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Environmental fate & pathways

Henry's Law constant

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Description of key information

Using EPIWin 3.0 the estimated Henry’s Law Constant is 2.31 x 10E-13 atm-m3/mole.

Key value for chemical safety assessment

Additional information

TBBPA’s measured vapour pressure is < 1.19 x 10^-5 Pa, and its estimated Henry’s Law Constant is 2.31 x 10E-13 atm-m3/mole. Thus, volatilisation of TBBPA to air or from water to air is expected to be negligible.