Rhodium(II) acetate

Rhodium(II) acetate is the coordination compound with the formula Rh2(AcO)4, where AcO− is the acetate ion (CH
3CO−
2). This dark green powder is slightly soluble in polar solvents, including water. It is used as a catalyst for cyclopropanation of alkenes. It is a widely studied example of a transition metal carboxylate complex.

Rhodium(II) acetate
Names
IUPAC name
Rhodium(II) acetate
Other names
Dirhodium tetraacetate,
Tetrakis(acetato)dirhodium(II),
Rhodium diacetate dimer,
Tetrakis(μ-acetato)dirhodium
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.036.425
EC Number
  • 240-084-8
RTECS number
  • VI9361000
UNII
  • InChI=1S/2C2H4O2.Rh/c2*1-2(3)4;/h2*1H3,(H,3,4);/q;;+2/p-2 Y
    Key: ITDJKCJYYAQMRO-UHFFFAOYSA-L Y
  • InChI=1S/4C2H4O2.2Rh/c4*1-2(3)4;;/h4*1H3,(H,3,4);;/q;;;;2*+2/p-4
    Key: : SYBXSZMNKDOUCA-UHFFFAOYSA-J
  • [OH2][Rh+3]1234#[Rh+3]([OH2])(O[C-](C)O1)(O[C-](C)O2)(O[C-](C)O3)O[C-](C)O4
Properties
C8H12O8Rh2
Molar mass 441.99 g/mol
Appearance Emerald green powder
Density 1.126 g/cm3
Melting point >100 °C
Boiling point decomposes
soluble
Solubility in other solvents polar organic solvents
Structure
monoclinic
octahedral
0 D
Hazards
GHS labelling:
Warning
H315, H319
P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, P362
NFPA 704 (fire diamond)
3
0
0
Flash point low flammability
Safety data sheet (SDS) Coleparmer MSDS
Related compounds
Related compounds
 Copper(II) acetate
Chromium(II) acetate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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