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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:
11 December 2017 - 30 May 2018
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
Type of method:
pycnometer method
Type:
relative density
Density:
1.42 other: unitless
Temp.:
20 °C

The test was conducted in duplicate using separate pycnometers.

Table 1: Results of relative density study

 Parameter  Replicate 1  Replicate 2
 w1

 24.00865

 25.01863

 w2

 48.99232

 49.73487

 w3

 27.00678

 28.01053

 w4

 49.89542

 50.61136

 W1

24.98367 

 24.71624

 W2

 2.99813

 2.99190

 W3

 22.88864

 22.60083

 Vs

2.10 

 2.12

 Dt4

 1.43

 1.41

 Mean Dt4

 1.42
Conclusions:
The relative density of the test item was determined to be 1.42 at 20 °C.
Executive summary:

The relative density of the test item was determined in a study following OECD 109 and EC Method A.3 guidelines, using the pycnometer method. The relative density of the test item was determined to be 1.42 at 20°C.

The study is a GLP compliant, guideline experimental study and is fully acceptable for assessment of this endpoint.

Description of key information

The relative density of the test item was determined to be 1.42 at 20°C.

Key value for chemical safety assessment

Relative density at 20C:
1.42

Additional information

The relative density of the test item was determined in a study following OECD 109 and EC Method A.3 guidelines, using the pycnometer method (Dunning 2018). The study is a GLP compliant, guideline experimental study and is fully acceptable for assessment of this endpoint.