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Henry's Law constant

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Description of key information

2,4,4-trimethylpentene has a Henry's Law Constant of 282971 Pa.m3/mol.

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
282 971

Additional information

2,4,4 -trimethylpentene has a Henry's Law Constant of 282971 Pa.m3/mol. The value has been calculated based on the physico-chemical properties of the substance and the equation set out in the Guidance R16 (ECHA 2012). The result is supported by data from the QSAR estimation (US EPA 2009).

The Henry's Law Constant has been taken from a QSAR estimate. The values determined using the group and bond contribution methods are 1.34 and 0.746 atm-m3/mol respectively.