Sodium carbonate, NaCO, also known as soda ash, is an oxsalt. It can be found naturally or can be synthetic. It is a grayish-white powder or lumps containing up to 99% sodium carbonate. Sodium carbonate is soluble in water. It is not a particularly hazardous materials and is not regulated in transportation by the DOT. The primary uses are in the manufacture of chemical and products, including glass, paper, soaps, cleaning compounds, petroleum refining, and as a catalyst in coal liquefaction