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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The surface tension of a 90% saturated aqueous solution of Violiff was determined according to EU Method A.5 and resulted in 59.7 mN/m at 21°C This value is very close to the cut off value of 60 mN/m below which a substance may be considered surface active according to EC A5 guideline. In view of the result being very close to the cut off value this effect does not need to be considered for the risk assessment.

Key value for chemical safety assessment

Surface tension:
59.7
in mN/m at 20°C and concentration in mg/L:
339

Additional information