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Surface tension

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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.