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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Partition coefficient

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
partition coefficient
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with limited documentation / justification
Justification for type of information:
QSAR calculation
Qualifier:
no guideline followed
Principles of method if other than guideline:
(Q)SAR KOWWIN v.1.67
GLP compliance:
no
Remarks:
not applicable
Type of method:
other: (Q)SAR KOWWIN v.1.67
Partition coefficient type:
octanol-water
Key result
Type:
log Pow
Partition coefficient:
2.59
Temp.:
25 °C
Remarks on result:
other: 3MHHPA
Key result
Type:
log Pow
Partition coefficient:
2.51
Temp.:
25 °C
Remarks on result:
other: 4MHHPA
Details on results:
calculated by KOWWIN v1.67
Conclusions:
LogPow of this substance is 2.51-2.59 according to KOWWIN v. 1.67 (Range given for different isomeric forms of MHHPA).
Executive summary:

LogPow of this substance is 2.51-2.59 according to KOWWIN v. 1.67 (Range given for different isomeric forms of MHHPA).

Description of key information

Partition coefficient (LogPow): 2.59

Key value for chemical safety assessment

Log Kow (Log Pow):
2.59
at the temperature of:
25 °C

Additional information

LogPow of the test substance MHHPA is 2.51-2.59 according to KOWWIN v. 1.67 (Range given for different isomeric forms of MHHPA).