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Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
15 March 2012-19 June 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
(2008)
Deviations:
no
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
(1995)
Deviations:
no
Qualifier:
according to
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Version / remarks:
(2002)
Deviations:
no
GLP compliance:
yes
Type of method:
pycnometer method
Key result
Type:
density
Density:
0.968 g/cm³
Temp.:
20 °C
Remarks on result:
other: 0.968 E3 kg/m3
Key result
Type:
relative density
Density:
0.968
Temp.:
20 °C

Table: density measurements

 

Test 1

Test 2

Mean

Mass empty pycnometer (A)

31.2328 g

31.2328 g

31.2328 g

Mass pycnometer with water (B)

40.8691 g

40.8673 g

 

Volume of the pycnometer

9.6537 cm3

9.6519 cm3

9.6528 cm3

Mass pycnometer with test substance (C)

40.5732 g

40.5736 g

 

Density

0.9676 g/cm3

0.9677 g/cm3

0.968 g/cm3

The individual measurements were obtained with an accuracy of < 0.01 g/cm3.

 

Conclusions:
The density of the substance at 20°C was determined to be 0.968 g/cm3 (relative density 0.968).
Executive summary:

Using the pycnometer method, the density of the substance at 20 °C was determined to be 0.968 g/cm3 (relative density 0.968). The study was performed in accordance with EC A.3, OECD 109 and EPA OPPTS 830.7300 guidelines and according to the principles of GLP.

Description of key information

The density of the substance at 20°C was determined to be 0.968 g/cm3  (relative density 0.968).

In addition, the density was determined of MPKO, the main hydrolysis product of OS2600. The density of MPKO was determined to be 0.903 g/cm3 at 20°C, while the relative density was 0.903.

Key value for chemical safety assessment

Relative density at 20C:
0.968

Additional information

Key study: A test was performed in accordance with OECD Guideline 109 and EU Method A.3 using a pycnometer for the determination of the density and relative density of OS2600. The density of the substance at 20°C was determined to be 0.968 g/cm3 (relative density 0.968).

Supporting study: A test was performed in accordance with OECD Guideline 109 and EU Method A.3 using a pycnometer for the determination of the density and relative density of the analogue substance MPKO. The density at 20°C was 0.903 g/cm3 (903 kg/m3). The relative density was 0.903.