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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2013-07-11
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
air comparison pycnometer (for solids)

Test material

Constituent 1
Chemical structure
Reference substance name:
(5Z)-5-(phenylmethylidene)imidazolidine-2,4-dione
EC Number:
700-728-5
Cas Number:
74805-60-0
Molecular formula:
C10H8N2O2
IUPAC Name:
(5Z)-5-(phenylmethylidene)imidazolidine-2,4-dione
Test material form:
solid: particulate/powder

Results and discussion

Density
Key result
Type:
relative density
Density:
1.42 g/cm³
Temp.:
20.06 °C

Any other information on results incl. tables

The test item was tested as received. No further preliminary treatment such as dryin was preformed. Two test series with different weights were preformed at ambient temperature (20.6 °C).


First run:


























Weight 17.4635 gp1/psip2/psiVolume /cm3Density ρ/g/cm3

1


2


3



19.583


19.527


19.540



10.499


10.471


10.475



12.2440


12.2339


12.2487



1.4263


1.4257


1.4265


Mean  12.24221.4265

 


Second run


























Weight 18.1527 gp1/psip2/psiVolume cm3Density ρ/g/cm3

1


2


3



19.561


19.522


19.606



10.377


10.358


10.403



12.7842


12.7760


12.7740



1.4199


1.4208


1.4211


Mean  12.77811.4206

 


Mean density ρ for the two test series: 1.424 cm3 


Relative density (compared to water at 4 °C) D4 : 1.42 ± 0.01

Applicant's summary and conclusion

Conclusions:
The relative density at 2 0°C (compared to water at 4 °C) is 1.42.