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Physical & Chemical properties

Surface tension

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Description of key information

28.9 mN/m at 20±0.5°C and 3.1 g/L (OECD tG 115; RL1; GLP)

Key value for chemical safety assessment

Surface tension:
28.9
in mN/m at 20°C and concentration in mg/L:
3 100

Additional information

The surface tension of Undecylenamidopropyl Betaine was measured according to OECD Guideline 115 (1995) and EU method A.5 (2008) using the ring method.

The surface tension was determined to be 28.9 mN/m at 20±0.5°C and 3.1 g/L. The substance is regarded as surface active.