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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Reference
Reference Type:
publication
Title:
Valproic acid and sodium valproate: comprehensive profile
Author:
Alsarra, Al-Omar and Belal
Year:
2005
Bibliographic source:
Profiles of drug substances, excipients, and related methodology, volume 32

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: no information on the method but a Thomas-Hoover capillary melting point apparatus was used
GLP compliance:
not specified
Type of method:
capillary method

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium valproate
EC Number:
213-961-8
EC Name:
Sodium valproate
Cas Number:
1069-66-5
Molecular formula:
C8H16O2.Na
IUPAC Name:
sodium 2-propylpentanoate

Results and discussion

Melting / freezing point
Key result
Decomposition:
no
Remarks on result:
not determinable
Remarks:
sodium valproate does not melt

Applicant's summary and conclusion

Conclusions:
Sodium valproate does not melt, decompose or physically change in the normal working range of the Thomas-Hoover capillary melting point apparatus.

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