... involved in a fire. Incompatible with moisture, water, strong oxidizing agents, alcohols, hydrogen chloride, magnesium.4 ... brown or black solid, purple with a high calcium carbide 6. Uses field of Calcium ... For the production of acetylene gas, PVC, lime nitrogen, dicyandiamide, iron and steel desulfurization agent ... a teaching kit 7. China supplier of Calcium Carbide: Calcium Carbide suppliers in China