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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:
22 July 2019
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
GLP compliance:
yes (incl. QA statement)
Type of method:
pycnometer method
Key result
Type:
density
Density:
1.228 g/cm³
Temp.:
20 °C
Key result
Type:
relative density
Density:
1.228 other: dimensionless
Temp.:
20 °C

Table 1: Results of density determination

Test No.

Mass of empty pycnometer

 (mo)

Mass of pycnometer with water

 (m1)

Mass of pycnometer with immersing liquid (m2)

Mass of

pycnometer with tested material

 (m3)

Mass of

pycnometer with tested material and immersing liquid,

(m4)

Density

[g]

[g]

[g]

[g]

[g]

[g/ml]

1

24.1485

49.4095

40.8220

32.9961

44.8995

1.2206

2

24.1487

49.4093

40.8221

33.2488

45.0794

1.2366

 

 

 

 

 

Average

1.228

Note: As the difference between results was less than 0.03 g/ml; hence two trials were enough.

Conclusions:
The relative density of the tested material was determned to be 1.228 at 20ºC.

Executive summary:

Determination of density was carried out in accordance with OECD 109 Guideline and EU method A.3, with GLP. The density determination of the tested material was performed using the Gay-Lussac pycnometer. Two measurements were performed and considered enough as the difference between results was less than 0.03 g/ml. The average measured absolute density of the tested material at 20°C was 1.228 g/mL. The average calculated relative density of the tested material at 20°C was 1.228.

Description of key information

Key study: Test method according to OECD 109/ EU Method A.3, GLP study. The measured absolute density of the tested material at 20°C was 1.228 g/mL and the calculated relative density was 1.228 at 20ºC.

Key value for chemical safety assessment

Relative density at 20C:
1.228

Additional information