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Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
12 September 2014 to 23 March 2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
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
Key result
Type:
density
Density:
1 190 kg/m³
Temp.:
23 °C
Key result
Type:
relative density
Density:
1.19 other: dimensionless
Temp.:
23 °C

CALIBRATION

- Pressure readings are shown in Table 3.5 (below) together with the calculated volume for the reference and sample cells.

- As the reference cell volume and sample cell volume were within the defined tolerances (90.953 ± 1.0 cm3 and 149.225 ± 1.0 cm3 respectively), the gas comparison pycnometer was considered acceptable for use.

 

TABLE 3.5 – PRESSURE READINGS AND CALCULATED VOLUMES

Determination

P1 (psig)

P2 (psig)

P3 (psig)

P4 (psig)

Reference cell volume (cm3)

Sample cell volume (cm3)

1

17.952

6.793

17.064

8.447

90.844

149.231

2

17.065

6.458

17.133

8.483

90.818

149.165

3

17.009

6.438

17.209

8.522

90.842

149.160

Mean reference cell volume: 90.835 cm3

Mean sample cell volume: 149.185 cm3

 

SAMPLE

- Pressure readings, calculated volumes and density values obtained for the test item are shown in Table 3.7 (below).

 

TABLE 3.7 – PRESSURE READINGS, CALCULATED VOLUMES AND DENSITY VALUES FOR THE TEST ITEM

Determination

Test

P1sample (psig)

P2sample (psig)

Volume (cm3)

Density (kg/m3)

1

A

17.083

7.662

37.497

1.20 x 103

1

B

17.074

7.659

37.525

1.19 x 103

1

C

17.103

7.672

37.525

1.19 x 103

2

A

17.016

7.554

35.408

1.19 x 103

2

B

17.007

7.550

35.407

1.19 x 103

2

C

17.025

7.559

35.435

1.19 x 103

Mean density for Determination 1 = 1.19 x 10E03 kg/m3

Mean density for Determination 2 = 1.19 x 10E03 kg/m3

Overall mean density = 1.19 x 10E03 kg/m3

Relative density = 1.19

Temperature = 23.0 ± 1.0 °C

Conclusions:
The density of the test item was determined to be 1.19 x 10E03 kg/m3 at 23.0 ± 1.0 °C with a relative density of 1.19.
Executive summary:

GUIDELINE

The determination was carried out with a gas comparison pycnometer, using a procedure designed to be compatible with Method A.3 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.

 

RESULTS

The density of the test item was determined to be 1.19 x 10E03 kg/m3 at 23.0 ± 1.0 °C with a relative density of 1.19.

Description of key information

The density of the test item was determined to be 1.19 x 10E03 kg/m3 at 23.0 ± 1.0 °C with a relative density of 1.19 (OECD 109 and EU Method A.3).

Key value for chemical safety assessment

Relative density at 20C:
1.19

Additional information

GUIDELINE

The determination was carried out with a gas comparison pycnometer, using a procedure designed to be compatible with Method A.3 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.

 

RESULTS

The density of the test item was determined to be 1.19 x 10E03 kg/m3 at 23.0 ± 1.0 °C with a relative density of 1.19.