Registration Dossier

Administrative data

Endpoint:
partition coefficient
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Study period:
2008-06-23 to 2008-08-06
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report Date:
2008

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.8 (Partition Coefficient)
Deviations:
no
Qualifier:
according to
Guideline:
EPA OPPTS 830.7550 (Partition Coefficient, n-octanol / H2O, Shake Flask Method)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
HPLC method
Partition coefficient type:
octanol-water

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent
Type:
Constituent
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): Reaction product of Acid Yellow 42, Acid Black 2 and Basic Violet 1
- Lot/batch No.: 2008041541
- Expiration date of the lot/batch: 2010-01-31
- Stability under test conditions: see expiry date
- Storage condition of test material: store cool and dry
- Analytical purity: 100 % (96.8 %; UVCB substance)

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
>= 2.86 - <= 3.84
Temp.:
25 °C

Any other information on results incl. tables

F 46 Black is a reaction product of Acid Yellow 42, Acid Black 2 and Basic Violet 1. Determined logPow-values ranged from 2.86 to 3.84 with individual peaks at: Peak 1: log Pow = 2.86 +/- 0.09 (10.1 area %) Peak 2: log Pow = 3.34 +/- 0.09 (42.4 area %) Peak 3: log Pow = 3.84 +/- 0.09 (47.5 area %) (95 % confidence interval).

Applicant's summary and conclusion

Conclusions:
F 46 Black is a reaction product of Acid Yellow 42, Acid Black 2 and Basic Violet 1. Determined logPow-values ranged from 2.86 to 3.84 with individual peaks at:
Peak 1: log Pow = 2.86 +/- 0.09 (10.1 area %)
Peak 2: log Pow = 3.34 +/- 0.09 (42.4 area %)
Peak 3: log Pow = 3.84 +/- 0.09 (47.5 area %)
(95 % confidence interval)
Executive summary:

F 46 Black is a reaction product of Acid Yellow 42, Acid Black 2 and Basic Violet 1. Determined logPow-values ranged from 2.86 to 3.84.