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Physical & Chemical properties

Vapour pressure

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Description of key information

A range of vapour pressure values are stated in the available data. The key range chosen is 8.5-17.4 mm Hg at 25ºC.

Key value for chemical safety assessment

Additional information

Due to the amount of reliable data which is available to industry from reputable handbooks and other sources testing for this endpoint has been considered to be unnecessary.

The information from handbooks and other sources presents a range for the vapour pressure of the registered substance as follows:

Source Vapour pressure
HSDB, 2005 11.2 mm Hg at 25ºC
1.13kPa (8.5 mm Hg) at 20ºC
15.98 kPa (119.8 mm Hg) at 75ºC
285.2 mm Hg at 100ºC
Green & Perry, 2008 -27 mm Hg at 1ºC
4.7 mm Hg at 5ºC
18.6 mm Hg at 10ºC
32.7 mm Hg at 20ºC
48.0 mm Hg at 40ºC
57.9 mm Hg at 60ºC
70.4 mm Hg at 100ºC
89.8 mm Hg at 200ºC
110.1 mm Hg at 400ºC
131.5 mm Hg at 600ºC
Sax & Lewis, 1989 17.4 mm Hg at 30ºC
O'Neil et al, 2006 11 mm Hg at 25ºC

The results of HSDB, 2005, Sax & Lewis, 1989 and O'Neil et al, 2006, all give results of between 8.5 - 17.4 mm Hg at 25ºC.