Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
October 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
HPLC method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
(3Z,6Z)-3,7,11-trimethyldodeca-1,3,6,10-tetraene
Cas Number:
28973-99-1
Molecular formula:
C15H24
IUPAC Name:
(3Z,6Z)-3,7,11-trimethyldodeca-1,3,6,10-tetraene
Constituent 2
Chemical structure
Reference substance name:
(E)-1-methyl-4-(6-methylhepta-2,5-dien-2-yl)cyclohex-1-ene
Cas Number:
25532-79-0
Molecular formula:
C15H24
IUPAC Name:
(E)-1-methyl-4-(6-methylhepta-2,5-dien-2-yl)cyclohex-1-ene
Constituent 3
Chemical structure
Reference substance name:
(Z)-1-methyl-4-(6-methylhepta-2,5-dien-2-yl)
Cas Number:
29837-07-8
Molecular formula:
C15H24
IUPAC Name:
(Z)-1-methyl-4-(6-methylhepta-2,5-dien-2-yl)
Constituent 4
Chemical structure
Reference substance name:
(E)-7,11-dimethyl-3-methylenedodeca-1,6,10-triene
EC Number:
242-582-0
EC Name:
(E)-7,11-dimethyl-3-methylenedodeca-1,6,10-triene
Cas Number:
18794-84-8
Molecular formula:
C15H24
IUPAC Name:
7,11-dimethyl-3-methylenedodeca-1,6,10-triene
Constituent 5
Chemical structure
Reference substance name:
(E)-1-methyl-4-(6-methylhept-5-en-2-ylidene)
Cas Number:
53585-13-0
Molecular formula:
C15H24
IUPAC Name:
(E)-1-methyl-4-(6-methylhept-5-en-2-ylidene)
Constituent 6
Chemical structure
Reference substance name:
(Z)-1-methyl-4-(6-methylhept-5-en-2-ylidene)
Cas Number:
13062-00-5
Molecular formula:
C15H24
IUPAC Name:
(Z)-1-methyl-4-(6-methylhept-5-en-2-ylidene)
Constituent 7
Chemical structure
Reference substance name:
1-methyl-4-(6-methylhepta-1,5-dien-2-yl)
Cas Number:
869843-05-0
Molecular formula:
C15H24
IUPAC Name:
1-methyl-4-(6-methylhepta-1,5-dien-2-yl)
Constituent 8
Chemical structure
Reference substance name:
(3Z,6E)-3,7,11-trimethyldodeca-1,3,6,10-tetraene
Cas Number:
26560-14-5
Molecular formula:
C15H24
IUPAC Name:
(3Z,6E)-3,7,11-trimethyldodeca-1,3,6,10-tetraene
Constituent 9
Chemical structure
Reference substance name:
(Z)-7,11-dimethyl-3-methylenedodeca-1,6,10-triene
Cas Number:
28973-97-9
Molecular formula:
C15H24
IUPAC Name:
(Z)-7,11-dimethyl-3-methylenedodeca-1,6,10-triene
Constituent 10
Chemical structure
Reference substance name:
1-methyl-4-(6-methylhept-5-en-2-yl)cyclohexa-1,4-diene
Cas Number:
72345-84-7
Molecular formula:
C15H24
IUPAC Name:
1-methyl-4-(6-methylhept-5-en-2-yl)cyclohexa-1,4-diene
Constituent 11
Chemical structure
Reference substance name:
2,6,10-trimethyldodeca-2,6,9,11-tetraene
EC Number:
207-948-6
EC Name:
2,6,10-trimethyldodeca-2,6,9,11-tetraene
Cas Number:
502-61-4
Molecular formula:
C15H24
IUPAC Name:
3,7,11-trimethyldodeca-1,3,6,10-tetraene
Constituent 12
Chemical structure
Reference substance name:
Likely sesquiterpene hydrocarbons
Cas Number:
n/a
Molecular formula:
C15H24
IUPAC Name:
Likely sesquiterpene hydrocarbons
Test material form:
liquid
Details on test material:
UVCB substance
Specific details on test material used for the study:
Batch No: VE00397335
Purity: Conform
Expiration date: February 17, 2017

Study design

Analytical method:
high-performance liquid chromatography

Results and discussion

Partition coefficientopen allclose all
Type:
log Pow
Partition coefficient:
6.5
Temp.:
20 °C
pH:
7
Type:
log Pow
Partition coefficient:
6.6
Temp.:
20 °C
pH:
7
Type:
log Pow
Partition coefficient:
6.9
Temp.:
20 °C
pH:
7
Type:
log Pow
Partition coefficient:
7
Temp.:
20 °C
pH:
7
Type:
log Pow
Partition coefficient:
7.1
Temp.:
20 °C
pH:
7
Type:
log Pow
Partition coefficient:
7.2
Temp.:
20 °C
pH:
7
Type:
log Pow
Partition coefficient:
7.3
Temp.:
20 °C
pH:
7
Type:
log Pow
Partition coefficient:
7.4
Temp.:
20 °C
pH:
7
Key result
Type:
log Pow
Partition coefficient:
7.5
Temp.:
20 °C
pH:
7
Details on results:
In the conditions of the test, the chromatograms of Bisabolene show ten peaks with relative peak areas over 1% at average retention times of 25, 16 minutes (1.8% relative peak area), corresponding to a partition coefficient (log value) of 6.5; 26.48 minutes (1.7% relative peak area), corresponding to a partition coefficient (log value) of 6.6; 33.15 minutes (1.1% relative peak area), corresponding to a partition coefficient (log value) of 6.9; 34.82 minutes (7.9% relative peak area), corresponding to a partition coefficient (log value) of 7.0; 37.78 minutes (19.3% relative peak area), corresponding to a partition coefficient (log value) of 7.1; 39.69 minutes (12.8% relative peak area), corresponding to a partition coefficient (log value) of 7.2; 42.21 minutes (4.1% relative peak area), corresponding to a partition coefficient (log value) of 7.3; 43.96 minutes (12.5% relative peak area), corresponding to a partition coefficient (log value) of 7.3; 45.88 minutes (6.5% relative peak area), corresponding to a partition coefficient (log value) of 7.4; 49.13 minutes (32.3% relative peak area), corresponding to a partition coefficient (log value) of 7.5.

Applicant's summary and conclusion

Conclusions:
The Partition Coefficient n-octanol/water of Bisabolene was determined by the Reverse Phase High Performance Liquid Chromatographic Method according to the OECD Guidelines for Testing of Chemicals, Method No. 117.
The result is:
Partition coefficients n-octanol/water of Bisabolene:
low Pow = 6.5, 6.6, 6.9, 7.0, 7.1, 7.2, 7.3, 7.3, 7.4, and 7.5
Executive summary:

The Partition Coefficient n-octanol/water of Bisabolene was determined by the Reverse Phase High Performance Liquid Chromatographic Method according to the OECD Guidelines for Testing of Chemicals, Method No. 117.

The result is:

Partition coefficients n-octanol/water of Bisabolene:

low Pow = 6.5, 6.6, 6.9, 7.0, 7.1, 7.2, 7.3, 7.3, 7.4, and 7.5