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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Environmental fate & pathways

Henry's Law constant

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Administrative data

Link to relevant study record(s)

Description of key information

From the water surface, epsilon-Caprolactam will not evaporate into the atmosphere.

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
0.002
at the temperature of:
20 °C

Additional information

The Henry's law constant was estimated by use of SRC HENRY v3.10 model, which is part of  EpiSuite v3.20 model calculation tool. It was calculated to be 0.00248 Pa*m³/mol.