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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:
Testing was conducted on 02 August 2018.
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
The study was conducted according to an internationally recognised method, and under GLP. The test substance is adequately characterised. Therefore full validation applies.
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
2012
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
2008
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
Inspected on 4,5 and 6 July 2016/ Signed on 10 January 2017
Type of method:
pycnometer method
Key result
Type:
relative density
Density:
0.936 other: unitless
Temp.:
20 °C
Key result
Type:
density
Density:
936.5 kg/m³
Temp.:
20 °C

Results

Results of the two determinations are reported in the following table:

Measurement

Determination

1

2

Temperature (°C)

20.0

20.0

Mass of the empty pycnometer (g)

34.89321

35.21398

Mass of the pycnometer filled with ultrapure water (g)

60.03266

60.15291

Mass of the pycnometer filled with the test item (g)

58.48607

58.59994

Density of the test item (kg/m3)

936.9

936.1

Mean Density (kg/m3)

936.5

The two determinations are within the validity criteria of the method: (less than 1% of difference).

No additional determination was performed.

Conclusions:
The density of the test item has been determined to be 936.5 kg/m3 at 20.0 +/- 0.1°C.
The relative density of the test item was determined to be D20/4 = 0.936
Executive summary:

The study was performed in order to determine the density of test item according OECD 109, resp. EU A.3 guideline, using a pycnometer.

Two trials were conducted. The density of the test item was determined to be 936.5 kg/m3at 20.0 +/- 0.1°C (mean value of two independent determinations).

The relative density of the test item was determined to be D204= 0.936.

Description of key information

The density of the test item has been determined to be 936.5 kg/m3 at 20.0 +/- 0.1°C.

The relative density of the test item was determined to be D20/4 = 0.936

Key value for chemical safety assessment

Relative density at 20C:
0.936

Additional information

A fully reliable experimental study, conducted according to OECD 109/ EU A3 guideline is available.

It is considered as a key study, and the result is retained as key data.