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Diss Factsheets

Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
18 November 2011
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
Type:
density
Density:
1 126 kg/m³
Temp.:
20 °C
Remarks on result:
other: (mean measurement)
Type:
relative density
Density:
1.126
Temp.:
20 °C
Remarks on result:
other: (mean measurement)

Table 1: Results

Measured mass (g)

Measured volume (cm³)

Density (kg/m³)

0.576

0.512

1125

0.746

0.664

1123

0.684

0.609

1123

0.365

0.324

1127

0.402

0.355

1132

Average

1126

Standard Deviation

3.7

95 % Confidence interval

4.56
Conclusions:
Under the conditions of the test, the relative density of the test material was determined to be 1.126 at 20 °C, using the pycnometer method.
Executive summary:

The relative density of the test material was determined using the pycnometer method performed under GLP conditions and in accordance with the standardised guidelines OECD 109 and EU Method A.3.

The sample was filled into the sample cup and placed onto the balance platform. After the temperature equilibrium was reached the compression procedure was started and the pressure inside the chamber was monitored. The mass, volume and the density of five consecutive replicates were recorded and the density and relative density calculated.

Under the conditions of the test, the relative density of the test material was determined to be 1.126 at 20 °C.

Description of key information

Relative density 1.126 at 20 °C, OECD 109, EU Method A.3., Sárvári (2012b).

Key value for chemical safety assessment

Relative density at 20C:
1.126

Additional information

In the key study (Sárvári, 2012b) the relative density of the test material was determined using the pycnometer method performed under GLP conditions and in accordance with the standardised guidelines OECD 109 and EU Method A.3.

The sample was filled into the sample cup and placed onto the balance platform. After the temperature equilibrium was reached the compression procedure was started and the pressure inside the chamber was monitored. The mass, volume and the density of five consecutive replicates were recorded and the density and relative density calculated.

Under the conditions of the test, the relative density of the test material was determined to be 1.126 at 20 °C.