Registration Dossier
Registration Dossier
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EC number: 201-058-1 | CAS number: 77-78-1
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)
- Rationale for reliability incl. deficiencies:
- other: Scientifically acceptable method
Data source
Reference
- Reference Type:
- other: EPIWIN calculation
- Title:
- Unnamed
- Year:
- 2 005
Materials and methods
Test guideline
- Qualifier:
- no guideline required
- Principles of method if other than guideline:
- AOPWIN calculation
- GLP compliance:
- no
Test material
- Reference substance name:
- Dimethyl sulphate
- EC Number:
- 201-058-1
- EC Name:
- Dimethyl sulphate
- Cas Number:
- 77-78-1
- Molecular formula:
- C2H6O4S
- IUPAC Name:
- dimethyl sulfate
- Details on test material:
- - Name of test material (as cited in study report): Dimethyl sulphate
Constituent 1
Study design
- Estimation method (if used):
- PHOTOCHEMICAL REACTION WITH OH RADICALS
- Concentration of OH radicals: 1500000 molecule/cm³
- Degradation rate constant: 0.0000000000001904 cm³/(molecule*sec)
- Temperature for which rate constant was calculated: 25°C
- Computer programme: SRC AOP v1.91
- Other: calculation based on a 12 hour day - Details on test conditions:
- Sensitiser (for indirect photolysis): OH
Sensitiser concentration:
Results and discussion
Dissipation half-life of parent compound
- DT50:
- 56.2 d
Any other information on results incl. tables
12 h day illumination
Applicant's summary and conclusion
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