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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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Physical & Chemical properties

Water solubility

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Description of key information

The West et al (2008) study provides a water solubility value of 124 mg/l, at 25°C, for 2,4-TDI.

Key value for chemical safety assessment

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

Additional information

Any experimental estimation of water solubility for 2,4-TDI questionable and therefore QSAR may be considered. The West et al study uses an uptodate and valid QSAR method to provide a water solubility value of 124 mg/l which may be used for the CSA, although it is only of theoretical value.