Calcium chloride
![](/Images/godic/202502/04/Kristallstruktur_Calciumchlorid2449.png")
![](/Images/godic/202502/04/Calcium_chloride_CaCl22449.jpg")
![Flame test of CaCl2.](/Images/godic/202502/04/Flame_Test_Ca2449.jpg")
![Bulk of CaCl2 for deicing in Japan.](/Images/godic/202502/04/Cacl2_storage_for_winter_road_in_japan2449.jpg")
Calcium chloride are inorganic compounds with the chemical formula CaCl2(H2O)x, where x = 0, 1, 2, 4, and 6. All of these salts are a highly soluble in water. They are mainly used for deicing and dust control. Because the anhydrous salt is hygroscopic, it is used as a desiccant.