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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:
21 Jun 2012
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)
GLP compliance:
no
Type of method:
pycnometer method
Type:
relative density
Density:
1.153 other: unitless
Temp.:
20 °C

 Details:

Pycnometer No.

14

44

55

Mass [g] of empty pycnometer (a)

36.6285

35.3844

35.9669

Mass [g] of pycnometer with test item (b)

43.0423

41.8773

41.8086

Mass [g] of pycnometer with test item and immersion liquid (c)

56.6359

55.7864

56.0261

Mass [g] of test item (b-a)

6.4138

6.4929

5.8417

m3 [g] (c-b)

13.5936

13.9091

14.2175

Mass [g] of pycnometer with immersion liquid (d)

54.4471

53.5922

54.0005

Mass [g] of pycnometer with water (20 °C) (e)

60.0709

59.3359

59.6838

m1 [g] of immersion liquid (d-a)

17.8186

18.2078

18.0336

m2 [g] of water (20 °C) (e-a)

23.4424

23.9515

23.7169

Density [g/cm3] of immersion liquid

(m1/m2)*density(water, 20 °C)

0.7587

0.7588

0.7590

Density [g/cm3] of test item

(b-a)*density(immersion liquid)/(m1-m3)

1.152

1.146

1.162

Relative density D(20,4)

density(test item, 20 °C)/density(water, 4 °C)

1.152

1.146

1.162

Average relative density D(20,4)

1.153

 

Description of key information

1.153 at 20 °C

Key value for chemical safety assessment

Relative density at 20C:
1.153

Additional information

The relative density was determined by pycnometer method according to OECD Guideline 109.