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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:
The 7th of June, 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
adopted 27.07.95
GLP compliance:
no
Type of method:
pycnometer method
Type:
relative density
Density:
ca. 1.653 other: dimensionless value
Temp.:
20 °C
Remarks on result:
other: Average between two replicates

Absolute density of a substance (d) is calculated as:

dsubs= WS / Vsubs= WS / (Vpyc– Vhex) = WS / (Vpyc– WH2/dHex) = WS / (Vpyc– WH2* Vpyc/ WH1)

Relative density (D at 20 °C) is calculated as:

dsubs/ 0.999973

Conclusions:
Relative density at 20 °C = 1.653
Executive summary:

Method

Relative density was determined by means of a pycnometer as per recommendations of OECD 109 "Density of liquids and solids" adopted 27.07.95. Density was calculated from the difference in weight between the full and empty pycnometer and its volume.

Results

Two replicates were performed and the average value of the relative density at 20 °C was 1.653.

Description of key information

Relative density = 1.653  at 20°C

Key value for chemical safety assessment

Relative density at 20C:
1.653

Additional information

Relative density was determined by means of a pycnometer as per recommendations of OECD 109. Density was calculated from the difference in weight between the full and empty pycnometer and its volume.

Two replicates were performed and the average of the relative density considered as the result value is 1.653 at 20 °C.