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Physical & Chemical properties

Vapour pressure

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Description of key information

The vapour pressure range for this Category at a temperature of between 19.9 and 25 °C was 71 - 2592 Pa. The vapour pressure range for this Category at a temperature of between 35.4 and 50°C was 400-5150 Pa.

Data are available for 10 of the streams in this category. The data will be read across to all category members. The mean of the vapour pressure values for the category is 902 Pa at a mean temperature of 21°C and this value has been used to complete the 'key value for chemical safety assessment'.

Key value for chemical safety assessment

Vapour pressure:
902 Pa
at the temperature of:
21 °C

Additional information

64742-90-1: 230 Pa at 19.9˚C, 490 Pa at 35.4˚C, 750 Pa at 49.7˚C (Sabic 1989). 85117-10-8: not determined (BASF SE 2007). 98072-36-7: 21.1 hPa at 20˚C, 51.5 hPa at 50˚C (BASF SE 2007). 68513-69-9: 400 Pa at 25˚C (Exxon 2004). 68513-69-9: 968 Pa at 20˚C (LOA 2009). 68513-69-9: 2592 Pa at 20˚C (LOA 2009). 68475-80-9: 405 Pa at 20˚C (LOA 2009). 68477-38-3: 0.4 kPa at 40˚C (Shell 2009). 68513-69-9: 210 Pa at 25˚C (Exxon 2004). 68527-18-4: 768 Pa at 20˚C (LOA 2009). 68987-42-8: 71 Pa at 20˚C (LOA 2009). 98219-64-8: 1000 Pa at 20˚C (LOA 2009). 101631-14-5: 900 Pa at 20˚C (LOA 2009). 68527-18-4: 5 hPa at >=20˚C (Rutgers 2010a, 2010b).