Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Boiling point

Currently viewing:

Administrative data

Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
GLP compliance:
no
Type of method:
differential scanning calorimetry

Test material

Constituent 1
Reference substance name:
Valproic acid
IUPAC Name:
Valproic acid
Details on test material:
- Supplied by Parke-Davis Pharmaceutical Research Division
- The percentages of active component (valproic acid) were determined by a gas-chromatographic assay for purposes of dose calculation.

Results and discussion

Boiling point
Key result
Boiling pt.:
226.5 °C
Atm. press.:
99.67 kPa

Applicant's summary and conclusion

Conclusions:
Valproic acid has a boiling point of 226.5°C (temperature: 499.7 K, atmospheric pressure: 99.67 kPa)