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Environmental fate & pathways

Henry's Law constant

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Description of key information

Henry's Law Constant (H): 1.46E-003 Pa-m3/mole

Key value for chemical safety assessment

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

Additional information

A value of 1.44 E-08 atm-m3/mol (0.00146 Pa-m3/mol) was calculated for 1,4 -Butynediol (B3D) using USEPA HENRYWIN v3.20, indicating that B3D will not readily volatilize from moist soil.