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Physical & Chemical properties

Surface tension

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Description of key information

Waived:  Based on structure, surface activity is not expected, and is not a desired property of the substance.

Key value for chemical safety assessment

Additional information

The structure of diphenyl ether is symetrical, and does not give an idication of amphoteric or opposing polar/non-polar functional groups which are indicative of surface-activity. The REACh information requirement for surface tension pertains to measured surface tension of a solution consisting of 0.1% wt. of the substance in distilled water. The diphenyl ether substance is not sufficiently soluble to perform this standard measurement.