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Physical & Chemical properties

Surface tension

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Description of key information

The surface tension at 14 mg/L (cmc) has been determined according to OECD 115 and ISO 304 respectively.
surface tension (OECD 115; Clariant report 10-87428.3) = 38.6 mN/m
surface tension (OECD 115; Akzo Nobel report 10-0083) = 36 mN/m

Key value for chemical safety assessment

Surface tension:
38.6
in mN/m at 20°C and concentration in mg/L:
14

Additional information

Both studies come to an almost identical value for the surface tension. As key value for theCSAthe value of 38.6 mN/m was used due to the fact that the same study was used to derive the key value for the water solubility.