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Surface tension

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Description of key information

28.3mN/m (pure)
41.5mN/m at 20%

Key value for chemical safety assessment

Additional information

The surface tension of ethoxypropanol has not been measured at the preferred concentration of 1000mg/l. However, measured data available down to a dilution of 20% can be extrapolated to predict a surface tension of around 57mN/m at a solution strength of around 5% with reasonable accuracy. Data for a surrogate substance which is structurally similar but more likely to exhibit surface activity shows that this is not surface active at more appropriate dilutions. Overall, it can be concluded from the data available that surface activity is not an important property of this substance..