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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Description of key information

63.5 mN/m, 0.1% solution (Wilhelmy plate method)

56.7 mN/m, 0.5% solution (Wilhelmy plate method)

Key value for chemical safety assessment

Surface tension:
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information

The substance is slightly surface active (for two concentrations measured, one result is above, and one below the threshold of 60 mN/m). Since the 0.1% solution better corresponds to the guideline-stated concentration of 1 g/L, this value should be taken as key.