Tags: Chemical Compound, Chemical Substance.
Ruthenium(III) chloride is the chemical compound with the formula RuCl3. Ruthenium(III) chloride more commonly refers to the hydrate RuCl3·xH2O. Both the anhydrous and hydrated species are dark brown or black solids. The hydrate with a varying proportion of water of crystallization often approximating to a trihydrate is a commonly used starting material in ruthenium chemistry.
