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Physical & Chemical properties

Surface tension

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Description of key information

The surface tension is between 13.7 and 16 mN/m at 25°C for 2-methylbutane, based on Wilhelmy plate methodology.

Key value for chemical safety assessment

Additional information

The surface tension is between 13.7 and 16 mN/m at 25°C for 2-methylbutane based on Wilhelmy plate methodology. This range has been agreed by the consortium to represent the substance. This is supported by read across from within the category from n-pentane. The n-pentane range of 13 -17 mN/m at 25°C is taken from the CRC Handbook (Lide 2008). There is no information available on the methods used to determine the value for this endpoint. However, the CRC Handbook is considered to be a reliable, peer-reviewed handbook and suitable for use as a study for this endpoint.