Registration Dossier
Registration Dossier
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EC number: 201-831-3 | CAS number: 88-44-8
Phototransformation in air
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)
Data source
Reference
- Title:
- No information
- Author:
- Aopwin v.1.92a
- Year:
- 2 009
Materials and methods
- Principles of method if other than guideline:
- Method: other (calculated): AopWin v.1.92a
- GLP compliance:
- no
Study design
- Light source:
- sunlight
- Details on test conditions:
- Sensitiser (for indirect photolysis): OH
Sensitiser concentration: 1500000 molecule/cm³
Results and discussion
Any other information on results incl. tables
HYDROXYL RADICALS
Hydrogen abstraction =0.1360 x 10^-12
cm3/molecules-sec
Reaction with N, S and -OH =0.1400 x 10^-12
cm3/molecules-sec
Addition to aromatic Ring* =28.2124x 10^-12 cm3/molecules-sec
------------------------------------------------------------
-TOTAL OH Rate Constant = 28.4884x10^-12 cm3/molecules-sec
*designates estimation using assumed value
half life = 4.505hr = 0.375 day
(12 hrs/day; concentration of senziter: 1.5x10^6 OH/cm3)
Rate constant (for indirect photolysis): 0.0000000000284884 cm³/(molecule*sec)
Degradation in % (for indirect photolysis): 50 after 0.4 day(s)
Applicant's summary and conclusion
- Conclusions:
- Fairly rapid photodegradation.
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