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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Justification for type of information:
Peer reviewed handbook
Qualifier:
according to guideline
Guideline:
other: No information
Principles of method if other than guideline:
No information on the experimental method is provided in these peer-reviewed publications.
GLP compliance:
no
Specific details on test material used for the study:
Name of test material as cited in these publications: potassium tungstate (K2WO4)
Key result
Melting / freezing pt.:
ca. 921 °C
Atm. press.:
ca. 101.3 kPa
Remarks on result:
other: assumed to be conducted at standard atmospheric pressure
Conclusions:
The Melting point of Potassium tungstate is 921 °C.

Description of key information

The melting point of Potassium tungstate is 921°C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
921 °C

Additional information