Registration Dossier

Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report Date:
2010

Materials and methods

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

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
Component CAS-No. Concentration [%w/w]*
=====================================
Fluorene 86-73-7 >= 1.0 - 12.0
Acenaphthene 83-32-9 >= 0.1 - 4.0
Phenanthrene 85-01-8 >= 15 - 35
Anthracene 120-12-7 >= 6.0 - 40
Fluoranthene 206-44-0 >= 0.2 – 6.0
Pyrene 129-00-0 >= 0.1 - 4.0
9H-carbazole 86-74-8 >= 5.0 - 30
=====================================
* Concentrations based on GC analysis of
anthracene oil, anthracene paste, distn. lights [CAS No. 91995-17-4]




Study design

Analytical method:
gas chromatography

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
3.7 - 5.2
Temp.:
25 °C
pH:
7 - 7.5
Details on results:
The range of approx. 60 - 80 % % of icomponents of anthracene paste is between logPow of approx. 3.7 and 5.2 with the estimated average of 4.5.

Any other information on results incl. tables

Summary of n-octanol-water partition coefficients (as log Pow) for key components of anthracene paste:

CAS-No.

LogPow

Source

Fluorene

86-73-7

4.18

Miller et al. 1985

Acenaphthene

83-32-9

3.92

WHO, 1998

Phenanthrene

85-01-8

4.57

Miller et al., 1985

Anthracene

120-12-7

4.54

Fluoranthene

206-44-0

5.22 (c)

Pyrene

129-00-0

5.18

 9H-carbazole

 86 -74 -8  3.7  US-NLM

(C) = calculated

Applicant's summary and conclusion