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Diss Factsheets

Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
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
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: 151124012
- Expiration date of the lot/batch: 01 March 2020
- Purity test date: Not reported

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Ambient
- Stability under test conditions: Stable under recommended storage conditions.
Type:
relative density
Density:
0.972
Temp.:
20 °C

Table 1: Results of relative density study

Parameter

Sample A

Sample B

 

 

 

w1

24.82230

24.63099

w2

49.38877

49.66973

w3

48.75471

49.02449

 

 

 

W1

24.56647

25.03874

W2

23.93241

24.39350

 

 

 

Dt4

0.972

0.972

 

 

 

Where:

w1= weight of empty pycnometer (g)

w2= weight of pycnometer and water (g)

w3= weight of pycnometer and displacement liquid (g)

W1 =Mass of water to fill pycnometer

W2 = Mass of displacement liquid to fill pycnometer

Dt4= relative density of test item at test temperature compared to water at 4°C

Conclusions:
The relative density of the test item was determined to be 0.972 at 20°C.
Executive summary:

The relative density of the test item was determined in a study following OECD 109 and EC Method A.3 guidelines, using the pycnometer method (Dunning 2019). The relative density of the test item was determined to be 0.972 at 20°C.

The study is a GLP compliant, guideline experimental study and is fully acceptable for assessment of this endpoint.

Description of key information

The relative density of the test item is 0.972 at 20°C.

Key value for chemical safety assessment

Relative density at 20C:
0.972

Additional information

The relative density of the test item was determined in a study following OECD 109 and EC A.3 guidelines, using the pycnometer method (Dunning 2019). The study is a GLP compliant, guideline experimental study and is fully acceptable for assessment of this endpoint.