In our country, it exists a lot of postharvest losses caused by inadequate handling of perishable products. The mango, a very important fruit for exportation, has similar problems and it is necessary to solve them. This study was carry out in order to determine the incidence of CaCl2 in the maintenance of the mango variety Tommy Atkinsstored at 1O°C and 90% R.H. lt was lound that the fruit treated with a solution of 15% of CaCl2 reached the best devolpement of its phycochemical characteristics of pH, brix and acidity and its madurity process was complete.