Placard: DWW4

Corrosive liquids, water-reactive, n.o.s

Chlorosilanes, water-reactive, flammable, corrosive, n.o.s

Cesium or Caesium

Cerium, turnings or gritty powder

Cells, containing sodium

Calcium silicide

Calcium silicide

Calcium phosphide

Calcium manganese silicon

Calcium hydride