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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint waived, but selection of a value to run the CSA.

Key value for chemical safety assessment

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

Additional information

The vapour pressure of an organic salt is usually less than the vapour pressure of the compound in its non-ionic form. Calculation performed on its most apolar ion compound (BV3) was performed with the software EPI Suite 4.10. At 25°C, its vapour pressure was calculated to be 1.36 E-11 Pa, and the vapour pressure of the ionic salt should be therefore even lower.

As the value format of 1.36 E-11 Pa (0.00000000136 Pa) is not taken into account by IUCLID (only 9 digits after the comma can be reported), the value was rounded to 0.000000001 to perform the CSA.