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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:
2013-08-08
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Remarks:
The study was conducted in accordance with a relevant test method and in compliance with a known quality system (ISO 9001:2008)
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
GLP compliance:
no
Other quality assurance:
other: ISO 9001:2008
Type of method:
oscillating densitimeter
Key result
Type:
relative density
Density:
1.173
Temp.:
20 °C

Table 1: Results

Measurement

Density 20°C [g/cm3]

Relative density D20/4*

Test 1

1.17318

1.17322

Test 2

1.17321

1.17325

Mean value

1.173

1.173

*The relative density D20/4is the ratio between the measured density of the test substance at 20°C and the density of water at 4°C (= 0.9999 7 g/cm3). The relative density has no dimension.

 

Check measurement: Density of degassed deionized water at 20°C: 0.99820 g/cm3

Reference value: 0.99820 ± 0.00005 (20°C)

Conclusions:
A relative density value of 1.173 at 20°C was determined for the substance using a relevant test method and in compliance with a known quality system. The result is considered to be reliable.

Description of key information

Relative density: 1.173 at 20°C (EU Method A.3)

Key value for chemical safety assessment

Relative density at 20C:
1.173

Additional information

A relative density value of 1.173 at 20°C was determined for the substance using an oscillating densitimeter in accordance with EU Test Method A.3 and in compliance with a known quality system (ISO 9001:2008). The result is considered to be reliable and is selected as key study.

In available secondary sources to which reliability could not be assigned, density values of 1.176 g/cm3 at 20°C and 1.17 g/cm3 at 25°C were reported for the substance.