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Environmental fate & pathways

Henry's Law constant

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Description of key information

The estimated Henry’s law constant of 3.74 x 10-7 Pa-m3/mole is considered to be low.

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
at the temperature of:
25 °C

Additional information

The Henry’s law constant (HLC) of amides, C8-18 and C18-unsatd., N,N-bis(hydroxyethyl) was estimated according to HENRYWIN v3.20 using the bond contribution method. This method uses valid bond contribution values, which are determined for 59 chemical bonds by a least-square analysis of HLCs for 345 organic compounds. The estimated HLC value for amides, C8-18 and C18-unsatd., N,N-bis(hydroxyethyl) using HENRYWIN v3.20 (EPIWEB v4.0) was found to be 3.74 x 10-7Pa-m3/mole.