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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
24 Feb 2011
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Remarks:
measurement according to standard operating procedure of 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 Thermal Analysis
Type of method:
differential scanning calorimetry

Test material

Constituent 1
Chemical structure
Reference substance name:
Dimethyl 2-[[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]azo]terephthalate
EC Number:
252-650-1
EC Name:
Dimethyl 2-[[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]azo]terephthalate
Cas Number:
35636-63-6
Molecular formula:
C21H19N5O7
IUPAC Name:
dimethyl 2-({2-oxo-1-[(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)carbamoyl]propyl}diazenyl)terephthalate
Test material form:
solid: nanoform

Results and discussion

Melting / freezing point
Melting / freezing pt.:
>= 305 °C
Decomposition:
yes
Decomp. temp.:
>= 311 °C
Remarks on result:
other: mean of 2 measurements

Any other information on results incl. tables

melting of the test substance starts at an onset temperature of 305°C followed by a decomposition reaction at an onset temperature of 311°C. The decomposition energy is 203 J/g.

Applicant's summary and conclusion

Conclusions:
The product begins to melt at 305 °C. Exothermic decomposition starts at 311 °C.