Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

From water surface, the "reaction mass of butane and butene and isobutane" will rapidly evaporate into the atmosphere.. 

Key value for chemical safety assessment

Additional information

The single components of the present reaction mass are gaseous substances (calculated Henry's Law constants range from 20600 to 98200 Pa m³/mol); therefore, they will rapidly evaporate from the water surface into the atmosphere.