Uranium tetrafluoride
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Uranium tetrafluoride is the inorganic compound with the formula UF4. It is a green solid with an insignificant vapor pressure and low solubility in water. Uranium in its tetravalent (uranous) state is important in various technological processes. In the uranium refining industry it is known as green salt.[1]
Quick Facts Names, Identifiers ...
Names | |
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IUPAC names
Uranium(IV) fluoride Uranium tetrafluoride | |
Identifiers | |
3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.030.142 |
EC Number |
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PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
UF4 | |
Molar mass | 314.02 g/mol |
Appearance | Green crystalline solid |
Density | 6.70 g/cm3, solid |
Melting point | 1,036 °C (1,897 °F; 1,309 K) |
Boiling point | 1,417 °C (2,583 °F; 1,690 K) |
Insoluble | |
Structure | |
Monoclinic, mS60 | |
C2/c, No. 15 | |
Hazards | |
GHS labelling: | |
Danger | |
H300, H330, H373, H411 | |
Flash point | Non-flammable |
Safety data sheet (SDS) | External MSDS |
Related compounds | |
Other anions |
Uranium(IV) chloride Uranium(IV) bromide Uranium(IV) iodide Uranium dioxide |
Other cations |
Praseodymium(IV) fluoride Thorium(IV) fluoride Protactinium(IV) fluoride Neptunium(IV) fluoride Plutonium(IV) fluoride |
Related compounds |
Uranium hexafluoride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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"Green salt" redirects here. For the salt substitute, see Salicornia § Culinary use.