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Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
15 Aug 2011
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Comparable to guideline study (EU A.1) with acceptable restrictions

Data source

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

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Principles of method if other than guideline:
DSC measurement according to company guideline.
Type of method:
thermal analysis

Test material

Constituent 1
Chemical structure
Reference substance name:
4-[(4-chloro-2-nitrophenyl)azo]-3-hydroxy-N-(2-methylphenyl)naphthalene-2-carboxamide
EC Number:
229-314-8
EC Name:
4-[(4-chloro-2-nitrophenyl)azo]-3-hydroxy-N-(2-methylphenyl)naphthalene-2-carboxamide
Cas Number:
6471-50-7
Molecular formula:
C24H17ClN4O4
IUPAC Name:
4-[(4-chloro-2-nitrophenyl)diazenyl]-3-hydroxy-N-(2-methylphenyl)-2-naphthamide

Results and discussion

Melting / freezing point
Decomposition:
yes
Decomp. temp.:
ca. 276 °C

Any other information on results incl. tables

The product starts to decompose in the sealed vial at ca. 276 °C with a mean energy of 581 J/g (2 measurements) without prior melting or boiling.

Applicant's summary and conclusion

Conclusions:
The test item starts to decompose in the sealed vial at ca. 276 °C.
Executive summary:

The thermal behaviour of the test substance was investigated by Differential Scanning Calorimetry (DSC). The test item starts to decompose in the sealed vial at ca. 276 °C without prior melting or boiling.

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