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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:
From August 12 to 13, 2014
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. No deviation was reported. The substance is adequately characterised with its isomers composition. Therefore full validation applies.
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
Principles of method if other than guideline:
Not applicable
GLP compliance:
yes (incl. QA statement)
Remarks:
inspected on November 29 and 30, 2010 / signed on April 11, 2011
Type of method:
pycnometer method
Dynamic viscosity of test material:
(no data)
Key result
Type:
relative density
Density:
0.895 other: relative density is dimensionless
Temp.:
20 °C

Table 4.4/1: Results of Single Determinations

 

Determination

Density in g/cm3

Error of Determination in g/cm3

1

0.8954

0.0000

2

0.8946

0.0000

 

Table 4.4/2: Results - Mean Values

 

Parameter

Value

Unit

Standard deviation

Relative Standard deviation

Volume of Pycnometer

24.91

cm3

0.0009

0.00 %

Density of Test item

0.8950

g/cm3

0.0006

0.07 %

Density of Test item

895.0

kg/m3

0.6

0.07 %

Relative Density of Test item (d204)

0.8950

 

0.0006

0.07 %

density of water at test temperature: 0.9982 g*cm-3at 20.0oC (CRC Handbook, 2009)

density of water at 4°C: 0.999975 g*cm-3 (CRC Handbook, 2009)

Conclusions:
The test substance is much less dense than water.
Executive summary:

The density of the test substance was measured under GLP according OECD 109 / EU A3 guideline, pycnometer method.

Experiment was performed at 20 °C in duplicate, and the mean density was calculated. Relative density was converted vs water at 4°C.

The density of the test substance was determined as 0.8950 g/cm3 at 20.0°C, and d20/4 is 0.895.

Description of key information

The substance is much less dense than water.

Key value for chemical safety assessment

Relative density at 20C:
0.895

Additional information

A fully reliable experimental study, conducted according to a recognized OECD/EC method and under GLP, is available. It is considered as a key study. The result is retained as key data.