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Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
29 June 2015 - 22 July 2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
pycnometer method
Key result
Type:
relative density
Density:
1.36
Temp.:
20 °C
Key result
Type:
density
Density:
1.36 g/cm³
Temp.:
20 °C

Results of density determination.

Test No.

Mass of empty pycnometer

 

mo

Mass of pycnometer with water

 

m1

Mass of pycnometer with immersing liquid,

 

m2

Mass of pycnometer with tested material

 

m3

Mass of pycnometer with tested material and immersing liquid,

m4

Density

[g]

[g]

[g]

[g]

[g]

[g/ml]

1

24.1486

49.4098

40.8221

29.6293

43.6324

1.3626

2

24.1487

49.4097

40.8219

29.9246

43.7955

1.3564

 

 

 

 

 

Average

1.360

 

As the difference between results was less than 0.03 g/ml; hence two trials were enough.

Conclusions:
The relative density of the test substance was 1.360 at 20ºC.
Executive summary:

The determination of the relative density of the test substance was carried out through a pycnometer method, at 20ºC, measuring the mass of the test item in a known volume. The procedure was in accordance with the EU Method A.3 (CIPAC MT 3.2.1) and followed the Principles of GLP. The average measured absolute density of the tested material at 20ºC temperature was 1.360 g/mL and the average calculated relative density of the tested material at 20ºC was 1.360.

Description of key information

Key study: Test method EU Method A.3. GLP study. The relative density of the test substance was 1.360 at 20ºC.

Key value for chemical safety assessment

Relative density at 20C:
1.36

Additional information

Key study: The determination of the relative density of the test substance was carried out in accordance with the EU Method A.3 (CIPAC MT 3.2.1) and following the Principles of GLP. The average measured absolute density of the tested material at 20ºC temperature was 1.36 g/mL and the average calculated relative density was 1.36.