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Environmental fate & pathways

Henry's Law constant

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Description of key information

Key value for chemical safety assessment

at the temperature of:
20 °C

Additional information

A Henry’s Law constant of 6.45 x 10-06Pa.m3/mol at 25ºC can be calculated from the vapour pressure (2.75 x 10exp-6 Pa, calculated) and the water solubility (232 mg/L). This indicates a preference for water compared to air, and hence a low rate of volatilisation from surface water to air.

Reference:

European Union Risk Assessment Report "2,2-Bis(chloromethyl)trimethylene bis[bis(2-chloroethyl)phophate]" (V6), CAS 38051-10-4, May 2008