Gadolinium chloride is a metallic chloride with a molecular weight of 263.61. It is a white hygroscopic solid, insoluble in water but soluble in inorganic acids. Gadolinium chloride has important applications in several fields: it is used as an additive in nuclear reactor tubes and magnetic refrigeration materials, and it is also a key component in fluorescent materials and single crystal materials. Gadolinium chloride is also used in the manufacture of optical glass, magnetic bubbles, and electronics. Due to its unique chemical properties, gadolinium chloride is also used as a calcium-sensitive receptor agonist and a kupffer cell inhibitor. In the field of scientific research, gadolinium chloride is an indispensable reagent, widely used in biochemical research and materials science.