... :NH4CLM.W.:53.49(According to International Atomic Weight in 1995)Specifications:The product accords with the National Standard of ... 1.532(17 )easily absords moisture, and forming a cake, soluble in water, and the solubility varies as the temperature increases, ... gravity1.532(17 ), easily absorbs moisture, and forms a cake, soluble in water, and the solubility varies as the temperature increases, ...