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Physical & Chemical properties

Vapour pressure

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Description of key information

Vapour pressure: 93.5 Pa at 25°C (OECD 104)

Key value for chemical safety assessment

Vapour pressure:
93.5 Pa
at the temperature of:
25 °C

Additional information

A vapour pressure of 93.5 Pa 25ºC was determined was determined for the substance using a relevant test method. The result is considered to be reliable.

2,4,6,8,10-pentamethyl-2,4,6,8,10-pentavinylcyclopentasiloxane Vi5-D5 (CAS No: 17704-22-2; impurity 1) and 2,4,6-trimethyl-2,4,6-trivinylcyclotrisiloxane Vi3-D3 (CAS no: 3901-77-7; impurity 2) may be present as impurities. Predicted vapour pressure values of 0.6 Pa and 67 Pa at 25°C were determined for Vi5-D5 and Vi3-D3, respectively, using a validated QSAR estimation method. The registration substance can therefore be said to be a low volatility substance at ambient temperature.