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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:
27 August 2002
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
GLP compliance:
yes (incl. certificate)
Other quality assurance:
other: In-house quality assurance: study was periodically inspected and properly signed records of i nspections were submitted to testing facility
Type of method:
pycnometer method
Dynamic viscosity of test material:
No information on the dynamic viscosity of the test material is available. However, due to the high water content, the viscosity of the test material will be within the applicability domain of the method (i.e. < 500 Pa s).
Key result
Type:
relative density
Density:
1.071 other: (corresponds to D4(20))
Temp.:
20 °C

The measured values and the calculated results are listed in the results table:

Definition of terms:

P = Pycnometer

m = mass [g]

S = Test substance

V = Volume [mL]

Test no. [#]

1

2

 

P no. [#]

19

20

 

V (P) [cm3]

50.736

50.489

 

m (P) [g]

43.6242

43.2072

 

m (P+S) [g]

97.9800

97.2980

 

m (S) [g]

54.3558

54.0908

 

Density (S) [kg/m 3]

1071.3458

1071.3383

 

Relative Density

1.0714

1.0714

 

Mean Relative Density

1.0714

+-

0.0000

Density of water at 4 °C: 999.972 kg/m3

Formulas:

m (S) = m (P+S) - m (P)

V (S) = V (pycnometer)

Density (S) [kg/m3] = (m (S) [g] / V (S) [cm3]) 1000

Relative density = Density (S) [kg/m3] / 999.972 [kg/m3] (Density of water at 4 °C)

Conclusions:
The relative density of the test item is 1.071 (corresponds to D4(20)).
Executive summary:

The relative density of the test item was determined by the pycnometer meter in a GLP study according to EU test method A.3 and OECD testing guideline 109. The relative density of the test item is 1.071 (corresponds to D4(20)).

Description of key information

The relative density of the test item is 1.071 (corresponds to D4(20)).

Key value for chemical safety assessment

Relative density at 20C:
1.071

Additional information