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Physical & Chemical properties

Surface tension

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Description of key information

The substance TFA is not considered to be a surface-active agent, according to EC criteria.

Key value for chemical safety assessment

Surface tension:
72.5
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information

A fully reliable GLP study was conducted at the maximum testing concentration of 1 g/L, showing no lowering of the surface tension of water.

A supporting publication indicates that fluorinated compounds exhibit low surface tension; however, as it is only a qualitative information, it may apply to higher concentrations than required for testing.