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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

31.1 - 37.4 mN/m at room temperature, concentration 0.1 vol% (internal method)

Key value for chemical safety assessment

Additional information

The surface tension of the substance Sorbitan monooleate, ethoxylated (1 -6.5 moles ethoxylated) (CAS 9005-65-6) was determined for two oligomers (3EO and 5EO) and the results reveal that the substance is surface active. In addition to the results for the concetration of 0.1 vol%, which corresponds to the required value of 1 g/L, the values of 31.9 mN/m and 34.5 mN/m were obtained for the concentration 0.5 vol%, respectively.