Registration Dossier
Registration Dossier
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EC number: 813-782-0 | CAS number: 5912-87-8
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 23 January - 22 April, 2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- The study was conducted according to an internationally recognised method, and under GLP. No deviation was reported. Test substance is adequately specified with isomer purity. Therefore full validation applies.
- 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
- Principles of method if other than guideline:
- Not applicable
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- UK GLP compliance programme (inspected on 05 February 2014 / signed on 07 October 2015)
- Type of method:
- pycnometer method
- Key result
- Type:
- relative density
- Density:
- 1.17
- Temp.:
- 20 °C
- Conclusions:
- The test substance is denser than water.
- Executive summary:
The relative density of the test substance was measured under GLP according OECD 109 / EU A3 guideline, pycnometer method. Two runs were performed, and the mean density at 20.0 °C was calculated. This result was then converted to relative density towards water at 4 °C.
The relative density of the test substance was found to be 1.17 at 20.0 ± 0.5 °C.
Reference
Table 4.4/1: Relative density – results
Parameter |
Determination 1 |
Determination 2 |
w1 |
21.95432 |
22.35157 |
w2 |
47.42399 |
47.67757 |
w3 |
42.73814 |
43.02080 |
w4 |
24.98578 |
25.37815 |
w5 |
43.63514 |
43.96405 |
W1 |
25.46967 |
25.32600 |
W2 |
20.78382 |
20.66923 |
W3 |
3.03146 |
3.02658 |
W4 |
18.64936 |
18.58590 |
W5 |
2.13446 |
2.08333 |
Density of the suspending displacement liquid at 20 °C |
0.81439 |
0.81449 |
Mean value |
0.81444 |
|
Vs |
2.62076 |
2.55798 |
Relative density of the test substance at 20 °C |
1.16 |
1.18 |
Mean value |
1.17 |
|
The individual results were within the estimated accuracy of ± 0.05 units.
Description of key information
True relative density (D20/4) = 1.17.
The substance is denser than water.
Key value for chemical safety assessment
- Relative density at 20C:
- 1.17
Additional information
A fully reliable experimental study, conducted similarly to OECD/EU method, is available.Therefore it is considered as a key study, and the result is retained as key data.
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