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uranium dioxideperoxide

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uranium dioxideperoxide Basic information

Product Name:
uranium dioxideperoxide
Synonyms:
  • uranium dioxideperoxide
  • uranium peroxide
  • Hydrogen peroxide - dioxouranium (1:1)
  • uranyl peroxide
CAS:
12036-71-4
MF:
O4U
MW:
302.02651
EINECS:
234-852-1
Mol File:
12036-71-4.mol
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uranium dioxideperoxide Chemical Properties

EPA Substance Registry System
Uranium peroxide (12036-71-4)
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uranium dioxideperoxide Usage And Synthesis

Production Methods

A boiling 10% solution of uranyl nitrate is treated dropwise with 30% H2O2. The resulting amorphous, white precipitate is filtered on the finest filter possible (membrane or Millipore filter) and washed thoroughly with boiling water. The peroxide, a bright sulfur-yellow after filtration, is first dried in the air on a clay plate, then at 100°C to constant weight, and stored in a vacuum over P2O5.
Reaction of (NH4)2[UO2(C2O4)2] ? 3 H2O with H2O2 yields crystalline, nonhygroscopic UO4 ? 2 H2O, which is converted to the dihydrate by storing in vacuum over P2O5.

General Description

Pale yellow crystalline solid. Denser than water.

Reactivity Profile

uranium dioxideperoxide reacts rapidly with liquid bromine trifluoride.

Health Hazard

INHALATION: Radiation injuries. EYES: Mild irritation. INGESTION: Injury to capillaries, tubular and glomerular nephritis, hepatitis, glycosuria and acidosis.

Fire Hazard

Behavior in Fire: Decomposes to form U 2 O 7 then to UO 3 and oxygen.

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