Title: Samarium Iodide
CAS Registry Number: 32248-43-4
Synonyms: Diiodosamarium; samarium diiodide; samarium(II) iodide
Molecular Formula: I2Sm
Molecular Weight: 404.17
Percent Composition: I 62.80%, Sm 37.20%
Line Formula: SmI2
Literature References: One-electron reducing agent. Prepn: C. Matignon, E. Cazes,
Ann. Chim. Phys. 8, 417 (1906); and use in organic synthesis: J. L. Namy
et al., Nouv. J. Chim. 1, 5 (1977); P. Girard
et al., J. Am. Chem. Soc. 102, 2693 (1980). Coordination chemistry and crystal structure of adducts with THF: W. J. Evans
et al., ibid. 117, 8999 (1995). Review of properties: S.-H. Wang,
Rev. Inorg. Chem. 11, 1-20 (1990); of uses in organic chemistry: G. A. Molander, C. R. Harris,
Chem. Rev. 96, 307-338 (1996); H. B. Kagan,
Tetrahedron 59, 10351-10372 (2003).
Properties: Black to light black solid, mp 526 ±3°. Deep blue-green soln in THF. Absorption max (THF): 565, 617 nm. Sol in ether, THF. Redox potential: E0 -1.55 v.
Unstable in the presence of oxygen or moisture; store under an inert atmosphere.
Melting point: mp 526 ±3°
Absorption maximum: Absorption max (THF): 565, 617 nm
Use: In organic synthesis and electron transfer reactions; in discharge lamps.
