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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Surface tension

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Administrative data

Link to relevant study record(s)

Description of key information

The surface tension of an aqueous solution of 1,3-bis(3-methyl-2,5-dioxo-1H-pyrrolinylmethyl)benzene were measured at 65.1 mN/m at 21 °C by a concentration of 29.6 mg/L (72.5 % of saturation) and at 69.5 mN/m at 21 °C by a concentration of 14.0 mg/L (34.3 % of saturation).

Key value for chemical safety assessment

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

Additional information

The concentration of the solution should be 90% of the saturation solubility of the substance. 29.6 mg/L are 72.5 % and 14.0 mg/L 34.3 % of the saturation.