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Diss Factsheets

Physical & Chemical properties

Density

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Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
13-Jul-2015
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
GLP compliance:
no
Type of method:
oscillating densitimeter
Type:
density
Density:
0.906 g/cm³
Temp.:
20 °C
Type:
relative density
Density:
0.906
Temp.:
20 °C

Results

Measurement

Density 20 °C [g/cm3]

Relative density D20/4*

Test 1

0.90574

0.90577

Test 2

0.90574

0.90577

Mean value

0.906

0.906

 

*The relative density D20/4 is the ratio between the measured density of the test substance at 20 °C and the density of water at 4 °C (= 0.99997 g/cm3). The relative density has no dimension.

Check measurement: Density of degassed deionized water at 20 °C: 0.99820 g/cm3

Reference value: 0.9982 + 0.0005 (20 °C)

Conclusions:
A density of 0.906 g/cm³ at 20°C and a relative density of 0.906 were determined in a reliable study conducted according to an appropriate test protocol. It was not conducted according to GLP.
Endpoint:
density, other
Remarks:
density
Type of information:
(Q)SAR
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
QSAR prediction
Principles of method if other than guideline:
The result was obtained using an appropriate QSAR method (see attached QMRF and QPRF for details).
Type:
density
Density:
0.9 g/cm³
Temp.:
20 °C
Conclusions:
A density value of 0.9 g/cm3 has been determined for the substance using an appropriate estimation method. The result is considered reliable.

Description of key information

0.906 g/cm³ at 20°C (OECD 109, oscillating densitimeter)

Key value for chemical safety assessment

Relative density at 20C:
0.906

Additional information

The key study is supported by a predicted density value of 0.9 g/cm3 determined using a validated QSAR method.