Chemistry:Potassium hexafluorotitanate
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| Other names
Potassium hexafluorotitanate(IV), dipotassium hexafluorotitanate, titanium potassium hexafluoride
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3D model (JSmol)
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PubChem CID
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| Properties | |
| F6K2Ti | |
| Molar mass | 240.054 g·mol−1 |
| Appearance | White powder |
| Melting point | 780 °C (1,440 °F; 1,050 K) |
| Boiling point | 235–237 °C (455–459 °F; 508–510 K) |
| soluble in hot water | |
| Hazards | |
| GHS pictograms |   
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| GHS Signal word | Danger |
| HH302Script error: No such module "Preview warning".Category:GHS errors, H317, H318 | |
| P261, P280, P301, P312, P302, P352, P351, P338 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Potassium hexafluorotitanate is an inorganic compound of potassium, fluorine, and titanium with the chemical formula K
2TiF
6.[2][3]
Synthesis
Hydrofluoric acid reacts with metatitanic acid to generate fluorotitanic acid; then it is neutralized with potassium hydroxide to produce potassium hexafluorotitanate.
Physical properties
The compound forms white powder.[4] Potassium hexafluorotitanate is soluble in hot water, slightly soluble in cold water, and inorganic acid. Insoluble in ammonia.[5]
Chemical properties
Reacts with sodium to form titanium, potassium monofluoride and sodium monofluoride:[6][7]
- K
2TiF
6 + 4Na → Ti + 2KF + 4NaF
Uses
The compound is used as an analytical reagent, also used in the manufacture of titanic acid and metallic titanium. Can also be used as a catalyst for polypropylene synthesis. It is a component of the metal phosphating surface adjustment.[8]
References
- ↑ "Dipotassium hexafluorotitanate" (in en). https://pubchem.ncbi.nlm.nih.gov/compound/11064502#section=Safety-and-Hazards.
- ↑ "Potassium hexafluorotitanate(IV)". Sigma Aldrich. https://www.sigmaaldrich.com/RU/en/product/aldrich/308382.
- ↑ Macintyre, Jane E. (23 July 1992) (in en). Dictionary of Inorganic Compounds. CRC Press. p. 3235. ISBN 978-0-412-30120-9. https://books.google.com/books?id=9eJvoNCSCRMC&dq=potassium+hexafluorotitanate&pg=PA3235. Retrieved 15 February 2024.
- ↑ "Potassium Hexafluorotitanate(IV)" (in en). American Elements. https://www.americanelements.com/potassium-hexafluorotitanate-iv-16919-27-0.
- ↑ "Potassium hexafluorotitanate, 97%, Thermo Scientific Chemicals". Fisher Scientific. https://www.fishersci.at/shop/products/potassium-hexafluorotitanate-97-thermo-scientific/11414303.
- ↑ "The reaction of interaction of hexafluorotitanate and sodium with the formation of the titanium, potassium fluoride and sodium fluoride". chemiday.com. https://chemiday.com/en/reaction/3-1-0-14603.
- ↑ Ermakov, A. A.; Kliment'Eva, G. A.; Andrianov, A. M.; Brusilovskii, Yu. E.; Kovalevskaya, I. P. (28 January 1997). "ChemInform Abstract: Reaction of Potassium Hexafluorotitanate with Sodium, Potassium and Ammonium Hydroxides and Carbonates.". ChemInform 28 (5). doi:10.1002/chin.199705020. https://www.researchgate.net/publication/250562232.
- ↑ "POTASSIUM HEXAFLUOROTITANATE(IV)". chembk.com. https://www.chembk.com/en/chem/POTASSIUM%20HEXAFLUOROTITANATE(IV).
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