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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:
22.06. - 06.12.16
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)
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
GLP compliance:
no
Type of method:
air comparison pycnometer (for solids)
Key result
Type:
relative density
Density:
1.18 other: dimensionless
Temp.:
20.5 °C

Two test series with different weights were performed at ambient temperature (20.5 °C):

 

1sttest series

Weight: 1.2365 g

p1/psi

p2/ psi

Volume / cm3

Density ρPR/ g·cm-3

1stmeasurement

19.576

10.351

1.0483

1.1795

2ndmeasurement

19.571

10.346

1.0517

1.1757

3rdmeasurement

19.582

10.352

1.0514

1.1760

Mean

 

 

1.0505

1.1771

 

2ndtest series

Weight: 1.0573 g

p1/psi

p2/ psi

Volume / cm3

Density ρPR/ g·cm-3

1stmeasurement

19.545

10.440

0.8962

1.1797

2ndmeasurement

19.525

10.430

0.8952

1.1810

3rdmeasurement

19.597

10.466

0.8988

1.1763

Mean

 

 

0.8968

1.1790

 

Mean density ρPRfor the two test series: 1.18 g/cm3

 

The relative density of the test item at 20.5 °C (compared with water at 4 °C) was determined to be 1.18.

Conclusions:
The relative density of the test item at 20.5 °C (compared with water at 4 °C) was determined to be 1.18.
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 20.5 °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 1.18.

Description of key 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 20.5 °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 1.18.

Key value for chemical safety assessment

Relative density at 20C:
1.18

Additional information