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Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Remarks:
according to standard operating procedure of the testing institute

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2003

Materials and methods

Principles of method if other than guideline:
differential thermal analysis
GLP compliance:
no
Type of method:
differential scanning calorimetry

Test material

Constituent 1
Chemical structure
Reference substance name:
5,12-dihydro-2,9-dimethylquino[2,3-b]acridine-7,14-dione
EC Number:
213-561-3
EC Name:
5,12-dihydro-2,9-dimethylquino[2,3-b]acridine-7,14-dione
Cas Number:
980-26-7
Molecular formula:
C22H16N2O2
IUPAC Name:
2,9-dimethyl-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione
Test material form:
solid: nanoform

Results and discussion

Melting / freezing point
Melting / freezing pt.:
> 450 °C

Any other information on results incl. tables

no melting or decomposition recorded up the the maximum temperature of 450°C.

Applicant's summary and conclusion

Conclusions:
The test item shows no melting or decomposition up to 450°C.