Registration Dossier

Physical & Chemical properties

Water solubility

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Description of key information

The water solubility of the substances in the category ranges from 24.4 ppm to 62.4 ppm at 25°C.

Key value for chemical safety assessment

Water solubility:
51.5 mg/L
at the temperature of:
25 °C

Additional information

Data from McAuliffe (1966) were available for the substances methane, ethane, propane, butane and isobutane. Data from the CRC handbook (Lide 2008) were available for methane, ethane, propane, butane and isobutane. Data from the Merck handbook (O’Neill 2006) were available for methane, ethane, propane and butane. The information is taken from reliable peer reviewed handbooks and so can be considered reliable and suitable for use for this endpoint.

The water solubility of methane is 24.4 mg/L at 25°C, ethane is 60.4 mg/L at 25°C, propane is 62.4 mg/L at 25°C, butane is 61.4 mg/L at 25°C and isobutane is 48.9 mg/L at 25°C. The data available for these substances can be read across to other members of the category. The mean of the water solubility values for the category is 51.5 mg/L at 25°C and this has been used to complete the 'key value for chemical safety assessment'.