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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
Qualifier:
according to
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Version / remarks:
2002
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
pycnometer method
Key result
Type:
relative density
Density:
1.813 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:  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

5.75632

3.17545

1.81276

2

20

5.60945

3.09213

1.81411

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

The  mean  density  of  the  test  item  at  20 °C  is  1.81344 g/cm³.  The  relative  density  D_4^20 is calculated  by  dividing  the  density  of  the  test  item  by  the  density  of  water  at  4 °C (0.9999750 g/cm³).  

The relative density is   D_4^20 = 1.813.

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-1 at 20 °C ± 0.01 °C (compared to water at 4 °C) is D_4^20 = 1.813.

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-1 at 20 °C ± 0.01 °C (compared to water at 4 °C) is D_4^20 = 1.813.

Key value for chemical safety assessment

Relative density at 20C:
1.813

Additional information