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Density

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Reference
Endpoint:
density, other
Remarks:
density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2015-05-20
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
signed, 2013-03-22
Type of method:
air comparison pycnometer (for solids)
Specific details on test material used for the study:
- Storage condition of test material: Ambient temperature, keep container tightly closed, store dry
Type:
density
Density:
1.187 g/cm³
Temp.:
20 °C
Remarks on result:
other: mean of two measurements
Remarks:
relative density: 1.19

Two tests with different amounts of the test item were performed to determine the relative density D420 at a temperature of 20 °C ± 0.01 °C.

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  9.27  7.80885  1.18583
 2  20  8.02  6.74890  1.18834

* The pressurizing-expansion cycles are performed until 5 subsequent volume measurements have a relative standard deviation (RSD) of ≤ 0.2 %.

The mean density of the test item at 20 °C is 1.18709 g/cm³. The relative density D420 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          D420 =1.19.

Conclusions:
According to OECD Test Guidelines 109 (2012), Regulation EC No. 440/2008 Part A. Method A.3. and EPA OCSPP Test Guideline 830.7300 (2002), the relative density D420 of the test item strontium neodecanoate at 20 °C ± 0.01 °C (compared to water at 4 °C) is D420 = 1.19.

Description of key information

The relative density D420 of Strontium neodecanoate is 1.19

Key value for chemical safety assessment

Relative density at 20C:
1.19

Additional information

According to OECD Test Guidelines 109 (2012), Regulation EC No. 440/2008 Part A. Method A.3. and EPA OCSPP Test Guideline 830.7300 (2002), the relative density D420 of the test item Strontium neodecanoate at 20 °C ± 0.01 °C (compared to water at 4 °C) is D420 = 1.19.

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