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Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Remarks:
Other density types indicated (migrated information): density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
24 October 2011 until 16 November 2011
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline-conform study under GLP without restrictions.
Reference:
Composition 0
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
pycnometer method
Test material information:
Composition 1
Type:
density
Density:
1.19 kg/m³
Temp.:
21 °C
Type:
relative density
Density:
1.19
Temp.:
21 °C

Results

Calibration

The pressure readings and the calculated volume for the calibration sphere are shown in the following table:

Determination

P1

P2

P3

P4

Reference Cell Volume (cm3)

Sample Cell Volume (cm3)

1

17..210

6.511

17.083

8.459

90.681

149.009

2

17.420

6.592

17.579

8.710

90.590

148.802

3

17.233

6.525

17.624

8.731

90.855

149.100

Sample

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

Determination

Test

P1
(sample)

P2
(sample)

Volume (cm3)

Density (kg/m3)

Mean Density (kg/m3)

Relative Density

1

A

17.096

7.141

22.517

1.18 x 103

1.19 x 103

1.19

B

17.011

7.104

22.471

1.19 x 103

C

17.203

7.179

22.314

1.19 x 103

2

A

17.451

7.467

27.685

1.18 x 103

1.19 x 103

1.19

B

17.167

7.338

27.469

1.19 x 103

C

17.345

7.412

27.410

1.19 x 103

Mean density:                     1.19 x 103kg/m3                        

Mean relative density:         1.19

Temperature:                      21.0 ± 0.5°C

Conclusions:
The relative density of the test item has been determined to be 1.19 at 21.0 ± 0.5°C.
Executive summary:

The purpose of this study conducted in GLP was to determine the relative densitiy of test item 2,5-Diaminotoluene via EU Method A.3 (pycnometer method). The relative density of the test item has been determined to be 1.19 at 21.0 ± 0.5°C.

Description of key information

Substance 2-methyl-p-phenylenediamine has a relative density of 1.19 at 21.0 ± 0.5°C.

Key value for chemical safety assessment

Additional information

A Klimisch-1 -rated study on the determination of the relative density of test item 2-methyl-p-phenylenediamine has been conducted. The relative density of the test item has been determined to be 1.19 at 21.0 ± 0.5°C.