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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:
16-10-2017 to 11-05-2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study performed under GLP. All relevant validity criteria were met.
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)
Remarks:
inspected: July 2016 ; signature: October 2016
Type of method:
pycnometer method
Type:
relative density
Density:
0.787
Temp.:
20 °C
Remarks on result:
other: mean relative density; Temperature: ± 0.5°C
Type:
density
Density:
787 kg/m³
Temp.:
20 °C
Remarks on result:
other: mean density; Temperature: ± 0.5°C

Table 1.0 – Pycnometer method determinations

Measurement

Determination

1

2

Mass of pycnometer (g)

17.6613

17.6614

Mass of pycnometer and purified water at 20.0 °C (g)

27.9217

27.9220

Mass of pycnometer and test item at 20.0 °C (g)

25.7476

25.7456

Density of water at 20.0 °C (kg/m3)

998.20

998.20

Density (kg/m3)

787

786

Relative density

0.787

0.786

 

Mean density: 787 kg/m^3

Mean relative density: 0.787

Temperature: 20.0 ± 0.5 °C

Conclusions:
The density of the test item has been determined to be 787 kg/m^3 at 20 ± 0.5 °C using the pycnometer method.
Executive summary:

The density was determined according to EU Method A.3 and OECD TG 109 using the pycnometer method under GLP. The mean density (n=2) of the test item has been determined to be 787 kg/m^3 at 20 ± 0.5 °C. The relative density was 0.787.

Description of key information

Relative Density : 0.787 at 20 ± 0.5 °C, EU Method A.3 pycnometer method, 2018

Key value for chemical safety assessment

Relative density at 20C:
0.787

Additional information

Key study : EU Method A.3, 2018 : The density was determined according to EU Method A.3 and OECD TG 109 using the pycnometer method under GLP. The mean density (n=2) of the test item has been determined to be 787 kg/m^3 at 20 ± 0.5 °C. The relative density was 0.787.