Donau Chemie AG is an Austrian chemical group headquartered in Vienna. The company operates manufacturing and distribution businesses across Central and Eastern Europe, with key production sites in Austria (including Brückl), supplying industrial and municipal customers.
Its portfolio includes chlor-alkali products (chlorine, caustic soda, hydrogen, hydrochloric acid, sodium hypochlorite), water and wastewater treatment chemicals and services, activated carbon and purification solutions, and the distribution of industrial and specialty chemicals via affiliated trading units. Donau Chemie serves end markets such as water utilities, pulp and paper, food and beverage, pharmaceuticals, metal processing, and other process industries.