Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Remarks:
Reliable method according to standard operating procedure of the testing institute

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2011
Report date:
2011

Materials and methods

Principles of method if other than guideline:
Differential Scanning Calorimetry
Type of method:
thermal analysis

Test material

Constituent 1
Chemical structure
Reference substance name:
Barbituric acid
EC Number:
200-658-0
EC Name:
Barbituric acid
Cas Number:
67-52-7
Molecular formula:
C4H4N2O3
IUPAC Name:
pyrimidine-2,4,6(1H,3H,5H)-trione

Results and discussion

Melting / freezing point
Melting / freezing pt.:
>= 250 °C
Decomposition:
yes
Decomp. temp.:
>= 260 °C
Remarks on result:
other: immediately after the endothermic process (melting) decomposition reaction starts (energy -270 J/g)

Applicant's summary and conclusion