... a non-flammable mixture of phosphine (the toxicant), ammonia and carbon dioxide. Uses of Zinc Phosphide 80% TC Fumigation ... etc.), pulses (peas, beans, lentils, etc.), tobacco, tapioca (roots and flour), oil seeds, expeller cake, nuts, nut kernels, dried fruit ... , coffee beans, cocoa beans, tea, etc.; and in empty warehouses, silos, packing materials, transport containers, etc The ...