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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:
experimental dates: 13/11/2017 to 30/11/2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
The study was conducted according to an internationally recognised method, and under GLP. The substance is considered to be adequately characterised. Therefore full validation applies.
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
02. Oct. 2012
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
Regulation (EC) No 440/2008
Deviations:
no
GLP compliance:
yes (incl. certificate)
Remarks:
Landesamt für Umwelt, Wasserwirtschaft und Gewerbeaufsicht (inspected on 13 & 14 October 2014, 2010 / signed on 08 April 2015)
Type of method:
pycnometer method
Specific details on test material used for the study:
Storage conditions: closed original container (metal bottle) at 2 – 8 °C
Dynamic viscosity of test material:
No data. Test item warmed to 80°C to be flowable.
Type:
density
Density:
0.945 g/cm³
Temp.:
20 °C
Key result
Type:
relative density
Density:
0.945 other: relative density (d20/4) has no dimension
Temp.:
20 °C

 Determination  Temperature  Density of water (g/cm3)  Density of replacement liquid  Denstity of test item (g/cm3)
 1  20.0 °C  0.998203  0.9983  0.9460
 2  20.4 °C  0.998098  0.9982  0.9445
       Average

 0.9452

(SD = 0.0010)

Relative density = 0.9452

Conclusions:
The substance is much less dense than water.
Executive summary:

The density of the test substance was measured under GLP according OECD 109 / EU A3 guideline, pycnometer method, using a saturated aqueous solution as replacement liquid.

Due to wax-like appearance of the test item, it was warmed to 80°C to handle it; then experiment was performed at 20 °C in duplicate, and the mean density was calculated.

A density of 0.9452 ± 0.0007 g/cm3 at 20.0 ± 0.4 °C was measured.

The relative density (d20/4) of the test substance was calculated to be 0.9452.

Description of key information

The substance is much less dense than water.

Key value for chemical safety assessment

Relative density at 20C:
0.945

Additional information

A fully reliable experimental study, conducted according to a recognized OECD/EC method and under GLP, is available. Therefore, it is considered as a key study, and the result is retained as key data.