The chemical compound rhodium(III) chloride hydrate, often known as rhodium trichloride hydrate, has the formula RhCl3xH2O. It is an inorganic salt composed of rhodium cations (Rh3+) and chloride anions (Cl-) in the presence of water molecules. The number of water molecules connected with each rhodium(III) chloride unit is represented by the value of x in the formula. In the production of complex organic compounds, rhodium(III) chloride hydrate is utilized as a precursor or catalyst precursor.