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Diss Factsheets

Physical & Chemical properties

Density

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
from 2017-10-04 to 2017-10-06
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:
yes (incl. QA statement)
Type of method:
pycnometer method
Type:
density
Density:
1.457 g/cm³
Temp.:
20 °C
Key result
Type:
relative density
Density:
1.457
Temp.:
20 °C

Equation

The following values were calculated.

Table 1: Calculated values

First determination

 

 

Error rel.

Error abs.

Temperature

20.0

 °C

 

0.1

Density of water

0.998203

g/cm3

2.00%

0.0002

Volume of pycnometer

25.5893

cm3

 

 

Density of replacement liquid

0.7859

g/cm3

 

 

Density of test item

1.4567

g/cm3

0.0539%

0.0008

Second determination

 

 

Error rel.

Error abs.

Temperature

20.4

 °C

 

0.1

Density of water

0.998098

g/cm3

2.00%

0.0002

Volume of pycnometer

25.5943

cm3

 

 

Density of replacement liquid

0.7857

g/cm3

 

 

Density of Test Item

1.4565

g/cm3

0.0494%

0.0007

rel. = relative; abs. = absolute

Presentation of results

Results of the single determinations with the respective error as well as the mean value and its standard deviation are presented in the following tables:

Table 2: Results of single determinations

Determination

Density in g/cm3

Error of determ. in g/cm3

1

1.4567

0.0008

2

1.4565

0.0007

Table 3: Results of mean values

Parameter

Value

Unit

Standard

deviation

Relative standard deviation

Volume of pycnometer

25.59

cm3

0.0035

0.01%

Density of test item

1.4566

g/cm3

0.0001

0.01%

Density of test item

1456.6

kg/m3

0.1

0.01%

Relative density of test item

1.4566

 

0.0001

0.01%

Conclusions:
The relative density of the test item was determined to be 1.4566 ± 0.0008 g/cm3 at 20.0 ± 0.4°C (mean of two determinations).
Executive summary:

A study was conducted according to OECD TG 109 and Commission Regulation (EC) No. 440/2008, method A.3 (REACH) in order to determine the relative density of the test item. Using the pycnometer method the density of the test item was determined to be 1.4566 ± 0.0008 g/cm3 at 20.0 ± 0.4°C (mean of two determinations) which equates to a relative density of 1.4566 ± 0.0008 at 20.0 ± 0.4 °C.

Description of key information

The relative density of the test item was determined to be 1.4566 ± 0.0008 g/cm3 at 20.0 ± 0.4°C (mean of two determinations).

Key value for chemical safety assessment

Relative density at 20C:
1.457

Additional information

A study was conducted according to OECD TG 109 and Commission Regulation (EC) No. 440/2008, method A.3 (REACH) in order to determine the relative density of the test item. Using the pycnometer method the density of the test item was determined to be 1.4566 ± 0.0008 g/cm3 at 20.0 ± 0.4°C (mean of two determinations) which equates to a relative density of 1.4566 ± 0.0008 at 20.0 ± 0.4 °C (reference 4.4-1).