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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 between 27 October 2011 and 9 November 2011.
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: see 'Remark'
Remarks:
Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results. The study report was conclusive, done to a valid guideline and the study was conducted under GLP conditions.
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)
Type of method:
pycnometer method
Type:
relative density
Density:
1.03 other: relative
Temp.:
20 °C
Remarks on result:
other: Temperature:  20.0 ± 0.5°C

Results

Results of duplicate determinations of relative density are shown in the following table:

Measurement

Determination

1

2

Mass of pycnometer (g)

16.8702

17.0621

Mass of pycnometer and distilled water at 20°C (g)

27.2128

27.2370

Mass of pycnometer and test item at 20°C (g)

27.5083

27.5262

Density of water at 20°C (kg/m3)

998.20

998.20

Density (kg/m3)

1026.7

1026.6

Relative density

1.0268

1.0266

Mean relative density: 1.03
Temperature: 20.0 ± 0.5°C

Conclusions:
The relative density of the test item has been determined to be 1.03 at 20.0 ± 0.5°C.
Executive summary:

1.03 at 20.0 ± 0.5°C, using the pycnometer method, 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, 27 July 1995.

Description of key information

The relative density of the substance was determined to be 1.03; study conducted in accordance with OECD 109 and EU Method A.3; Fox and White (2011)

Key value for chemical safety assessment

Relative density at 20C:
1.03

Additional information

In a GLP compliant density study conducted in accordance with standardised guidelines, the relative density of the test substance was determined using the pycnometer method. Under the conditions of the test, the relative density of the substance was determined to be 1.03 at 20 ± 0.5ºC.