Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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