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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:
06.02.2014
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)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
no
Type of method:
air comparison pycnometer (for solids)
Key result
Type:
relative density
Density:
0.99
Temp.:
20.2 °C

Two tests series with different weights were performed at ambient temperature (20.2 °C). The results are shown in the tables below:

 

1sttest series

Weight: 1.2926 g

p1/psi

p2/ psi

Volume / cm3

Density ρPR/ g·cm-3

1stmeasurement

19.502

10.168

1.2868

1.0045

2ndmeasurement

19.514

10.171

1.2913

1.0010

3rdmeasurement

19.565

10.201

1.2866

1.0047

Mean

 

 

1.2882

1.003

 

2ndtest series

Weight: 1.4578 g

p1/psi

p2/ psi

Volume / cm3

Density ρPR/ g·cm-3

1stmeasurement

19.512

10.030

1.4808

0.9845

2ndmeasurement

19.538

10.043

1.4813

0.9841

3rdmeasurement

19.566

10.061

1.4765

0.9873

Mean

 

 

1.4795

0.985

 

Mean density ρPRfor the two test series: 0.994 g/cm³

 

The relative density of the test item at 20 °C (compared with water at 4 °C) was determined to be 0.99.

Conclusions:
The relative density of the test item at 20.2 °C (compared with water at 4 °C) was determined to be 0.99.
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 20.2 °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 0.99.

Description of key information

The relative density of the test item at 20.2 °C (compared with water at 4 °C) was determined to be 0.99.

Key value for chemical safety assessment

Relative density at 20C:
0.99

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 20.2 °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 0.99.