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Physical & Chemical properties

Density

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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:
OECD Guideline 109 (Density of Liquids and Solids)
Qualifier:
according to
Guideline:
other: ASTM D 854-02
GLP compliance:
no
Type of method:
pycnometer method
Key result
Type:
density
Density:
1.37 g/cm³
Temp.:
20 °C
Remarks on result:
other: at 965.3 hPa

Observation Table :

S. No.

Method Details

Observed Values

1stObservation

  2ndObservation

1.                   

Guideline

OECD 109

 

 

2.                   

Method

Adapted from ASTM

D854-02

3.                   

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 water

at a stated temperature.

 

 

4.                   

Test temperature    

(°C)

20oC

20oC

5.                   

Atmospheric pressure

(hPa)

964.3 hPa

966.4 hPa

6.                   

Weight of empty dry pyknometer(Wp)

g

  29.208 g

30.234 g

7.                   

Weight of pyknometer + test item(WA)

g

  78.895 g

80.894 g

8.                   

Weight of

pyknometer +test

Item+ water (WB)

g

  80.114 g

82.081  g

 9.  

Density of water at

test temperature

g/cm³ (ρtw)

  0.9982   0.9982

CALCULATIONS:

FOR SOLIDS: By Pyknometer:

      Calculated values
   1st Calculation  2nd Calculation
 Wo=WPS-WP  4.0290  5.0110
 (WA-WB)  -1.2190  -1.1870

 Specific Gravity = WO/[WO +

(WA-WB)]

1.4338 

 1.3104

 Specific Gravity; Gs

 1.4338

 1.3104

 Density (g/cm³)

 1.4312

    1.3080

 Mean Density (g/cm³)

 1.3696   

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 1.3696 g/cm³ at 20°C and 965.3 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 1.3696 g/cm³ at 20°C and 965.3 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 1.3696 g/cm³ at 20°C and 965.3 hPa.

Key value for chemical safety assessment

Relative density at 20C:
1.37

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 1.3696 g/cm³ at 20°C and 965.3 hPa.

In a supporting study fromauthoritative databases,the density of test chemical was estimated to be 1.451 ± 0.06 g/cm3 at 20 °C and 760 mmHg.