|Jmol-3D images||Image 1|
|Molar mass||167.21 g/mol|
|Appearance||white crystalline powder|
|Density||4.43 g/cm3 (20 °C)|
|Solubility in water||1.32 g/100mL (20 °C)
1.388 g/100mL (25 °C)
|Crystal structure||Monoclinic, mS60|
|Space group||C12/c1, No. 15|
|EU Index||Not listed|
|LD50||98 mg/kg (oral, mouse)|
|Other anions||Zirconium(IV) chloride
|Other cations||Titanium(IV) fluoride
| (what is: / ?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Three crystalline phases of ZrF4 have been reported, α (monoclinic, β (tetragonal, Pearson symbol tP40, space group P42/m, No 84) and γ (unknown structure). β and γ phases are unstable and irreversibly transform into the α phase at 400 °C.
Together with uranium salt, zirconium fluoride can be a component of fuel-coolant in molten salt reactors. Mixture of sodium fluoride, zirconium fluoride, and uranium tetrafluoride (53-41-6 mol.%) was used as a coolant in the Aircraft Reactor Experiment. A mixture of lithium fluoride, beryllium fluoride, zirconium fluoride, and uranium-233 tetrafluoride was used in the Molten-Salt Reactor Experiment. (Uranium-233 is used in the thorium fuel cycle reactors.)
- Paul L. Brown, Federico J. Mompean, Jane Perrone, Myriam Illemassène (2005). Chemical thermodynamics of zirconium. Gulf Professional Publishing. p. 144. ISBN 0-444-51803-7.
- "Zirconium fluoride". American Elements. Retrieved 2009-07-07.
- "Method for preparing ultra-pure zirconium and hafnium tetrafluorides. United States Patent 4578252". Retrieved 2009-07-07.
- ORNL/TM-2006/12 Assessment of Candidate Molten Salt Coolants for the Advanced High-Temperature Reactor (AHTR), March 2006 (Accessed 2008/9/18)
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