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Density

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Endpoint:
relative density
Remarks:
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:
OECD Guideline 109 (Density of Liquids and Solids)
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
GLP compliance:
no
Type of method:
oscillating densitimeter
Type:
relative density
Density:
0.989 other: relative density is dimensionless
Temp.:
20 °C
Type:
density
Density:
0.989 g/cm³
Temp.:
20 °C

Details:

  

Measurement

Density at 20°C (g/cm3)

Relative Density D204(1)

Test 1

0.98912

0.98915

Test 2

0.98912

0.98915

Mean value

0.989

0.989

 

(1) The relative density D204 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).

 

Conclusions:
A density of 0.989 g/cm³ at 20°C and a relative density of 0.989 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
Study period:
2011
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:
0.97 g/cm³
Temp.:
25 °C
Conclusions:
A density value of 0.97 g/cm³ at 25°C was obtained for the substance using an appropriate calculation method. The result is considered to be reliable.

Description of key information

Relative density: 0.989 at 20°C (measured)

Key value for chemical safety assessment

Relative density at 20C:
0.989

Additional information

A relative density value of 0.989 at 20°C (1013 hPa) was determined using an oscillating densimeter according to OECD Guideline 109. This is supported by a predicted density of 0.97 g/cm³ at 25°C obtained for the substance using an appropriate calculation method. The result is considered to be reliable. Additional supporting values of 0.996 g/cm³ at 20°C and 0.99 g/cm³ at 25°C were obtained from secondary sources (company data), although the reliability of the data is unassignable. The supporting results are in good agreement with the key study.