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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 streams in this category is 71.2-72mN/m, indicating that these streams are not surface active.

Key value for chemical safety assessment

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

Additional information

Data from GKA competence centre analytics (2008, 2008 & 2009) are available for three of the streams in this category (64742 -49 -0: 71.2 mN/m, 92128-65-9: 71.7 mN/m, 68476-55-1: 72.0 mN/m all values measured at 90 % solution saturation and at 20°C). These data will be read across to all category members.

The mean of the surface tension values for the category is 71.6 mN/m at 20°C and this has been used to complete the 'key value for chemical safety assessment'. These values were given for a concentration of 90% saturation concentration and the 90% value has been applied to the mean water solubility in order to provide a concentration in mg/L.