Registration Dossier
Registration Dossier
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EC number: 223-054-9 | CAS number: 3710-30-3
Henry's Law constant
Administrative data
Link to relevant study record(s)
Description of key information
Henry's law constant 3.42E+004 Pa -m3/mol (HENRYWIN v3.20, Group estimation)
Henry's law constant 3.01E+004 Pa m3/mol (HENRYWIN v3.20, Bond estimation)
Key value for chemical safety assessment
Additional information
No studies investigating the Henry's law constant are available for 1,7-Octadiene.
As these studies are not a standard information requirement in REACH and there is no indication from the CSA on the need to investigate further the fate and behaviour of the substance, no further testing is considered necessary.
However, to estimate PNECsoil by the equilibrium partitioning method, the Henry's law constant was calculated for the test substance. Therefore, the Henry's law constants were calculated using the QSAR HENRYWIN v.3.20. The obtained Henry’s law constants were 3.42E+004 Pa -m3/mol based on group estimation and to 3.01E+004 Pa -m3/mol on bond estimation for 1,7-Octadiene (2013-0146-DKB). The results indicate that evaporation from water into the air is likely.
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