Potassium hexafluorotitanate CAS#16919-27-0
High Thermal Stability at Room Conditions: Stable under normal temperature and pressure, ensuring safe handling and storage.
Controlled Solubility: Slightly soluble in inorganic acids and cold water, soluble in hot water, and insoluble in ammonia, providing flexibility for selective applications.
Well-Defined Physical Properties: Exists as colorless monoclinic flaky crystals with a density of 3.012 g/mL, melting point of 780 °C, and boiling point of 235–237 °C, facilitating predictable processing behavior.
Useful Thermal Decomposition: Decomposes above 500 °C to yield titanium dioxide and potassium fluoride, enabling its use in titanium-based material synthesis.
Potassium hexafluorotitanate CAS#16919-27-0
Potassium hexafluorotitanate, also known as potassium titanium fluoride, with the molecular formula F6K2Ti and CAS number 16919-27-0, is an inorganic compound. It appears as colorless monoclinic flaky crystals. It is slightly soluble in inorganic acids and cold water, soluble in hot water, and insoluble in ammonia. Its density is 3.012 g/mL (25℃), melting point is 780℃, and boiling point is 235-237℃ (at normal pressure). This compound is stable at room temperature and pressure, but decomposes upon heating above 500℃ to form titanium dioxide and potassium fluoride .
Potassium hexafluorotitanate Chemical Properties
| Melting point | 780℃ |
| Boiling point | 235-237°C |
| Density | 3.012[at 20℃] |
| Fp | 235-237°C |
| Storage temp | Store at room temperature, keep dry and cool |
| Form | powder |
| Appearance | White to off-white Solid |
| Water Solubility | Soluble in hot water. Slightly soluble in cold water and inorganic acid. Insoluble in ammonia. |
| Exposure limits | ACGIH: TWA 2.5 mg/m3 |
| NIOSH: IDLH 250 mg/m3 | |
| InChI | InChI=1S/6FH.2K.Ti/h6*1H;;;/q;;;;;;2*+1;+4/p-6 |
| InChIKey | RXCBCUJUGULOGC-UHFFFAOYSA-H |
| SMILES | [Ti-2](F)(F)(F)(F)(F)F.[K+].[K+] |
| CAS DataBase Reference | 16919-27-0(CAS DataBase Reference) |
| EPA Substance Registry System | Titanate(2-), hexafluoro-, dipotassium, (OC-6-11)- (16919-27-0) |
| Hazard Codes | Xn |
| Risk Statements | 22-41-43 |
| Safety Statements | 26-36/37/39 |
| RIDADR | 3288 |
| WGK Germany | 2 |
| RTECS | TT1575000 |
| TSCA | TSCA listed |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 28269090 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Acute Tox. 4 Oral |
| Eye Dam. 1 | |
| Skin Sens. 1 |
Product Application of Potassium Hexafluorotitanate (CAS#16919-27-0)
Potassium hexafluorotitanate is used as an analytical reagent, alloying additive, flame retardant, and flux agent in casting processes. It is also applied in the production of titanium acid and titanium-containing aluminum alloys.
Additionally, it is employed in metal surface treatment and finishing, detergent formulations, and dental impression molding. It serves as a catalyst in polypropylene synthesis and finds applications in metal extraction, refining, and processing. Further uses include electrical and electronics engineering, textile processing, and the ceramics and glass industries.
