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Density

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Reference
Endpoint:
relative density
Remarks:
density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
18.12.1990 to 21.1.1991
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
yes
Remarks:
, the temperature during the measurement was 22°C in deviation from the 20°C recommended in the guideline
GLP compliance:
yes
Remarks:
Swiss GLP
Type of method:
air comparison pycnometer (for solids)
Specific details on test material used for the study:
Name: FAT 40406/A
Purity: 89.3%
Type:
relative density
Density:
1 750 kg/m³
Temp.:
22 °C

Sample Preparation:

Weight of sample before drying: 11.05 g

Weight of sample after drying: 10.97 g

Relative change: 0.7 %

Weight of sample for analysis I: 6.471 g

Weight of sample for analysis II: 3.985 g

Sample has been dried for 3 h at a temperature of 50 °C

Result for the volume of the test sphere (standard sphere of volume: 8.58 x 10 -6 m3):

V = 8.582 x 10 -6 m3

Results of successive volume measurements:

Analysis I                                         Analysis II

4.11 ml                                          2.64 ml

4.13 ml                                                  2.64 ml

4.13 ml                                                 2.66 ml

4.123 ml average                                2.647 ml average

0.398 ml blank                                     0.398 ml blank

3.725 ml effective volume                   2.249 ml effective volume

Conclusions:
The density of FAT 40406/A was found to be 1750 kg/m³ at 22 °C.
Executive summary:

In a GLP compliant study, performed according to EU method A.3 as per air comparison pycnometer method, the density of the test substance was found to be 1750 kg/m3 at 22 °C.

Description of key information

The density of Reactive Red 245 is 1750 kg/m3 at 22 °C.

Key value for chemical safety assessment

Relative density at 20C:
1 750

Additional information

In a GLP compliant study, performed according to EU method A.3 as per air comparison pycnometer method, the density of the test substance was found to be 1750 kg/m3 at 22 °C.

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