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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:
04 Sep 2014
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:
October 2012
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
May 2008
Deviations:
no
GLP compliance:
no
Remarks:
The study was carried out in a laboratory accredited under GLP, however the study itself was not subject to GLP audit.
Type of method:
air comparison pycnometer (for solids)
Key result
Type:
relative density
Density:
1.48
Temp.:
20 °C

Table 1 Gas Comparison Pycnometer Calibration Data

Replicate P1 P2 P3 P4 Reference Cell Volume Sample Cell Volume
(psig) (psig) (psig) (psig)  (cm3)  (cm3)
1 16.975 6.426 17.092 8.466 90.827  149.102
2 17.062 6.460 17.043 8.444 90.811  149.037
3 17.106 6.477 17.046 8.446 90.813  149.028

Table 2 Gas Comparison Pycnometer Test Item Data

Determination Test P1 P2 Volume Density Mean Density
(psig) (psig)  (cm3) (kg/m3) (kg/m3)
1 A 17.011 6.901 16.008 1.48 x 103 1.48 x 103
B 17.006 6.897 15.944 1.48 x 103
C 17.041 6.910 15.906 1.49 x 103
2 A 17.136 6.895 14.167 1.47 x 103 1.48 x 103
B 17.165 6.904 14.080 1.48 x 103
C 17.140 6.892 14.016 1.49 x 103
Conclusions:
In a valid, reliable and conclusive study according to OECD TG 109 (2012) and Method A3 (EC) No 440/2008, the density of the test item was determined to be 1.48 g/cm3 at 20.0 ± 1.0 °C (relative density 1.48).
Executive summary:

The study was performed to determine the density of the test item. The density of the test item has been determined to be 1.48 g/cm3 at 20.0 ± 1.0 °C (relative density 1.48).

Description of key information

Relative density 1.48 g/cm3 at 20 °C, air comparison pycnometer (for solids), OECD 109, O'Connor 2014

Key value for chemical safety assessment

Relative density at 20C:
1.48

Additional information