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Density

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Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
09 Aug 2012
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
GLP compliance:
not specified
Type of method:
pycnometer method
Type:
relative density
Density:
0.94 other: Relative density is dimensionless.
Remarks on result:
other: Relative density is dimensionless.

Table of results:

 

Pycnometer No.

849

850

860

mpycnometer (g)

35.9833

35.9385

36.8185

mpycnometer + test item(g)

47.8966

47.9382

48.8100

mpycnometer + test item + immersion liquid (g)

56.5551

56.9169

57.2911

mtest item (g)

11.9133

11.9997

11.9915

m3 (g)

8.6585

8.9787

8.4811

mpycnometer + immersion liquid (g)

54.2524

54.5877

54.9653

mpycnometer + water (20 °C) (g)

59.9900

60.4293

60.6631

m1 immersion liquid (g)

18.2691

18.6492

18.1468

m2 water (20 °C) (g)

24.0067

24.4908

23.8446

ρ(immersion liquid) (g/cm3)

0.7596

0.7601

0.7597

ρ(test item) (g/cm3)

0.942

0.943

0.942

Relative Density D420

0.942

0.943

0.942

Average relative density D420

0.942

 

 

Details:

To verify the insolubility of the test item in the immersion liquid, the density of the immersion liquid “Shellsol T” was measured before and after the determination.

 

ρ(Shellsol T (20 °C) before determination (g/cm3): 0.760

ρ(Shellsol T (20 °C) after determination (g/cm3):    0.761

 

No significant change in density was observed. Under the conditions used for the determination (temperature, incubation time) the test item is insoluble in the immersion liquid.

Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to other study
Qualifier:
no guideline followed
Principles of method if other than guideline:
Testing method not reported.
GLP compliance:
no
Type:
density
Density:
860 kg/m³
Temp.:
80 °C
Type:
density
Density:
0.86 g/cm³
Temp.:
80 °C
Type:
relative density
Density:
0.86 other: Relative density is dimensionless
Remarks on result:
other: Relative density is dimensionless

Description of key information

Relative density: 0.94

Key value for chemical safety assessment

Relative density at 20C:
0.94

Additional information

A relative density value of 0.94 was determined using the pycnometer method according to EU Method A.3. This is supported by a measured density value of 0.86 g cm3 at 80 °C.