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Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2011
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Basic data given: comparable to guidelines/standards

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 (DSC)
Type of method:
thermal analysis

Test material

Constituent 1
Chemical structure
Reference substance name:
2-[(4-chloro-2-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
EC Number:
236-852-7
EC Name:
2-[(4-chloro-2-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
Cas Number:
13515-40-7
Molecular formula:
C17H15ClN4O5
IUPAC Name:
2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Test material form:
solid: nanoform, no surface treatment

Results and discussion

Melting / freezing point
Key result
Melting / freezing pt.:
263 °C
Decomposition:
yes
Decomp. temp.:
>= 267 °C
Remarks on result:
other: See below

Any other information on results incl. tables

The product begins to melt at 263°C (onset of the endothermic process, taken as melting point). An exothermic decomposition starts at 267°C. Because of the overlap of endothermic and exothermic processes, the energy measured for the exothermic process (918 J/g) is less than the true decomposition energy.

Applicant's summary and conclusion

Conclusions:
The test substances has a melting point of 263°C and starts to decompose at 267°C.

Executive summary:

The thermal behaviour of the test substance was determined with Differential Scanning Calorimetry (DSC) measurements. The melting point was 263°C and decomposition started at 267°C.