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Yttrium is a chemical element with symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a "rare earth element"
Y 1400 (OTTO) Yttrium, ingots, 95%+ Cas 7440-65-5 - used as a common starting material for material science and for producing other compounds of yttrium.