Registration Dossier
Registration Dossier
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EC number: 615-984-2 | CAS number: 73547-70-3
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 15 January 2018 to 16 January 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
- Specific details on test material used for the study:
- Source and lot/batch No.of test material: Sponsor and G316507
- Key result
- Type:
- density
- Density:
- 1 185 kg/m³
- Temp.:
- 20 °C
- Key result
- Type:
- relative density
- Density:
- 1.185 other:
- Temp.:
- 20 °C
- Conclusions:
- The density and relative density of the test item were found to be 1.185 g/cm^3 and 1.185 respectively according to guidelines.
Reference
Table 1. Determining the Density of the Immersion Liquid (IL)
| Mass of Empty Pycnometer (g) | 23.57 | Volume of Pycnometer (ml) | 24.8 |
| Mass water & Pycnometer (g) | 48.28 | Density of Water (g/cm3) (dW,t) | 0.998 |
| Mass of IL & Pycnometer (g) | 47.42 | Mass IL in Pycnometer (g) (m1) | 23.85 |
| Calculated Density of IL (g/cm3) | 0.963 | Density of IL (kg/m3) | 963 |
Equation 1 (Calculation for the density of water)
Mass of water / volume of pycnometer = Density of water
Equation 2 (Calculation for the density of immersion liquid)
d (IL) = (m1 x dW,t)/mW
Where: m1 is the mass of the immersion liquid; mw is the mass of water; dW,t is the desity of water at temperature t
Calculated value for the density of immersion liquid = 963 kg/m3 @ 20°C
Table 2. Determining the Density of the Sample
| Run number | 1 | 2 |
| Mass of Empty Pycnometer (g) | 23.57 | 23.57 |
| Mass of Sample & Pycnometer (g) | 31.29 | 32.07 |
| Mass of Sample added to empty Pycnometer (g) ms | 7.72 | 8.49 |
| Mass of Sample, Pycnometer & immersion liquid | 48.90 | 48.97 |
| Mass of immersion liquid added (g) m2 | 17.61 | 16.91 |
| Calculated Density of Sample (g/cm3) | 1.192 | 1.178 |
| Density of Sample (kg/m3) | 1192 | 1178 |
| Mean Result (kg/m3) | 1185 | |
Equation 3 (Calculation for the density of the sample)
d S,t = (ms x d (IL))/(m1 - m2)
Where: ms is the mass, in grams, of the sample; m1 is the mass, in grams, of immersion liquid required to fill empty pycnometer; m2 is the mass, in grams of immersion liquid added to fill pycnometer containing the sample; d (IL) is the denisty of the immersion liquid (as determined by equation 2).
Description of key information
The density and relative density of the test item were found to be 1.185 g/cm^3 and 1.185 respectively according to guidelines.
Key value for chemical safety assessment
- Relative density at 20C:
- 1.185
Additional information
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