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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Link to relevant study record(s)

Description of key information

The octanol-water partition coefficient (LogKow or LogP) was estimated by using three different predictors: ACD/Percepta LogP Classic, ACD/Percepta LogP GALAS and KOWWIN predictors. 

Key value for chemical safety assessment

Log Kow (Log Pow):
2.16

Additional information

ACD/logP Classic

ACD/logP GALAS

KOWWIN LogP

Consensus LogP prediction

Not calculated

2.56

(borderline reliable)

1.89

(moderate reliable)

2.16

(moderate reliable)

The consensus prediction was computed as the weighted mean among the two predictors, i.e. ACD/LogP GALAS and EPI Suite/KOWWIN. ACD/LogP GALAS prediction was weighted less (0.4) than EPI Suite/KOWWIN (0.6) because its lower reliability.For thetarget1-(tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole the consensus assessment led to a moderate reliable LogKow prediction of 2.16.