Ammonium Carbonate is a salt that is used to revitalize someone who has fainted. It can also be used as a substitute for Ammonium bicarbonate. There are some benefits of ammonium carbonate: when it is used in the food, the dough will not rise until it undergoes heat, so you can prepare the dough appropriately. Moreover, it provides a fantastic crispness to the food that no other agent can give. This salt is irritating and harmful to the eyes and skin. If it gets in contact with them then thorough rinsing should be done to clear the area.