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Physical & Chemical properties

Vapour pressure

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Description of key information

QSAR: Vapour pressure: 91 Pa at 20°C (2,4,6,8,10-pentamethylcyclopentasiloxane)
Vapour pressure: 0.05 Pa at 20°C (methylsilanetriol)

Key value for chemical safety assessment

Vapour pressure:
0.1 Pa
at the temperature of:
20 °C

Additional information

One reliable value of 91 Pa at 20°C has been calculated using a validated QSAR model. This result is considered reliable and has been chosen as the key study.

The vapour pressure of the likely hydrolysis product methylsilanetriol has been calculated using the same QSAR method.