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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:
23 March 2017 - 11 August 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
Study was conducted in accordance with international guidelines and in accordance with GLP. All guideline validity criteria were met.
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
Regulation (EC) 440/2008 of 30 May 2008
Deviations:
no
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
02 October 2012
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
oscillating densitimeter
Dynamic viscosity of test material:
Viscosity is not a REACH data requirement below Annex IX. In the absence of a prescribed data requirement, dynamic viscosity was assessed using expert judgement. The test item was deemed to have a dynamic viscosity (significantly) less than 5 Pa s. The test item is not regarded to be a viscous liquid using expert judgement.
Key result
Type:
relative density
Remarks:
Mean Relative Density
Density:
0.812 other: Dimensionless quantity
Temp.:
19.9 °C
Type:
relative density
Remarks:
Measurement 1
Density:
0.812 other: Dimensionless quantity
Temp.:
19.9 °C
Type:
relative density
Remarks:
Measurement 2
Density:
0.812 other: Dimensionless quantity
Temp.:
19.9 °C

Table 3:       Results of duplicate determinations of density

 

Temperature ()

Density (g/cm3)

Relative Density

1

19.9

0.8117

0.8117

2

19.9

0.8117

0.8117

Mean

19.9

0.8117

0.8117

Absolute Deviation

0.0

0.0000

0.0000

Relative Deviation (%)

0.0

0.00

0.00

 

Relative density has been determined using a nominal density of water at 4°C of 0.999972 g/cm3

Conclusions:
The relative density of the test item was determined to be  0.8117 at 20 ˚C.
Executive summary:

EU Method A.3. – The relative density of the test item was determined utilising an oscillating densitometer.  The procedure employed was designed to be compatible with Method A.3. Relative Density of Commission Regulation (EC) No 440/2008 of 30 May 2008.

Two determinations were carried out.  An instrumentation check was performed using ultra-pure water.  The measuring cell was cleaned put and dried.  Approximately 1 cm3 of a visually bubble free, homogenous sample of test item was injected into the measuring cell.  The density of the test item was determined.  This determination was performed twice at 20.0 °C ± 0.2 °C to acquire an average value.

The relative density (D420) of the test item was calculated to be 0.8117, based on the ratio of the measured density of the test item relative to the density of water a 4 °C i.e.;

 

D420 =rtest item/rwater

where:

rtest item= density of test item at 20.0 °C (g/cm3)

rwater= density of water at 4.0 °C (g/cm3)

Description of key information

Relative Density: D204= 0.8117; EU Method A.3.; C Bär (2017)

Key value for chemical safety assessment

Relative density at 20C:
0.812

Additional information

EU Method A.3. – The relative density of the test item was determined utilising an oscillating densitometer.  The procedure employed was designed to be compatible with Method A.3. Relative Density of Commission Regulation (EC) No 440/2008 of 30 May 2008.

Two determinations were carried out.  An instrumentation check was performed using ultra-pure water.  The measuring cell was cleaned put and dried.  Approximately 1 cm3 of a visually bubble free, homogenous sample of test item was injected into the measuring cell.  The density of the test item was determined.  This determination was performed twice at 20.0 °C ± 0.2 °C to acquire an average value.

 

The relative density (D420) of the test item was calculated to be 0.8117, based on the ratio of the measured density of the test item relative to the density of water a 4 °C i.e.;

 

D420 = rtest item/rwater

where:

rtest item= density of test item at 20.0 °C (g/cm3)

rwater= density of water at 4.0 °C (g/cm3)