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Physical & Chemical properties

Surface tension

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Description of key information

71.5 mN/m at 20 °C and concentration 90% of the saturation solubility in water

Key value for chemical safety assessment

Surface tension:

Additional information

The surface tension of the substance 2-methyl-N-(4-sulfamoylphenyl) prop-2-enamide (SPM-N) was determined according to OECD Guideline 115 and EU Method A.5, using the OECD harmonized ring method. The concentration used was 90% of the saturation solubility of the substance in double distilled water. The substance is considered to be not surface active.