Cerous Nitrate

Title: Cerous Nitrate
CAS Registry Number: 10108-73-3
Molecular Formula: CeN3O9
Molecular Weight: 326.13
Percent Composition: Ce 42.96%, N 12.88%, O 44.15%
Line Formula: Ce(NO3)3
Literature References: Prepn from Ce sulfate and Ca(NO3)2: Blumenfeld, US 2166702 (1939 to Soc. de Produits Chimiques des Terres Rares); in separation of cerium from other rare earths: Pierce, Butler, Inorg. Synth. 2, 51 (1946); Scargill et al., J. Inorg. Nucl. Chem. 4, 304 (1957). For physical and chemical properties see USAEC IDO-14504, 126 pp (1961). Toxicity study: Bruce et al., Toxicol. Appl. Pharmacol. 5, 750 (1963).
Properties: Hexahydrate. LD50 in rats: 290 mg/kg i.p.; 4.2 g/kg orally (Bruce).
Toxicity data: LD50 in rats: 290 mg/kg i.p.; 4.2 g/kg orally (Bruce)
Use: Separation of Ce from other rare earths; catalyst in hydrolysis of phosphoric acid esters; mixture with Th(NO3)4 (1:99) formerly used in manuf incandescent mantles.
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