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Density

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Endpoint:
density
Remarks:
density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
February 5, 2016 - March 9, 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
GLP compliance:
yes
Type of method:
pycnometer method
Key result
Type:
density
Density:
0.998 g/cm³
Temp.:
20 °C

Using the helium pycnometer method, the density of the test substance was obtained at room temperature (approximately 20°C). The mean density result was0.9983 ± 0.0057 g/cm3
(998.3 ± 5.7 kg/m3)
. The results of the density determinations are presented in the Table below .

Table: Determination of Density for the Test Substance

 

Sample1

ID

Sample Weight (g)

Sample Volume (cm3)

Sample Density (g/cm3)

Sample Density2(kg/m3)

Average Density g/cm3   (kg/m3)

523C-216-1

1.0893

 

1.0821

1.0907

1.0845

1.0820

1.0851

1.0822

 

1.0067

0.9987

1.0045

1.0068

1.0039

1.0065

 

1006.7

998.7

1004.5

1006.8

1003.9

1006.5

 

1.0045 (1004.5)

523C-216-2

1.0476

 

1.0466

1.0505

1.0531

1.0589

1.0562

1.0541

 

 

1.0010

0.9973

0.9948

0.9893

0.9919

0.9939

 

 

1001.0

997.3

994.8

989.3

991.9

993.9

 

0.9947 (994.7)

523C-216-3

1.0042

 

1.0058

1.0051

1.0089

1.0086

1.0146

1.0092

 

 

0.9984

0.9991

0.9953

0.9957

0.9897

0.9951

 

 

998.4

999.1

995.3

995.7

989.7

995.1

 

0.9956 (995.6)

 

Overall Mean:

0.9983

998.3

 

 

Standard Deviation:

0.0057

5.7

 

 

% RSD:

0.566

0.566

 

1The barometric pressure and room temperature remained mostly constant for all samples: 30.13 to 30.16 inches Hg and 19.6 to 20.0°C, respectively. Note: Calculations (Overall Mean, Standard Deviation, and % RSD) were performed using MicrosoftÒEXCEL 2010 in full precision mode.

2kg/m3= g/cm3x 1000

Conclusions:
The test substance provided a mean density result of 0.9983 ± 0.0057 g/cm3
(998.3 ± 5.7 kg/m3).
Executive summary:

The study was performed following procedures in the U.S. Environmental Protection Agency, Product Properties Test Guidelines, OPPTS 830.7300,Density/Relative Density/Bulk Density(1) and Organisation for Economic Cooperation and Development, Guideline for the Testing of Chemicals, 109,Density of Liquids and Solids(2). The experimental portion of the study was conducted on February 5, 2016.

The test substance provided a mean density result of 0.9983 ± 0.0057 g/cm3 (998.3 ± 5.7 kg/m3) at 20oC.

Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
5 December 2000
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
GLP compliance:
yes
Type of method:
pycnometer method
Specific details on test material used for the study:
Appearance: Light brown solid
Storage conditions: Room temperature in the dark
Expiry date: September 2004
Key result
Type:
relative density
Density:
1.04
Temp.:
21 °C
Conclusions:
The relative density (D4') of the test substance was found to be 1.04
Executive summary:

The relative density of the test substance was determined relative to purified water using a pyknometer at 21°C. Aqueous Tween 80 (0.1% v/v) was employed as the displacement liquid.

The relative density (DT ) of solids and liquids is defined as the ratio of the mass of a volume of substance to be examined, determined at T°C, and the mass of the same volume of water at 4°C.

The relative density (D4') of the test substance was found to be 1.04

The relative density (D4') of the test substance was found to be 1.04.

Description of key information

 Two studies were performed on the registered substance. The test substance provided a density range of 0.9983 g/cm3at 20oC and 1.04 at 21oC. 

Key value for chemical safety assessment

Relative density at 20C:
0.998

Additional information

The study was performed following procedures in the U.S. Environmental Protection Agency, Product Properties Test Guidelines, OPPTS 830.7300,Density/Relative Density/Bulk Density(1) and Organisation for Economic Cooperation and Development, Guideline for the Testing of Chemicals, 109,Density of Liquids and Solids(2). The experimental portion of the study was conducted on February 5, 2016.

The test substance provided a mean density result of 0.9983 ± 0.0057 g/cm3 (998.3 ± 5.7 kg/m3) at 20oC.