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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:
November 14 to 22, 2007
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. Therefore full validation applies.
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
adopted by the Council on 27th July 1995
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
Principles of method if other than guideline:
Not applicable
GLP compliance:
yes (incl. certificate)
Remarks:
Swiss GLP compliance programme (inspected on November 15 and 16, 2006/ signed on March 29, 2007)
Type of method:
oscillating densitimeter
Key result
Type:
relative density
Density:
0.974 other: relative density is unitless
Temp.:
20 °C
Remarks on result:
other: 20 +/- 0.5°C

Determination 1: 0.973 at 20 °C

Determination 2: 0.974 at 20 °C

Determination 3: 0.974 at 20 °C

Conclusions:
The density of the test item has been determined to be 0.974 g/m3 at 20 ± 0.5 °C.
The test substance is slightly less dense than water.
Executive summary:

The relative density of the test substance was measured under GLP according OECD 109 / EU A3 guideline, oscillating densitimeter method. After suitable calibration using two reference substances, a sample was measured in triplicate at 20 °C, and the mean relative density was calculated.

The relative density of the test substance has been determined to be 0.974 at 20 ± 0.5 °C.

Description of key information

The relative density of the test substance has been determined to be 0.974 at 20 ± 0.5 °C.

The substance is less dense than water.

Key value for chemical safety assessment

Relative density at 20C:
0.974

Additional information

A fully reliable experimental study, conducted according to a recognized OECD/EC method (oscillating densitymeter method) and under GLP, is available. It is considered as a key study.

The result is retained as key data for purpose of CSA.