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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:
The study was conducted between 29 September 2015 and 24 February 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
pycnometer method
Type:
density
Density:
1 690 kg/m³
Temp.:
20 °C
Type:
relative density
Density:
1.69
Temp.:
20 °C

Results

Calibration

The pressure readings and the calculated volume for the reference and sample cells are shown in the following table:

Determination

P1
(psig)

P2
(psig)

P3
(psig)

P4
(psig)

Reference cell volume (cm3)

Sample cell volume (cm3)

1

16.951

6.416

18.016

8.930

90.564

148.705

2

17.795

6.742

17.673

8.759

90.971

149.139

3

18.262

6.918

17.094

8.474

90.850

148.975

Mean reference cell volume: 90.795 cm3

Mean sample cell volum: 148.940 cm3

As the reference cell volume and sample cell volume were within the defined tolerance (90.953 ± 1.0 cm3and 149.225 ± 1.0 cm3for the reference and sample cell volumes respectively) the gas comparison pycnometer was therefore considered acceptable for use.

Sample

The pressure readings, calculated volumes and density values obtained for the test item are shown in the following table:

Determination

Test

P1(sample)
(psig)

P2(sample)

(psig)

Volume (cm3)

Density

(kg/m3)

Mean density (kg/m3)

1

A

17.699

7.290

19.298

1.69 x 103

1.69 x 103

B

17.112

7.044

19.166

1.70 x 103

C

17.589

7.243

19.247

1.69 x 103

2

A

17.060

7.378

29.791

1.70 x 103

1.69 x 103

B

17.029

7.372

30.002

1.69 x 103

C

18.330

7.936

30.023

1.69 x 103

Mean density: 1.69 x 103 kg/m3

Relative density: 1.69

Temperature: 20.0 ± 1.0 °C

Conclusions:
The density of the test item has been determined to be 1.69E+03 kg/m3 at 20.0 ± 1.0 °C; relative density: 1.69.
Executive summary:

Density. 1.69 x 103kg/m3at 20.0 ± 1.0 °C, relative density: 1.69, using a gas comparison pycnometer, designed to be compatible with Method A3 Relative Density of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 109 of the OECD Guidelines for Testing of Chemicals, 02 October 2012.

Description of key information

The densitiy of the test item was found to be 1.69 x 103kg/m3at 20.0 ± 1.0 °C and therefore the relative density: 1.69, using a gas comparison pycnometer.

Key value for chemical safety assessment

Relative density at 20C:
1.69

Additional information

Density: 1.69 x 103kg/m3at 20.0 ± 1.0 °C and the relative density: 1.69.