Calcium chloride is an inorganic salt,with different crystallized water contents, it can be dihydrate or anhydrous. Product name: calcium chloride 74% min Flakesalcium chloride(CaCL2)%>74%; magnesium and alkali metals chloride (calculated by sodium chloride)% <4.5%; water insoluble%<0.1%; alkalinity(Ca(OH)2)%<0.35%; sulfate (calculated by CaSO4)%<0.1%; PH value 8-10. Calcium Chloride 74% Flakes