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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
density, other
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods
Remarks:
Test procedure according to national standard DIN 51913

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2020
Report date:
2020

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 51913
Type of method:
air comparison pycnometer (for solids)
Remarks:
Helium Gaspycnometer AccuPyc 1340 Micromeritics

Test material

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

Density
Type:
density
Density:
1.627 g/cm³
Temp.:
20 °C
Remarks on result:
other: mean of 10 runs

Any other information on results incl. tables

exact temperature: 20.19°C

density: 1.6275 g/cm3, sigma = 0.0037

volume: 2.5996 cm3, sigma = 0.0059

cell volume: 15.4380 cm3

expansion volume: 73.8762 cm3

sample mass: 4.2308 g

Applicant's summary and conclusion