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Physical & Chemical properties

Surface tension

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Description of key information

In this report the surface tension is determined using an automated tensiometer. The surface tension at 1 g/L has been determined to 30 mN/m at 23°C.

Key value for chemical safety assessment

Surface tension:
30
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information

The only deviation from the method was that 2 g/L stock solution was used instead of 19 g/L due to poor solubility in water. The pH of the 2 g/L solution was adjusted by adding 0.1/1 M Hydrochloric acid and monitored with a pH meter.

In this report , the surface tension at 1 g/L has been determined to 30 mN/m.