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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:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Accepted calculation method

Data source

Referenceopen allclose all

Reference Type:
other: EPI suite calculation
Title:
Unnamed
Year:
2010
Report Date:
2010
Reference Type:
secondary source
Title:
1,3-Dichlorobut-1-ene - CAS No: 926-57-8
Author:
OECD SIDS
Year:
2007
Bibliographic source:
SIDS Initial Assessment Report for 22th SIAM, UNEP Publications

Materials and methods

Principles of method if other than guideline:
other: Calculation with AopWin Progam (v1.92), part of EpiSuite
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): 2-Butene, 1,3-dichloro-
- SMILES: C(=CCCL) (C)CL
- MOL FOR: C4 H6 Cl2
- MOL WT: 125.00

Study design

Estimation method (if used):
PHOTOCHEMICAL REACTION WITH OH RADICALS
- Calculation program: SRC AOPWIN v1.92
- Calculation based on a 24-hour day
- Concentration of OH radicals: 500000 OH/cm³
- OVERALL OH rate constant: 14.3602 E-12 cm³/mol-sec
- Temperature for which rate constant was calculated: 25 °C
Details on test conditions:
Sensitiser (for indirect photolysis): OH
Sensitiser concentration: 500000 molecule/cm³

Results and discussion

Dissipation half-life of parent compound
DT50:
26.8 h
Test condition:
OH reaction, 25 °C, 24 h day, 0.5E6 OH/cm³

Applicant's summary and conclusion