https://www.hsgmetal.com/products/indium-ingot/ Indium Ingot Buy high-purity indium ingots(CAS 7440 74 6) at a reasonable price at HSG Metal! An Indium Ingot is a solid piece of indium, a soft, malleable, and ductile metal with a silvery-white appearance. Indium, with the chemical symbol In and a molecular weight of 114.82, is commonly used in various industrial applications due to its unique properties.