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Surface tension

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Description of key information

The true surface tension of a 9:1 dilution of a saturated C6 Pyrazole Hemisulfate solution was determined to be 62.9 ± 2.0 dynes/cm at a temperature of 20°C, which indicates that the test substance is not surface active

Key value for chemical safety assessment

Surface tension:
62.9

Additional information

The surface tension of1-hexyl-1H-pyrazol-4,5-diamine hemisulfate was determined according to the OECD guideline 115 (OECD harmonized ring method) and following the GLP.

The surface tension of 1-hexyl-1H-pyrazol-4,5-diamine hemisulfate was 62.9 ± 2.0 dyne/cm corresponding to 62.9 mN/m (Coefficient of variation : 3.2) measured on a saturated solution at 90%.