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Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Experimental Starting Date: 17 May 2012, Experimental Completion Date: 03 July 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
Study conducted to GLP and in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not effect the quality of the relevant results.
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
GLP compliance:
yes (incl. QA statement)
Type of method:
pycnometer method
Type:
relative density
Density:
1.04
Temp.:
20.6 °C
Type:
density
Density:
1 040 kg/m³
Temp.:
20.6 °C

Results

Calibration

The pressure readings and the calculated volume for the reference and sample cells are shown in the following table:

 

Table 3.7

 

Determination

p1

p2

p3

p4

Reference Cell Volume (cm3)

Sample Cell Volume (cm3)

1

17.393

6.583

17.371

8.604

90.761

149.039

2

17.465

6.612

17.289

8.565

90.807

149.052

3

17.340

6.567

17.309

8.576

90.906

149.129

 

 

Sample

The pressure readings, calculated volumes and density values obtained for the test item are shown in the following table:

 

Table 3.8

 

Determination

Test

p1

p2

Volume (cm3)

Density

(kg/m3)

Mean Density (kg/m3)

1

A

17.403

7.260

22.182

1.04 x 103

1.04 x 103

B

17.296

7.212

22.080

1.04 x 103

C

17.292

7.209

22.040

1.04 x 103

2

A

17.281

7.204

22.027

1.03 x 103

1.04 x 103

B

17.431

7.260

21.831

1.04 x 103

C

17.414

7.251

21.774

1.04 x 103

 


Temperature: 20.6 ± 0.5°C

Mean density: 1.04 x 103 kg/m3

Relative density: 1.04



Conclusions:
The relative density of the test item has been determined to be 1.04 at 20.6 ± 0.5 °C.
Executive summary:

Relative Density

Method

The determination was carried out using a gas comparison pycnometer, designed to be compatible with Method A3 Relative Density of Commission Regulation (EC) No 440/2008 of 30 May 2008, Method 109 of the OECD Guidelines for Testing of Chemicals, 27 July 1995 and Method 830.7300 of the OPPTS Guidelines.

Conclusion

The relative density of the test item has been determined to be 1.04 at 20.6 ± 0.5 °C.

Description of key information

The relative density of the test item has been determined to be 1.04 at 20.6 ± 0.5 °C.

Key value for chemical safety assessment

Relative density at 20C:
1.04

Additional information

The determination was carried out using a gas comparison pycnometer, designed to be compatible with Method A3 Relative Density of Commission Regulation (EC) No 440/2008 of 30 May 2008, Method 109 of the OECD Guidelines for Testing of Chemicals, 27 July 1995 and Method 830.7300 of the OPPTS Guidelines.

The relative density of the test item has been determined to be 1.04 at 20.6 ± 0.5 °C.