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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint:
partition coefficient
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Study period:
1999
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: OECD 107 Test under GLP

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
1999
Report date:
1999

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
Deviations:
no
GLP compliance:
yes
Type of method:
shake-flask method to: flask method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Reference substance name:
(±)-dihydro-3-hydroxy-4,4-dimethylfuran-2(3H)-one
EC Number:
201-210-7
EC Name:
(±)-dihydro-3-hydroxy-4,4-dimethylfuran-2(3H)-one
Cas Number:
79-50-5
IUPAC Name:
3-hydroxy-4,4-dimethyldihydrofuran-2(3H)-one

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
-0.69
Temp.:
21 °C
pH:
> 6.3 - < 6.5

Applicant's summary and conclusion

Conclusions:
Based on an experimental n-octanol/water partition coefficient, L-Pantolactone is not expected to partition
significantly to organic phases or tissues, but rather to remain in aqueous phases.