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Physical & Chemical properties

Surface tension

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Description of key information

33.0 mN/m at 20 ± 0.5°C

Key value for chemical safety assessment

Surface tension:
33

Additional information

For this endpoint, the read across between PWH/ammonium and PWH/sodium salt is valid.

The read across justification is attached on section 13 of the dossier.

Surface tension was evaluated for the solution containing the substance at 90% of its saturation. The similar substance

Paraffin waxes and Hydrocarbon waxes C14-17, chloro, sulfochlorinated, low sulphonated, saponified provided a very similar result.

According to the interpretation of the results suggested in the method CR (EC) A.5, point 3.2 the substance should be regarded as a surface-active material