Cerium(IV) Ammonium Nitrate
Structural Formula Vector Image
Title: Cerium(IV) Ammonium Nitrate
CAS Registry Number: 16774-21-3; 10139-51-2 (nitric acid ammonium cerium salt)
CAS Name: (OC-6-11)-Hexakis(nitrato-kO)-diammonium cerate(2-)
Additional Names: ammonium ceric nitrate; ammonium hexanitratocerate; ammonium nitratocerate
Molecular Formula: CeH8N8O18
Molecular Weight: 548.22
Percent Composition: Ce 25.56%, H 1.47%, N 20.44%, O 52.53%
Line Formula: (NH4)2Ce(NO3)6
Literature References: Versatile one-electron oxidizing agent. Prepn: G. F. Smith et al., Ind. Eng. Chem. Anal. Ed. 8, 449 (1936). Use as a primary standard in oxidimerty: G. F. Smith, W. H. Fly, Anal. Chem. 21, 1233 (1949). Improved prepn: G. F. Smith, Talanta 10, 709 (1963). Review of synthetic applications: J. R. Hwu, K.-Y. King, Curr. Sci. 81, 1043-1053 (2001); V. Nair et al., Acc. Chem. Res. 37, 21-30 (2004).
Properties: Orange, non-hygroscopic solid. Soly in water (g/ml): 1.41 at 25°; 2.27 at 80°. Sol in sulfuric, nitric, perchloric, and hydrochloric acids. Extremely limited soly in orgainc solvents.
Use: As a standard in oxidimetry. Oxidant in redox reactions. In reactions involving carbon-carbon bond formation, oxidative carbon-carbon bond cleavage, nitration, and removal of protecting groups. Soln in dilute perchloric acid as etchant for prepn of printed circuits, metal samples, and surface cleaning prior to fabrication by soldering.

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