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Physical & Chemical properties

Surface tension

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Description of key information

The surface tension of (3-Ammonio-4-methoxyphenyl)(2-hydroxyethyl)ammonium sulphate as a 1 g/L aqueous solution was 66.0 ± 0.11 mN/m at temperature of 19.7°C (measured by OECD harmonized ring method (OECD 115)).

Key value for chemical safety assessment

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

Additional information

The surface tension of(3-Ammonio-4-methoxyphenyl)(2-hydroxyethyl) ammonium sulphate was determined following the OECD guideline 115 (OECD harmonized ring method) and the GLP.

The determination was carried out in 10 measurements with a tensiometer (KRüSS K11 HRX) at a temperature of 19.7 °C

The surface tension of the test item was 66.0 ± 0.11 mN/m.