Registration Dossier
Registration Dossier
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EC number: 234-842-7 | CAS number: 12036-22-5
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- no data
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Remarks:
- Valid with restriction. Data from handbook
- Principles of method if other than guideline:
- no principles of method available; handbook data
- GLP compliance:
- not specified
- Type of method:
- other: handbook data
- Melting / freezing pt.:
- ca. 1 500 °C
- Conclusions:
- The melting point of tungsten (IV) oxide is ca. 1500°C.
- Executive summary:
According the CRC Handbook for Chemistry and Physics the melting point of Tungsten (IV) oxide is ca. 1500°C.
- Endpoint:
- melting point/freezing point
- Type of information:
- other: safety data sheet
- Adequacy of study:
- supporting study
- Study period:
- 2011
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- secondary literature
- Remarks:
- Secondary literature. Safety data sheet.
- Reason / purpose for cross-reference:
- reference to same study
- Principles of method if other than guideline:
- information on methods is not reported ; safety data sheet
- GLP compliance:
- no
- Type of method:
- other: no data
- Melting / freezing pt.:
- 1 500 °C
- Remarks on result:
- other: no further details on determination of melting point are reported; safety data sheet
- Conclusions:
- The melting point of tungsten dioxide is reported to be 1500 °C.
- Executive summary:
In the safety data sheet of tungsten dioxide provided by H.C. Starck the melting is reported to be 1500 °C.
Referenceopen allclose all
no data
Description of key information
The CRC handbook for chemistry and physics and the safety data sheet report the melting of tungsten dioxide to be 1500 °C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 1 500 °C
Additional information
According the CRC Handbook for Chemistry and Physics (92nd edition) the melting point of Tungsten (IV) oxide is ca. 1500°C. The same is reported in the safety data sheet.
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