Registration Dossier

Administrative data

Endpoint:
phototransformation in air
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: (Q)SAR calculation, acceptable with restrictions

Data source

Reference
Reference Type:
other: (Q)SAR
Title:
AOPwin v1.92a (June 2008)
Author:
U.S. Environmental Protection Agency
Year:
2000
Bibliographic source:
U.S.E.P.A. EPIWEB 4.0

Materials and methods

GLP compliance:
no
Remarks:
not applicable - QSAR model

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent
Details on test material:
not applicable
Specific details on test material used for the study:
Details on properties of test surrogate or analogue material (migrated information):
not applicable

Study design

Estimation method (if used):
AOPWIN v1.92a (June 2008), EPIWEB 4.0
Details on light source:
not applicable
Details on test conditions:
not applicable

Results and discussion

Preliminary study:
not applicable
Test performance:
not applicable
Spectrum of substance
Parameter:
not specified
Dissipation half-life of parent compound
DT50:
11.616 h
Test condition:
Modelled estimate at 25°C
Results with reference substance:
not applicable

Any other information on results incl. tables

Overall OH rate constant = 11.0492 E-12 cm³/molecule-sec

Applicant's summary and conclusion

Validity criteria fulfilled:
not applicable
Remarks:
QSAR estimation
Conclusions:
The half life of BBP in air is 11.616 hours at 25°C.
Executive summary:

AOPWIN is a standard QSAR model that has been used previously in regulatory risk assessment. It is therefore considered acceptable for use as a key study for this endpoint.