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Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
from 2010-03-04 to 2010-04-21
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:
1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
2008
Deviations:
no
GLP compliance:
no
Type of method:
air comparison pycnometer (for solids)
Key result
Type:
relative density
Density:
1.296
Temp.:
20.6 °C

1st run:

Weight 9.3180 g

p1 / psi

p2 / psi

Volume / cm3

Density ρPR/ g/cm3

1. measurement

19.535

11.388

7.2112

1.2922

2. measurement

19.519

11.381

7.1970

1.2947

3. measurement

19.528

11.385

7.2046

1.2933

Mean

 

 

7.2043

1.2934

 

2nd run:

Weight 10.0546 g

p1 / psi

p2 / psi

Volume / cm3

Density ρPR/ g/cm3

1. measurement

19.503

11.279

7.7576

1.2961

2. measurement

19.519

11.290

7.7472

1.2978

3. measurement

19.614

11.346

7.7409

1.2989

Mean

 

 

7.7486

1.2976

 

Mean density pPRfor the four test series: 1.296 g/cm3Relative density (compared to water at 4 °C) D4R: D4R= ρPRW4= 1.296 g/cm3/ 1.000 g/cm3= 1.296

Conclusions:
The relative density of the test item at ambient temperature (compared to water at 4 °C) according to the European Commission Regulation (EC) No. 440/2008 method A.3. and in the OECD 109 was determined to be D = 1.296.
Executive summary:

A study was conducted according to Regulation (EU) No. 440/2008 method A.3 and OECD Guideline No. 109 to determine the relative density of the test item. The density was determined using a gas comparison pycnometer. The relative density of the test item at ambient temperature (compared to water at 4 °C) was determined to be D4R= 1.296.

Description of key information

The relative density of the test item at ambient temperature (compared to water at 4 °C) according to the European Commission Regulation (EC) No. 440/2008 method A.3. and in the OECD 109 was determined to be D4R= 1.296 (reference 4.4-1).

Key value for chemical safety assessment

Relative density at 20C:
1.296

Additional information

A study was conducted according to Regulation (EU) No. 440/2008 method A.3 and OECD Guideline No. 109 to determine the relative density of the test item. The density was determined using a gas comparison pycnometer. The relative density of the test item at ambient temperature (compared to water at 4 °C) was determined to be D4R= 1.296.