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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:
16 December 2014 to 05 February 2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
The study was conducted according to an internationally recognised method, and under GLP. The substance is considered to be adequately characterised with its purity. Therefore full validation applies.
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
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Principles of method if other than guideline:
Not applicable
GLP compliance:
yes
Type of method:
pycnometer method
Specific details on test material used for the study:
- Storage condition of test material: In refrigerator (2-8°C) protected from light, container flushed with nitrogen
- Stability at higher temperatures: Yes, maximum temperature: 40°C, maximum duration: 10 days
Dynamic viscosity of test material:
No data, but supposed to be flowable.
Type:
density
Density:
0.867 g/cm³
Temp.:
20 °C
Key result
Type:
relative density
Density:
0.867 other: dimensionless
Temp.:
20 °C

The individual measurements were obtained with a deviation of ≤ 0.01 g/cm3. According to the guideline, the density of the test substance is given as the mean value.

Table 4.4/1: Determination of the volume of the pycnometer

 

Test 1 

Test 2 

Mean

Mass empty pycnometer (A) 

30.4739 g 

30.4743 g 

30.4741 g 

Mass pycnometer with water (B) 

40.1120 g 

40.1120 g 

 

Volume of the pycnometer 

9.6555 cm3 

9.6551 cm3 

9.6553 cm3 

 

Table 4.4/2: Density of the test substance

 

Test 1 

Test 2 

Mean

Mass pycnometer with test substance (C) 

 

38.8423 g 

38.8428 g

 

30.4741 g

 

Density

0.8667 g/cm3 

0.8667 g/cm3 

0.867 g/cm3 

Conclusions:
The substance is much less dense than water.
Executive summary:

The density of the test substance was measured under GLP according OECD 109 / EU A3 guideline, pycnometer method.

Calibration was performed with water. Experiment was performed at 20 °C in duplicate, and the mean density was calculated, and converted to relative density vs water at 4°C.

 

The density of the test substance at 20 ºC was 0.867 g/cm3. The relative density D20/4 was 0.867.

Description of key information

The substance is much less dense than water.

Key value for chemical safety assessment

Relative density at 20C:
0.867

Additional information

A fully reliable experimental study, conducted according to a recognized OECD/EC method and under GLP, is available. It is considered as a key study, and the result is retained as key data.