Ammonium Uranate(VI)

Title: Ammonium Uranate(VI)
CAS Registry Number: 7783-22-4
CAS Name: Ammonium uranium oxide ((NH4) 2U2O7)
Additional Names: ammonium diuranate
Molecular Formula: H8N2O7U2
Molecular Weight: 624.13
Percent Composition: H 1.29%, N 4.49%, O 17.94%, U 76.28%
Line Formula: (NH4)2U2O7
Literature References: Incorrectly called "Uranium Yellow"; the true uranium yellow is sodium uranate. Prepn: Miller, Armstrong, US 2466118 (1949 to USAEC); Tridot, Ann. Chim. [12] 5, 358 (1950).
Properties: Reddish-yellow, amorphous powder. Practically insol in water, alkalies. Sol in acids or in ammonium carbonate soln.
Use: Painting black on porcelain; as reagent for alkaloids; prepn of UO2 and UF4.
Ammonium Uranium Carbonate Ammonium Uranium Fluoride Ammonium Valerate Ammonium Vanadate(V) Ammonium Zirconyl Carbonate