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Physical & Chemical properties

Surface tension

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Description of key information

The surface tension study is not needed as charcoal is a solid and highly insoluble in water.

Key value for chemical safety assessment

Additional information

The surface tension study is not needed in accordance with REACh Regulation (EC) No. 1907/2006, Annex VII, 7.6., column 2, as surface tension is generally a property of liquids and charcoal is highly insoluble in water. Please, see IUCLID section 4.8 for the results of the water solubility study.