Registration Dossier
Registration Dossier
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EC number: 203-347-8 | CAS number: 105-95-3
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
The substance is NOT considered as a volatile organic compound (V.O.C.) according to Directive 1999/13/EC criteria.
Key value for chemical safety assessment
- Vapour pressure:
- 0.017 Pa
- at the temperature of:
- 20 °C
Additional information
An experimental study is available on the substance, but reliability could not be assigned, due to lack of information. Therefore, two QSAR models were used in a weight of evidence approach. The raw VP estimations were found to be consistent with each other, however their predictions for BP were found to be significantly higher than the available experimental value. As VP and BP are closely related, the first set of VP was supposed to be underestimated. For the model that could be refined, correction with experimental MP and BP lead to an estimated VP very close to the experimental result. This supports the reliability of the study.
The experimental value is prefered (to the mean of exp. and qsar) and retained as key value for purpose of CSA.
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