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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 result performed using standard methods of analysis
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:
0.403 g/cm³
Temp.:
20 °C
Remarks on result:
other: At pressure 973 hPa

Method Details

Observations

Remarks if, any

Guideline

OECD 109

1stReading

2nd Reading

 

 

 

Method

Adapted from ASTM 854-02

 

 

 

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 water at a stated temperature.

 

 

 

Test temperature (°C)

-

20oC

20oC

 

Atmospheric pressure (in hPa)

-

972.5

973.6

 

Weight of empty dry pyknometer (Wp)

 

30.923

29.264

 

Weight of pyknometer filled with water (WA)

 

80.432

78.535

 

Weight of pyknometer + test Item (WPS)

 

36.079

34.200

 

Weight of pyknometer +test Item+ water (WB)

 

73.202

70.829

 

 

CALCULATIONS:

 

Calculated values

1st Calculation

2nd Calculation

 

Wo=WPS-WP

 

5.1560

 

4.9360

 

(WA-WB)

 

7.2300

 

7.7060

 

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

0.4162

0.3904

 

Specific Gravity; Gs

0.4162

0.3904

Density (g/cm³)

0.4154

0.3896

Mean Density (g/cm³)

0.4025

Conclusions:
The density of test chemical was determined following OECD Guideline 109 and according to the Adapted from ASTM D854-02 using glass pyknometer. The mean density of test chemical was determined to be 0.4025 g/cm³ at 20°C and 973 hPa.
Executive summary:

The density of test chemical was determined following OECD Guideline 109 and according to the method Adapted from ASTM D854-02 using glass pyknometer. The mean density of test chemical was determined to be 0.4025 g/cm³ at 20°C and 973 hPa.

Description of key information

The density of test chemical was determined following OECD Guideline 109 and according to the method adapted from ASTM D854-02 using glass pyknometer. The mean density of test chemical was determined to be 0.4025 g/cm³ at 20°C and 973 hPa.

Key value for chemical safety assessment

Relative density at 20C:
0.403

Additional information

The density of test chemical was determined following OECD Guideline 109 and according to the method adapted from ASTM D854-02 using glass pyknometer. The mean density of test chemical was determined to be 0.4025 g/cm³ at 20°C and 973 hPa.