Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
Type of method:
HPLC method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Reference substance name:
α-Bitter acids, hop, hydrogenated, isomerized
EC Number:
295-619-8
EC Name:
α-Bitter acids, hop, hydrogenated, isomerized
Cas Number:
92113-15-0
IUPAC Name:
α-Bitter acids, hop, hydrogenated, isomerized
Specific details on test material used for the study:
Batch no EXP 6

Study design

Analytical method:
liquid chromatography

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
> 3.1 - <= 4.4
Temp.:
40 °C
pH:
ca. 7
Remarks on result:
other: The substance is a hydrophobic UVCB substance. The principal components have estimated log10KOW values of 3.1 – 4.1, but there are some minor components with log10KOW of ca 4.2 – 4.4.

Applicant's summary and conclusion

Conclusions:
The substance is a hydrophobic UVCB substance. The principal components have estimated log10KOW values of 3.1 – 4.1, but there are some minor components with log10KOW of ca 4.2 – 4.4.