Registration Dossier
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EC number: 800-766-3 | CAS number: 1424148-97-9
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
The vapour pressure of Penta-PSCA Na-TEA is 0.2 Pa at 20 °C.
Key value for chemical safety assessment
- Vapour pressure:
- 0.2 Pa
- at the temperature of:
- 20 °C
Additional information
The experimental value for the total vapour pressure is 2060 Pa (20°C), which is influenced mainly due to the water content. Therefore it can't be taken as appropriate value and the vapour pressure was calculated assuming that the various components contribute to an extent proportional to their mole fractions.
The calculation gives the following result for the vapour pressure at 20 °C:
Total
(active + water): 1215 Pa
Active: 0.2 Pa
(Pentapropenyl succinimido)-hexanoate, sodium and triethanolamine salts: 10-8Pa
Since the calculated vapour pressure for the active is mainly related to the pentapropylene impurity, for the exposure assessment of (Pentapropenyl succinimido)-hexanoate, sodium and triethanolamine salts the vapour pressure of this component ( 10-8Pa) will be used.
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