Registration Dossier
Registration Dossier
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EC number: 278-355-8 | CAS number: 75980-60-8
Phototransformation in air
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
Data source
Reference
- Reference Type:
- other: EPIWIN calculation
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
Materials and methods
- Principles of method if other than guideline:
- calculated using SRC AOP v1.92
- GLP compliance:
- no
Test material
- Reference substance name:
- Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
- EC Number:
- 278-355-8
- EC Name:
- Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
- Cas Number:
- 75980-60-8
- Molecular formula:
- C22H21O2P
- IUPAC Name:
- (mesitylcarbonyl)(diphenyl)phosphine oxide
- Details on test material:
- - Name of test material (as cited in study report): Diphenyl(2,4,6-trimethylbezoyl-phosphine oxide
Constituent 1
Study design
- Estimation method (if used):
- PHOTOCHEMICAL REACTION WITH OH RADICALS
- Concentration of OH radicals: 500000
- Degradation rate constant: 0.00000000003593 cm³/molecule-sec
- Temperature for which rate constant was calculated: 25 °C
- Computer programme: SRC AOP v1.92 21 Aug 2008
- Calculated t 1/2 is based on a 24 h day
Results and discussion
Dissipation half-life of parent compound
- DT50:
- 10.72 h
Applicant's summary and conclusion
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