Registration Dossier

Administrative data

Endpoint:
phototransformation in air
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Use of validated QSAR, which is described extensively in peer-reveiwed literature. The substance falls within the application domain.
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Referenceopen allclose all

Reference Type:
other: software
Title:
AOPWIN v1.92a
Author:
U.S. EPA
Year:
2008
Reference Type:
publication
Title:
Computer estimation of the atmospheric gas-phase reaction rate of organic compounds with hydroxyl radicals and ozone.
Author:
Meylan, W.M. and Howard, P.H.
Year:
1993
Bibliographic source:
Chemosphere 26: 2293-99
Reference Type:
publication
Title:
A structure-activity relationship for the estimation of rate constants for the gas-phase reactions of OH radicals with organic compounds.
Author:
Atkinson R
Year:
1987
Bibliographic source:
Intern. J. Chem. Kinet. 19: 799-828
Reference Type:
publication
Title:
Estimation of gas-phase hydroxyl radical rate constants for organic chemicals.
Author:
Atkinson R
Year:
1988
Bibliographic source:
Environ. Toxicol. Chem. 7: 435-442
Reference Type:
publication
Title:
Estimating atmospheric degradation processes by SARs
Author:
Müller, M. and Klein, W.
Year:
1991
Bibliographic source:
The Science of the Total Environment 109/110 261-273

Materials and methods

Principles of method if other than guideline:
AOPWIN™ 2000. Version 1.91. U.S. Environmental Protection Agency. http://www.epa.gov/oppt/exposure/pubs/episuite.htm

GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
Not applicable

Study design

Estimation method (if used):
AOPWIN™ 2008. Version 1.92a. U.S. Environmental Protection Agency. http://www.epa.gov/oppt/exposure/pubs/episuite.htm
Light source:
other: not applicable
Details on test conditions:
Sensitiser (for indirect photolysis): OH
Sensitiser concentration: 1500000 OH/cm3
Duration of test at given test condition
Temp.:
25 °C
Reference substance:
no

Results and discussion

Dissipation half-life of parent compound
DT50:
1.01 d
Test condition:
12-hr day; 1.5E6 OH/cm3
Degradation rate constant
Reaction with:
OH radicals
Rate constant:
0 m³ molecule-1 s-1

Applicant's summary and conclusion