Registration Dossier

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Jul 1992
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Valid method

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1992
Report date:
1992

Materials and methods

Principles of method if other than guideline:
Differential thermal analysis (DTA)
Type of method:
thermal analysis

Test material

Constituent 1
Chemical structure
Reference substance name:
N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-2-[(2-methoxyphenyl)azo]-3-oxobutyramide
EC Number:
279-914-9
EC Name:
N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-2-[(2-methoxyphenyl)azo]-3-oxobutyramide
Cas Number:
82199-12-0
Molecular formula:
C18H17N5O4
IUPAC Name:
2-[(E)-2-(2-methoxyphenyl)diazen-1-yl]-3-oxo-N-(2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)butanamide

Results and discussion

Melting / freezing point
Decomposition:
yes
Decomp. temp.:
> 300 °C

Any other information on results incl. tables

No melting point was observed. Decomposition (with an energy of -170 J/g) starts above 300 °C.

Applicant's summary and conclusion

Conclusions:
The test substance decomposes above 300 °C.
Executive summary:

The thermal behaviour of the test substance was determined with Differential Thermal Analysis (DTA) measurements. No melting was observed. Decomposition started above 300 °C.