalcium sulfideLinked fromLinked fromThe 2 pages that link to Calcium sulfide, each with the reason it gives.All 2Related 1Compared with 1Calcium carbideRelated: It is a sulfur-containing product when calcium carbide removes sulfur from iron.Barium sulfideCompared with: CaS is a neighboring Group 2 sulfide with different solubility and industrial behavior.