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Physical & Chemical properties

Melting point / freezing point

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Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: data from a peer rewieved document
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
review article or handbook
Title:
CRC Handbook of Chemistry and Physics
Author:
Lide, DR
Year:
2000
Bibliographic source:
CRC Handbook of Chemistry and Physics. 81st Edition. CRC Press LLC, Boca Raton

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: no data
Principles of method if other than guideline:
data from peer- rewieved document- Methodological details are not reported.
GLP compliance:
no
Type of method:
other:

Test material

Constituent 1
Chemical structure
Reference substance name:
Hafnium tetrachloride
EC Number:
236-826-5
EC Name:
Hafnium tetrachloride
Cas Number:
13499-05-3
Molecular formula:
Cl4Hf
IUPAC Name:
hafnium tetrachloride
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
no further information

Results and discussion

Melting / freezing pointopen allclose all
Melting / freezing pt.:
432 °C
Atm. press.:
25 atm
Remarks on result:
other: Data for triple point
Melting / freezing pt.:
317 °C
Atm. press.:
760 Torr
Remarks on result:
other: This data is for the sublimation point

Applicant's summary and conclusion

Conclusions:
HfCl4 sublimes at 317°C and melts at 432°C under 25 atm (triple point).