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EC number: 202-442-1 | CAS number: 95-70-5
Density
Administrative data
Link to relevant study record(s)
- 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.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
- Type:
- density
- Density:
- 1.19 kg/m³
- Temp.:
- 21 °C
- Type:
- relative density
- Density:
- 1.19
- Temp.:
- 21 °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.
Reference
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 | P2 | 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
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.
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