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Diss Factsheets

Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017
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
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
pycnometer method
Key result
Type:
relative density
Density:
ca. 1.73 g/cm³
Temp.:
20 °C

1.1     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:

Table4.4‑a      Results of Single Determinations

Determination

Density in g/cm3

Error of Determ. in g/cm3

1

1.7283

0.0007

2

1.7314

0.0007

 

Table 4.4‑b     Results – Mean Values

Parameter

Value

Unit

Standard Deviation

Relative Standard Deviation

Volume of Pycnometer

25.58

cm3

0.0046

0.02%

Density of Test Substance

1.7298

g/cm3

0.0022

0.13%

Density of Test Substance

1729.8

kg/m3

2.2

0.13%

Relative Density of

Test Substance

1.7298

 

0.0022

0.13%

Conclusions:
1.7298 ± 0.0007 g/cm3at 20±0.4 °C
Executive summary:

Using the pycnometer method, a density of 

1.7298 ± 0.0007 g/cm3at 20±0.4 °C

 

was measured. This value is the mean of two independent determinations with the maximum error of a single determination.

Standard deviation was 0.0022 g/cm3, showing good correlation of the two determinations.

Description of key information

1.1     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:

Table4.4‑a      Results of Single Determinations

Determination

Density in g/cm3

Error of Determ. in g/cm3

1

1.7283

0.0007

2

1.7314

0.0007

Key value for chemical safety assessment

Relative density at 20C:
1.73

Additional information

Results – Mean Values

Parameter

Value

Unit

Standard Deviation

Relative Standard Deviation

Volume of Pycnometer

25.58

cm3

0.0046

0.02%

Density of Test Substance

1.7298

g/cm3

0.0022

0.13%

Density of Test Substance

1729.8

kg/m3

2.2

0.13%

Relative Density of

Test Substance

1.7298

 

0.0022

0.13%