This page is no longer active. In October 2019, Versum Materials was acquired by Merck KGaA, Darmstadt, Germany. Versum is a best-in-class electronic materials company providing high-purity chemicals and gases, delivery systems, services and materials expertise to meet the evolving needs of the global semiconductor, display and LED markets. Derived from the Latin word for “toward,” the name “Versum” (pronounced ver-SOOM) communicates the company’s deep commitment to helping customers move toward the future by collaborating, innovating and creating cutting-edge solutions. A global leader in technology, quality, safety and reliability, Versum is one of the world’s largest suppliers of next-generation CMP slurries, ultra-thin dielectric and metal film precursors, formulated cleans and etching products, and delivery equipment that has revolutionized the semiconductor industry. Prior to 2016, Versum Materials operated for more than three decades as a division of Air Products.