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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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Physical & Chemical properties

Vapour pressure

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Description of key information

Vapour pressure data are available for streams within this Category. The vapour pressure range for this Category is 8-256 hPa at 20°C, 2.1-423 hPa at 25°C and 69-550 hPa at 37.8°C.

The mean of the vapour pressure values for the category is 111.4 hPa at 20°C, 114 hPa at 25°C and 270 hPa at 37.8°C. The mean value at 20°C has been used to complete the 'key value for chemical safety assessment'.

Key value for chemical safety assessment

Vapour pressure:
111.4 hPa
at the temperature of:
20 °C

Additional information

64741-84-0: 101.00 hPa at 20°C (Chilworth Technology Ltd 2009). 64742-83-2: 150.3 hPa at 25°C (GKA Competence Center BASF 2008). 64742-83-2: 302.7 hPa at 25°C (GKA Competence Center BASF 2008). 64742-91-2: 21.33 hPa at 20°C (GKA Competence Center BASF 2008). 68475-70-7: 118.7 hPa at 20°C (GKA Competence Center BASF 2008). 68477-39-4: 11.58 hPa at 25°C (GKA Competence Center BASF 2008). 102110-55-4: 186.64 hPa at 20°C (Chilworth Technology Ltd 2009). 68513 -69 -9: 4.00 hPa at 25°C (K) (Huntingdon Life Sciences 2004). 68513 -69 -9: 2.10 hPa (S) (Huntingdon Life Sciences 2004). 68516-20-1: 71.16 hPa (REPSOL 2009), 5.0 hPa at 20°C (RÜTGERS 2010a, 2101b, 2010c). 68527-23-1: 41.35hPa at 25°C (GKA Competence Center BASF 2008). 68606-10-0: 242 hPa at 37.8 °C (Deutsche Shell chemie GmbH 2009). 68921-67-5: 550 hPa at 37.8°C (K) (Dorman 2009). 68921-67-5: 4.00 hPa at 25°C (Huntingdon Life Sciences 2004). 90641-13-7: 33.00 hPa at 20°C (Chilworth Technology Ltd 2009). 90989-43-8: 23.2 hPa at 20°C (GKA Competence Center BASF 2008). 91723-50-1: 246.69 hPa at 20°C (Chilworth Technology Ltd 2009). 91995-50-5: 23.41 hPa at 20°C (Chilworth Technology Ltd 2009). 94114-03-1: 243.00 hPa at 20°C (Chilworth Technology Ltd 2009). 68955-29-3: 156.00 hPa at 20°C (Chilworth Technology Ltd 2009). 68527-26-4: 140.00 hPa at 20°C (Chilworth Technology Ltd 2009). 64741-99-7: 69.0 - 220.6 hPa at 37.8°C (CEPSA no date). 92045 -57 -3: 256.12 hPa at 20°C (Chilworth Technology Ltd 2009). 68921-67-5: 6770 Pa at 25°C (Dow, no date). 68921-67-5: 13200-42300 Pa at 25°C (Dow, several product analyses, no date). 68955-29-3: 10 kPa at 20°C (Dow, no date). 68527-23-1: 15.8 kPa at 20°C (Dow, no date). 68516-20-1: 0.8 kPa at 20°C (Dow, no date).