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Physical & Chemical properties

Surface tension

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Description of key information

Surface tension (0.1% V/V, 20 °C) 49.7 < surface tension < 61.6 mN/m.  

Key value for chemical safety assessment

Surface tension:
55
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information

Surface tension was investigated by the EU method A.5 (in line with OECD 115). At 1 g/L and 20°C the surface tension was >49.7 <61.6 mN/m and >51.3 < 65.2 mNm. The surface tension of an aqueous preparation of the test item (ß= 1 g/L) at 20°C was found to decrease from a value above 60 mN/m to about 50 mN/m within a measuring period of 3 and 5 hours, respectively.