First Uses of the Periodic Table Element – Chlorine

First Uses of the Periodic Table Element - Chlorine. The Evolution of Chlorine: From Revolutionary Disinfectant to Obsolete Application. Chlorine, one of the most widely used chemical elements, was once hailed as a groundbreaking solution for various industrial and domestic needs. Its first applications in areas like water disinfection and warfare revolutionized hygiene practices and military strategies. However, evolving knowledge about chlorine's potential hazards and the development of more effective alternatives have since rendered it obsolete for many of its initial uses. This article delves into the early applications of chlorine and explores why it is no longer favored for those purposes.