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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:
28 Jul 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Type of method:
air comparison pycnometer (for solids)
Remarks:
gas: Helium
Specific details on test material used for the study:
Storage conditions: dry at ambient temperature (10 - 30 °C)
Type:
relative density
Density:
2.79 other: dimensionless
Temp.:
20 °C

 Results
Relative Density
Two tests with different amounts of the test item were done to determine the relative density D420at a temperature of 20 °C
± 0.01 °C.

Table 1 – Results

Test no.

Temperature [°C]

Amount of test item [g]

Average sample volume [cm3]

Density [g/cm3]

1

20

6.81

2.40817

2.82788

2

20

6.80

2.47460

2.74791

 

The mean density of the test item at 20 °C is 2.7879 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 = 2.79.

Description of key information

Relative Density: 2.79 at 20 °C (OECD 109, air comparison pycnometer).

Key value for chemical safety assessment

Relative density at 20C:
2.79

Additional information