Registration Dossier
Registration Dossier
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EC number: 482-130-1 | CAS number: -
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 9th May 2005
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Date of inspection: December 2002; Date of certificate: February 2003
- Type of method:
- pycnometer method
- Type:
- relative density
- Density:
- 0.97
- Temp.:
- 20 °C
- Conclusions:
- The relative density of the test material has been determined to be 0.816 at 20.0 ± 0.5°C.
- Executive summary:
The relative density for Paraffin waxes (Fischer-Tropsch), full range, C15-50- branched and linear was determined using the pycnometer method, Method A.3 of Commission Directive 92/69/EEC (which constitutes Annex V of Council Directive 67/548/EEC).
A glass pycnometer of 25 ml nominal capacity was cleaned and dried to a constant weight. Distilled water and test material were equilibrated at 20.0 +/-0.5 deg C. A calibration was carried out by determining the mass of distilled water required to fill the pycnometer. The pycnometer was then emptied and dried to constant weight. The mass of test material required to fill the pycnometer was then determined. The relative density was then calculated.
The relative density of the test material has been determined to be 0.816 at 20.0 ± 0.5°C.
Reference
Results of duplicate determinations of relative density are shown in the following table:
Measurement |
Determination |
|
1 |
2 |
|
Mass of pycnometer (g) |
7.6122 |
7.6125 |
Mass of pycnometer and distilled water at 20.0ºC (g) |
17.8775 |
17.8772 |
Mass of pycnometer and test material at 20.0ºC (g) |
16.0007 |
16.0006 |
Density of water at 20.0ºC (kg/m3) |
998.20 |
998.20 |
Density (kg/m3) |
815.70 |
815.71 |
Relative density |
0.816 |
0.816 |
Mean relative
density: 0.816
Temperature: 20.0 ± 0.5ºC
Description of key information
relative density of the test material at 20.0 ± 0.5°C (determined using the pycnometer method, EU Method A.3): 0.816 (arithmetic mean of two determinations)
Key value for chemical safety assessment
- Relative density at 20C:
- 0.816
Additional information
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