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Physical & Chemical properties

Surface tension

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Description of key information

The surface tension of NMMO was determined in a GLP study according to test method EC A.5, to be 68.9 mN/m at a test concentration of 1 g/L and at 20 °C, following the ring method (Younis, 2012).

Key value for chemical safety assessment

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

Additional information

The substance is concluded not to have surface active properties.