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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:
2009-11-09 to 2010-02-26
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: The study was conducted according to OECD 109 test guideline, and in compliance with GLP.
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
GLP compliance:
yes (incl. QA statement)
Type of method:
pycnometer method
Key result
Type:
relative density
Density:
0.942 other: Unitless
Temp.:
20 °C

Results of duplicate determinations of relative density are shown in the table 1:

Table 1: Relative Density Determination of Distilled Tall Oil                                         

Measurement

Determination

1

2

Mass of pycnometer (g)

12.6609

7.97423

Mass of pycnometer and distilled water at 20.0ºC (g)

22.9330

17.8110

Mass of pycnometer and test material at 20.0ºC (g)

22.3598

17.2613

Density of water at 20.0ºC (kg/m3)

998.20

998.20

Density (kg/m3)

942.50

942.42

Relative density

0.943

0.942

Relative Density:             0.942

Temperature:                   20.0 ± 0.5ºC

Conclusions:
A relative density value of 0.942 at 20.0 ± 0.5ºC was determined in a reliable study conducted according to OECD 109, and in compliance with GLP.

Description of key information

Relative Density: 0.942 at 20.0 ± 0.5ºC (OECD 109). 

Key value for chemical safety assessment

Relative density at 20C:
0.942

Additional information

A relative density value of 0.942 at 20.0 ± 0.5 ºC has been determined for DTO in a reliable study conducted in accordance to OECD 109. In other supporting peer review source, a relative density of 0.95 - 1.00 was reported for the test substance.

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