Sodium carbonate, also called Soda Ash or washing soda is a sodium salt of carbonic acid. It is of the chemical formula( Na2CO3 ). Dense Soda Ash is a white, odorless, uniform product, free from dirt and other foreign matter. It is commercially produced synthetically, from salt (sodium chloride) and limestone by a method known as the Solvay process. Although there are other processes to produce Soda Ash, Solvay process is the most preferred, owing to its economic viability. Soda Ash Dense is dehydrate and is costlier compared to soda ash light. It is generally produced both in Europe and USA.