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Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
6th August 1999 to 11 February 2000
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of relevant results.
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Remarks:
Date of inspection: 23rd March 1998 Date of signature: July 21st 1998
Type of method:
pycnometer method
Key result
Type:
relative density
Remarks:
D20/4
Density:
1.05
Temp.:
20 °C

The results of duplicate determinations of relative density are shown in the table below.

Measurement

Determination

1

2

Mass of pycnometer (g)

19.5118

19.5115

Mass of pycnometer and distilled water (g)

44.1511

44.1421

Mass of pycnometer and test material (g)

45.4333

45.3804

Temperature of test material (°C)

20.0

20.5

Density of water at 20°C (kg/m3)

998.20

998.20

Relative density

1.05

1.05

Conclusions:
The test material is very slightly denser than water.
Executive summary:

Method: The relative density was determined using the pycnometer method and EU Method A3.

Results: The relative density D20/4 of ST 03 C 99 was determined to be 1.05 at 20 +/- 0.5°C.

Description of key information

Experimental relative density D20/4
The test material is very slightly denser than water.

Key value for chemical safety assessment

Relative density at 20C:
1.05

Additional information

An experimental study on density measurement of the test material, was conducted under GLP, and considered as fully reliable. Therefore the result is considered as key data.