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Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
August 10, 2016
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)
Version / remarks:
European Commission Regulation (EC) No. 440/2008,
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
2012
Deviations:
no
GLP compliance:
no
Type of method:
air comparison pycnometer (for solids)
Key result
Type:
relative density
Density:
1.35 other: dimensionless
Temp.:
20 °C

Two tests were performed at 20.0 °C.


 


1st test series









































Weight: 1.6661 g



p1 /psi



p2 / psi



Volume / cm3



Density ρPR / g·cm-3



1st measurement



19.583



10.218



1.2402



1.3535



2nd measurement



19.589



10.222



1.2390



1.3448



3rd measurement



19.561



10.208



1.2381



1.3457



Mean



 



 



1.2391



1.3446



 


2nd test series









































Weight: 1.6371 g



p1 /psi



p2 / psi



Volume / cm3



Density ρPR / g·cm-3



1st measurement



19.572



10.234



1.2100



1.3530



2nd measurement



19.542



10.220



1.2077



1.3556



3rd measurement



19.576



10.235



1.2115



1.3513



Mean



 



 



1.2097



1.3533



 


Mean density ρPR for the two test series: 1.3590 g/cm3


 


The relative density of the test item at 20 °C (compared with water at 4 °C) was determined to be D4R 1.35.

Conclusions:
The relative density of the test item at 20 °C (compared with water at 4 °C) was determined to be 1.35.
Executive summary:

A study was performed in accordance with Commission Regulation (EC) No. 440/2008, method A.3 and OECD TG 109 by using the gas comparison pycnometer at 20.0 °C. Two tests were performed and the density of the test item was determined. The relative density of the test item was determined to be 1.35.

Description of key information

The relative density of the test item at 20 °C (compared with water at 4 °C) was determined to be XXX.

Key value for chemical safety assessment

Additional information

A study was performed in accordance with Commission Regulation (EC) No. 440/2008, method A.3 and OECD TG 109 by using the gas comparison pycnometer at 20 °C. Two tests were performed and the density of the test item was determined. The relative density of the test item (calculated from the mean density of the test item) was determined to be D420= 1.35