Registration Dossier
Registration Dossier
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EC number: 273-620-4 | CAS number: 68990-67-0 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Quillaja saponaria, Rosaceae.
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
An approach to determine the vapour pressure of Saponin DAB 9 following EU A.4 using the effusion method (weight loss) was made.
Vapour pressure was examined at nine different temperatures (nominal temperatures 30, 45, 60, 75, 90, 105 and 120 °C). All experiments showed no relevant and/or no reproducible weight loss. The weight loss in the first measurement series at 30 °C was considered to be caused by humidity of the test item. At 120 °C the test item began to show signs of decomposition. Throughout the experiment no linear range of evaluable values could be observed.
A determination was considered not applicable and the vapour pressure of Saponin DAB 9 should be stated as limit value of 8.53*10-03Pa.
Key value for chemical safety assessment
- Vapour pressure:
- 0.009 Pa
- at the temperature of:
- 105 °C
Additional information
Data obtained from a guideline study according to OECD guideline 104 and therefore considered reliable without restrictions.
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