Rhodium acetylacetonate

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Rhodium acetylacetonate
IUPAC name
Other names
Rhodium(III) acetylacetonate
3D model (JSmol)
ECHA InfoCard 100.034.704 Edit this at Wikidata
EC Number
  • 238-192-5
  • InChI=1S/3C5H8O2.Rh/c3*1-4(6)3-5(2)7;/h3*3,6H,1-2H3;/b3*4-3+;
  • CC(=O)C=C(C)[O-].CC(=O)C=C(C)[O-].CC(=O)C=C(C)[O-].[Rh+3]
Molar mass 400.232 g·mol−1
Appearance orange solid
Melting point 260 °C (500 °F; 533 K) (decomposes)
GHS labelling:
GHS07: Exclamation markGHS08: Health hazard
H302, H312, H315, H319, H332, H335, H361
P201, P202, P261, P264, P270, P271, P280, P281, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P308+P313, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Rhodium acetylacetonate is the coordination complex with the formula Rh(O2C5H7)3, which is sometimes known as Rh(acac)3. The molecule has D3-symmetry. It is a yellow-orange solid that is soluble in organic solvents.

It is prepared from RhCl3(H2O)3 and acetylacetone.[1] The complex has been resolved into individual enantiomers by separation of its adduct with dibenzoyltartaric acid.[2]


  1. ^ James E. Collins, Michael P. Castellani, Arnold L. Rheingold, Edward J. Miller, William E. Geiger, Anne L. Rieger, Philip H. Rieger "Synthesis, Characterization, and Molecular Structure of Bis(tetraphenylcyclopentdienyl)rhodium(II)" Organometallics 1995, pp 1232–1238. doi:10.1021/om00003a025
  2. ^ Drake, A. F.; Gould, J. M.; Mason, S. F.; Rosini, C.; Woodley, F. J. (1983). "The optical resolution of tris(pentane-2,4-dionato)metal(III) complexes". Polyhedron. 2 (6): 537–538. doi:10.1016/S0277-5387(00)87108-9.{{cite journal}}: CS1 maint: uses authors parameter (link)