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Melting point / freezing point

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melting point/freezing point
Type of information:
other: reliable handbook data
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Data from a reliable secondary source (factual handbook).
Principles of method if other than guideline:
not applicable: secondary data
Type of method:
other: not specified
Melting / freezing pt.:
ca. 780 °C
Atm. press.:
1 atm
Remarks on result:
other: Cited from Ginsberg, H.(1932) in the Gmelin Handbook of inorganic chemistry.

Description of key information

According to published literature (Sorokin, 1966), K2TiF6 is thermally stable at least up to 400°C, with some phase transformation and conversion to oxi-fluorides and oxides happening at higher temperatures. One publications (Chernov, 1973) states a definitive melting point at 899°C. The figure reported in the Gmelin Handbook of inorganic chemistry (cited from Ginsberg,H., 1932) of ca. 780°C is selected as the key value for the chemical safety assessment.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
780 °C

Additional information