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Environmental fate & pathways

Henry's Law constant

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Description of key information

The QSAR determination of the  Henry's Law Constant for tetrasodium hydrogen 2-phosphonatobutane-1,2,4-tricarboxylate using the model HENRYWIN included in the Estimation Program Interface (EPI) Suite v4.10 revealed a value of 1.21E-21 Pa*m³/mol at 25°C, based on the Bond contribution methodology.

Key value for chemical safety assessment

Additional information

With a estimated HLC of 1.21E-21 Pa*m³/mol the substance is considered essentially non-volatile from water.