Registration Dossier

Diss Factsheets

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:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
QSAR prediction

Data source

Reference
Reference Type:
other: EPIWin calculation
Title:
Unnamed
Year:
2019
Report date:
2019

Materials and methods

Principles of method if other than guideline:
Calculation based on AOPWIN v1.92, Estimation Programs Interface Suite™ for Microsoft® Windows v 4.10. US EPA, United States Environmental Protection Agency, Washington, DC, USA.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Tetrasodium ethylenediaminetetraacetate
EC Number:
200-573-9
EC Name:
Tetrasodium ethylenediaminetetraacetate
Cas Number:
64-02-8
Molecular formula:
C10H16N2O8.4Na
IUPAC Name:
tetrasodium 2,2',2'',2'''-(ethane-1,2-diyldinitrilo)tetraacetate
Test material form:
solid

Study design

Estimation method (if used):
PHOTOCHEMICAL REACTION WITH OH RADICALS
- Concentration of OH radicals: 0.5E+06 OH/cm3
- Degradation rate constant: 164E-12 cm3/mol*sec
- Temperature for which rate constant was calculated: 25 °C
- Computer programme: SRC AOP v1.92
Details on test conditions:
Sensitiser (for indirect photolysis): OH
Sensitiser concentration: 500000 molecule/cm³

Results and discussion

Dissipation half-life of parent compound
Key result
DT50:
2.35 h
Test condition:
24-hr day; SRC AOP v1.92
Transformation products:
not specified

Any other information on results incl. tables

For detailed description on the model and its applicability, see "Any other information on materials and methods incl. tables". The estimation is based on a 24 hour day.

Applicant's summary and conclusion

Validity criteria fulfilled:
yes

Categories Display