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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
07 February 2008
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:
2008
Report date:
2008

Materials and methods

Principles of method if other than guideline:
Differential scanning calorimetry (DSC)
Type of method:
differential scanning calorimetry
Remarks:
DSC

Test material

Constituent 1
Chemical structure
Reference substance name:
2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
EC Number:
221-424-4
EC Name:
2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
Cas Number:
3089-17-6
Molecular formula:
C20H10Cl2N2O2
IUPAC Name:
2,9-dichloro-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.:
>= 400 °C
Decomposition:
no
Decomp. temp.:
>= 400 °C

Any other information on results incl. tables

The test item does not melt and shows no transition in the DSC below 400°C.

Applicant's summary and conclusion

Conclusions:
The test item has a melting point/decomposition temperature >= 400°C.