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Physical & Chemical properties

Density

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Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
No data
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Remarks:
The study was conducted similarly to internationally recognised method. Test substance ID and purity are specified. Validation applies with minor restrictions due to calibration partly not suitable.
Qualifier:
equivalent or similar to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
yes
Remarks:
calibration with water and air
Qualifier:
equivalent or similar to
Guideline:
EU Method A.3 (Relative Density)
Principles of method if other than guideline:
No guideline cited in the report, but protocol identical to OECD.
GLP compliance:
no
Type of method:
oscillating densitimeter
Key result
Type:
relative density
Density:
1.083
Temp.:
25 °C
Remarks on result:
other: D25/25

Table 4.4/1: Results of the calibration using air and water

 

Test No.

Temperature [°C]

Density of water [g/cm3]

Measured

Mean value

Theoretical value

1

25

0.99704

 

 

2

25

0.99704

0.99704

0.99704

3

25

0.99704

 

 

 

The density of air at 25 °C is 0.0012 g/cm3.

 

Table 4.4/2: Determination of the density of test substance

 

Test No.

Temperature [°C]

Density of test substance [g/cm3]

Measured

Mean value

1

25

1.08019

 

2

25

1.08019

1.08019

3

25

1.08019

 

 

 

Calculation of the relative density

Relative Density (D25/25) = 1.08019 g/cm3/ 0.99704 g/cm3= 1.0834

Conclusions:
The substance is slightly denser than water.
Executive summary:

The relative density of the test substance was using oscillating densitimeter method. After calibration using air and water, a sample was measured in triplicate at 25 °C, and the mean relative density was calculated towards water at 25°C.

The relative density (D25/25) of the test substance has been determined to be 1.0834.
Endpoint:
relative density
Type of information:
not specified
Adequacy of study:
supporting study
Study period:
No data
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Remarks:
Data comes from peer-reviewed sources, but only the result is provided. Therefore validation applies with restrictions.
Principles of method if other than guideline:
no data
GLP compliance:
not specified
Type:
relative density
Density:
1.08
Type:
relative density
Density:
1.088
Remarks on result:
other: cis isomer
Type:
relative density
Density:
1.087
Remarks on result:
other: trans isomer

None

Executive summary:

The relative density of the test substance is 1.080, 1.088 (cis) and 1.087 (trans).

Description of key information

Measured density = 1.080 g/cm3 at 25°C. Relative density (d25/25) = 1.083.
The substance is slightly denser than water.

Key value for chemical safety assessment

Relative density at 20C:
1.083

Additional information

A reliable experimental study, conducted similarly to OECD method, is available. Despite minor restrictions, it is considered as a key study. The result is retained as key data.

Supporting literature data provides consistent information on individual isomers.