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Registration Dossier
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EC number: 242-272-5 | CAS number: 18395-30-7
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
Vapour pressure (trimethoxy(2-methylpropyl)silane: 190 Pa at 25°C (QSAR)
Vapour pressure ((2-methylpropyl)silanetriol): 0.00294 Pa at 25°C (QSAR)
Key value for chemical safety assessment
- Vapour pressure:
- 190 Pa
- at the temperature of:
- 25 °C
Additional information
A vapour pressure of 190 Pa at 25°C was determined for the substance using an appropriate QSAR predictive method. The result is considered to be reliable and is selected as key. Trimethoxy(2-methylpropyl)silane was reported to have a vapour pressure value of 300 Pa at 20°C in a secondary source to which no reliability could be assigned. This value supports the key study.
The vapour pressure of the hydrolysis product was determined to be 0.0029 Pa at 25°C using an appropriate QSAR estimation method.
A measured vapour pressure of 12 790 Pa at 20°C is available for methanol (OECD, 2004)
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