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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:
2018-06-27 to 2018-08-02
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
2012
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
2008
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
air comparison pycnometer (for solids)
Key result
Type:
relative density
Density:
1.698 other: dimensionless
Temp.:
20 °C

Two tests with different amounts of the test item were performed to determine the relative density D_4^20 at a temperature of 20 °C ±0.01 °C. Table 1 compiles the results.

Table 1:  Results of the measurement of the density of the test item

Test No.

Temperature [°C]

Amount of Test item [g]

Average sample volume[cm³]

Density [g/cm³]*

1

20

14.60453

8.51464

1.71523

2

20

14.68902

8.74122

1.68043

* The pressurizing-expansion cycles are performed until 4 subsequent volume measurements have a relative standard deviation (RSD) of ≤ 0.2 %.

Conclusions:
According to OECD Test Guideline 109 (2012), Regulation EC No. 440/2008 Method A.3. and EPA OCSPP Test Guideline 830.7300 (2002), the relative density D_4^20 of the test item TA-2 at 20 °C ± 0.01 °C (compared to water at 4 °C) is D_4^20 = 1.698.

Description of key information

According  to OECD  Test  Guideline  109  (2012),  Regulation  EC  No. 440/2008  Method  A.3. and EPA OCSPP Test Guideline 830.7300 (2002), the relative density D_4^20 of the test item  TA-2 at 20 °C ± 0.01 °C (compared to water at 4 °C) is D_4^20 = 1.698.

Key value for chemical safety assessment

Relative density at 20C:
1.698

Additional information