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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Diss Factsheets

Physical & Chemical properties

Vapour pressure

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Description of key information

Sodium 4-[(C16-18-(even numbered)-alkylamino)carbonyl]benzoate, has two main components, Sodium 4-[(hexadecylamino)carbonyl]benzoate and Sodium 4-[(octadecylamino)carbonyl]benzoate. QSAR results have shown that have predicted vapour pressures are 5.38 E-16 Pa and 9.14 E-17 for Sodium 4-[(hexadecylamino)carbonyl]benzoate and Sodium 4-[(octadecylamino)carbonyl]benzoate, respectively.

Key value for chemical safety assessment

Additional information

In accordance with REACH Regulation Annex XI, studies on vapour pressure do not need to be conducted as measurement is technically not feasible. Standard test methods, according to OECD guideline 104, are able to measure vapour pressure from 10 E-10 Pa to 10 E+05 Pa. Predicted vapour pressures for the components of Sodium 4-[(C16-18-(even numbered)-alkylamino)carbonyl]benzoate are below 10 E-10 Pa.

The vapour pressure QSAR studies are assigned a reliability score of 2 (reliable with restrictions) as it is an accepted calculation method. The vapour pressure of the test item was estimated with the QSAR model (MPVPBP) using the Modified Grain Method. The vapour pressure of the test item according to the QSAR estimation is below the detection limit of standard vapour pressure test methods.