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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:
February 5, 2021 to March 10, 2021
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
Guideline study with GLP
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
2012
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
pycnometer method
Specific details on test material used for the study:
Appearance/Physical state:
solid (deliquescent)*

Batch:
209-653 (dried material from [Tradename] batch number 0001569403)

Purity:
~94.5%*

Expiry / Retest date:
03 December 2021

Storage conditions:
ambient temperature, in the dark, under nitrogen


*As the test item is a deliquescent solid and the samples used in this study were all viscous liquids, it indicates the solid had absorbed up to 10% water. The purity of the liquid samples was therefore 85.05%.
Key result
Type:
relative density
Density:
1.13
Temp.:
20 °C
Key result
Type:
density
Density:
1 130 kg/m³
Temp.:
20 °C

Table 1: Results










































Measurement


 



Determination



1



2



Mass of pycnometer (g)



17.0572



17.8614



Mass of pycnometer and purified water at 20.0 °C (g)



27.2249



28.0624



Mass of pycnometer and test item at 20.0 °C (g)



28.5299


 



29.3504



Temperature of test item (°C)



20



Density of water at 20.0 °C (kg/m3)


 



98.2



Density of test item (kg/m3)



1130



1120



Mean density: 1.13 x 103 kg/m3; Relative density: 1.13; Temperature: 20.0 ± 0.5 °C

Conclusions:
The density of the test item has been determined to be 1.13 x 103 kg/m3 at 20.0 ± 0.5 °C and a relative density of 1.13.
Executive summary:

The determination of density was carried out by the pycnometer method, using a procedure designed to be compatible with Method A.3 Relative Density of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 109 of the OECD Guidelines for Testing of Chemicals, 02 October 2012.


 


Aliquots of purified water and test item were equilibrated at 20.0 ± 0.5 °C. The pycnometer was cleaned and dried to constant weight, then filled with equilibrated purified water and re-weighed. The pycnometer was emptied and dried, then filled with the equilibrated test item and re-weighed.
The procedure was performed in duplicate.


 


The presence of up to 10% absorbed moisture in the test item was considered not to significantly affect the density of the test item. As water has a density of 1.0 x 103 kg/m3, test item containing no absorbed moisture would probably have a density only slightly more than the measure value of 1.13 x 103 kg/m3.


 


The density of the test item has been determined to be 1.13 x 103 kg/m3 at 20.0 ± 0.5 °C and a relative density of 1.13.

Description of key information

The density of the test item has been determined to be 1.13 x 103 kg/m3 at 20.0 ± 0.5 °C and a relative density of 1.13.

Key value for chemical safety assessment

Relative density at 20C:
1.13

Additional information