Title: Cupric Selenite
CAS Registry Number: 10214-40-1
Molecular Formula: CuO3Se
Molecular Weight: 190.50
Percent Composition: Cu 33.36%, O 25.20%, Se 41.45%
Line Formula: CuSeO3
Literature References: Occurs in nature as the dihydrate, chalcomenite. Prepd by the action of selenious acid or an alkaline selenite on a cupric salt: Rocchiccioli, Compt. Rend. 247, 1108 (1958).
Derivative Type: Dihydrate
Properties: Blue, orthorhombic or monoclinic crystals. Becomes anhydr by 265°. Dec to CuSeO3.CuO above 460° and to CuO above 660°. d 3.31. Practically insol in water, H2SeO3. Sol in acids, NH4OH.
Density: d 3.31
Status: This monograph has been retired and is no longer subject to revision or update. |