Registration Dossier

Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
March - June 1997
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study performed using the commercial product as test article under international guidelines and GLPs.

Data source

Referenceopen allclose all

Reference Type:
study report
Title:
Unnamed
Year:
1997
Reference Type:
publication
Title:
Unnamed
Year:
2002

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
EPA OPPTS 830.7560 (Partition Coefficient, n-octanol / H2O, Generator Column Method)
Deviations:
no
GLP compliance:
yes
Type of method:
generator column method
Partition coefficient type:
octanol-water

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
The test article was a composite of equal porportions of the commercial DecaBDE products of Albemarle Corp, Dead Sea Bromine Group, and Great Lakes Chemical Corp.

Study design

Analytical method:
gas chromatography

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
6.625
Temp.:
25 °C

Any other information on results incl. tables

Mean DecaBDE concentration in aqueous samples was 0.0400 ug/L or 4.17 x 10E-11 M.

Mean DecaBDE concentration in octanol stock solution was 0.0738 g/L or 7.69 x 10E-5 M.

The molecular weight of DecaBDE is 959 g/mole.

Applicant's summary and conclusion

Conclusions:
The octanol/water partition coefficient (log Kow) was determined to be 6.265 using the generator column method.
Executive summary:

The octanol/water partition coefficient (log Kow) was determined to be 6.265 using the generator column method.