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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:
2016-01-27 to 2016-02-12
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)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Deviations:
no
GLP compliance:
yes
Type of method:
pycnometer method
Key result
Type:
relative density
Density:
1.09 other: Unitless
Temp.:
20 °C

Results:

Table 1 shows the determined volume of the pycnometer. The results of the tests on the determination of the density of the test item are given in Table 2.

The individual measurements were obtained with a deviation of ≤ 0.01 g/cm3. According to the guideline, the density of the test item is given as the mean value.

Table 1: Determination of the volume of the pycnometer

 

Test 1

Test 2

Mean

Mass empty pycnometer (A) (g)

30.4749

30.4744

30.4747

Mass pycnometer with water (B) (g)

40.1020

40.1096

Volume of the pycnometer (cm3)

9.6445

9.6526

9.6486

 

Table 2: Density of the test item

 

Test 1

Test 2

Mean

Mass pycnometer with test item (C) (g)

40.9703

40.9797

 

Density (g/cm3)

1.088

1.089

1.09

 

Conclusion:

A pycnometer with a volume of 10 mL was used for the determination of the density and relative density of the test substance.

The density of the test item at 20°C is 1.09 g/cm3 (1.09 x 103kg/m3).

The relative density is 1.09.

Conclusions:
A relative density value of 1.09 at 20±0.5°C was determined for the substance using a relevant test method and in compliance with GLP. The result is considered to be reliable.

Description of key information

Relative density: 1.09 at 20±0.5°C (OECD 109)

Key value for chemical safety assessment

Relative density at 20C:
1.09

Additional information

A relative density value of 1.09 at 20±0.5°C was determined for the substance using a pycnometer in accordance with OECD Test Guideline 109 and in compliance with GLP. The result is considered to be reliable.

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