Rhodium (Ⅲ) Chloride Hydrate is the red-brown crystalline powder, soluble in water, hydrochloric acid, alcohol and alkaline solution, insoluble in ether and aqua regia. It is also called Rhodium trichloride trihydrate. It is an important chemical raw material used in heterogeneous catalysis, or homogeneous catalysis, plating, coating and other areas. CAS NO.: 10049-07-7 .
Ethylene dimerization was shown to demand contact action by Rh2Cl2(C2H4)foursome. This and umpteen concerned discoveries nurtured the then new field of operations of homogeneous contact action, wherein the accelerators are fleeted out successful the medium with the substratum. Solutions of RhCl3(H2O)3 react with ammonia water to cave in saltinesses of the pentammine chloride [RhCl(NH3)5]2+. Zinc reduction of this cation espoused past the addition of sulfate gives the colourless hydride complicated [RhH(NH3)Phoebe]SO4.
Rhodium(III) chloride refers to inorganic compounds with the formula RhCl3(H2O)n, where n varies from 0 to 3, a catalyst for conjugate reduction of cinnamaldehydes followed by cross-coupling with arylboronic acids. Catalyst for the direct conversion of methane to acetic acid. Anhydrous rhodium chloride crystallises with a monoclinic crystal structure, same as in YCl3 or AlCl3.[5] It is a dense brown solid that is insoluble in common solvents and of little value in the laboratory. Molecular formula: RhCl3·nH2O; Molecular weight:209.26. The soluble salt is widely used to prepare compounds used in homogeneous catalysis.
These are diamagnetic solids featuring octahedral Rh(III) centres. Depending on the value of n, the material is either a dense brown solid or a soluble reddish salt.
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