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Diss Factsheets

Physical & Chemical properties

Density

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Link to relevant study record(s)

Reference
Endpoint:
density, other
Remarks:
density
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard OECD test guidelines
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Qualifier:
according to guideline
Guideline:
other: ASTM D 854-02
GLP compliance:
no
Type of method:
pycnometer method
Key result
Type:
density
Density:
0.898 g/cm³
Temp.:
20 °C
Remarks on result:
other: at 976.65 hPa

Method Details

Observations

Remarks if, any

Guideline

OECD 109

1stReading

2nd Reading

 

 

Method

Adapted from ASTM D854-02

 

 

Principle of method

The density of test item is determined by using pyknometer. It is the ratio of mass of the unit volume of test item at a stated temperature to mass of the same volume of gas free distilled waterat a stated temperature.

 

 

Test temperature (°C)

-

20°C

20°C

Density of water at test temperature; g/cm³ (ρtw)

 

0.9982

0.9982

Atmospheric

pressure (in hPa)

-

977.5

975.8

Weight of empty dry

pyknometer (Wp)

 

31.114

29.100

Weight of pyknometer filled

with water (WA)

 

80.755

78.654

Weight of pyknometer + test Item (WPS)

 

41.010

38.651

Weight of pyknometer +test

Item+ water (WB)

 

78.568

78.455

*ρat=density of air at 27°C and 760 mm Hg pressure=0.001168 g/cm³

**Density of water referred from the Table 1 of the was method.

CALCULATIONS:

FOR SOLIDS: By Pyknometer:

 

Calculated values

1st Calculation

2nd Calculation

Wo=WPS-WP

9.8960

9.5510

(WA-WB)

2.1870

0.1990

Specific Gravity = WO/[WO +(WA-WB)]

0.8190

0.9795

Specific Gravity; Gs

0.8190

0.9795

Density (g/cm³)

0.8175

0.9777

Mean Density (g/cm³)

0.8982

 

Conclusions:
The density of test chemical was determined following OECD guideline 109 and according to the method adapted from ASTM D 854-02. The mean density of the test chemical was determined to be 0.8982 g/cm³ at 20°C and 976.65 hPa.
Executive summary:

The density of test chemical was determined following OECD Guideline 109 (Density of Liquids and Solids) and according to the method adapted from ASTM D 854-02 using glass pyknometer. The mean density of the test chemical was determined to be 0.8982 g/cm³ at 20°C and 976.65 hPa.

Description of key information

Based on the available data from study report,the density of test chemical was determined following OECD Guideline 109 (Density of Liquids and Solids) and according to the method adapted from ASTM D 854-02 using glass pyknometer. The mean density of the test chemical was determined to be 0.8982 g/cm³ at 20°C and 976.65 hPa.

Key value for chemical safety assessment

Relative density at 20C:
0.898

Additional information

Based on the available data from study report,the density of test chemical was determined following OECD Guideline 109 (Density of Liquids and Solids) and according to the method adapted from ASTM D 854-02 using glass pyknometer. The mean density of the test chemical was determined to be 0.8982 g/cm³ at 20°C and 976.65 hPa.

In a supporting study from handbook, the density of the test chemical was determined to be 0.9887 g/cm3 at 25°C.