Sodium Carbonate, also known as Natron (6 letters) and Trona (5 letters), is an inorganic compound with the chemical formula Na2CO3. It is a white, odorless powder that is highly soluble in water and has many uses in industry. It is used in the production of glass, paper, detergents, and soap, and is also used as a food additive. It is also used in the production of baking soda, which is a common household product.