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Surface tension

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Description of key information

The surface tension of an aqueous preparation (90% saturation) of one stream within this Category is 72.1 mN/m at 20°C, indicating that these streams are not surface active.

Key value for chemical safety assessment

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

Additional information

Data from BASF (2007) are available for one of the streams in this category (98072-36-7: 72.1 mN/m at 20°C). The data will be read across to all category members. This study was conducted to a standard guideline and according to GLP and so is considered fully reliable for use as a key study.

The key value has been completed using the only available data for streams in this category. The surface tension result was given at 90% saturation and this has been converted to a concentration in mg/L by applying this factor to the water solubility result for this stream.