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Diss Factsheets

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 test guidelines
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Principles of method if other than guideline:
The density of test chemical was determined following OECD Guideline 109 and according to the IS 4730 : 1994 (Reaffirmed 2010) – Method for Determination of Density of Liquids (First Revision) using glass pyknometer.
GLP compliance:
no
Type of method:
pycnometer method
Key result
Type:
density
Density:
1.416 g/cm³
Temp.:
20 °C
Remarks on result:
other: No other detail available

Observation Table :

S. No.

Method Details

Observed Values

1stObservation

  2ndObservation

1.                   

Guideline

OECD 109

 

 

2.                   

Method

IS 4730 : 1994 (Reaffirmed 2010) – Method for Determination of Density of Liquids (First Revision)

3.                   

Principle of Method

Determination of the mass at a given temperature of a volume of the material contained in a density bottle (pyknometer) and determination of the volume of the latter by determining the mass of the corresponding volume of water at the same temperature. The density is obtained by dividing the mass of material by its volume.

 

 

4.                   

Test temperature    

(°C)

20oC

20oC

5.                   

Atmospheric pressure

(hPa)

966.8 hPa

969.4 hPa

6.                   

Weight of empty dry pyknometer(X)

g

 

31.074 g

 

29.106 g

7.                   

Weight of pyknometer + test item(Y)

g

 101.294 g

 99.560 g

8.                   

Apparent mass of test item(M1)

(M1= Y - X)g

 70.22 g

 70.454 g

9.                   

Weight of pyknometer + water(Z)

g

 80.845 g

 78.454 g

10.               

Apparent mass of water(M2)

(M2 = Z - X)g

 49.771 g

 49.771 g

11.               

Buoyancy correction(A)

A=(*ρat× M2)

 0.0581

 0.0576

12.               

Density of water** at test temperature

                g/cm3tw)

0.9982 g/cm3

0.9982 g/cm3

Conclusions:
The density of test chemical was determined following OECD Guideline 109 and according to theIS 4730 : 1994 (Reaffirmed 2010) – Method for Determination of Density of Liquids (First Revision) using glass pyknometer. The mean density of test chemical was determined to be 1.4162 g/cm³ at 20°C and 968.1 hPa.
Executive summary:

The density of test chemical was determined following OECD Guideline 109 and according to theIS 4730 : 1994 (Reaffirmed 2010) – Method for Determination of Density of Liquids (First Revision) using glass pyknometer. The mean  density of test chemical was determined to be 1.4162 g/cm³ at 20°C and 968.1 hPa.

Description of key information

The density of test chemical was determined following OECD Guideline 109 and according to theIS 4730 : 1994 (Reaffirmed 2010) – Method for Determination of Density of Liquids (First Revision) using glass pyknometer. The mean  density of test chemical was determined to be 1.4162 g/cm³ at 20°C and 968.1 hPa.

Key value for chemical safety assessment

Relative density at 20C:
1.416

Additional information

The density of test chemical was determined following OECD Guideline 109 and according to theIS 4730 : 1994 (Reaffirmed 2010) – Method for Determination of Density of Liquids (First Revision) using glass pyknometer. The mean  density of test chemical was determined to be 1.4162 g/cm³ at 20°C and 968.1 hPa.

Based on available data from reliable sources such as authoritative database and handbook ,the density of test chemical was determined to be in the range of 1.395 g/cm3 to 1.424 g/cm3.

Other supporting study from authoritative database indicates that the density of test chemical was determined to be 1.422 g/cm3 at 20 degree C.

As the data from experiment has K1 reliability and the test was performed using OECD guidelines which has the value of mean density as 1.4162 g/cm³ at 20°C and 968.1 hPa thus considered as key study for the chemical safety assessment.