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Uranyl metaphosphate

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Uranyl metaphosphate
Identifiers
CAS Number
3D model (JSmol)
CompTox Dashboard (EPA)
InChI
  • InChI=1S/2HO3P.2O.U/c2*1-4(2)3;;;/h2*(H,1,2,3);;;/q;;;;+2/p-2Key: YFRVLNOCPYUMID-UHFFFAOYSA-L
SMILES
  • P(=O)=O.P(=O)=O.O==O
Properties
Chemical formula UP2O8
Molar mass 427.971 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Uranyl metaphosphate is a compound of uranium, phosphorus, and oxygen. It is one of the phosphates of uranium with the formula n. This long-chain compound is formed via the thermal decomposition of UO2(H2PO4)2·3H2O. Double salts, such as NaUO2(PO3)3 and CsUO2(PO3)3, are known.

At elevated temperature, it decomposes to UP2O7, liberating oxygen.

References

  1. Kamo, Mutsukazu; Ohashi, Shigeru (1970). "Thermal Decomposition of Uranyl Dihydrogen Orthophosphate Trihydrate". Bulletin of the Chemical Society of Japan. 43 (1): 84–89. doi:10.1246/bcsj.43.84. ISSN 0009-2673.
  2. Lavrov, A. V. Study of condensed uranyl phosphates. Izvestiya Akademii Nauk SSSR, Neorganicheskie Materialy, 1979. 15 (6): 942-946. ISSN 0002-337X.
  3. Barten, H. (1988). "The thermochemistry of uranyl phosphates". Thermochimica Acta. 126: 375–383. doi:10.1016/0040-6031(88)87282-4. ISSN 0040-6031.
Uranium compounds
U(II)
U(III)
Organouranium(III) compounds
  • U(C5H5)3
    • U(IV)
    Organouranium(IV) compounds
  • U(C8H8)2
  • U(C5H5)4
  • U(C5H5)3Cl
    • U(IV,V)
    U(IV,VI)
    U(V)
    U(VI)
    U(XII)
    • UO6 (hypothetical)


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