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Environmental fate & pathways

Phototransformation in air

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Administrative data

Endpoint:
phototransformation in air
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Scientifically acceptable method

Data source

Reference
Reference Type:
other: model calculation report
Title:
Unnamed
Year:
2012
Report Date:
2012

Materials and methods

Principles of method if other than guideline:
Calculation using SRC AOP v1.92
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): 2-Butenoic acid, 4-[(2-ethylhexyl)amino]-4-oxo-, (Z)-, compd. with 2,2,2-nitrilotris[ethanol] (1:1)
- Analytical purity: pure substance

Study design

Estimation method (if used):
PHOTOCHEMICAL REACTION WITH OH RADICALS
- Concentration of OH radicals: 500000 molecules/cm3
- Degradation rate constant: 70.72E-12 cm3/molecules*s (Cis-isomer)
- Degradation rate constant: 71.65E-12 cm3/molecules*s (Trans-isomer)
- Computer programme: SRC AOP v1.92
- Other: assuming a 24-hour day

Results and discussion

Dissipation half-life of parent compoundopen allclose all
DT50:
5.45 h
Test condition:
Cis-isomer
DT50:
5.37 h
Test condition:
Trans-isomer

Applicant's summary and conclusion