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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Surface tension

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Description of key information

Surface tension testing can be waived for substances in which no surface activity is expected based on a structural analysis and for substances that are not liquids at room temperature. No surface activity is expected for potassium allophonate and it is a solid at room temperature; therefore, surface tension testing is waived In accordance with Column 2 of Annex VII of Regulation (EC) No. 1907/2006.

Key value for chemical safety assessment

Additional information

In accordance with Column 2 of Annex VII of Regulation (EC) No. 1907/2006, surface tension testing shall only be conducted if, based on structure, surface activity is expected or if surface activity is a desired property of the material. Surface activity is not expected for potassium allophonate; therefore, testing for this endpoint is waived.

In accordance with the REACH information requirements R.7A, R.7.1.6.4, the surface tension does not need to be determined for substances that are not a liquid at room temperature. As potassium allophonate is not a liquid at room temperature, testing for this endpoint is waived.