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Diss Factsheets

Physical & Chemical properties

Density

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Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Testing was conducted between 19 May 2011 and 06 August 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:
equivalent or similar to guideline
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
The determination was carried out 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.
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
pycnometer method
Type:
relative density
Density:
1.01
Temp.:
20 °C

Results

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

Table 7.1

Measurement

Determination

1

2

Mass of pycnometer (g)

17.3315

16.8704

Mass of pycnometer and distilled water at 20.0ºC (g)

27.5089

27.2088

Mass of pycnometer and test item at 20.0ºC (g)

27.6178

27.3150

Density of water at 20.0ºC (kg/m3)

998.20

998.20

Density (kg/m3)

1.009 x 103

1.009 x 103

Relative density

1.01

1.01

Mean relative density:        1.01
Temperature:                       20.0 ± 0.5ºC

Conclusions:
The relative density of the test item has been determined to be 1.01 at 20.0 ± 0.5°C.
Executive summary:

Method

The determination was carried out 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.

Conclusion

The relative density of the test item has been determined to be 1.01 at 20.0 ± 0.5°C.

Endpoint:
density
Remarks:
density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
201-11-18
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: non GLP study; DIN method
Qualifier:
according to guideline
Guideline:
other: DIN 51757
Deviations:
no
GLP compliance:
no
Type of method:
oscillating densitimeter
Remarks:
internal method D
Type:
density
Density:
1.021 g/cm³
Temp.:
20 °C
Conclusions:
The density of this substance determined according to DIN 51757 is 1.0208 g/cm3 at 20°C
Executive summary:

The density of this substance determined according to DIN 51757 is 1.0208 g/cm3 at 20°C

Description of key information

Relative density = 1.01 (20°C); Butler & White (2011); EU Method A.3.
Relative density = 1.02 (20°C); Pagels (2011); DIN 51757

Key value for chemical safety assessment

Relative density at 20C:
1.01

Additional information

The overall endpoint determination was carried out 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.

The relative density of the test item has been determined to be 1.01 at 20.0 ± 0.5°C.