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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:
October 9, 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: CIPAC MT 3.2.1
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
air comparison pycnometer (for solids)
Type:
density
Density:
1.663 g/cm³
Temp.:
20 °C
Key result
Type:
relative density
Density:
1.663 other: dimensionless
Temp.:
20 °C

Table 1.Results of density determination of test item at 20ºC.

Test No.

Mass of empty pycnometer

 

 

 

m0

Mass of pycnometer with water

 

 

 

m1

Mass of pycnometer with immersing liquid

 

m2

Mass of pycnometer with test item

 

 

m3

Mass of pycnometer with test item and immersing liquid

m4

Density

[g]

[g]

[g]

[g]

[g]

[g/ml]

1

24.1485

49.4098

40.8219

29.5186

44.0759

1.6701

2

24.1487

49.4095

40.8220

31.4446

45.2170

1.6552

 

 

 

 

 

Average

1.663

 

Conclusions:
The average calculated relative density at 20ºC temperature of the test item is 1.663.
Executive summary:

The relative density of the test item has been determined using the Gay-Lussac pycnometer according to EU method A.3 and CIPAC MT 3.2.1, following GLP. The average measured absolute density at 20ºC temperature was 1.663 g/ml. The average calculated relative density at 20ºC temperature of the test item is 1.663.

Description of key information

Key study: EU method A.3 and CIPAC MT 3.2.1. GLP study. The average calculated relative density at 20ºC temperature of the test item is 1.663.

Key value for chemical safety assessment

Relative density at 20C:
1.663

Additional information