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Surface tension

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Description of key information

Surface-active at 20 °C.

Key value for chemical safety assessment

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

Additional information

Surface tension test was carried out according to the OECD Guideline 105 (1981). The surface tension of the substance was determined using the ring tensiometer method. Depending on the concentration, the substance reduces significantly the surface tension of water. The average values are 46.3 mN/m, 61.7 mN/m and 71.2 mN/m at 1005 mg/l, 100.5 mg/l and 10.05 mg/ concentrations and at 21.3-20.0 °C, 20.6-20.3 °C and 20.5-20.1 °C, respectively.

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