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Physical & Chemical properties

Surface tension

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Description of key information

The surface tension of a 90 % saturated aqueous solution of Fatty acids, C6-19-branched, zinc salts at 20 °C was determined to be 52.53 mN/m (standard deviation of 0.04 mN/m). Due to the fact that the surface tension is < 60 mN/m, the test item is classified as surface-active substance.

Key value for chemical safety assessment

Surface tension:
52.53
in mN/m at 20°C and concentration in mg/L:
19.8

Additional information

The water solubility was determined to be 22 mg/l (OECD 105, EU A.6).

A 90% saturated solution has a concentration of 22 mg/l * 0.9 = 19.8 mg/l

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